"Pseudo-MPEC" for SOLRAD 11A = 1976-023C = NORAD 08748 = WB31C9F = XC83E0D
Created 2020 Jan 6 18:02:28 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
TLEs (Two-Line Elements) are available for this satellite and for various other artsats listed on these pages.
This is the 'current' orbital solution for this object, based on the most recent available observations. The original version of this page has some history and discussion of how this object was identified.
Astrometry:
6N070E7 C2006 07 09.45497 23 20 27.70 -06 54 09.5 x16.6 Vr 703
6N070E7 C2006 07 09.45528 23 20 31.77 -06 53 55.0 x16.5 Vr 703
6N070E7 C2006 07 09.45552 23 20 34.94 -06 53 43.5 x16.4 Vr 703
6N070E7 C2006 07 09.45576 23 20 38.29 -06 53 32.2 x16.5 Vr 703
6N070E8 C2006 07 09.45629 23 20 45.42 -06 53 06.2 x16.5 Vr 703
6N070E8 C2006 07 09.45653 23 20 48.62 -06 52 54.9 x16.5 Vr 703
6N070E8 C2006 07 09.45676 23 20 51.79 -06 52 43.5 x16.4 Vr 703
6N070E8 C2006 07 09.45700 23 20 54.92 -06 52 32.1 x16.4 Vr 703
1976-023C C2015 01 17.44953 09 44 01.41 +24 19 10.1 x15.1 V D0541703
1976-023C C2015 01 17.44980 09 44 05.04 +24 18 37.9 x15.1 V D0541703
1976-023C C2015 01 17.45007 09 44 08.79 +24 18 04.6 x15.1 V D0541703
1976-023C C2015 01 17.45034 09 44 12.39 +24 17 32.6 x15.1 V D0541703
1976-023C C2015 01 17.46751 09 48 08.67 +23 42 04.7 x15.2 V D0541703
1976-023C C2015 01 17.46778 09 48 12.57 +23 41 29.0 x15.7 V D0541703
1976-023C C2015 01 17.46805 09 48 16.06 +23 40 57.3 x15.2 V D0541703
1976-023C C2015 01 17.46832 09 48 19.76 +23 40 23.6 x15.2 V D0541703
1976-023C C2015 01 17.48899 09 53 04.78 +22 56 27.6 x15.3 V D0541703
1976-023C C2015 01 17.48926 09 53 08.50 +22 55 52.7 x15.2 V D0541703
1976-023C C2015 01 17.48953 09 53 11.78 +22 55 21.6 x16.1 V D0541703
1976-023C C2015 01 17.48980 09 53 15.91 +22 54 43.3 x15.3 V D0541703
1976-023C C2016 02 08.46940 12 02 46.88 -01 16 52.6 21.0 V D0541G96
1976-023C C2016 02 08.47597 12 03 56.88 -01 33 39.5 D0541G96
1976-023C C2016 02 08.48911 12 06 17.76 -02 07 07.8 D0541G96
1976-023C C2016 02 08.51641 12 11 14.59 -03 16 18.8 D0541G96
1976-023C C2016 02 08.51677 12 11 18.47 -03 17 12.7 19.6 V D0541G96
1976-023C C2016 02 08.51713 12 11 22.32 -03 18 05.4 D0541G96
1976-023C C2016 02 08.51749 12 11 26.38 -03 19 01.4 D0541G96
1976-023C C2016 02 08.54055 12 15 42.88 -04 16 51.9 21.3 V D0541G96
1976-023C C2016 02 08.54088 12 15 46.47 -04 17 39.5 D0541G96
1976-023C C2016 02 08.54153 12 15 53.67 -04 19 15.3 D0541G96
1976-023C KC2016 02 11.75968403 12 55.10 +26 07 22.5 17.8 RqD0541J95
1976-023C KC2016 02 11.76275503 13 41.06 +26 12 43.9 17.9 RqD0541J95
1976-023C KC2016 02 11.77222903 16 03.40 +26 29 03.0 18.1 RqD0541J95
1976-023C KC2016 02 11.78175503 18 27.54 +26 45 06.3 17.4 RqD0541J95
1976-023C KC2016 02 11.78463503 19 11.30 +26 49 53.6 17.6 RqD0541J95
1976-023C C2016 12 24.06292208 55 14.675+24 42 54.60 16.3 GU 598
1976-023C C2016 12 24.06807308 56 26.930+24 33 26.33 16.2 GU 598
1976-023C C2016 12 24.07496408 58 03.067+24 20 38.04 16.1 GU 598
1976-023C C2016 12 24.08094208 59 26.302+24 09 22.25 16.0 GU 598
1976-023C tC2016 12 29.27187 09 26 26.23 +23 41 10.5 15.7 RqD0553Y00
1976-023C tC2016 12 29.27351 09 26 46.43 +23 37 39.8 15.9 RqD0553Y00
1976-023C tC2016 12 29.27520 09 27 07.27 +23 34 01.5 16.0 RqD0553Y00
1976-023C tC2017 08 02.26217 20 44 20.95 -23 34 25.9 16.1 RqD0557Y00
1976-023C tC2017 08 02.26322 20 44 36.15 -23 32 06.6 15.9 RqD0557Y00
1976-023C tC2017 08 02.26424 20 44 50.81 -23 29 50.2 15.8 RqD0557Y00
1976-023C tC2018 07 14.20258 21 34 59.09 -14 41 11.5 14.3 Rq Y00
1976-023C tC2018 07 14.20374 21 35 12.65 -14 38 32.3 14.6 Rq Y00
1976-023C tC2018 07 14.20469 21 35 23.75 -14 36 22.0 14.6 Rq Y00
ZTF09mx* C2020 01 06.30406307 39 47.32 +22 10 28.6 ~16Ht 16.24RUNEOCPI41
ZTF09mx C2020 01 06.30441007 39 52.16 +22 09 56.8 ~16Ht 16.24RUNEOCPI41
ZTF09mx C2020 01 06.31254607 41 45.92 +21 57 48.1 ~16Ht 16.16RUNEOCPI41
ZTF09mx C2020 01 06.31289307 41 50.68 +21 57 17.1 ~16Ht 16.16RUNEOCPI41
ZTF09mx C2020 01 06.32204907 43 58.41 +21 43 12.3 ~16Ht 16.42RUNEOCPI41
ZTF09mx C2020 01 06.32239607 44 03.12 +21 42 40.5 ~16Ht 16.42RUNEOCPI41
ZTF09mv* C2020 01 06.36129607 52 56.45 +20 39 43.2 ~16Ht 15.93RUNEOCPI41
ZTF09mv C2020 01 06.36164307 53 01.17 +20 39 07.8 ~16Ht 15.93RUNEOCPI41
ZTF09mv C2020 01 06.36269707 53 15.56 +20 37 19.7 ~16Ht 15.86RUNEOCPI41
ZTF09mv C2020 01 06.36304407 53 20.23 +20 36 45.2 ~16Ht 15.86RUNEOCPI41
ZTF09mv C2020 01 06.37586807 56 13.74 +20 14 49.7 ~16Ht 15.94RUNEOCPI41
ZTF09mv C2020 01 06.37621507 56 18.47 +20 14 13.9 ~16Ht 15.94RUNEOCPI41
ZTF09mv C2020 01 06.38004607 57 10.26 +20 07 34.3 ~16Ht 15.89RUNEOCPI41
ZTF09mv C2020 01 06.38039307 57 14.93 +20 06 57.7 ~16Ht 15.89RUNEOCPI41
ZTF09mv C2020 01 06.38299807 57 50.16 +20 02 23.8 ~16Ht 15.96RUNEOCPI41
ZTF09mv C2020 01 06.38334507 57 54.76 +20 01 47.6 ~16Ht 15.96RUNEOCPI41
ZTF09mv C2020 01 06.38589107 58 28.83 +19 57 22.2 ~16Ht 15.85RUNEOCPI41
ZTF09mv C2020 01 06.38623807 58 33.53 +19 56 44.8 ~16Ht 15.85RUNEOCPI41
ZTF09mv C2020 01 06.39423608 00 21.45 +19 42 30.6 ~16Ht 15.80RUNEOCPI41
ZTF09mv C2020 01 06.39458308 00 26.05 +19 41 53.4 ~16Ht 15.80RUNEOCPI41
ZTF09mv C2020 01 06.41226808 04 23.68 +19 09 51.3 ~16Ht 15.65RUNEOCPI41
ZTF09mv C2020 01 06.41261608 04 28.33 +19 09 12.9 ~16Ht 15.65RUNEOCPI41
Station data:
(598) Loiano (N44.259208 E11.334090) Italy. Observers A. Buzzoni, R.
Gualandi, F. Matassoni. Measurers M. Micheli, A. Buzzoni, C. Colombo, P.
Di Lizia. 1.52-m f/8 Ritchey-Chrétien + CCD.
(703) Catalina Sky Survey (N32.417006 W110.732640) US/Arizona. Observers
T. A. Pruyne, B. M. Africano, E. C. Beshore, A. Boattini, E. J.
Christensen, G. A. Farneth, D. C. Fuls, G. J. Garradd, A. R. Gibbs, A. D.
Grauer, H. Gröller, R. E. Hill, J. A. Johnson, R. A. Kowalski, S. M.
Larson, G. J. Leonard, R. G. Matheny, R. H. McNaught, D. Rankin, R. L.
Seaman, F. C. Shelly. Measurer y. 0.68 m Schmidt + 4K CCD + 10K CCD.
(G96) Mt. Lemmon Survey (N32.442754 W110.788720) US/Arizona. Observers T.
A. Pruyne, B. M. Africano, E. C. Beshore, A. Boattini, E. J. Christensen,
G. A. Farneth, D. C. Fuls, G. J. Garradd, A. R. Gibbs, A. D. Grauer, H.
Gröller, R. E. Hill, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J.
Leonard, R. G. Matheny, R. H. McNaught, D. Rankin, R. L. Seaman, F. C.
Shelly. Measurer y. 1.5-m reflector + 4K CCD + 10K CCD.
(I41) Palomar Mountain--ZTF (N33.357340 W116.859780) US/California. 1.2-m
f/2.44 Oschin Schmidt + CCD.
(J95) Great Shefford (N51.474969 W1.447003) UK. Observer P. Birtwhistle.
0.40-m f/6.0 Schmidt-Cassegrain + CCD.
(Y00) SONEAR Observatory, Oliveira (S20.715082 W44.784960) Brazil.
Observers C. Jacques, E. Pimentel, J. Barros. Measurer C. Jacques. 0.28-m
f/2.2 astrograph + CCD.
Orbital elements: SOLRAD 11A = 1976-023C = NORAD 08748 = WB31C9F = XC83E0D
Perigee 2018 Dec 29.623576 +/- 0.000259 TT = 14:57:57 (JD 2458482.123576)
A1: 1.4e-9 +/- 1.26e-10 A2: 1.18e-9 +/- 1.48e-11 AU/day^2
Epoch 2019 Jan 1.0 TT = JDT 2458484.5 Gray
M 168.4743589014 +/- 0.018 (J2000 equator)
n 70.8940740771 +/- 9.44e-6 Peri. 18.4236065 +/- 0.017
a124794.91312 +/- 0.0111 Node 345.0673651 +/- 0.00021
e 0.009597680 +/- 5.79e-6 Incl. 32.5526883 +/- 0.000055
P7312.18m/5.078d H 31.2 G 0.15 U 5.0
q 123597.17143 +/- 0.73 Q 125992.65481 +/- 0.715
50 of 70 observations 2016 Feb. 8-2020 Jan. 6; mean residual 3".023
Residuals in arcseconds: 060709 703(5776+ 1094+) 160208 G96 2.69- 1.76+ 200106 I41 1.04+ .520- 060709 703(5774+ 1094+) 160208 G96 4.31- 3.52+ 200106 I41 .509+ 1.39- 060709 703(5773+ 1094+) 160208 G96 2.82- 1.97+ 200106 I41 2.72- 2.58+ 060709 703(5775+ 1094+) 160208 G96 2.23- 1.75+ 200106 I41 3.92- 3.15+ 060709 703(5775+ 1095+) 160208 G96 4.07- 3.55+ 200106 I41 .310+ .695+ 060709 703(5775+ 1094+) 160208 G96 5.82- 5.01+ 200106 I41 1.13- 1.17+ 060709 703(5776+ 1095+) 160211 J95 .088- .085- 200106 I41 .970- 1.12+ 060709 703(5774+ 1095+) 160211 J95 .199- .248- 200106 I41 .841- .793+ 150117 703(43.3- 20.5+) 160211 J95 .531- .435+ 200106 I41 .353+ .639- 150117 703(44.4- 21.3+) 160211 J95 .779+ .672+ 200106 I41 .183- .027+ 150117 703(43.9- 21.0+) 160211 J95 1.12+ .983+ 200106 I41 1.23- .369+ 150117 703(45.4- 22.0+) 161224 598 1.53- .336- 200106 I41 .621- .607+ 150117 703(43.9- 21.3+) 161224 598 .448- .809- 200106 I41 .466+ .381+ 150117 703(41.3- 19.5+) 161224 598 1.21- .507- 200106 I41 .307+ .090+ 150117 703(44.4- 21.7+) 161224 598 .208+ 1.31- 200106 I41 1.72+ .526- 150117 703(44.7- 22.0+) 161229 Y00 9.62+ 7.06- 200106 I41 .620+ .229- 150117 703(43.5- 21.5+) 161229 Y00 10.8+ 7.00- 200106 I41 2.76- 2.83+ 150117 703(43.7- 21.6+) 161229 Y00 12.5+ 7.53- 200106 I41 2.40- 2.11+ 150117 703(49.9- 25.4+) 170802 Y00 5.04- 3.56- 200106 I41 1.33+ .673- 150117 703(44.4- 22.0+) 170802 Y00 4.98- 3.80- 200106 I41 .385+ .676- 160208 G96 .572+ .629- 170802 Y00 6.51- 3.11- 200106 I41 .565+ .359+ 160208 G96 .869- .282- 180714 Y00 1.17+ .194- 200106 I41 .242+ .328+ 160208 G96 1.56- 1.39+ 180714 Y00 1.26+ .652+ 160208 G96 1.53- 1.20+ 180714 Y00 1.34+ 1.12+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- -------------- ----------- ----- ------ ----- --- -------- 2020 01 06 00 06 03 44.618 +28 37 57.20 124198 .98405 165.1 16.5 51.7 100 2020 01 06 02 06 30 10.433 +27 24 13.21 124324 .98407 170.8 16.3 51.7 103 2020 01 06 04 06 55 53.910 +25 52 27.93 124456 .98408 176.1 16.1 51.6 106 2020 01 06 06 07 20 51.213 +24 04 25.42 124592 .98408 176.2 16.1 51.5 109 2020 01 06 08 07 45 01.076 +22 01 56.23 124731 .98407 170.9 16.3 51.4 111 2020 01 06 10 08 08 24.462 +19 46 52.68 124870 .98405 165.3 16.6 51.3 113 2020 01 06 12 08 31 04.136 +17 21 05.39 125009 .98403 159.5 16.7 51.1 115 2020 01 06 14 08 53 04.221 +14 46 21.02 125146 .98400 153.7 16.9 51.0 117 2020 01 06 16 09 14 29.816 +12 04 21.06 125278 .98396 148.0 17.1 50.9 118 2020 01 06 18 09 35 26.675 +09 16 41.49 125405 .98391 142.2 17.3 50.7 119 2020 01 06 20 09 56 00.961 +06 24 53.05 125525 .98386 136.5 17.4 50.6 120 2020 01 06 22 10 16 19.075 +03 30 21.97 125636 .98380 130.7 17.6 50.4 120 2020 01 07 00 10 36 27.535 +00 34 30.97 125739 .98373 125.0 17.7 50.3 120 2020 01 07 02 10 56 32.888 -02 21 19.61 125830 .98366 119.3 17.9 50.1 120 2020 01 07 04 11 16 41.655 -05 15 50.58 125911 .98359 113.6 18.1 50.0 120 2020 01 07 06 11 37 00.270 -08 07 42.60 125979 .98351 107.9 18.3 49.9 119 2020 01 07 08 11 57 35.016 -10 55 35.10 126035 .98343 102.2 18.5 49.7 118 2020 01 07 10 12 18 31.935 -13 38 05.14 126077 .98335 96.5 18.7 49.6 117 2020 01 07 12 12 39 56.702 -16 13 46.61 126106 .98327 90.8 18.9 49.5 116 2020 01 07 14 13 01 54.442 -18 41 09.72 126121 .98319 85.1 19.1 49.4 114 2020 01 07 16 13 24 29.493 -20 58 40.91 126123 .98310 79.4 19.4 49.3 112 2020 01 07 18 13 47 45.115 -23 04 43.45 126112 .98302 73.7 19.7 49.2 110 2020 01 07 20 14 11 43.136 -24 57 38.76 126088 .98295 68.0 20.0 49.2 108 2020 01 07 22 14 36 23.602 -26 35 48.73 126051 .98287 62.3 20.4 49.1 105 2020 01 08 00 15 01 44.457 -27 57 38.96 126003 .98280 56.6 20?? 49.1 102 2020 01 08 02 15 27 41.334 -29 01 42.92 125943 .98273 50.9 21?? 49.0 99 2020 01 08 04 15 54 07.548 -29 46 46.67 125874 .98267 45.1 22?? 49.0 96 2020 01 08 06 16 20 54.345 -30 11 53.59 125795 .98262 39.4 22?? 49.0 92 2020 01 08 08 16 47 51.434 -30 16 28.55 125708 .98257 33.7 23?? 49.0 89 2020 01 08 10 17 14 47.760 -30 00 20.61 125614 .98253 28.0 24?? 49.0 86 2020 01 08 12 17 41 32.393 -29 23 44.00 125514 .98250 22.2 26?? 49.1 82 2020 01 08 14 18 07 55.412 -28 27 16.98 125409 .98247 16.5 28?? 49.1 79 2020 01 08 16 18 33 48.620 -27 11 58.97 125301 .98245 10.8 31?? 49.2 76 2020 01 08 18 18 59 05.995 -25 39 06.43 125189 .98244 5.2 41?? 49.2 73 2020 01 08 20 19 23 43.876 -23 50 08.23 125077 .98244 2.2 59?? 49.3 71 2020 01 08 22 19 47 40.887 -21 46 41.10 124964 .98245 7.1 36?? 49.4 68 2020 01 09 00 20 10 57.696 -19 30 25.74 124851 .98247 12.8 30?? 49.5 66 2020 01 09 02 20 33 36.683 -17 03 03.80 124740 .98249 18.5 27?? 49.6 65 2020 01 09 04 20 55 41.576 -14 26 15.78 124632 .98253 24.4 25?? 49.7 63 2020 01 09 06 21 17 17.122 -11 41 39.83 124527 .98257 30.2 24?? 49.9 62 2020 01 09 08 21 38 28.801 -08 50 51.27 124425 .98262 36.0 23?? 50.0 61 2020 01 09 10 21 59 22.605 -05 55 22.73 124329 .98267 41.9 22?? 50.1 60 2020 01 09 12 22 20 04.865 -02 56 44.64 124238 .98274 47.8 21?? 50.3 60 2020 01 09 14 22 40 42.130 +00 03 33.94 124154 .98281 53.6 21?? 50.4 60 2020 01 09 16 23 01 21.068 +03 04 04.27 124076 .98288 59.5 20?? 50.6 60 2020 01 09 18 23 22 08.391 +06 03 16.88 124005 .98296 65.4 20.2 50.7 60 2020 01 09 20 23 43 10.767 +08 59 40.44 123941 .98304 71.3 19.8 50.9 61 2020 01 09 22 00 04 34.723 +11 51 40.69 123885 .98312 77.2 19.5 51.0 62 2020 01 10 00 00 26 26.495 +14 37 39.63 123838 .98321 83.1 19.2 51.2 63 2020 01 10 02 00 48 51.841 +17 15 54.90 123800 .98330 89.0 18.9 51.3 65 2020 01 10 04 01 11 55.774 +19 44 39.74 123770 .98339 94.9 18.7 51.4 67 2020 01 10 06 01 35 42.223 +22 02 03.55 123750 .98347 100.9 18.5 51.6 69 2020 01 10 08 02 00 13.634 +24 06 13.36 123740 .98356 106.8 18.3 51.7 71 2020 01 10 10 02 25 30.530 +25 55 16.42 123739 .98364 112.7 18.1 51.8 74 2020 01 10 12 02 51 31.101 +27 27 23.94 123749 .98372 118.6 17.9 51.9 77 2020 01 10 14 03 18 10.908 +28 40 55.96 123770 .98380 124.6 17.7 52.0 80 2020 01 10 16 03 45 22.801 +29 34 27.02 123801 .98387 130.5 17.6 52.1 83 2020 01 10 18 04 12 57.160 +30 06 51.91 123843 .98393 136.4 17.4 52.1 87 2020 01 10 20 04 40 42.468 +30 17 30.73 123897 .98399 142.3 17.2 52.2 90 2020 01 10 22 05 08 26.213 +30 06 12.28 123962 .98404 148.2 17.1 52.2 94 2020 01 11 00 05 35 55.950 +29 33 15.13 124038 .98409 154.1 16.9 52.2 97 2020 01 11 02 06 03 00.351 +28 39 26.05 124125 .98412 160.0 16.7 52.2 100 2020 01 11 04 06 29 30.067 +27 25 56.29 124224 .98415 165.8 16.5 52.2 103 2020 01 11 06 06 55 18.255 +25 54 16.23 124333 .98417 171.7 16.3 52.1 106 2020 01 11 08 07 20 20.769 +24 06 09.46 124453 .98418 177.2 18.1 52.0 109 2020 01 11 10 07 44 36.047 +22 03 27.12 124581 .98419 176.2 16.1 51.9 111 2020 01 11 12 08 08 04.785 +19 48 03.03 124717 .98418 170.5 16.4 51.8 113 2020 01 11 14 08 30 49.525 +17 21 49.98 124860 .98417 164.7 16.6 51.7 115 2020 01 11 16 08 52 54.220 +14 46 37.19 125008 .98415 158.9 16.8 51.5 117 2020 01 11 18 09 14 23.836 +12 04 08.86 125159 .98412 153.1 16.9 51.4 118 2020 01 11 20 09 35 24.032 +09 16 03.56 125310 .98408 147.4 17.1 51.2 119 2020 01 11 22 09 56 00.900 +06 23 54.36 125460 .98403 141.6 17.3 51.0 120 2020 01 12 00 10 16 20.792 +03 29 09.36 125607 .98398 135.8 17.4 50.8 120 2020 01 12 02 10 36 30.181 +00 33 12.61 125747 .98392 130.1 17.6 50.6 120 2020 01 12 04 10 56 35.579 -02 22 34.81 125879 .98386 124.4 17.8 50.4 120 2020 01 12 06 11 16 43.468 -05 16 53.58 126000 .98379 118.7 17.9 50.2 120 2020 01 12 08 11 37 00.241 -08 08 24.90 126109 .98372 112.9 18.1 50.0 119 2020 01 12 10 11 57 32.139 -10 55 49.29 126204 .98365 107.3 18.3 49.9 118 2020 01 12 12 12 18 25.160 -13 37 45.52 126284 .98357 101.6 18.5 49.7 117 2020 01 12 14 12 39 44.940 -16 12 49.72 126347 .98349 95.9 18.7 49.6 116