"Pseudo-MPEC" for 1999-066A = XMM-Newton = NORAD 25989 = S509474 = S509433
Created 2016 Jul 18 15:36:30 UT using Find_Orb
You'll notice that the residuals are terrible. This is an active satellite, maneuvering a bit at each perigee. The model of an inert object pulled around only by gravity is not a particularly good fit to what this object is actually doing!
Astrometry:
1999-066A tC2016 04 18.20678 16 27 32.87 -59 52 05.9 x12.3 R D0544Y00
1999-066A tC2016 04 18.20769 16 27 45.41 -59 55 11.5 x12.2 R D0544Y00
1999-066A tC2016 04 18.20866 16 27 59.12 -59 58 32.1 x12.2 R D0544Y00
1999-066A tC2016 04 24.24720 16 39 19.61 -62 29 46.0 x14.6 R D0544Y00
1999-066A tC2016 04 24.24873 16 39 39.66 -62 33 16.3 x14.8 R D0544Y00
1999-066A tC2016 04 24.25035 16 40 01.32 -62 36 55.7 x14.7 R D0544Y00
1999-066A C2016 04 24.26401 16 43 02.26 -63 06 04.7 x14.4 R D0544Y00
1999-066A C2016 04 24.26460 16 43 09.92 -63 07 14.8 x14.7 R D0544Y00
1999-066A C2016 04 24.26493 16 43 14.41 -63 07 55.1 x14.8 R D0544Y00
1999-066A tC2016 04 24.26534 16 43 19.74 -63 08 44.0 x15.1 R D0544Y00
1999-066A C2016 04 24.26575 16 43 25.13 -63 09 33.3 x14.6 R D0544Y00
1999-066A C2016 04 24.26600 16 43 28.43 -63 10 02.4 x14.5 R D0544Y00
1999-066A C2016 04 24.26665 16 43 36.91 -63 11 19.1 x14.7 R D0544Y00
1999-066A tC2016 04 24.26703 16 43 42.05 -63 12 04.8 x15.1 R D0544Y00
1999-066A C2016 04 24.26734 16 43 46.19 -63 12 42.3 x14.7 R D0544Y00
1999-066A C2016 04 24.26760 16 43 49.60 -63 13 12.7 x14.7 R D0544Y00
1999-066A C2016 04 24.26832 16 43 59.20 -63 14 37.4 x14.8 R D0544Y00
1999-066A tC2016 04 24.26867 16 44 03.83 -63 15 19.6 x15.1 R D0544Y00
1999-066A tC2016 04 24.26904 16 44 08.67 -63 16 01.4 x15.1 R D0544Y00
1999-066A tC2016 04 24.27006 16 44 22.27 -63 17 59.6 x15.0 R D0544Y00
1999-066A tC2016 04 24.27113 16 44 36.59 -63 20 04.7 x15.2 R D0544Y00
1999-066A C2016 05 02.29996 16 54 56.80 -64 44 41.9 x12.8 R D0544Y00
1999-066A C2016 05 02.30147 16 55 18.12 -64 46 33.0 x12.8 R D0544Y00
1999-066A C2016 05 02.30305 16 55 40.49 -64 48 27.2 x12.9 R D0544Y00
1999-066A C2016 05 04.17026 16 26 33.58 -60 20 21.8 x13.0 R D0544Y00
1999-066A C2016 05 04.17138 16 26 48.98 -60 23 59.6 x12.8 R D0544Y00
1999-066A C2016 05 04.17221 16 27 00.20 -60 26 37.7 x12.9 R D0544Y00
1999-066A C2016 05 04.21487 16 36 28.93 -62 24 06.0 x13.0 R D0544Y00
1999-066A tC2016 05 04.21515 16 36 32.44 -62 24 44.1 x13.3 R D0544Y00
1999-066A C2016 05 04.21542 16 36 36.27 -62 25 24.6 x13.2 R D0544Y00
1999-066A C2016 05 04.21592 16 36 42.76 -62 26 34.0 x13.1 R D0544Y00
1999-066A tC2016 05 04.21621 16 36 46.41 -62 27 12.7 x13.4 R D0544Y00
1999-066A C2016 05 04.21648 16 36 50.09 -62 27 51.9 x13.2 R D0544Y00
1999-066A C2016 05 04.21699 16 36 56.76 -62 29 02.2 x13.1 R D0544Y00
1999-066A tC2016 05 04.21726 16 37 00.38 -62 29 40.6 x13.3 R D0544Y00
1999-066A C2016 05 04.21754 16 37 04.07 -62 30 19.1 x13.1 R D0544Y00
1999-066A tC2016 05 04.22162 16 37 57.84 -62 39 35.2 x13.3 R D0544Y00
1999-066A tC2016 05 04.22303 16 38 16.41 -62 42 44.2 x13.3 R D0544Y00
1999-066A tC2016 05 04.22447 16 38 35.35 -62 45 53.9 x13.2 R D0544Y00
1999-066A C2016 05 04.29531 16 54 32.78 -64 44 43.4 x13.9 R D0544Y00
1999-066A C2016 05 04.29628 16 54 46.31 -64 45 53.0 x13.9 R D0544Y00
1999-066A C2016 05 04.29754 16 55 04.10 -64 47 23.7 x13.7 R D0544Y00
1999-066A tC2016 05 06.21423 16 37 28.82 -62 35 07.2 x13.0 R D0544Y00
1999-066A tC2016 05 06.21537 16 37 43.82 -62 37 42.1 x13.0 R D0544Y00
1999-066A tC2016 05 06.21680 16 38 02.50 -62 40 53.0 x13.1 R D0544Y00
1999-066A C2016 05 20.11717 16 22 53.56 -59 59 03.1 x13.5 R D0546Y00
1999-066A C2016 05 20.11774 16 23 01.12 -60 00 56.5 x13.6 R D0546Y00
1999-066A C2016 05 20.11826 16 23 08.38 -60 02 42.7 x13.0 R D0546Y00
1999-066A tC2016 05 22.13041 16 27 15.36 -61 00 23.5 x14.3 R D0546Y00
1999-066A tC2016 05 22.13141 16 27 28.88 -61 03 22.4 x14.2 R D0546Y00
1999-066A tC2016 05 22.13240 16 27 42.00 -61 06 15.1 x14.2 R D0546Y00
1999-066A tC2016 06 01.10395 16 26 25.48 -61 17 39.7 x12.5 R D0547Y00
1999-066A tC2016 06 01.10533 16 26 43.92 -61 21 38.3 x12.5 R D0547Y00
1999-066A tC2016 06 01.10625 16 26 56.17 -61 24 16.7 x12.4 R D0547Y00
1999-066A tC2016 06 05.12838 16 34 44.19 -62 53 55.1 x12.7 R D0547Y00
1999-066A tC2016 06 05.12965 16 35 00.63 -62 56 41.1 x12.6 R D0547Y00
1999-066A tC2016 06 05.13058 16 35 12.63 -62 58 42.6 x12.6 R D0547Y00
1999-066A tC2016 06 16.96430 16 02 14.49 -55 13 04.6 12.3 R D0549Y00
1999-066A tC2016 06 16.96524 16 02 30.05 -55 18 15.6 12.3 R D0549Y00
1999-066A tC2016 06 16.96665 16 02 53.30 -55 26 00.8 12.3 R D0549Y00
1999-066A tC2016 06 19.08562 16 32 35.68 -62 58 38.7 13.2 R D0549Y00
1999-066A tC2016 06 19.08652 16 32 47.39 -63 00 37.9 13.2 R D0549Y00
1999-066A tC2016 06 19.08742 16 32 59.19 -63 02 37.2 13.3 R D0549Y00
1999-066A tC2016 06 21.04908 16 25 54.65 -61 46 01.5 14.4 R D0549Y00
1999-066A tC2016 06 21.04997 16 26 06.45 -61 48 28.3 14.4 R D0549Y00
1999-066A tC2016 06 21.05096 16 26 19.81 -61 51 13.2 14.6 R D0549Y00
1999-066A C2016 06 21.15101 16 48 22.86 -65 02 33.2 14.3 R D0549Y00
1999-066A C2016 06 21.15204 16 48 36.90 -65 03 48.2 14.1 R D0549Y00
1999-066A C2016 06 21.15305 16 48 50.69 -65 05 01.4 14.2 R D0549Y00
1999-066A tC2016 06 22.90471 15 49 13.06 -50 50 42.1 12.5 R D0549Y00
1999-066A tC2016 06 22.90581 15 49 34.27 -50 59 05.0 12.5 R D0549Y00
1999-066A tC2016 06 22.90687 15 49 54.63 -51 07 06.0 12.4 R D0549Y00
1999-066A tC2016 06 26.34402 23 11 24.26 -56 10 32.4 12.6 R D0549Y00
1999-066A tC2016 06 26.34562 23 11 35.24 -56 05 49.5 12.6 R D0549Y00
1999-066A tC2016 06 26.34722 23 11 46.28 -56 01 03.4 12.6 R D0549Y00
1999-066A C2016 06 30.97056 16 12 36.82 -59 11 52.9 12.9 R D0549Y00
1999-066A C2016 06 30.97156 16 12 51.41 -59 15 47.5 13.0 R D0549Y00
1999-066A C2016 06 30.97265 16 13 07.29 -59 20 00.0 13.0 R D0549Y00
1999-066A C2016 06 30.98391 16 15 49.48 -60 01 53.3 13.4 R D0549Y00
1999-066A C2016 06 30.98484 16 16 02.69 -60 05 13.3 13.2 R D0549Y00
1999-066A C2016 06 30.98575 16 16 15.41 -60 08 23.6 13.5 R D0549Y00
1999-066A C2016 07 06.97730 16 17 22.10 -60 47 48.6 14.4 R D0549Y00
1999-066A C2016 07 06.97827 16 17 35.77 -60 50 59.9 14.3 R D0549Y00
1999-066A C2016 07 06.97979 16 17 57.08 -60 55 56.5 14.3 R D0549Y00
1999-066A tC2016 07 18.30332 23 09 03.73 -55 01 28.0 13.4 R Y00
1999-066A tC2016 07 18.30450 23 09 12.03 -54 57 30.9 13.2 R Y00
1999-066A tC2016 07 18.30515 23 09 16.64 -54 55 20.1 13.1 R Y00
Station data:
(Y00) SONEAR Observatory, Oliveira (S20.71513 W44.78496) Brazil. Observers
C. Jacques, E. Pimentel, J. Barros. Measurer C. Jacques. 0.28-m f/2.2
astrograph + CCD.
Orbital elements: 1999-066A = XMM-Newton = NORAD 25989 = S509474 = S509433
Perigee 2016 Jun 30.694406 +/- 0.000343 TT = 16:39:56 (JD 2457570.194406)
Epoch 2016 Jul 1.0 TT = JDT 2457570.5 Find_Orb
M 55.149872 +/- 0.06 (J2000 equatorial)
n 180.467715996 +/- 0.000855 Peri. 94.706869 +/- 0.018
a 66937.65465 +/- 0.211 Node 22.393908 +/- 0.008
e 0.82521382 +/- 6.13e-5 Incl. 67.671421 +/- 0.0032
P2872.48m/1.995d H 28.6 G 0.15 U 8.0
q 11699.77661 +/- 4.11 Q 122175.5326 +/- 3.97
30 of 87 observations 2016 June 16-July 18; mean residual 47".531
Residuals in arcseconds: 160418 Y00( 630- 589+) 160504 Y00( 520- 430+) 160616 Y00 65.6- 59.1+ 160418 Y00( 631- 589+) 160504 Y00( 520- 430+) 160616 Y00 66.0- 58.8+ 160418 Y00( 628- 585+) 160504 Y00( 521- 431+) 160619 Y00 38.5- 32.6+ 160424 Y00( 517- 427+) 160504 Y00( 520- 429+) 160619 Y00 38.6- 32.9+ 160424 Y00( 517- 423+) 160504 Y00( 519- 429+) 160619 Y00 38.0- 32.2+ 160424 Y00( 513- 420+) 160504 Y00( 519- 428+) 160621 Y00 18.4- 17.8+ 160424 Y00( 499- 397+) 160504 Y00( 518- 427+) 160621 Y00 18.7- 18.7+ 160424 Y00( 499- 397+) 160504 Y00( 514- 421+) 160621 Y00 17.4- 16.8+ 160424 Y00( 498- 396+) 160504 Y00( 513- 418+) 160621 Y00 11.0- 7.29+ 160424 Y00( 498- 396+) 160504 Y00( 512- 416+) 160621 Y00 11.7- 7.63+ 160424 Y00( 498- 395+) 160504 Y00( 451- 321+) 160621 Y00 12.4- 7.60+ 160424 Y00( 498- 396+) 160504 Y00( 452- 322+) 160622 Y00 1.03+ .664+ 160424 Y00( 499- 396+) 160504 Y00( 451- 321+) 160622 Y00 .399- 4.80+ 160424 Y00( 498- 395+) 160506 Y00( 518- 425+) 160622 Y00 1.72- 7.96+ 160424 Y00( 497- 393+) 160506 Y00( 516- 422+) 160626 Y00 67.3+ 64.4+ 160424 Y00( 497- 393+) 160506 Y00( 515- 420+) 160626 Y00 67.4+ 64.4+ 160424 Y00( 496- 392+) 160520 Y00( 541- 503+) 160626 Y00 67.7+ 64.9+ 160424 Y00( 496- 391+) 160520 Y00( 543- 504+) 160630 Y00 59.9+ 62.7- 160424 Y00( 496- 392+) 160520 Y00( 541- 502+) 160630 Y00 59.4+ 62.3- 160424 Y00( 495- 390+) 160522 Y00( 498- 441+) 160630 Y00 59.1+ 60.6- 160424 Y00( 493- 387+) 160522 Y00( 496- 437+) 160630 Y00 58.9+ 59.0- 160502 Y00( 450- 321+) 160522 Y00( 495- 437+) 160630 Y00 58.9+ 60.1- 160502 Y00( 450- 319+) 160601 Y00( 354- 312+) 160630 Y00 57.4+ 57.0- 160502 Y00( 449- 318+) 160601 Y00( 352- 309+) 160706 Y00 27.0+ 20.1- 160504 Y00( 568- 518+) 160601 Y00( 351- 307+) 160706 Y00 27.1+ 19.6- 160504 Y00( 566- 514+) 160605 Y00( 244- 198+) 160706 Y00 26.9+ 18.4- 160504 Y00( 566- 514+) 160605 Y00( 244- 198+) 160718 Y00 66.7- 74.7- 160504 Y00( 521- 432+) 160605 Y00( 244- 197+) 160718 Y00 66.7- 74.3- 160504 Y00( 522- 433+) 160616 Y00 65.3- 57.5+ 160718 Y00 66.6- 74.6- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -- -- -- ------------ ------------ ------ ------ ----- --- ---- --- 2016 07 18 15 11 07 40.156 +54 00 40.35 12103 1.0162 49.4 14?? 6641 140 2016 07 18 16 13 42 09.815 -10 23 47.12 23337 1.0162 91.2 12.7 1715 158 2016 07 18 17 14 22 15.675 -31 09 33.19 35429 1.0163 106.6 13.1 695 155 2016 07 18 18 14 49 29.991 -41 22 46.26 45930 1.0163 113.9 13.4 382 151 2016 07 18 19 15 11 53.348 -47 41 58.85 55107 1.0164 118.3 13.7 243 147 2016 07 18 20 15 31 47.642 -52 05 18.83 63231 1.0164 121.3 13.9 167 144 2016 07 18 21 15 50 14.042 -55 20 57.71 70492 1.0165 123.5 14.1 121 141 2016 07 18 22 16 07 44.305 -57 52 38.91 77024 1.0165 125.1 14.2 90 137 2016 07 18 23 16 24 36.742 -59 53 34.37 82923 1.0165 126.4 14.3 68 134 2016 07 19 00 16 41 02.550 -61 31 44.29 88262 1.0166 127.5 14.4 53 130 2016 07 19 01 16 57 08.750 -62 52 18.97 93096 1.0166 128.4 14.5 41 127 2016 07 19 02 17 12 59.712 -63 58 49.04 97470 1.0166 129.2 14.6 32 123 2016 07 19 03 17 28 38.031 -64 53 43.19 101418 1.0166 129.8 14.7 25 119 2016 07 19 04 17 44 05.069 -65 38 49.81 104968 1.0166 130.4 14.7 19 115 2016 07 19 05 17 59 21.316 -66 15 30.04 108143 1.0167 130.9 14.8 14 111 2016 07 19 06 18 14 26.651 -66 44 46.06 110964 1.0167 131.3 14.8 11 105 2016 07 19 07 18 29 20.541 -67 07 26.41 113445 1.0167 131.7 14.9 8.4 99 2016 07 19 08 18 44 02.196 -67 24 09.57 115599 1.0167 132.0 14.9 6.2 91 2016 07 19 09 18 58 30.695 -67 35 26.43 117438 1.0167 132.3 14.9 4.6 80 2016 07 19 10 19 12 45.089 -67 41 41.98 118970 1.0167 132.6 14.9 3.5 65 2016 07 19 11 19 26 44.487 -67 43 16.46 120202 1.0167 132.8 15.0 3.0 47 2016 07 19 12 19 40 28.110 -67 40 26.17 121139 1.0167 133.0 15.0 2.9 32 2016 07 19 13 19 53 55.348 -67 33 24.04 121786 1.0167 133.2 15.0 3.0 22 2016 07 19 14 20 07 05.788 -67 22 19.96 122146 1.0167 133.3 15.0 3.4 19 2016 07 19 15 20 19 59.232 -67 07 21.01 122219 1.0167 133.5 15.0 3.9 19 2016 07 19 16 20 32 35.710 -66 48 31.51 122006 1.0167 133.6 15.0 4.6 22 2016 07 19 17 20 44 55.482 -66 25 53.02 121507 1.0167 133.6 15.0 5.6 26 2016 07 19 18 20 56 59.034 -65 59 24.18 120719 1.0167 133.7 14.9 6.8 30 2016 07 19 19 21 08 47.074 -65 29 00.51 119638 1.0167 133.7 14.9 8.5 33 2016 07 19 20 21 20 20.527 -64 54 33.97 118261 1.0167 133.7 14.9 10 36 2016 07 19 21 21 31 40.536 -64 15 52.48 116580 1.0167 133.7 14.9 13 37 2016 07 19 22 21 42 48.462 -63 32 39.12 114589 1.0167 133.6 14.8 16 38 2016 07 19 23 21 53 45.901 -62 44 31.12 112277 1.0166 133.5 14.8 19 39 2016 07 20 00 22 04 34.701 -61 50 58.36 109632 1.0166 133.4 14.7 24 39 2016 07 20 01 22 15 17.012 -60 51 21.32 106641 1.0166 133.2 14.7 29 38 2016 07 20 02 22 25 55.343 -59 44 48.08 103285 1.0166 133.0 14.6 36 38 2016 07 20 03 22 36 32.668 -58 30 09.98 99545 1.0166 132.7 14.6 44 37 2016 07 20 04 22 47 12.578 -57 05 55.02 95394 1.0165 132.3 14.5 54 36 2016 07 20 05 22 57 59.523 -55 29 57.63 90801 1.0165 131.8 14.4 67 35 2016 07 20 06 23 08 59.194 -53 39 22.06 85728 1.0165 131.2 14.3 83 34 2016 07 20 07 23 20 19.160 -51 29 54.33 80124 1.0165 130.4 14.1 104 32 2016 07 20 08 23 32 09.983 -48 55 11.71 73928 1.0164 129.4 14.0 133 31 2016 07 20 09 23 44 47.311 -45 45 05.24 67056 1.0164 127.9 13.8 175 29 2016 07 20 10 23 58 36.204 -41 42 12.88 59395 1.0163 125.9 13.6 240 28 2016 07 20 11 00 14 21.316 -36 13 41.99 50788 1.0163 123.0 13.4 349 26 2016 07 20 12 00 33 36.105 -28 07 18.73 41008 1.0162 118.1 13.0 565 24 2016 07 20 13 01 00 39.238 -14 01 29.94 29751 1.0162 108.6 12.6 1119 22 2016 07 20 14 01 58 48.624 +20 14 24.59 17132 1.0161 83.4 12.4 3447 24 2016 07 20 15 12 01 57.041 +40 35 58.11 13026 1.0160 54.5 13?? 6048 150 2016 07 20 16 13 48 17.187 -14 28 22.94 25044 1.0161 92.1 12.9 1563 157