"Pseudo-MPEC" for P12l8Sl
Created 2026 Feb 8 3:35:13 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12l8Sl*0C2026 01 28.38629208 25 07.803+03 06 38.80 ~1SMK 20.73wXNEOCPF51
P12l8Sl 0C2026 01 28.40031708 25 12.259+03 07 40.42 ~1SMK 20.86wXNEOCPF51
P12l8Sl 0C2026 01 28.43289008 25 22.562+03 10 02.70 ~1SMK 21.02wXNEOCPF51
P12l8Sl 0C2026 01 29.39322708 30 40.112+04 15 25.65 ~260o 20.77GVNEOCPF52
P12l8Sl 0C2026 01 29.39403908 30 40.315+04 15 28.60 ~260o 20.67GVNEOCPF52
P12l8Sl 1C2026 02 06.30378308 57 08.723+09 45 47.99 ~2685 21.89GVNEOCPI52
P12l8Sl 1C2026 02 06.30843408 57 09.248+09 45 54.50 ~2685 21.86GVNEOCPI52
P12l8Sl 1C2026 02 06.31308708 57 09.781+09 46 02.03 ~2685 21.78GVNEOCPI52
P12l8Sl 1C2026 02 06.31773408 57 10.278+09 46 09.98 ~2685 22.53GVNEOCPI52
P12l8Sl |C2026 02 07.14038008 58 54.670+10 08 32.80 ~274o 22.1 GVNEOCP807
P12l8Sl |C2026 02 07.15131008 58 55.770+10 08 49.50 ~274o 22.3 GVNEOCP807
P12l8Sl |C2026 02 07.16223008 58 56.900+10 09 06.20 ~274o 21.8 GVNEOCP807
P12l8Sl |C2026 02 08.10182009 00 46.920+10 31 43.70 ~283Z 22.1 GVNEOCP807
P12l8Sl |C2026 02 08.11274009 00 47.950+10 31 58.70 ~283Z 22.1 GVNEOCP807
P12l8Sl |C2026 02 08.12366009 00 48.990+10 32 14.30 ~283Z 22.2 GVNEOCP807
Station data:
(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.
(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.
(I52) Steward Observatory, Mt. Lemmon Station (N32.442570 W110.788920)
US/Arizona. Measurers T. Beuden, V. F. Carvajal, D. Fay, J. B. Fazekas, D.
C. Fuls, A. R. Gibbs, A. D. Grauer, H. Gröller, J. K. Hogan, R. A.
Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L. Seaman, F. C.
Shelly, K. W. Wierzchoś. 1.0-m prime focus + CCD.
Orbital elements: P12l8Sl
Perihelion 2025 Dec 16.908081 +/- 0.0287 TT = 21:47:38.1 (JD 2461026.408081)
Epoch 2026 Feb 8.0 TT = JDT 2461079.5 Earth MOID: 0.0331 Ma: 0.0248
M 13.788727987 +/- 0.16 (J2000 ecliptic) AutoNEOCP
n 0.259714249 +/- 0.00292 Peri. 273.765144 +/- 0.012
a 2.432981822 +/- 0.0182 Node 158.791247 +/- 0.022
e 0.63177786 +/- 0.00287 Incl. 2.677226 +/- 0.011
P 3.79497 H 25.26 G 0.15 U 8.8
q 0.895877766 +/- 0.000255 Q 3.970085878 +/- 0.0368
From 15 observations 2026 Jan. 28-Feb. 8; mean residual 0".21
Residuals in arcseconds: 260128 F51 .02- .09- 260206 I52 .35- .72+ 260207 807 .09- .00 260128 F51 .06- .03+ 260206 I52 .19- .33- 260207 807 .17+ .14+ 260128 F51 .05+ .06+ 260206 I52 .09+ .36- 260208 807 .18+ .16+ 260129 F52 .17+ .08+ 260206 I52 .15- .05+ 260208 807 .02+ .26- 260129 F52 .14- .09- 260207 807 .17+ .08- 260208 807 .11+ .02- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 02 08 04 09 00 52.590 +10 32 42.00 .17589 1.1610 172.4 22.3 .067 84 2026 02 08 05 09 00 57.206 +10 33 39.47 .17622 1.1613 172.4 22.3 .068 85 2026 02 08 06 09 01 01.806 +10 34 36.74 .17656 1.1617 172.4 22.3 .069 86 2026 02 08 07 09 01 06.391 +10 35 33.81 .17690 1.1620 172.4 22.3 .070 87 2026 02 08 08 09 01 10.961 +10 36 30.67 .17723 1.1624 172.4 22.3 .070 88 2026 02 08 09 09 01 15.515 +10 37 27.33 .17757 1.1627 172.4 22.3 .071 89 2026 02 08 10 09 01 20.054 +10 38 23.80 .17791 1.1630 172.4 22.3 .072 90 2026 02 08 11 09 01 24.578 +10 39 20.06 .17825 1.1634 172.4 22.3 .073 91 2026 02 08 12 09 01 29.087 +10 40 16.13 .17858 1.1637 172.4 22.3 .073 92 2026 02 08 13 09 01 33.580 +10 41 12.01 .17892 1.1641 172.4 22.3 .074 93 2026 02 08 14 09 01 38.059 +10 42 07.68 .17926 1.1644 172.4 22.4 .075 94 2026 02 08 15 09 01 42.523 +10 43 03.17 .17960 1.1648 172.4 22.4 .076 95 2026 02 08 16 09 01 46.972 +10 43 58.46 .17994 1.1651 172.4 22.4 .077 96 2026 02 08 17 09 01 51.406 +10 44 53.55 .18027 1.1654 172.4 22.4 .078 97 2026 02 08 18 09 01 55.826 +10 45 48.46 .18061 1.1658 172.4 22.4 .079 98 2026 02 08 19 09 02 00.232 +10 46 43.17 .18095 1.1661 172.4 22.4 .079 99 2026 02 08 20 09 02 04.622 +10 47 37.70 .18129 1.1665 172.4 22.4 .080 100 2026 02 08 21 09 02 08.999 +10 48 32.03 .18163 1.1668 172.4 22.4 .081 100 2026 02 08 22 09 02 13.361 +10 49 26.18 .18197 1.1672 172.4 22.4 .082 101 2026 02 08 23 09 02 17.709 +10 50 20.14 .18231 1.1675 172.4 22.4 .083 102 2026 02 09 00 09 02 22.043 +10 51 13.91 .18265 1.1678 172.3 22.4 .084 103 2026 02 09 01 09 02 26.363 +10 52 07.49 .18299 1.1682 172.3 22.4 .085 104 2026 02 09 02 09 02 30.669 +10 53 00.90 .18333 1.1685 172.3 22.4 .086 104 2026 02 09 03 09 02 34.961 +10 53 54.11 .18367 1.1689 172.3 22.4 .087 105 2026 02 09 04 09 02 39.239 +10 54 47.15 .18401 1.1692 172.3 22.4 .088 106 2026 02 09 05 09 02 43.503 +10 55 40.00 .18435 1.1696 172.3 22.4 .089 107 2026 02 09 06 09 02 47.754 +10 56 32.67 .18469 1.1699 172.3 22.4 .090 107 2026 02 09 07 09 02 51.991 +10 57 25.16 .18503 1.1702 172.3 22.4 .091 108 2026 02 09 08 09 02 56.215 +10 58 17.47 .18537 1.1706 172.3 22.4 .092 109 2026 02 09 09 09 03 00.425 +10 59 09.60 .18572 1.1709 172.3 22.4 .093 109 2026 02 09 10 09 03 04.622 +11 00 01.56 .18606 1.1713 172.3 22.4 .094 110 2026 02 09 11 09 03 08.805 +11 00 53.33 .18640 1.1716 172.3 22.5 .095 111 2026 02 09 12 09 03 12.975 +11 01 44.93 .18674 1.1720 172.3 22.5 .096 111 2026 02 09 13 09 03 17.133 +11 02 36.36 .18708 1.1723 172.3 22.5 .097 112 2026 02 09 14 09 03 21.277 +11 03 27.60 .18743 1.1727 172.3 22.5 .099 113 2026 02 09 15 09 03 25.408 +11 04 18.68 .18777 1.1730 172.3 22.5 .100 113 2026 02 09 16 09 03 29.526 +11 05 09.58 .18811 1.1733 172.2 22.5 .101 114 2026 02 09 17 09 03 33.631 +11 06 00.31 .18845 1.1737 172.2 22.5 .102 114 2026 02 09 18 09 03 37.723 +11 06 50.86 .18880 1.1740 172.2 22.5 .103 115 2026 02 09 19 09 03 41.803 +11 07 41.25 .18914 1.1744 172.2 22.5 .104 116 2026 02 09 20 09 03 45.870 +11 08 31.46 .18948 1.1747 172.2 22.5 .105 116 2026 02 09 21 09 03 49.925 +11 09 21.51 .18983 1.1751 172.2 22.5 .106 117 2026 02 09 22 09 03 53.967 +11 10 11.38 .19017 1.1754 172.2 22.5 .107 117 2026 02 09 23 09 03 57.996 +11 11 01.09 .19051 1.1758 172.2 22.5 .108 118 2026 02 10 00 09 04 02.013 +11 11 50.63 .19086 1.1761 172.2 22.5 .109 118 2026 02 10 01 09 04 06.018 +11 12 40.00 .19120 1.1765 172.2 22.5 .111 119 2026 02 10 02 09 04 10.010 +11 13 29.21 .19155 1.1768 172.2 22.5 .112 120 2026 02 10 03 09 04 13.991 +11 14 18.25 .19189 1.1771 172.1 22.5 .113 120