"Pseudo-MPEC" for P12i4dC
Created 2025 Dec 13 5:35:07 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12i4dC* C2025 11 28.52715404 06 14.923+14 14 44.21 ~BSF5 21.78wXNEOCPF51
P12i4dC C2025 11 28.53904404 06 14.739+14 14 23.79 ~BSF5 22.14wXNEOCPF51
P12i4dC C2025 11 28.55094704 06 14.560+14 14 02.57 ~BSF5 22.81wXNEOCPF51
P12i4dC C2025 11 28.56288304 06 14.386+14 13 41.56 ~BSF5 21.98wXNEOCPF51
P12i4dC 0C2025 11 30.12819004 06 07.150+13 28 53.70 ~C2J5 VNEOCP291
P12i4dC 0C2025 11 30.14917004 06 06.930+13 28 19.10 ~C2J5 VNEOCP291
P12i4dC 0C2025 11 30.17014004 06 06.580+13 27 43.10 ~C2J5 VNEOCP291
P12i4dC 1C2025 12 10.35191204 05 57.690+09 00 49.00 ~CABZ 22.1 RVNEOCP691
P12i4dC 1C2025 12 10.37203004 05 57.640+09 00 21.00 ~CABZ 21.4 RVNEOCP691
P12i4dC 1C2025 12 10.39215004 05 57.680+08 59 52.30 ~CABZ 21.6 RVNEOCP691
P12i4dC |C2025 12 12.13578004 06 12.400+08 20 30.60 ~CC4Z 22.2 GVNEOCP807
P12i4dC |C2025 12 12.15034004 06 12.380+08 20 12.60 ~CC4Z 22.3 GVNEOCP807
P12i4dC |C2025 12 12.16490004 06 12.390+08 19 53.00 ~CC4Z 22.7 GVNEOCP807
Station data:
(291) LPL/Spacewatch II (N31.961669 W111.599905) US/Arizona. Observers J.
V. Scotti, R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
(691) Steward Observatory, Kitt Peak - Spacewatch (N31.962174 W111.600327)
US/Arizona. Observer J. V. Scotti. 0.9-m f/3 reflector + CCD.
(807) Cerro Tololo Observatory, La Serena (S30.169133 W70.805900) Chile.
Observer R. Holmes. 0.61-m f/6.5 astrograph + 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.
Orbital elements: P12i4dC
Perihelion 2025 Dec 16.523980 +/- 0.108 TT = 12:34:31.9 (JD 2461026.023980)
Epoch 2025 Dec 12.0 TT = JDT 2461021.5 Earth MOID: 0.3184 AutoNEOCP
M 358.162620948 +/- 0.049 (J2000 ecliptic)
n 0.406142142 +/- 0.00145 Peri. 203.863137 +/- 0.10
a 1.805859725 +/- 0.00429 Node 235.021503 +/- 0.010
e 0.28132167 +/- 0.000995 Incl. 8.947422 +/- 0.036
P 2.427/886.372d H 23.40 G 0.15 U 8.4
q 1.297832244 +/- 0.00129 Q 2.313887206 +/- 0.00729
From 13 observations 2025 Nov. 28-Dec. 12; mean residual 0".34
Residuals in arcseconds: 251128 F51 .12+ .12- 251130 291 .53+ .49+ 251212 807 .04+ .89- 251128 F51 .06+ .29+ 251130 291 .66- .35- 251212 807 .17- .54+ 251128 F51 .03- .06- 251210 691 .05- .36- 251212 807 .05+ .39+ 251128 F51 .14- .12- 251210 691 .33- .20+ 251130 291 .13+ .03- 251210 691 .48+ .09+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2025 12 13 06 04 06 23.856 +07 55 54.65 .33454 1.2981 156.5 22.5 .520 83 2025 12 13 07 04 06 24.332 +07 55 01.07 .33462 1.2981 156.4 22.5 .533 82 2025 12 13 08 04 06 24.812 +07 54 07.56 .33470 1.2981 156.4 22.5 .546 82 2025 12 13 09 04 06 25.295 +07 53 14.12 .33478 1.2981 156.3 22.5 .559 82 2025 12 13 10 04 06 25.781 +07 52 20.76 .33486 1.2981 156.3 22.5 .572 82 2025 12 13 11 04 06 26.271 +07 51 27.48 .33494 1.2981 156.2 22.5 .585 82 2025 12 13 12 04 06 26.764 +07 50 34.27 .33502 1.2981 156.2 22.5 .599 82 2025 12 13 13 04 06 27.261 +07 49 41.14 .33510 1.2981 156.1 22.5 .612 82 2025 12 13 14 04 06 27.760 +07 48 48.08 .33518 1.2980 156.1 22.5 .626 82 2025 12 13 15 04 06 28.263 +07 47 55.09 .33526 1.2980 156.1 22.5 .640 81 2025 12 13 16 04 06 28.770 +07 47 02.19 .33534 1.2980 156.0 22.5 .653 81 2025 12 13 17 04 06 29.280 +07 46 09.36 .33542 1.2980 156.0 22.5 .667 81 2025 12 13 18 04 06 29.793 +07 45 16.60 .33551 1.2980 155.9 22.5 .681 81 2025 12 13 19 04 06 30.310 +07 44 23.92 .33559 1.2980 155.9 22.5 .695 81 2025 12 13 20 04 06 30.829 +07 43 31.31 .33567 1.2980 155.8 22.5 .710 81 2025 12 13 21 04 06 31.353 +07 42 38.78 .33575 1.2980 155.8 22.5 .724 81 2025 12 13 22 04 06 31.880 +07 41 46.33 .33583 1.2980 155.8 22.5 .738 81 2025 12 13 23 04 06 32.410 +07 40 53.95 .33592 1.2980 155.7 22.5 .753 81 2025 12 14 00 04 06 32.943 +07 40 01.65 .33600 1.2980 155.7 22.5 .767 80 2025 12 14 01 04 06 33.480 +07 39 09.43 .33608 1.2980 155.6 22.5 .782 80 2025 12 14 02 04 06 34.021 +07 38 17.28 .33617 1.2980 155.6 22.5 .797 80 2025 12 14 03 04 06 34.564 +07 37 25.21 .33625 1.2980 155.5 22.5 .812 80 2025 12 14 04 04 06 35.112 +07 36 33.21 .33633 1.2980 155.5 22.5 .827 80 2025 12 14 05 04 06 35.662 +07 35 41.30 .33642 1.2980 155.5 22.6 .842 80 2025 12 14 06 04 06 36.216 +07 34 49.45 .33650 1.2980 155.4 22.6 .857 80 2025 12 14 07 04 06 36.774 +07 33 57.69 .33658 1.2980 155.4 22.6 .872 80 2025 12 14 08 04 06 37.335 +07 33 06.00 .33667 1.2980 155.3 22.6 .888 80 2025 12 14 09 04 06 37.899 +07 32 14.39 .33675 1.2979 155.3 22.6 .903 80 2025 12 14 10 04 06 38.467 +07 31 22.85 .33684 1.2979 155.2 22.6 .919 80 2025 12 14 11 04 06 39.038 +07 30 31.39 .33692 1.2979 155.2 22.6 .934 79 2025 12 14 12 04 06 39.613 +07 29 40.01 .33701 1.2979 155.1 22.6 .950 79 2025 12 14 13 04 06 40.191 +07 28 48.71 .33709 1.2979 155.1 22.6 .966 79 2025 12 14 14 04 06 40.773 +07 27 57.48 .33718 1.2979 155.1 22.6 .982 79 2025 12 14 15 04 06 41.358 +07 27 06.33 .33727 1.2979 155.0 22.6 1.00 79 2025 12 14 16 04 06 41.947 +07 26 15.26 .33735 1.2979 155.0 22.6 1.01 79 2025 12 14 17 04 06 42.539 +07 25 24.26 .33744 1.2979 154.9 22.6 1.03 79 2025 12 14 18 04 06 43.135 +07 24 33.34 .33753 1.2979 154.9 22.6 1.05 79 2025 12 14 19 04 06 43.734 +07 23 42.50 .33761 1.2979 154.8 22.6 1.06 79 2025 12 14 20 04 06 44.337 +07 22 51.74 .33770 1.2979 154.8 22.6 1.08 79 2025 12 14 21 04 06 44.943 +07 22 01.05 .33779 1.2979 154.8 22.6 1.10 79 2025 12 14 22 04 06 45.553 +07 21 10.45 .33787 1.2979 154.7 22.6 1.11 78 2025 12 14 23 04 06 46.166 +07 20 19.92 .33796 1.2979 154.7 22.6 1.13 78 2025 12 15 00 04 06 46.783 +07 19 29.46 .33805 1.2979 154.6 22.6 1.15 78 2025 12 15 01 04 06 47.403 +07 18 39.09 .33814 1.2979 154.6 22.6 1.16 78 2025 12 15 02 04 06 48.027 +07 17 48.79 .33823 1.2979 154.5 22.6 1.18 78 2025 12 15 03 04 06 48.655 +07 16 58.57 .33831 1.2979 154.5 22.6 1.20 78 2025 12 15 04 04 06 49.286 +07 16 08.43 .33840 1.2979 154.5 22.6 1.22 78 2025 12 15 05 04 06 49.920 +07 15 18.37 .33849 1.2979 154.4 22.6 1.23 78