"Pseudo-MPEC" for P12r4oJ
Created 2026 Oct 8 4:35:23 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12r4oJ 1C2026 09 22.34056000 36 04.396+44 57 41.15 ~A84Z 22.43GVNEOCPG96
P12r4oJ 1C2026 09 22.34683600 36 04.000+44 57 40.90 ~A84Z 22.34GVNEOCPG96
P12r4oJ 1C2026 09 22.35310900 36 03.496+44 57 40.54 ~A84Z 21.87GVNEOCPG96
P12r4oJ*0C2026 10 06.41107800 19 04.387+43 52 53.84 ~A6Co 21.61wXNEOCPF51
P12r4oJ 0C2026 10 06.42246200 19 03.498+43 52 47.64 ~A6Co 22.20wXNEOCPF51
P12r4oJ 0C2026 10 06.43399400 19 02.596+43 52 40.95 ~A6Co 21.90wXNEOCPF51
P12r4oJ 0C2026 10 06.54882100 18 53.819+43 51 34.84 ~A6No 21.35GVNEOCPF52
P12r4oJ 0C2026 10 06.54967900 18 53.740+43 51 34.39 ~A6No 21.28GVNEOCPF52
P12r4oJ !C2026 10 07.29204900 18 01.015+43 44 27.46 ~A77o 21.3 GWNEOCP673
P12r4oJ !C2026 10 07.31423600 17 59.345+43 44 14.42 ~A77o 21.4 GWNEOCP673
P12r4oJ KC2026 10 08.10251000 17 03.73 +43 36 15.8 ~A83K 21.7 GVNEOCPH21
P12r4oJ KC2026 10 08.10810600 17 03.30 +43 36 12.4 ~A83K 22.2 GVNEOCPH21
P12r4oJ KC2026 10 08.11370000 17 02.87 +43 36 09.7 ~A83K 21.7 GVNEOCPH21
P12r4oJ KC2026 10 08.11705700 17 02.65 +43 36 07.4 ~A83K 21.8 GVNEOCPH21
Station data:
(673) Table Mountain Observatory, Wrightwood (N34.381485 W117.682170)
US/California. Observers J. Chesley, J. Pittichova. Measurer W. M. Owen
Jr. 0.61-m f/16 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.
(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.
(G96) Mt. Lemmon Survey (N32.442729 W110.788720)
US/Arizona. Observer E. J. Christensen. 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. 1.5-m reflector + 10K
CCD.
(H21) Astronomical Research Observatory, Westfield (N39.483054 W87.968270)
US/Illinois. Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T.
Linder, R. Holmes. 0.40-m f/5.32 astrograph + CCD.
Orbital elements: P12r4oJ
Perihelion 2026 Apr 21.471671 +/- 0.413 TT = 11:19:12.3 (JD 2461151.971671)
Epoch 2026 Oct 8.0 TT = JDT 2461321.5 Earth MOID: 0.7714 AutoNEOCP
M 66.034260594 +/- 0.13 (J2000 ecliptic)
n 0.389517557 +/- 0.000186 Peri. 38.031069 +/- 0.18
a 1.856883643 +/- 0.000592 Node 268.751564 +/- 0.052
e 0.04385720 +/- 0.00093 Incl. 19.342574 +/- 0.012
P 2.530/924.203d H 19.77 G 0.15 U 7.0
q 1.775445918 +/- 0.0015 Q 1.938321368 +/- 0.00213
From 14 observations 2026 Sept. 22-Oct. 8; mean residual 0".19
Residuals in arcseconds: 260922 G96 .23- .28+ 261006 F51 .08- .15- 261008 H21 .14+ .18- 260922 G96 .38+ .03+ 261006 F52 .06+ .06+ 261008 H21 .02- .23- 260922 G96 .15- .31- 261006 F52 .10- .12+ 261008 H21 .18- .44+ 261006 F51 .11+ .08- 261007 673 .13- .26- 261008 H21 .14+ .16+ 261006 F51 .03+ .07+ 261007 673 .07+ .19- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 10 08 05 00 16 55.809 +43 35 10.59 .93691 1.8270 141.3 21.9 .233 146 2026 10 08 06 00 16 52.864 +43 34 44.58 .93687 1.8270 141.3 21.9 .240 145 2026 10 08 07 00 16 49.921 +43 34 18.50 .93683 1.8270 141.3 21.9 .247 145 2026 10 08 08 00 16 46.979 +43 33 52.36 .93678 1.8270 141.3 21.9 .254 145 2026 10 08 09 00 16 44.039 +43 33 26.15 .93674 1.8271 141.4 21.9 .261 145 2026 10 08 10 00 16 41.102 +43 32 59.88 .93670 1.8271 141.4 21.9 .269 145 2026 10 08 11 00 16 38.165 +43 32 33.54 .93665 1.8271 141.4 21.9 .276 145 2026 10 08 12 00 16 35.231 +43 32 07.14 .93661 1.8271 141.4 21.9 .283 145 2026 10 08 13 00 16 32.299 +43 31 40.67 .93657 1.8271 141.4 21.9 .290 145 2026 10 08 14 00 16 29.369 +43 31 14.14 .93653 1.8272 141.4 21.9 .297 145 2026 10 08 15 00 16 26.440 +43 30 47.55 .93649 1.8272 141.4 21.9 .305 145 2026 10 08 16 00 16 23.513 +43 30 20.89 .93644 1.8272 141.4 21.9 .312 145 2026 10 08 17 00 16 20.589 +43 29 54.16 .93640 1.8272 141.5 21.9 .319 145 2026 10 08 18 00 16 17.666 +43 29 27.37 .93636 1.8273 141.5 21.9 .327 145 2026 10 08 19 00 16 14.745 +43 29 00.52 .93632 1.8273 141.5 21.9 .334 145 2026 10 08 20 00 16 11.826 +43 28 33.61 .93628 1.8273 141.5 21.9 .341 145 2026 10 08 21 00 16 08.909 +43 28 06.62 .93624 1.8273 141.5 21.9 .349 145 2026 10 08 22 00 16 05.994 +43 27 39.58 .93620 1.8273 141.5 21.9 .356 145 2026 10 08 23 00 16 03.081 +43 27 12.47 .93616 1.8274 141.5 21.9 .364 144 2026 10 09 00 00 16 00.170 +43 26 45.30 .93612 1.8274 141.5 21.9 .371 144 2026 10 09 01 00 15 57.261 +43 26 18.06 .93609 1.8274 141.6 21.9 .379 144 2026 10 09 02 00 15 54.354 +43 25 50.76 .93605 1.8274 141.6 21.9 .386 144 2026 10 09 03 00 15 51.449 +43 25 23.39 .93601 1.8275 141.6 21.9 .394 144 2026 10 09 04 00 15 48.546 +43 24 55.97 .93597 1.8275 141.6 21.9 .402 144 2026 10 09 05 00 15 45.645 +43 24 28.47 .93593 1.8275 141.6 21.9 .409 144 2026 10 09 06 00 15 42.746 +43 24 00.92 .93590 1.8275 141.6 21.9 .417 144 2026 10 09 07 00 15 39.850 +43 23 33.30 .93586 1.8275 141.6 21.9 .425 144 2026 10 09 08 00 15 36.955 +43 23 05.62 .93582 1.8276 141.6 21.9 .433 144 2026 10 09 09 00 15 34.062 +43 22 37.87 .93579 1.8276 141.7 21.9 .440 144 2026 10 09 10 00 15 31.172 +43 22 10.06 .93575 1.8276 141.7 21.9 .448 144 2026 10 09 11 00 15 28.283 +43 21 42.19 .93572 1.8276 141.7 21.9 .456 144 2026 10 09 12 00 15 25.397 +43 21 14.25 .93568 1.8276 141.7 21.9 .464 144 2026 10 09 13 00 15 22.513 +43 20 46.25 .93565 1.8277 141.7 21.9 .472 144 2026 10 09 14 00 15 19.631 +43 20 18.19 .93561 1.8277 141.7 21.9 .480 144 2026 10 09 15 00 15 16.751 +43 19 50.06 .93558 1.8277 141.7 21.9 .488 144 2026 10 09 16 00 15 13.873 +43 19 21.87 .93554 1.8277 141.7 21.9 .496 144 2026 10 09 17 00 15 10.998 +43 18 53.62 .93551 1.8278 141.8 21.9 .504 144 2026 10 09 18 00 15 08.125 +43 18 25.31 .93548 1.8278 141.8 21.9 .512 143 2026 10 09 19 00 15 05.253 +43 17 56.93 .93544 1.8278 141.8 21.9 .520 143 2026 10 09 20 00 15 02.384 +43 17 28.49 .93541 1.8278 141.8 21.9 .528 143 2026 10 09 21 00 14 59.518 +43 16 59.99 .93538 1.8278 141.8 21.9 .537 143 2026 10 09 22 00 14 56.653 +43 16 31.42 .93534 1.8279 141.8 21.9 .545 143 2026 10 09 23 00 14 53.791 +43 16 02.79 .93531 1.8279 141.8 21.9 .553 143 2026 10 10 00 00 14 50.931 +43 15 34.10 .93528 1.8279 141.8 21.9 .561 143 2026 10 10 01 00 14 48.073 +43 15 05.35 .93525 1.8279 141.8 21.9 .570 143 2026 10 10 02 00 14 45.218 +43 14 36.53 .93522 1.8280 141.9 21.9 .578 143 2026 10 10 03 00 14 42.365 +43 14 07.65 .93519 1.8280 141.9 21.9 .586 143 2026 10 10 04 00 14 39.514 +43 13 38.71 .93516 1.8280 141.9 21.9 .595 143