"Pseudo-MPEC" for P12r4oK
Created 2026 Oct 16 16:35:22 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12r4oK*0C2026 10 06.40033200 28 46.942+41 15 46.46 ~ADI5 22.35wXNEOCPF51
P12r4oK 0C2026 10 06.42312700 28 45.049+41 15 38.19 ~ADI5 22.59wXNEOCPF51
P12r4oK 0C2026 10 06.43464900 28 44.074+41 15 34.03 ~ADI5 22.72wXNEOCPF51
P12r4oK 0C2026 10 06.55534800 28 34.181+41 14 47.32 ~ADI5 21.72GVNEOCPF52
P12r4oK 0C2026 10 06.55615700 28 34.107+41 14 47.29 ~ADI5 21.75GVNEOCPF52
P12r4oK 1B2026 10 11.03559000 22 49.373+40 41 34.94 ~AGGZ 22.2 GZNEOCPR18
P12r4oK 1B2026 10 11.04213300 22 48.756+40 41 31.42 ~AGGZ 22.0 GZNEOCPR18
P12r4oK 1B2026 10 11.05445500 22 47.794+40 41 25.04 ~AGGZ 21.9 GZNEOCPR18
P12r4oK KB2026 10 11.97716100 21 39.300+40 33 14.83 ~ADI5 21.7 GZNEOCPY68
P12r4oK KB2026 10 11.98495700 21 38.738+40 33 10.80 ~ADI5 21.7 GZNEOCPY68
P12r4oK KB2026 10 12.00630700 21 37.118+40 32 59.35 ~ADI5 21.6 GZNEOCPY68
P12r4oK 1C2026 10 12.81354000 20 37.957+40 25 24.39 ~ADI5 21.6 GXNEOCP033
P12r4oK 1C2026 10 12.81730000 20 37.666+40 25 22.40 ~ADI5 21.5 GXNEOCP033
P12r4oK 1C2026 10 12.83232000 20 36.596+40 25 13.90 ~ADI5 21.4 GXNEOCP033
P12r4oK 2C2026 10 12.95753000 20 27.351+40 24 05.95 ~ADI5 21.8 GWNEOCPJ04
P12r4oK 2C2026 10 12.97297400 20 26.182+40 23 57.33 ~ADI5 21.8 GWNEOCPJ04
P12r4oK 2C2026 10 12.98839400 20 24.999+40 23 48.29 ~ADI5 21.5 GWNEOCPJ04
P12r4oK 1C2026 10 16.48011600 16 19.594+39 47 28.44 ~AGD5 22.53GVNEOCPT12
P12r4oK 1C2026 10 16.48165000 16 19.477+39 47 27.39 ~AGD5 22.40GVNEOCPT12
Station data:
(033) Karl Schwarzschild Observatory, Tautenburg (N50.980139 E11.711240)
Germany. Observer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
(F51) Pan-STARRS 1, Haleakala (N20.707234 W156.255910) US/Hawaii.
Observers J. Herman, T. Lowe, P. Minguez, A. Schultz, I. Smith. Measurers
K. Chambers, T. de Boer, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, E.
Magnier, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chrétien +
CCD.
(F52) Pan-STARRS 2, Haleakala (N20.707382 W156.255910) US/Hawaii.
Observers J. Herman, T. Lowe, P. Minguez, A. Schultz, I. Smith. Measurers
K. Chambers, T. de Boer, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, E.
Magnier, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chrétien +
CCD.
(J04) ESA Optical Ground Station, Tenerife (N28.300971 W16.511823) Canary
Islands (Spain). Observer M. Micheli. Measurers M. Micheli, D. Koschny,
E. Schwab, M. Busch, A. Knöfel. 1.0-m f/4.4 reflector + CCD.
(R18) Two-meter Twin Telescope, TTT4 (N28.298907 W16.509750) Canary Islands
(Spain).
(T12) Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m) (N19.823004
W155.469460) US/Hawaii. Observer R. Weryk. 2.24-m f/10.1 University of
Hawaii reflector.
(Y68) Two-meter Twin Telescope, TTT3 (N28.298934 W16.509230) Canary Islands
(Spain). Observer F. Abarzuza. 2.00-m f/6 reflector + CMO.
Orbital elements: P12r4oK
Perihelion 2025 Dec 22.335550 +/- 1.06 TT = 8:03:11.4 (JD 2461031.835550)
Epoch 2026 Oct 16.0 TT = JDT 2461329.5 Earth MOID: 0.7886 AutoNEOCP
M 110.496946340 +/- 0.39 (J2000 ecliptic)
n 0.371213109 +/- 8.2e-5 Peri. 342.821395 +/- 0.30
a 1.917434389 +/- 0.000282 Node 281.997491 +/- 0.033
e 0.06014638 +/- 0.000486 Incl. 18.022781 +/- 0.006
P 2.655/969.775d H 19.66 G 0.15 U 6.5
q 1.802107641 +/- 0.000796 Q 2.032761137 +/- 0.00114
From 19 observations 2026 Oct. 6-16; mean residual 0".28
Residuals in arcseconds: 261006 F51 .02+ .09- 261011 R18 .32- .08+ 261012 J04 .36- .05- 261006 F51 .01- .01- 261011 Y68 .04- .12- 261012 J04 .18- .10+ 261006 F51 .23- .10+ 261011 Y68 .49+ .06+ 261012 J04 .17- .13- 261006 F52 .14+ .15- 261012 Y68 1.0+ .23+ 261016 T12 .05+ .00 261006 F52 .05+ .14+ 261012 033 .45- .13- 261016 T12 .05- .01+ 261011 R18 .68+ .10+ 261012 033 .54- .03- 261011 R18 .45- .00 261012 033 .16+ .15- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 10 16 17 00 16 04.689 +39 44 52.73 1.0594 1.9642 145.6 22.1 .035 138 2026 10 16 18 00 16 01.903 +39 44 24.48 1.0594 1.9642 145.6 22.1 .038 138 2026 10 16 19 00 15 59.119 +39 43 56.19 1.0595 1.9642 145.6 22.1 .041 138 2026 10 16 20 00 15 56.339 +39 43 27.86 1.0595 1.9643 145.6 22.1 .044 138 2026 10 16 21 00 15 53.562 +39 42 59.49 1.0596 1.9643 145.6 22.1 .047 138 2026 10 16 22 00 15 50.788 +39 42 31.07 1.0596 1.9643 145.6 22.1 .050 138 2026 10 16 23 00 15 48.017 +39 42 02.60 1.0596 1.9643 145.6 22.1 .054 138 2026 10 17 00 00 15 45.249 +39 41 34.09 1.0597 1.9644 145.6 22.1 .057 138 2026 10 17 01 00 15 42.484 +39 41 05.54 1.0597 1.9644 145.6 22.1 .060 138 2026 10 17 02 00 15 39.723 +39 40 36.95 1.0598 1.9644 145.6 22.1 .063 138 2026 10 17 03 00 15 36.964 +39 40 08.31 1.0598 1.9645 145.6 22.1 .066 138 2026 10 17 04 00 15 34.209 +39 39 39.63 1.0598 1.9645 145.6 22.1 .069 138 2026 10 17 05 00 15 31.457 +39 39 10.90 1.0599 1.9645 145.6 22.1 .073 138 2026 10 17 06 00 15 28.708 +39 38 42.13 1.0599 1.9645 145.6 22.1 .076 138 2026 10 17 07 00 15 25.963 +39 38 13.32 1.0600 1.9646 145.6 22.1 .079 138 2026 10 17 08 00 15 23.220 +39 37 44.46 1.0600 1.9646 145.6 22.1 .082 138 2026 10 17 09 00 15 20.481 +39 37 15.56 1.0600 1.9646 145.6 22.1 .086 138 2026 10 17 10 00 15 17.745 +39 36 46.62 1.0601 1.9646 145.6 22.1 .089 138 2026 10 17 11 00 15 15.012 +39 36 17.63 1.0601 1.9647 145.6 22.1 .092 138 2026 10 17 12 00 15 12.283 +39 35 48.61 1.0602 1.9647 145.6 22.1 .096 138 2026 10 17 13 00 15 09.556 +39 35 19.53 1.0602 1.9647 145.6 22.1 .099 138 2026 10 17 14 00 15 06.833 +39 34 50.42 1.0603 1.9648 145.6 22.1 .103 137 2026 10 17 15 00 15 04.113 +39 34 21.26 1.0603 1.9648 145.6 22.1 .106 137 2026 10 17 16 00 15 01.397 +39 33 52.06 1.0604 1.9648 145.6 22.1 .109 137 2026 10 17 17 00 14 58.683 +39 33 22.82 1.0604 1.9648 145.6 22.1 .113 137 2026 10 17 18 00 14 55.973 +39 32 53.54 1.0604 1.9649 145.6 22.1 .116 137 2026 10 17 19 00 14 53.266 +39 32 24.21 1.0605 1.9649 145.6 22.1 .120 137 2026 10 17 20 00 14 50.563 +39 31 54.84 1.0605 1.9649 145.6 22.1 .124 137 2026 10 17 21 00 14 47.863 +39 31 25.43 1.0606 1.9649 145.6 22.1 .127 137 2026 10 17 22 00 14 45.166 +39 30 55.98 1.0606 1.9650 145.5 22.1 .131 137 2026 10 17 23 00 14 42.472 +39 30 26.48 1.0607 1.9650 145.5 22.1 .134 137 2026 10 18 00 00 14 39.782 +39 29 56.95 1.0607 1.9650 145.5 22.1 .138 137 2026 10 18 01 00 14 37.095 +39 29 27.37 1.0608 1.9651 145.5 22.1 .142 137 2026 10 18 02 00 14 34.411 +39 28 57.75 1.0608 1.9651 145.5 22.1 .145 137 2026 10 18 03 00 14 31.731 +39 28 28.08 1.0609 1.9651 145.5 22.1 .149 137 2026 10 18 04 00 14 29.054 +39 27 58.38 1.0609 1.9651 145.5 22.1 .153 137 2026 10 18 05 00 14 26.380 +39 27 28.63 1.0610 1.9652 145.5 22.1 .157 137 2026 10 18 06 00 14 23.710 +39 26 58.85 1.0610 1.9652 145.5 22.1 .160 137 2026 10 18 07 00 14 21.043 +39 26 29.02 1.0611 1.9652 145.5 22.1 .164 137 2026 10 18 08 00 14 18.379 +39 25 59.15 1.0611 1.9653 145.5 22.1 .168 137 2026 10 18 09 00 14 15.719 +39 25 29.24 1.0612 1.9653 145.5 22.1 .172 137 2026 10 18 10 00 14 13.062 +39 24 59.28 1.0612 1.9653 145.5 22.1 .176 137 2026 10 18 11 00 14 10.409 +39 24 29.29 1.0613 1.9653 145.5 22.1 .180 136 2026 10 18 12 00 14 07.759 +39 23 59.26 1.0613 1.9654 145.5 22.1 .184 136 2026 10 18 13 00 14 05.112 +39 23 29.18 1.0614 1.9654 145.5 22.1 .188 136 2026 10 18 14 00 14 02.469 +39 22 59.06 1.0614 1.9654 145.5 22.1 .192 136 2026 10 18 15 00 13 59.829 +39 22 28.91 1.0615 1.9654 145.5 22.1 .196 136 2026 10 18 16 00 13 57.193 +39 21 58.71 1.0615 1.9655 145.5 22.1 .200 136