"Pseudo-MPEC" for P12pLhW
Created 2026 Sep 9 18:35:13 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12pLhW C2026 09 06.74351300 07 00.797+05 52 26.80 ~99Eo 20.58RVNEOCPD29
P12pLhW C2026 09 06.75677100 07 00.011+05 52 40.31 ~99Eo 20.45RVNEOCPD29
P12pLhW C2026 09 06.77002800 06 59.213+05 52 53.28 ~99Eo 20.64RVNEOCPD29
P12pLhW*0C2026 09 09.39113800 04 28.974+06 37 39.81 ~99CZ 20.86wXNEOCPF51
P12pLhW 0C2026 09 09.40436300 04 28.115+06 37 53.45 ~99CZ 20.68wXNEOCPF51
P12pLhW 0C2026 09 09.41765600 04 27.252+06 38 06.99 ~99CZ 20.75wXNEOCPF51
P12pLhW 0C2026 09 09.43102900 04 26.382+06 38 20.81 ~99CZ 20.44wXNEOCPF51
Station data:
(D29) Purple Mountain Observatory, XuYi Station (N32.734363 E118.463900)
China. Observers H. B. Zhao, B. Li, G. Zhaori, R. Q. Hong, L. F. Hu.
Measurers H. B. Zhao, B. Li. H. Lu, G. Zhaori. 1.04-m f/1.8 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.
Orbital elements: P12pLhW
Perihelion 2026 Dec 17.533332 +/- 41.7 TT = 12:47:59.8 (JD 2461392.033332)
Epoch 2026 Sep 9.0 TT = JDT 2461292.5 Earth MOID: 0.3351 Ma: 0.0805
M 342.625171866 +/- 10 (J2000 ecliptic) AutoNEOCP
n 0.174562910 +/- 0.0594 Peri. 84.893260 +/- 28
a 3.170794283 +/- 0.72 Node 344.739518 +/- 1.5
e 0.62919392 +/- 0.0977 Incl. 15.060924 +/- 2.8
P 5.64615 H 19.72 G 0.15 U 10.9 SR
q 1.175749776 +/- 0.186 Q 5.165838791 +/- 1.06
From 7 observations 2026 Sept. 6-9; mean residual 0".26
Residuals in arcseconds: 260906 D29 .32+ .05- 260909 F51 .36- .39+ 260909 F51 .39+ .36- 260906 D29 .08+ .16+ 260909 F51 .15- .18+ 260906 D29 .36- .16- 260909 F51 .11+ .19- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 09 09 19 00 04 03.786 +06 44 41.62 .67252 1.6603 162.2 20.6 6.17 40 2026 09 09 20 00 04 01.177 +06 45 25.33 .67212 1.6599 162.2 20.6 6.95 40 2026 09 09 21 00 03 58.563 +06 46 09.08 .67173 1.6596 162.3 20.6 7.76 40 2026 09 09 22 00 03 55.943 +06 46 52.84 .67133 1.6593 162.3 20.6 8.58 39 2026 09 09 23 00 03 53.319 +06 47 36.63 .67094 1.6590 162.3 20.6 9.42 39 2026 09 10 00 00 03 50.690 +06 48 20.45 .67054 1.6587 162.4 20.6 10.3 39 2026 09 10 01 00 03 48.055 +06 49 04.30 .67015 1.6584 162.4 20.6 11.2 39 2026 09 10 02 00 03 45.415 +06 49 48.16 .66976 1.6580 162.5 20.6 12.1 39 2026 09 10 03 00 03 42.771 +06 50 32.06 .66936 1.6577 162.5 20.6 13.0 39 2026 09 10 04 00 03 40.121 +06 51 15.98 .66897 1.6574 162.5 20.6 13.9 39 2026 09 10 05 00 03 37.466 +06 51 59.93 .66858 1.6571 162.6 20.6 14.9 39 2026 09 10 06 00 03 34.806 +06 52 43.90 .66819 1.6568 162.6 20.6 15.9 39 2026 09 10 07 00 03 32.142 +06 53 27.89 .66780 1.6565 162.6 20.6 16.9 39 2026 09 10 08 00 03 29.472 +06 54 11.92 .66741 1.6561 162.7 20.6 17.9 39 2026 09 10 09 00 03 26.797 +06 54 55.97 .66702 1.6558 162.7 20.6 19.0 39 2026 09 10 10 00 03 24.116 +06 55 40.04 .66663 1.6555 162.8 20.6 20.1 39 2026 09 10 11 00 03 21.431 +06 56 24.14 .66624 1.6552 162.8 20.6 21.1 39 2026 09 10 12 00 03 18.741 +06 57 08.26 .66585 1.6549 162.8 20.6 22.2 39 2026 09 10 13 00 03 16.046 +06 57 52.42 .66546 1.6546 162.9 20.6 23.4 39 2026 09 10 14 00 03 13.346 +06 58 36.59 .66507 1.6543 162.9 20.6 24.5 39 2026 09 10 15 00 03 10.640 +06 59 20.80 .66468 1.6539 162.9 20.6 25.7 39 2026 09 10 16 00 03 07.930 +07 00 05.02 .66429 1.6536 163.0 20.6 26.9 39 2026 09 10 17 00 03 05.214 +07 00 49.28 .66390 1.6533 163.0 20.6 28.1 39 2026 09 10 18 00 03 02.494 +07 01 33.56 .66352 1.6530 163.1 20.6 29.3 39 2026 09 10 19 00 02 59.768 +07 02 17.86 .66313 1.6527 163.1 20.6 30.6 39 2026 09 10 20 00 02 57.038 +07 03 02.19 .66274 1.6524 163.1 20.6 31.9 39 2026 09 10 21 00 02 54.302 +07 03 46.55 .66236 1.6520 163.2 20.6 33.2 39 2026 09 10 22 00 02 51.561 +07 04 30.93 .66197 1.6517 163.2 20.6 34.5 39 2026 09 10 23 00 02 48.815 +07 05 15.34 .66158 1.6514 163.2 20.6 35.8 39 2026 09 11 00 00 02 46.065 +07 05 59.77 .66120 1.6511 163.3 20.6 37.2 39 2026 09 11 01 00 02 43.309 +07 06 44.23 .66081 1.6508 163.3 20.6 38.5 39 2026 09 11 02 00 02 40.548 +07 07 28.72 .66043 1.6505 163.4 20.6 39.9 39 2026 09 11 03 00 02 37.782 +07 08 13.23 .66005 1.6502 163.4 20.6 41.4 39 2026 09 11 04 00 02 35.011 +07 08 57.77 .65966 1.6498 163.4 20.6 42.8 39 2026 09 11 05 00 02 32.235 +07 09 42.33 .65928 1.6495 163.5 20.6 44.3 39 2026 09 11 06 00 02 29.454 +07 10 26.92 .65890 1.6492 163.5 20.5 45.7 39 2026 09 11 07 00 02 26.668 +07 11 11.53 .65851 1.6489 163.5 20.5 47.2 39 2026 09 11 08 00 02 23.877 +07 11 56.17 .65813 1.6486 163.6 20.5 48.8 39 2026 09 11 09 00 02 21.081 +07 12 40.84 .65775 1.6483 163.6 20.5 50.3 39 2026 09 11 10 00 02 18.279 +07 13 25.53 .65737 1.6480 163.6 20.5 51.9 39 2026 09 11 11 00 02 15.473 +07 14 10.25 .65699 1.6476 163.7 20.5 53.4 39 2026 09 11 12 00 02 12.662 +07 14 54.99 .65660 1.6473 163.7 20.5 55.1 39 2026 09 11 13 00 02 09.846 +07 15 39.76 .65622 1.6470 163.8 20.5 56.7 39 2026 09 11 14 00 02 07.024 +07 16 24.55 .65584 1.6467 163.8 20.5 58.3 39 2026 09 11 15 00 02 04.198 +07 17 09.38 .65546 1.6464 163.8 20.5 60.0 39 2026 09 11 16 00 02 01.367 +07 17 54.22 .65508 1.6461 163.9 20.5 61.7 39 2026 09 11 17 00 01 58.530 +07 18 39.09 .65471 1.6458 163.9 20.5 63.4 39 2026 09 11 18 00 01 55.689 +07 19 23.99 .65433 1.6454 163.9 20.5 65.1 39