"Pseudo-MPEC" for P12onSj
Created 2026 Jul 27 2:35:10 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12onSj 0C2021 11 07.30165 02 37 50.440-03 17 53.56 ~7R0K 21.9 wUNEOCPF52
P12onSj 0C2021 11 07.31368 02 37 49.691-03 17 50.70 ~7R0K 21.9 wUNEOCPF52
P12onSj 0C2021 11 07.32568 02 37 48.947-03 17 48.10 ~7R0K 21.8 wUNEOCPF52
P12onSj 0C2021 11 07.33772 02 37 48.196-03 17 44.78 ~7R0K 21.8 wUNEOCPF52
P12onSj 0C2021 11 11.35838 02 33 52.274-02 59 36.17 ~7R0K 21.8 wUNEOCPF51
P12onSj 0C2021 11 11.37104 02 33 51.506-02 59 32.36 ~7R0K 21.8 wUNEOCPF51
P12onSj 0C2021 11 11.38385 02 33 50.755-02 59 28.71 ~7R0K 21.8 wUNEOCPF51
P12onSj 0C2021 11 11.39655 02 33 50.005-02 59 24.53 ~7R0K 21.8 wUNEOCPF51
P12onSj 0C2026 06 20.56674522 14 06.291-23 57 10.67 ~7QMo 22.03GVNEOCPF51
P12onSj 0C2026 06 20.57657722 14 07.182-23 57 15.43 ~7QMo 22.05GVNEOCPF51
P12onSj 0C2026 06 20.58640222 14 08.050-23 57 20.12 ~7QMo 21.87GVNEOCPF51
P12onSj 0C2026 06 20.59622022 14 08.878-23 57 24.64 ~7QMo 22.02GVNEOCPF51
P12onSj*0C2026 07 15.51727722 45 31.231-28 26 51.24 ~7NF5 21.22wXNEOCPF51
P12onSj 0C2026 07 15.52766422 45 31.752-28 26 59.54 ~7NF5 21.21wXNEOCPF51
P12onSj 0C2026 07 15.53805622 45 32.295-28 27 07.97 ~7NF5 20.90wXNEOCPF51
P12onSj 0C2026 07 15.54844622 45 32.819-28 27 16.40 ~7NF5 21.04wXNEOCPF51
P12onSj 0C2026 07 15.59317222 45 35.094-28 27 52.48 ~7NF5 20.85GVNEOCPF51
P12onSj 0C2026 07 15.59381922 45 35.133-28 27 52.90 ~7NF5 20.85GVNEOCPF51
P12onSj 3C2026 07 17.51156922 47 17.804-28 53 52.04 ~7NF5 20.90GVNEOCPT14
P12onSj 3C2026 07 17.51254122 47 17.853-28 53 52.90 ~7NF5 21.05GVNEOCPT14
P12onSj 3C2026 07 17.51351322 47 17.897-28 53 53.67 ~7NF5 20.89GVNEOCPT14
P12onSj 0C2026 07 20.54037722 49 44.663-29 35 55.62 ~7NF5 21.26GVNEOCPF51
P12onSj 0C2026 07 20.55150122 49 45.131-29 36 05.09 ~7NF5 21.17GVNEOCPF51
P12onSj 0C2026 07 20.56278022 49 45.591-29 36 14.59 ~7NF5 21.13GVNEOCPF51
P12onSj 0C2026 07 20.57390022 49 46.040-29 36 23.98 ~7NF5 21.34GVNEOCPF51
Station data:
(F51) Pan-STARRS 1, Haleakala (N20.707234 W156.255910) US/Hawaii.
Observers J. Herman, T. Lowe, P. Minguez, A. Schultz, I. Smith, J. Bulger,
K. Chambers, T. Dukes. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk, S. Chastel. 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, J. Bulger,
K. Chambers, T. Dukes. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk, S. Chastel. 1.8-m Ritchey-Chrétien + 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: P12onSj
Perihelion 2026 Aug 14.407229 +/- 0.00211 TT = 9:46:24.6 (JD 2461266.907229)
Epoch 2026 Jul 20.0 TT = JDT 2461241.5 Earth MOID: 0.7778 AutoNEOCP
M 355.218532875 +/- 0.00040 (J2000 ecliptic)
n 0.188193173 +/- 1.43e-7 Peri. 239.157141 +/- 0.0012
a 3.015783352 +/- 1.53e-6 Node 86.932140 +/- 0.00016
e 0.42051380 +/- 6.59e-7 Incl. 13.468177 +/- 0.000035
P 5.23721 H 19.16 G 0.15 U 2.3
q 1.747604824 +/- 2.52e-6 Q 4.283961879 +/- 2.18e-6
From 25 observations 2021 Nov. 7-2026 July 20; mean residual 0".12
Residuals in arcseconds: 211107 F52 .22- .15+ 260620 F51 .23+ .10- 260717 T14 .01- .01+ 211107 F52 .16- .09+ 260620 F51 .19+ .04- 260717 T14 .03+ .04- 211107 F52 .03- .22- 260620 F51 .38- .17+ 260717 T14 .01+ .01- 211107 F52 .04+ .16+ 260715 F51 .06- .01+ 260720 F51 .09- .04+ 211111 F51 .18+ .12- 260715 F51 .18- .14+ 260720 F51 .08+ .03- 211111 F51 .06- .06- 260715 F51 .00 .12+ 260720 F51 .08+ .01- 211111 F51 .09+ .21- 260715 F51 .06- .09+ 260720 F51 .01+ .04- 211111 F51 .16+ .20+ 260715 F51 .02- .05- 260620 F51 .03- .09- 260715 F51 .06+ .05+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 07 27 03 22 54 00.053 -31 10 02.25 .82642 1.7544 144.3 21.0 .034 6 2026 07 27 04 22 54 01.382 -31 10 38.42 .82627 1.7544 144.4 21.0 .034 6 2026 07 27 05 22 54 02.707 -31 11 14.59 .82612 1.7543 144.4 21.0 .034 6 2026 07 27 06 22 54 04.029 -31 11 50.77 .82597 1.7543 144.4 21.0 .034 6 2026 07 27 07 22 54 05.347 -31 12 26.95 .82582 1.7543 144.4 21.0 .034 7 2026 07 27 08 22 54 06.662 -31 13 03.12 .82567 1.7542 144.5 21.0 .034 7 2026 07 27 09 22 54 07.973 -31 13 39.30 .82552 1.7542 144.5 21.0 .034 7 2026 07 27 10 22 54 09.280 -31 14 15.49 .82537 1.7542 144.5 21.0 .034 7 2026 07 27 11 22 54 10.583 -31 14 51.67 .82522 1.7541 144.5 21.0 .034 7 2026 07 27 12 22 54 11.883 -31 15 27.85 .82507 1.7541 144.5 21.0 .034 7 2026 07 27 13 22 54 13.179 -31 16 04.04 .82492 1.7541 144.6 21.0 .034 7 2026 07 27 14 22 54 14.472 -31 16 40.22 .82478 1.7541 144.6 21.0 .034 7 2026 07 27 15 22 54 15.761 -31 17 16.41 .82463 1.7540 144.6 20.9 .035 7 2026 07 27 16 22 54 17.046 -31 17 52.60 .82448 1.7540 144.6 20.9 .035 8 2026 07 27 17 22 54 18.327 -31 18 28.79 .82433 1.7540 144.7 20.9 .035 8 2026 07 27 18 22 54 19.605 -31 19 04.98 .82418 1.7539 144.7 20.9 .035 8 2026 07 27 19 22 54 20.879 -31 19 41.17 .82404 1.7539 144.7 20.9 .035 8 2026 07 27 20 22 54 22.149 -31 20 17.36 .82389 1.7539 144.7 20.9 .035 8 2026 07 27 21 22 54 23.416 -31 20 53.55 .82374 1.7538 144.8 20.9 .035 8 2026 07 27 22 22 54 24.679 -31 21 29.75 .82360 1.7538 144.8 20.9 .035 8 2026 07 27 23 22 54 25.938 -31 22 05.94 .82345 1.7538 144.8 20.9 .035 8 2026 07 28 00 22 54 27.194 -31 22 42.13 .82330 1.7538 144.8 20.9 .035 8 2026 07 28 01 22 54 28.446 -31 23 18.33 .82316 1.7537 144.9 20.9 .035 9 2026 07 28 02 22 54 29.694 -31 23 54.52 .82301 1.7537 144.9 20.9 .035 9 2026 07 28 03 22 54 30.939 -31 24 30.72 .82287 1.7537 144.9 20.9 .035 9 2026 07 28 04 22 54 32.180 -31 25 06.91 .82272 1.7536 144.9 20.9 .036 9 2026 07 28 05 22 54 33.417 -31 25 43.11 .82258 1.7536 144.9 20.9 .036 9 2026 07 28 06 22 54 34.651 -31 26 19.30 .82244 1.7536 145.0 20.9 .036 9 2026 07 28 07 22 54 35.881 -31 26 55.50 .82229 1.7536 145.0 20.9 .036 9 2026 07 28 08 22 54 37.107 -31 27 31.69 .82215 1.7535 145.0 20.9 .036 9 2026 07 28 09 22 54 38.329 -31 28 07.89 .82201 1.7535 145.0 20.9 .036 9 2026 07 28 10 22 54 39.548 -31 28 44.08 .82186 1.7535 145.1 20.9 .036 9 2026 07 28 11 22 54 40.763 -31 29 20.28 .82172 1.7534 145.1 20.9 .036 10 2026 07 28 12 22 54 41.975 -31 29 56.47 .82158 1.7534 145.1 20.9 .036 10 2026 07 28 13 22 54 43.182 -31 30 32.67 .82143 1.7534 145.1 20.9 .036 10 2026 07 28 14 22 54 44.386 -31 31 08.86 .82129 1.7534 145.2 20.9 .036 10 2026 07 28 15 22 54 45.587 -31 31 45.05 .82115 1.7533 145.2 20.9 .036 10 2026 07 28 16 22 54 46.783 -31 32 21.24 .82101 1.7533 145.2 20.9 .036 10 2026 07 28 17 22 54 47.976 -31 32 57.44 .82087 1.7533 145.2 20.9 .037 10 2026 07 28 18 22 54 49.165 -31 33 33.63 .82073 1.7532 145.2 20.9 .037 10 2026 07 28 19 22 54 50.351 -31 34 09.82 .82059 1.7532 145.3 20.9 .037 10 2026 07 28 20 22 54 51.533 -31 34 46.01 .82045 1.7532 145.3 20.9 .037 11 2026 07 28 21 22 54 52.711 -31 35 22.20 .82031 1.7532 145.3 20.9 .037 11 2026 07 28 22 22 54 53.885 -31 35 58.38 .82017 1.7531 145.3 20.9 .037 11 2026 07 28 23 22 54 55.056 -31 36 34.57 .82003 1.7531 145.4 20.9 .037 11 2026 07 29 00 22 54 56.223 -31 37 10.75 .81989 1.7531 145.4 20.9 .037 11 2026 07 29 01 22 54 57.387 -31 37 46.94 .81975 1.7530 145.4 20.9 .037 11 2026 07 29 02 22 54 58.546 -31 38 23.12 .81961 1.7530 145.4 20.9 .037 11