"Pseudo-MPEC" for W023171
Created 2026 Aug 11 15:35:27 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
W023171* C2026 08 03.89402822 23 11.735+02 44 09.71 ~87Io 20.70rVNEOCPO18
W023171* C2026 08 03.89511622 23 11.731+02 44 10.26 ~87Io 20.72rVNEOCPO18
W023171 C2026 08 03.89620422 23 11.738+02 44 10.92 ~87Io 21.11rVNEOCPO18
W023171 C2026 08 03.89729222 23 11.740+02 44 11.69 ~87Io 20.63rVNEOCPO18
W023171 C2026 08 03.89836822 23 11.745+02 44 12.31 ~87Io 21.00rVNEOCPO18
W023171 C2026 08 03.89944422 23 11.742+02 44 12.97 ~87Io 21.01rVNEOCPO18
W023171 0C2026 08 11.49242122 23 11.608+03 53 39.66 ~8BEo 20.58wXNEOCPF51
W023171 0C2026 08 11.50632822 23 11.436+03 53 46.36 ~8BEo 20.56wXNEOCPF51
W023171 0C2026 08 11.51979122 23 11.261+03 53 52.68 ~8BEo 20.70wXNEOCPF51
W023171 0C2026 08 11.53313922 23 11.091+03 53 59.19 ~8BEo 20.69wXNEOCPF51
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.
(O18) WFST, Lenghu (N38.607601 E93.895220) China. Observers K. Yan, Z. Q.
Li, J. Z. Zhu, N. Jiang, Z. Y. Liu. Measurers B. Li, H. B. Zhao, Z. J. Xu,
G. T. Zhaori. 2.5-m f/2.48 reflector + CCD.
Orbital elements: W023171
Perihelion 2026 Sep 7.244176 +/- 37.8 TT = 5:51:36.8 (JD 2461290.744176)
Epoch 2026 Aug 11.0 TT = JDT 2461263.5 Earth MOID: 0.4838 AutoNEOCP
M 352.546479295 +/- 10 (J2000 ecliptic)
n 0.273582164 +/- 0.0567 Peri. 82.734962 +/- 36
a 2.350052302 +/- 0.325 Node 259.586759 +/- 10
e 0.36960437 +/- 0.0687 Incl. 4.873840 +/- 0.48
P 3.60260 H 20.35 G 0.15 U 10.8 SR
q 1.481462700 +/- 0.0738 Q 3.218641904 +/- 0.695
From 10 observations 2026 Aug. 3-11; mean residual 0".06
Residuals in arcseconds: 260803 O18 .02+ .07+ 260803 O18 .05+ .00 260811 F51 .01- .04- 260803 O18 .07- .05- 260803 O18 .02- .00 260811 F51 .07- .18+ 260803 O18 .01+ .06- 260811 F51 .01+ .13- 260803 O18 .01+ .04+ 260811 F51 .07+ .01- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 08 11 16 22 23 10.632 +03 55 06.90 .51541 1.4989 155.9 20.7 2.82 179 2026 08 11 17 22 23 10.371 +03 55 26.47 .51529 1.4988 156.0 20.7 3.65 178 2026 08 11 18 22 23 10.107 +03 55 46.01 .51516 1.4988 156.0 20.7 4.48 178 2026 08 11 19 22 23 09.841 +03 56 05.52 .51504 1.4987 156.0 20.7 5.33 177 2026 08 11 20 22 23 09.573 +03 56 24.98 .51491 1.4987 156.0 20.6 6.18 177 2026 08 11 21 22 23 09.302 +03 56 44.41 .51479 1.4986 156.1 20.6 7.05 177 2026 08 11 22 22 23 09.029 +03 57 03.81 .51466 1.4985 156.1 20.6 7.92 176 2026 08 11 23 22 23 08.753 +03 57 23.16 .51454 1.4985 156.1 20.6 8.80 176 2026 08 12 00 22 23 08.475 +03 57 42.49 .51441 1.4984 156.2 20.6 9.70 176 2026 08 12 01 22 23 08.195 +03 58 01.77 .51429 1.4984 156.2 20.6 10.6 176 2026 08 12 02 22 23 07.912 +03 58 21.02 .51417 1.4983 156.2 20.6 11.5 176 2026 08 12 03 22 23 07.627 +03 58 40.23 .51404 1.4983 156.3 20.6 12.4 176 2026 08 12 04 22 23 07.339 +03 58 59.41 .51392 1.4982 156.3 20.6 13.3 176 2026 08 12 05 22 23 07.049 +03 59 18.55 .51380 1.4982 156.3 20.6 14.3 176 2026 08 12 06 22 23 06.757 +03 59 37.65 .51368 1.4981 156.3 20.6 15.2 176 2026 08 12 07 22 23 06.462 +03 59 56.72 .51356 1.4981 156.4 20.6 16.2 176 2026 08 12 08 22 23 06.165 +04 00 15.75 .51343 1.4980 156.4 20.6 17.1 176 2026 08 12 09 22 23 05.866 +04 00 34.75 .51331 1.4980 156.4 20.6 18.1 176 2026 08 12 10 22 23 05.564 +04 00 53.70 .51319 1.4979 156.5 20.6 19.0 176 2026 08 12 11 22 23 05.260 +04 01 12.63 .51307 1.4979 156.5 20.6 20.0 176 2026 08 12 12 22 23 04.953 +04 01 31.51 .51295 1.4978 156.5 20.6 21.0 176 2026 08 12 13 22 23 04.645 +04 01 50.36 .51283 1.4978 156.5 20.6 22.0 176 2026 08 12 14 22 23 04.334 +04 02 09.17 .51271 1.4977 156.6 20.6 23.0 176 2026 08 12 15 22 23 04.020 +04 02 27.95 .51259 1.4977 156.6 20.6 24.0 176 2026 08 12 16 22 23 03.704 +04 02 46.68 .51247 1.4976 156.6 20.6 25.0 176 2026 08 12 17 22 23 03.386 +04 03 05.39 .51235 1.4975 156.7 20.6 26.1 176 2026 08 12 18 22 23 03.066 +04 03 24.05 .51223 1.4975 156.7 20.6 27.1 176 2026 08 12 19 22 23 02.744 +04 03 42.68 .51211 1.4974 156.7 20.6 28.1 176 2026 08 12 20 22 23 02.419 +04 04 01.27 .51199 1.4974 156.8 20.6 29.2 176 2026 08 12 21 22 23 02.092 +04 04 19.83 .51187 1.4973 156.8 20.6 30.3 176 2026 08 12 22 22 23 01.762 +04 04 38.34 .51175 1.4973 156.8 20.6 31.3 176 2026 08 12 23 22 23 01.430 +04 04 56.83 .51164 1.4972 156.8 20.6 32.4 176 2026 08 13 00 22 23 01.096 +04 05 15.27 .51152 1.4972 156.9 20.6 33.5 176 2026 08 13 01 22 23 00.760 +04 05 33.68 .51140 1.4971 156.9 20.6 34.6 176 2026 08 13 02 22 23 00.422 +04 05 52.05 .51128 1.4971 156.9 20.6 35.7 176 2026 08 13 03 22 23 00.081 +04 06 10.38 .51117 1.4970 157.0 20.6 36.8 176 2026 08 13 04 22 22 59.738 +04 06 28.68 .51105 1.4970 157.0 20.6 37.9 176 2026 08 13 05 22 22 59.393 +04 06 46.94 .51093 1.4969 157.0 20.6 39.0 176 2026 08 13 06 22 22 59.045 +04 07 05.16 .51082 1.4969 157.0 20.6 40.1 176 2026 08 13 07 22 22 58.695 +04 07 23.35 .51070 1.4968 157.1 20.6 41.3 176 2026 08 13 08 22 22 58.344 +04 07 41.50 .51058 1.4968 157.1 20.6 42.4 176 2026 08 13 09 22 22 57.989 +04 07 59.61 .51047 1.4967 157.1 20.6 43.6 176 2026 08 13 10 22 22 57.633 +04 08 17.69 .51035 1.4967 157.2 20.6 44.7 176 2026 08 13 11 22 22 57.274 +04 08 35.73 .51024 1.4966 157.2 20.6 45.9 176 2026 08 13 12 22 22 56.914 +04 08 53.73 .51012 1.4966 157.2 20.6 47.1 176 2026 08 13 13 22 22 56.551 +04 09 11.69 .51001 1.4965 157.2 20.6 48.2 177 2026 08 13 14 22 22 56.186 +04 09 29.62 .50989 1.4965 157.3 20.6 49.4 177 2026 08 13 15 22 22 55.818 +04 09 47.51 .50978 1.4964 157.3 20.6 50.6 177