"Pseudo-MPEC" for P12rf9w
Created 2026 Oct 19 19:35:16 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12rf9w*0C2026 10 11.47622901 59 11.266-17 12 00.34 ~AIHo 21.91wXNEOCPF51
P12rf9w 0C2026 10 11.50561601 59 08.542-17 11 55.56 ~AIHo 21.65wXNEOCPF51
P12rf9w 0C2026 10 11.51705301 59 07.516-17 11 53.70 ~AIHo 21.84wXNEOCPF51
P12rf9w 1C2026 10 16.38839901 51 45.783-16 54 32.55 ~AIHo 22.16GVNEOCPT12
P12rf9w 1C2026 10 16.39239001 51 45.392-16 54 31.40 ~AIHo 22.14GVNEOCPT12
P12rf9w 1C2026 10 17.48348301 50 04.771-16 49 21.84 ~AIHo 22.08GVNEOCPT12
P12rf9w 1C2026 10 17.48519701 50 04.600-16 49 21.39 ~AIHo 22.25GVNEOCPT12
P12rf9w 1C2026 10 17.48691101 50 04.450-16 49 20.83 ~AIHo 22.15GVNEOCPT12
Station data:
(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.
(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.
Orbital elements: P12rf9w
Perihelion 2025 Oct 15.180362 +/- 4.81 TT = 4:19:43.2 (JD 2460963.680362)
Epoch 2026 Oct 17.0 TT = JDT 2461330.5 Earth MOID: 0.8791 AutoNEOCP
M 129.321731937 +/- 1.5 (J2000 ecliptic)
n 0.352548551 +/- 0.000467 Peri. 188.213379 +/- 1.3
a 1.984525847 +/- 0.00175 Node 57.374075 +/- 0.10
e 0.04739837 +/- 0.00113 Incl. 22.668533 +/- 0.07
P 2.79567 H 19.62 G 0.15 U 7.6
q 1.890462545 +/- 0.00321 Q 2.078589149 +/- 0.00237
From 8 observations 2026 Oct. 11-17; mean residual 0".09
Residuals in arcseconds: 261011 F51 .05- .06- 261016 T12 .09+ .04- 261017 T12 .10- .04- 261011 F51 .19- .03+ 261016 T12 .09- .04+ 261017 T12 .09+ .01+ 261011 F51 .23+ .04+ 261017 T12 .01+ .03+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 10 19 20 01 46 28.657 -16 36 34.31 1.1090 2.0479 153.2 22.2 .463 22 2026 10 19 21 01 46 24.827 -16 36 19.60 1.1090 2.0479 153.2 22.2 .473 22 2026 10 19 22 01 46 20.998 -16 36 04.84 1.1091 2.0479 153.2 22.2 .482 22 2026 10 19 23 01 46 17.169 -16 35 50.05 1.1091 2.0479 153.2 22.2 .492 22 2026 10 20 00 01 46 13.340 -16 35 35.21 1.1092 2.0479 153.2 22.2 .501 22 2026 10 20 01 01 46 09.511 -16 35 20.33 1.1093 2.0480 153.2 22.2 .511 22 2026 10 20 02 01 46 05.683 -16 35 05.41 1.1093 2.0480 153.2 22.2 .521 23 2026 10 20 03 01 46 01.855 -16 34 50.45 1.1094 2.0480 153.2 22.2 .531 23 2026 10 20 04 01 45 58.028 -16 34 35.45 1.1094 2.0480 153.2 22.2 .541 23 2026 10 20 05 01 45 54.201 -16 34 20.40 1.1095 2.0480 153.2 22.2 .551 23 2026 10 20 06 01 45 50.374 -16 34 05.32 1.1096 2.0480 153.1 22.2 .561 23 2026 10 20 07 01 45 46.548 -16 33 50.19 1.1096 2.0481 153.1 22.2 .571 23 2026 10 20 08 01 45 42.722 -16 33 35.02 1.1097 2.0481 153.1 22.2 .582 23 2026 10 20 09 01 45 38.897 -16 33 19.81 1.1097 2.0481 153.1 22.2 .592 23 2026 10 20 10 01 45 35.072 -16 33 04.56 1.1098 2.0481 153.1 22.2 .603 23 2026 10 20 11 01 45 31.247 -16 32 49.27 1.1099 2.0481 153.1 22.2 .613 23 2026 10 20 12 01 45 27.423 -16 32 33.94 1.1099 2.0481 153.1 22.2 .624 23 2026 10 20 13 01 45 23.600 -16 32 18.56 1.1100 2.0482 153.1 22.2 .634 23 2026 10 20 14 01 45 19.777 -16 32 03.15 1.1100 2.0482 153.1 22.2 .645 23 2026 10 20 15 01 45 15.954 -16 31 47.69 1.1101 2.0482 153.1 22.2 .656 23 2026 10 20 16 01 45 12.132 -16 31 32.19 1.1102 2.0482 153.1 22.2 .667 24 2026 10 20 17 01 45 08.311 -16 31 16.65 1.1102 2.0482 153.1 22.2 .678 24 2026 10 20 18 01 45 04.490 -16 31 01.08 1.1103 2.0482 153.1 22.2 .689 24 2026 10 20 19 01 45 00.669 -16 30 45.45 1.1104 2.0483 153.0 22.2 .700 24 2026 10 20 20 01 44 56.849 -16 30 29.79 1.1104 2.0483 153.0 22.2 .711 24 2026 10 20 21 01 44 53.030 -16 30 14.09 1.1105 2.0483 153.0 22.2 .723 24 2026 10 20 22 01 44 49.211 -16 29 58.34 1.1106 2.0483 153.0 22.2 .734 24 2026 10 20 23 01 44 45.393 -16 29 42.56 1.1106 2.0483 153.0 22.2 .746 24 2026 10 21 00 01 44 41.575 -16 29 26.73 1.1107 2.0483 153.0 22.2 .757 24 2026 10 21 01 01 44 37.758 -16 29 10.86 1.1108 2.0484 153.0 22.2 .769 24 2026 10 21 02 01 44 33.942 -16 28 54.96 1.1108 2.0484 153.0 22.2 .781 24 2026 10 21 03 01 44 30.126 -16 28 39.01 1.1109 2.0484 153.0 22.2 .792 24 2026 10 21 04 01 44 26.310 -16 28 23.01 1.1110 2.0484 153.0 22.2 .804 24 2026 10 21 05 01 44 22.495 -16 28 06.98 1.1110 2.0484 153.0 22.2 .816 24 2026 10 21 06 01 44 18.681 -16 27 50.91 1.1111 2.0484 153.0 22.2 .828 24 2026 10 21 07 01 44 14.868 -16 27 34.80 1.1112 2.0485 152.9 22.2 .840 25 2026 10 21 08 01 44 11.055 -16 27 18.64 1.1113 2.0485 152.9 22.2 .852 25 2026 10 21 09 01 44 07.243 -16 27 02.44 1.1113 2.0485 152.9 22.2 .865 25 2026 10 21 10 01 44 03.431 -16 26 46.21 1.1114 2.0485 152.9 22.2 .877 25 2026 10 21 11 01 43 59.620 -16 26 29.93 1.1115 2.0485 152.9 22.2 .889 25 2026 10 21 12 01 43 55.810 -16 26 13.61 1.1115 2.0486 152.9 22.2 .902 25 2026 10 21 13 01 43 52.000 -16 25 57.25 1.1116 2.0486 152.9 22.2 .915 25 2026 10 21 14 01 43 48.192 -16 25 40.85 1.1117 2.0486 152.9 22.2 .927 25 2026 10 21 15 01 43 44.383 -16 25 24.41 1.1118 2.0486 152.9 22.2 .940 25 2026 10 21 16 01 43 40.576 -16 25 07.92 1.1118 2.0486 152.9 22.2 .953 25 2026 10 21 17 01 43 36.769 -16 24 51.40 1.1119 2.0486 152.8 22.2 .966 25 2026 10 21 18 01 43 32.963 -16 24 34.83 1.1120 2.0487 152.8 22.2 .979 25 2026 10 21 19 01 43 29.158 -16 24 18.23 1.1121 2.0487 152.8 22.2 0.99 25