"Pseudo-MPEC" for P12mbyo
Created 2026 Mar 10 7:35:19 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12mbyo 0C2026 02 16.59103414 03 05.376-15 09 34.15 ~35G5 21.11GVNEOCPF52
P12mbyo 0C2026 02 16.60221614 03 07.388-15 10 15.26 ~35G5 21.02GVNEOCPF52
P12mbyo 0C2026 02 16.61329314 03 09.386-15 10 55.00 ~35G5 21.17GVNEOCPF52
P12mbyo 0C2026 02 16.62440614 03 11.380-15 11 34.67 ~35G5 21.20GVNEOCPF52
P12mbyo*0C2026 02 26.57329914 38 28.241-26 23 30.84 ~2QFZ 21.17wXNEOCPF51
P12mbyo 0C2026 02 26.58307814 38 30.553-26 24 14.23 ~2QG5 20.85GVNEOCPF51
P12mbyo 0C2026 02 26.59297714 38 32.897-26 24 58.71 ~2QG5 21.16GVNEOCPF51
P12mbyo 0C2026 02 26.60278814 38 35.217-26 25 42.76 ~2QFZ 20.96wXNEOCPF51
P12mbyo 0C2026 02 26.65489014 38 47.514-26 29 34.42 ~2QJK 20.42GVNEOCPF51
P12mbyo 0C2026 02 26.65553314 38 47.682-26 29 37.69 ~2QJK 21.18GVNEOCPF51
P12mbyo |C2026 02 27.24838314 41 15.430-27 13 41.80 ~2R6Z 20.9 GVNEOCP807
P12mbyo |C2026 02 27.25203014 41 16.310-27 13 58.20 ~2R6Z 21.2 GVNEOCP807
P12mbyo |C2026 02 27.25567014 41 17.200-27 14 15.00 ~2R6Z 21.1 GVNEOCP807
P12mbyo 1C2026 02 27.50302514 42 18.191-27 33 11.77 ~2RCZ 21.30GVNEOCPI52
P12mbyo 1C2026 02 27.50612514 42 18.911-27 33 25.63 ~2RCZ 20.93GVNEOCPI52
P12mbyo 1C2026 02 27.50922214 42 19.710-27 33 39.35 ~2RCZ 21.22GVNEOCPI52
P12mbyo 1C2026 02 27.51231414 42 20.426-27 33 53.42 ~2RCZ 21.50GVNEOCPI52
P12mbyo |C2026 02 28.27913014 45 36.700-28 31 45.00 ~2S7Z 21.6 GVNEOCP807
P12mbyo |C2026 02 28.28410014 45 37.930-28 32 07.60 ~2S7Z 20.9 GVNEOCP807
P12mbyo |C2026 02 28.28906014 45 39.190-28 32 30.50 ~2S7Z 21.3 GVNEOCP807
Station data:
(807) Cerro Tololo Observatory, La Serena (S30.169133 W70.805900) Chile.
Observer R. Holmes. 0.61-m f/6.5 astrograph + 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.
(I52) Steward Observatory, Mt. Lemmon Station (N32.442570 W110.788920)
US/Arizona. 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. 1.0-m prime focus + CCD.
Orbital elements: P12mbyo
Perihelion 2026 Apr 12.452563 +/- 0.144 TT = 10:51:41.4 (JD 2461142.952563)
Epoch 2026 Feb 28.0 TT = JDT 2461099.5 Earth MOID: 0.2257 AutoNEOCP
M 352.071568174 +/- 0.23 (J2000 ecliptic)
n 0.182461774 +/- 0.00491 Peri. 236.776010 +/- 0.13
a 3.078610787 +/- 0.0552 Node 347.026359 +/- 0.07
e 0.64525993 +/- 0.00599 Incl. 20.353175 +/- 0.06
P 5.40172 H 20.71 G 0.15 U 9.2
q 1.092106583 +/- 0.00115 Q 5.065114991 +/- 0.109
From 20 observations 2026 Feb. 16-28; mean residual 0".18
Residuals in arcseconds: 260216 F52 .08+ .29+ 260226 F51 .11+ .29- 260227 I52 .29- .03- 260216 F52 .02+ .43- 260226 F51 .11- .42+ 260227 I52 .29+ .24+ 260216 F52 .03+ .16- 260226 F51 .11+ .02+ 260227 I52 .22- .14+ 260216 F52 .12- .30+ 260227 807 .05+ .15- 260228 807 .08+ .19- 260226 F51 .09- .18- 260227 807 .07- .01+ 260228 807 .17- .08+ 260226 F51 .04- .16+ 260227 807 .04- .25- 260228 807 .02+ .01+ 260226 F51 .06+ .07- 260227 I52 .18+ .18- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 03 10 08 15 37 32.230 -41 46 08.95 .41137 1.1750 106.0 21.1 6.25 173 2026 03 10 09 15 37 47.753 -41 49 25.98 .41128 1.1748 106.0 21.1 6.30 172 2026 03 10 10 15 38 03.302 -41 52 42.93 .41118 1.1746 106.0 21.1 6.35 172 2026 03 10 11 15 38 18.876 -41 55 59.81 .41109 1.1744 105.9 21.1 6.40 172 2026 03 10 12 15 38 34.476 -41 59 16.61 .41100 1.1743 105.9 21.1 6.44 172 2026 03 10 13 15 38 50.101 -42 02 33.33 .41091 1.1741 105.9 21.1 6.49 172 2026 03 10 14 15 39 05.752 -42 05 49.97 .41082 1.1739 105.8 21.1 6.54 172 2026 03 10 15 15 39 21.428 -42 09 06.53 .41072 1.1737 105.8 21.1 6.60 171 2026 03 10 16 15 39 37.130 -42 12 23.01 .41063 1.1735 105.8 21.1 6.65 171 2026 03 10 17 15 39 52.857 -42 15 39.41 .41054 1.1733 105.8 21.1 6.70 171 2026 03 10 18 15 40 08.610 -42 18 55.72 .41046 1.1731 105.7 21.1 6.75 171 2026 03 10 19 15 40 24.389 -42 22 11.95 .41037 1.1729 105.7 21.1 6.80 171 2026 03 10 20 15 40 40.194 -42 25 28.09 .41028 1.1727 105.7 21.1 6.85 171 2026 03 10 21 15 40 56.025 -42 28 44.14 .41019 1.1725 105.7 21.1 6.90 171 2026 03 10 22 15 41 11.881 -42 32 00.11 .41010 1.1723 105.6 21.1 6.96 170 2026 03 10 23 15 41 27.764 -42 35 15.98 .41002 1.1721 105.6 21.1 7.01 170 2026 03 11 00 15 41 43.672 -42 38 31.77 .40993 1.1719 105.6 21.1 7.06 170 2026 03 11 01 15 41 59.607 -42 41 47.46 .40985 1.1717 105.6 21.1 7.11 170 2026 03 11 02 15 42 15.567 -42 45 03.07 .40976 1.1715 105.5 21.1 7.17 170 2026 03 11 03 15 42 31.554 -42 48 18.58 .40968 1.1713 105.5 21.1 7.22 170 2026 03 11 04 15 42 47.567 -42 51 34.00 .40960 1.1711 105.5 21.1 7.27 169 2026 03 11 05 15 43 03.606 -42 54 49.32 .40951 1.1709 105.4 21.1 7.33 169 2026 03 11 06 15 43 19.672 -42 58 04.54 .40943 1.1707 105.4 21.1 7.38 169 2026 03 11 07 15 43 35.764 -43 01 19.67 .40935 1.1705 105.4 21.1 7.44 169 2026 03 11 08 15 43 51.882 -43 04 34.70 .40927 1.1704 105.4 21.1 7.49 169 2026 03 11 09 15 44 08.026 -43 07 49.63 .40919 1.1702 105.3 21.1 7.55 169 2026 03 11 10 15 44 24.198 -43 11 04.46 .40911 1.1700 105.3 21.1 7.60 169 2026 03 11 11 15 44 40.395 -43 14 19.19 .40903 1.1698 105.3 21.1 7.66 168 2026 03 11 12 15 44 56.619 -43 17 33.82 .40895 1.1696 105.3 21.1 7.72 168 2026 03 11 13 15 45 12.870 -43 20 48.35 .40887 1.1694 105.2 21.1 7.77 168 2026 03 11 14 15 45 29.148 -43 24 02.77 .40880 1.1692 105.2 21.1 7.83 168 2026 03 11 15 15 45 45.452 -43 27 17.08 .40872 1.1690 105.2 21.1 7.89 168 2026 03 11 16 15 46 01.783 -43 30 31.29 .40864 1.1688 105.2 21.1 7.94 168 2026 03 11 17 15 46 18.141 -43 33 45.40 .40857 1.1686 105.1 21.1 8.00 168 2026 03 11 18 15 46 34.525 -43 36 59.39 .40849 1.1684 105.1 21.1 8.06 167 2026 03 11 19 15 46 50.937 -43 40 13.27 .40842 1.1682 105.1 21.1 8.12 167 2026 03 11 20 15 47 07.375 -43 43 27.05 .40834 1.1681 105.0 21.1 8.17 167 2026 03 11 21 15 47 23.840 -43 46 40.71 .40827 1.1679 105.0 21.1 8.23 167 2026 03 11 22 15 47 40.333 -43 49 54.26 .40820 1.1677 105.0 21.1 8.29 167 2026 03 11 23 15 47 56.852 -43 53 07.70 .40813 1.1675 105.0 21.1 8.35 167 2026 03 12 00 15 48 13.399 -43 56 21.02 .40805 1.1673 104.9 21.1 8.41 167 2026 03 12 01 15 48 29.973 -43 59 34.23 .40798 1.1671 104.9 21.1 8.47 166 2026 03 12 02 15 48 46.574 -44 02 47.32 .40791 1.1669 104.9 21.1 8.53 166 2026 03 12 03 15 49 03.202 -44 06 00.29 .40784 1.1667 104.9 21.1 8.59 166 2026 03 12 04 15 49 19.858 -44 09 13.15 .40777 1.1665 104.8 21.1 8.65 166 2026 03 12 05 15 49 36.540 -44 12 25.88 .40771 1.1664 104.8 21.1 8.71 166 2026 03 12 06 15 49 53.251 -44 15 38.50 .40764 1.1662 104.8 21.1 8.77 166 2026 03 12 07 15 50 09.988 -44 18 50.99 .40757 1.1660 104.7 21.1 8.83 166