"Pseudo-MPEC" for P12orpW
Created 2026 Jul 19 18:35:07 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12orpW*0C2026 07 18.48272921 37 35.484-04 30 38.69 ~7IHo 20.97wXNEOCPF51
P12orpW 0C2026 07 18.49566321 37 37.059-04 30 31.69 ~7IHo 21.07wXNEOCPF51
P12orpW 0C2026 07 18.54597021 37 43.203-04 30 03.90 ~7IHo 20.79wXNEOCPF51
P12orpW 0C2026 07 19.04356121 38 51.864-04 25 40.37 ~7JFZ WNEOCPJ95
P12orpW 0C2026 07 19.06647221 38 54.876-04 25 27.05 ~7JFZ 20.4 GWNEOCPJ95
P12orpW 3C2026 07 19.56254421 40 04.438-04 20 32.14 ~7JE5 20.43GVNEOCPT14
P12orpW 3C2026 07 19.56351721 40 04.568-04 20 31.57 ~7JE5 20.44GVNEOCPT14
P12orpW 3C2026 07 19.56449221 40 04.698-04 20 31.00 ~7JE5 20.38GVNEOCPT14
P12orpW KC2026 07 19.63546921 40 15.348-04 19 17.40 ~7JFo 20.2 GWNEOCP474
P12orpW KC2026 07 19.63905921 40 15.857-04 19 15.02 ~7JFo 20.7 GWNEOCP474
P12orpW KC2026 07 19.64265021 40 16.361-04 19 12.36 ~7JFo 20.4 GWNEOCP474
P12orpW KC2026 07 19.64624221 40 16.812-04 19 10.34 ~7JFo 20.2 GWNEOCP474
Station data:
(474) Mount John Observatory, Lake Tekapo (S43.987385 E170.464960) New
Zealand. Observers A. C. Gilmore, P. M. Kilmartin. Measurer P. M.
Kilmartin. 1.0-m f/7.7 reflector + 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.
(J95) Great Shefford (N51.474969 W1.447003) UK/England. Observer P.
Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain + CCD.
(T14) Mauna Kea-UH/Tholen NEO Follow-Up (CFHT) (N19.825252 W155.468876)
US/Hawaii. Observer R. Weryk. 3.6-m Canada-France-Hawaii Telescope.
Orbital elements: P12orpW
Perihelion 2026 Sep 24.979169 +/- 0.189 TT = 23:30:00.1 (JD 2461308.479169)
Epoch 2026 Jul 19.0 TT = JDT 2461240.5 Earth MOID: 0.0072 Ve: 0.0283
M 341.163486425 +/- 0.50 Ma: 0.0170 AutoNEOCP
n 0.277092437 +/- 0.00675 Peri. 262.172824 +/- 0.33
a 2.330162814 +/- 0.0378 Node 137.399103 +/- 0.10
e 0.71172020 +/- 0.00552 Incl. 7.694812 +/- 0.057
P 3.55696 H 21.85 G 0.15 U 9.4
q 0.671738865 +/- 0.00357 Q 3.988586764 +/- 0.0773 (J2000 ecliptic)
From 12 observations 2026 July 18-19 (27.9 hr); mean residual 0".20
Residuals in arcseconds: 260718 F51 .02- .04+ 260719 J95 .08+ .18+ 260719 474 .18- .57- 260718 F51 .04- .03- 260719 T14 .02- .00 260719 474 .14+ .28- 260718 F51 .05+ .07+ 260719 T14 .00 .01+ 260719 474 .38+ .30+ 260719 J95 .05- .31- 260719 T14 .01+ .01+ 260719 474 .17- .23+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 07 19 19 21 40 38.481 -04 18 06.79 .27207 1.2582 149.5 20.6 .107 52 2026 07 19 20 21 40 44.614 -04 17 42.54 .27153 1.2578 149.5 20.6 .110 55 2026 07 19 21 21 40 50.767 -04 17 18.24 .27099 1.2573 149.6 20.6 .114 57 2026 07 19 22 21 40 56.940 -04 16 53.88 .27044 1.2568 149.6 20.6 .118 60 2026 07 19 23 21 41 03.133 -04 16 29.49 .26990 1.2564 149.6 20.6 .122 62 2026 07 20 00 21 41 09.345 -04 16 05.04 .26936 1.2559 149.6 20.6 .126 64 2026 07 20 01 21 41 15.578 -04 15 40.54 .26882 1.2554 149.6 20.6 .131 66 2026 07 20 02 21 41 21.830 -04 15 15.99 .26828 1.2549 149.6 20.6 .136 68 2026 07 20 03 21 41 28.103 -04 14 51.39 .26774 1.2545 149.6 20.6 .141 70 2026 07 20 04 21 41 34.397 -04 14 26.74 .26720 1.2540 149.6 20.6 .147 72 2026 07 20 05 21 41 40.710 -04 14 02.04 .26666 1.2535 149.7 20.6 .153 74 2026 07 20 06 21 41 47.045 -04 13 37.29 .26612 1.2530 149.7 20.6 .159 75 2026 07 20 07 21 41 53.400 -04 13 12.48 .26558 1.2526 149.7 20.6 .166 77 2026 07 20 08 21 41 59.776 -04 12 47.62 .26504 1.2521 149.7 20.6 .172 78 2026 07 20 09 21 42 06.174 -04 12 22.71 .26450 1.2516 149.7 20.6 .179 79 2026 07 20 10 21 42 12.592 -04 11 57.75 .26396 1.2512 149.7 20.6 .187 81 2026 07 20 11 21 42 19.032 -04 11 32.74 .26342 1.2507 149.7 20.6 .194 82 2026 07 20 12 21 42 25.493 -04 11 07.67 .26288 1.2502 149.7 20.6 .202 83 2026 07 20 13 21 42 31.975 -04 10 42.54 .26234 1.2497 149.7 20.6 .211 84 2026 07 20 14 21 42 38.480 -04 10 17.36 .26180 1.2493 149.8 20.5 .219 85 2026 07 20 15 21 42 45.006 -04 09 52.13 .26126 1.2488 149.8 20.5 .228 86 2026 07 20 16 21 42 51.554 -04 09 26.84 .26072 1.2483 149.8 20.5 .237 87 2026 07 20 17 21 42 58.124 -04 09 01.50 .26019 1.2478 149.8 20.5 .246 87 2026 07 20 18 21 43 04.717 -04 08 36.10 .25965 1.2474 149.8 20.5 .255 88 2026 07 20 19 21 43 11.332 -04 08 10.64 .25911 1.2469 149.8 20.5 .265 89 2026 07 20 20 21 43 17.969 -04 07 45.13 .25857 1.2464 149.8 20.5 .275 89 2026 07 20 21 21 43 24.629 -04 07 19.56 .25804 1.2460 149.8 20.5 .286 90 2026 07 20 22 21 43 31.312 -04 06 53.93 .25750 1.2455 149.8 20.5 .296 91 2026 07 20 23 21 43 38.017 -04 06 28.24 .25696 1.2450 149.9 20.5 .307 91 2026 07 21 00 21 43 44.746 -04 06 02.49 .25643 1.2445 149.9 20.5 .318 92 2026 07 21 01 21 43 51.498 -04 05 36.69 .25589 1.2441 149.9 20.5 .330 92 2026 07 21 02 21 43 58.273 -04 05 10.82 .25535 1.2436 149.9 20.5 .342 93 2026 07 21 03 21 44 05.072 -04 04 44.90 .25482 1.2431 149.9 20.5 .354 93 2026 07 21 04 21 44 11.895 -04 04 18.92 .25428 1.2426 149.9 20.5 .366 93 2026 07 21 05 21 44 18.741 -04 03 52.87 .25374 1.2422 149.9 20.5 .378 94 2026 07 21 06 21 44 25.611 -04 03 26.76 .25321 1.2417 149.9 20.5 .391 94 2026 07 21 07 21 44 32.506 -04 03 00.60 .25267 1.2412 149.9 20.5 .404 95 2026 07 21 08 21 44 39.424 -04 02 34.36 .25214 1.2408 150.0 20.5 .418 95 2026 07 21 09 21 44 46.367 -04 02 08.07 .25160 1.2403 150.0 20.4 .432 95 2026 07 21 10 21 44 53.335 -04 01 41.72 .25107 1.2398 150.0 20.4 .446 95 2026 07 21 11 21 45 00.327 -04 01 15.30 .25053 1.2393 150.0 20.4 .460 96 2026 07 21 12 21 45 07.344 -04 00 48.81 .25000 1.2389 150.0 20.4 .475 96 2026 07 21 13 21 45 14.386 -04 00 22.27 .24947 1.2384 150.0 20.4 .490 96 2026 07 21 14 21 45 21.454 -03 59 55.65 .24893 1.2379 150.0 20.4 .505 96 2026 07 21 15 21 45 28.546 -03 59 28.98 .24840 1.2374 150.0 20.4 .521 97 2026 07 21 16 21 45 35.665 -03 59 02.23 .24786 1.2370 150.0 20.4 .536 97 2026 07 21 17 21 45 42.809 -03 58 35.42 .24733 1.2365 150.0 20.4 .553 97 2026 07 21 18 21 45 49.978 -03 58 08.55 .24680 1.2360 150.1 20.4 .569 97