"Pseudo-MPEC" for P12np4H
Created 2026 Jun 16 11:35:06 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12np4H 0C2026 06 13.51023119 53 42.054-30 33 36.08 ~6DEK 20.65GVNEOCPF51
P12np4H*0C2026 06 13.52061319 53 43.452-30 33 22.33 ~6DDK 21.02wXNEOCPF51
P12np4H 0C2026 06 13.52581519 53 44.160-30 33 15.15 ~6DDK 21.12wXNEOCPF51
P12np4H 0C2026 06 13.59029919 53 52.862-30 31 46.31 ~6DGo 20.57GVNEOCPF51
P12np4H 0C2026 06 13.59094719 53 52.942-30 31 45.48 ~6DGo 20.88GVNEOCPF51
P12np4H 3C2026 06 14.48326219 56 05.528-30 11 02.80 ~6ECK 20.37GVNEOCPT14
P12np4H 3C2026 06 14.48423219 56 05.659-30 11 01.41 ~6ECK 20.35GVNEOCPT14
P12np4H 3C2026 06 14.48520219 56 05.788-30 11 00.06 ~6ECK 20.32GVNEOCPT14
P12np4H 0B2026 06 14.99938019 57 21.224-29 58 25.08 ~6F7K WNEOCPM21
P12np4H 0B2026 06 15.02834119 57 25.111-29 57 43.79 ~6F7K 20.6 GWNEOCPM21
P12np4H 0B2026 06 15.09969719 57 34.662-29 56 00.18 ~6F7K WNEOCPM21
P12np4H 0B2026 06 16.08009419 59 57.837-29 31 48.43 ~6G6o 20.6 GWNEOCPM21
P12np4H 0B2026 06 16.10895420 00 01.694-29 31 04.22 ~6G6o WNEOCPM21
P12np4H 0B2026 06 16.13776520 00 05.515-29 30 19.55 ~6G6o WNEOCPM21
P12np4H C2026 06 16.41910820 00 47.136-29 23 36.30 ~6GAZ 20.0 GWNEOCPH01
P12np4H C2026 06 16.42339520 00 47.720-29 23 29.68 ~6GAZ 20.2 GWNEOCPH01
P12np4H C2026 06 16.42680020 00 48.180-29 23 24.35 ~6GAZ 20.5 GWNEOCPH01
P12np4H C2026 06 16.43045220 00 48.667-29 23 18.75 ~6GAZ 20.9 GWNEOCPH01
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.
(H01) Magdalena Ridge Observatory, Socorro (N33.984833 W107.189333) US/New
Mexico. Observers W. H. Ryan, E. V. Ryan. Measurer W. H. Ryan. 2.4-m
f/8.9 reflector + CCD.
(M21) Schiaparelli Southern Observatory, Hakos (S23.236549 E16.361440)
Namibia. Observers A. Aletti, F. Bellini, L. Buzzi, G. Galli. Measurer L.
Buzzi. 0.36-m f/8.4 reflector + 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: P12np4H
Perihelion 2026 Jul 21.885607 +/- 0.0933 TT = 21:15:16.4 (JD 2461243.385607)
Epoch 2026 Jun 16.0 TT = JDT 2461207.5 Earth MOID: 0.2102 AutoNEOCP
M 350.221682047 +/- 0.11 (J2000 ecliptic)
n 0.272485786 +/- 0.00258 Peri. 14.110412 +/- 0.09
a 2.356351891 +/- 0.0149 Node 288.132293 +/- 0.027
e 0.48059866 +/- 0.00283 Incl. 7.245881 +/- 0.021
P 3.61710 H 21.63 G 0.15 U 8.7
q 1.223892310 +/- 0.00108 Q 3.488811473 +/- 0.0287
From 18 observations 2026 June 13-16; mean residual 0".09
Residuals in arcseconds: 260613 F51 .01+ .16+ 260614 T14 .01+ .01+ 260616 M21 .23+ .04- 260613 F51 .03- .13- 260614 T14 .01- .01+ 260616 M21 .18- .08+ 260613 F51 .06+ .01- 260614 M21 .01- .05+ 260616 H01 .16- .02- 260613 F51 .02+ .03+ 260615 M21 .04+ .01+ 260616 H01 .01- .00 260613 F51 .08- .04- 260615 M21 .17+ .24- 260616 H01 .05+ .08+ 260614 T14 .00 .02- 260616 M21 .02- .07- 260616 H01 .04+ .04+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 06 16 12 20 00 59.137 -29 21 06.63 .30198 1.2810 147.6 20.7 .152 171 2026 06 16 13 20 01 05.179 -29 20 02.70 .30179 1.2809 147.6 20.7 .157 171 2026 06 16 14 20 01 11.219 -29 18 58.67 .30160 1.2808 147.6 20.7 .162 172 2026 06 16 15 20 01 17.258 -29 17 54.53 .30141 1.2806 147.6 20.7 .166 172 2026 06 16 16 20 01 23.295 -29 16 50.30 .30122 1.2805 147.7 20.7 .172 172 2026 06 16 17 20 01 29.330 -29 15 45.96 .30103 1.2804 147.7 20.7 .177 172 2026 06 16 18 20 01 35.364 -29 14 41.53 .30085 1.2803 147.7 20.7 .182 173 2026 06 16 19 20 01 41.396 -29 13 36.99 .30066 1.2801 147.7 20.7 .188 173 2026 06 16 20 20 01 47.427 -29 12 32.35 .30047 1.2800 147.7 20.7 .193 173 2026 06 16 21 20 01 53.456 -29 11 27.62 .30028 1.2799 147.7 20.7 .199 173 2026 06 16 22 20 01 59.483 -29 10 22.78 .30010 1.2797 147.8 20.7 .205 173 2026 06 16 23 20 02 05.509 -29 09 17.84 .29991 1.2796 147.8 20.7 .211 174 2026 06 17 00 20 02 11.534 -29 08 12.80 .29972 1.2795 147.8 20.7 .217 174 2026 06 17 01 20 02 17.556 -29 07 07.66 .29954 1.2794 147.8 20.7 .223 174 2026 06 17 02 20 02 23.577 -29 06 02.41 .29935 1.2792 147.8 20.7 .230 174 2026 06 17 03 20 02 29.597 -29 04 57.07 .29917 1.2791 147.8 20.7 .236 174 2026 06 17 04 20 02 35.615 -29 03 51.63 .29898 1.2790 147.9 20.7 .243 175 2026 06 17 05 20 02 41.631 -29 02 46.08 .29879 1.2789 147.9 20.7 .250 175 2026 06 17 06 20 02 47.646 -29 01 40.43 .29861 1.2787 147.9 20.7 .257 175 2026 06 17 07 20 02 53.659 -29 00 34.68 .29842 1.2786 147.9 20.7 .264 175 2026 06 17 08 20 02 59.670 -28 59 28.83 .29824 1.2785 147.9 20.7 .271 175 2026 06 17 09 20 03 05.680 -28 58 22.88 .29806 1.2783 147.9 20.7 .278 176 2026 06 17 10 20 03 11.688 -28 57 16.83 .29787 1.2782 148.0 20.7 .286 176 2026 06 17 11 20 03 17.694 -28 56 10.68 .29769 1.2781 148.0 20.7 .294 176 2026 06 17 12 20 03 23.699 -28 55 04.42 .29750 1.2780 148.0 20.7 .301 176 2026 06 17 13 20 03 29.702 -28 53 58.07 .29732 1.2778 148.0 20.7 .309 176 2026 06 17 14 20 03 35.704 -28 52 51.61 .29714 1.2777 148.0 20.7 .317 176 2026 06 17 15 20 03 41.704 -28 51 45.05 .29695 1.2776 148.0 20.7 .326 176 2026 06 17 16 20 03 47.702 -28 50 38.39 .29677 1.2775 148.1 20.7 .334 177 2026 06 17 17 20 03 53.699 -28 49 31.63 .29659 1.2773 148.1 20.7 .342 177 2026 06 17 18 20 03 59.694 -28 48 24.76 .29640 1.2772 148.1 20.7 .351 177 2026 06 17 19 20 04 05.687 -28 47 17.80 .29622 1.2771 148.1 20.7 .360 177 2026 06 17 20 20 04 11.678 -28 46 10.73 .29604 1.2770 148.1 20.7 .369 177 2026 06 17 21 20 04 17.668 -28 45 03.56 .29586 1.2768 148.1 20.7 .378 177 2026 06 17 22 20 04 23.657 -28 43 56.29 .29568 1.2767 148.2 20.7 .387 177 2026 06 17 23 20 04 29.643 -28 42 48.92 .29549 1.2766 148.2 20.7 .396 177 2026 06 18 00 20 04 35.628 -28 41 41.45 .29531 1.2765 148.2 20.7 .406 178 2026 06 18 01 20 04 41.612 -28 40 33.87 .29513 1.2763 148.2 20.7 .415 178 2026 06 18 02 20 04 47.593 -28 39 26.19 .29495 1.2762 148.2 20.7 .425 178 2026 06 18 03 20 04 53.573 -28 38 18.42 .29477 1.2761 148.2 20.7 .435 178 2026 06 18 04 20 04 59.551 -28 37 10.53 .29459 1.2760 148.3 20.7 .445 178 2026 06 18 05 20 05 05.528 -28 36 02.55 .29441 1.2758 148.3 20.6 .455 178 2026 06 18 06 20 05 11.503 -28 34 54.47 .29423 1.2757 148.3 20.6 .466 178 2026 06 18 07 20 05 17.476 -28 33 46.28 .29405 1.2756 148.3 20.6 .476 178 2026 06 18 08 20 05 23.447 -28 32 37.99 .29387 1.2755 148.3 20.6 .487 178 2026 06 18 09 20 05 29.417 -28 31 29.60 .29369 1.2753 148.3 20.6 .498 178 2026 06 18 10 20 05 35.385 -28 30 21.11 .29351 1.2752 148.4 20.6 .509 179 2026 06 18 11 20 05 41.351 -28 29 12.51 .29333 1.2751 148.4 20.6 .520 179