"Pseudo-MPEC" for P12rRLc
Created 2026 Nov 9 18:35:13 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12rRLc 0C2025 10 02.51881904 35 35.080+27 37 19.39 ~B72Zx23.65GVNEOCPF52
P12rRLc 0C2025 10 02.52834904 35 35.024+27 37 20.94 ~B72Zx24.33GVNEOCPF52
P12rRLc KB2025 10 19.15320204 32 47.904+28 16 09.99 ~B8E5 22.0 GXNEOCPW62
P12rRLc KB2025 10 19.18669004 32 47.394+28 16 15.08 ~B8E5 22.1 GXNEOCPW62
P12rRLc 0C2025 11 15.37334304 21 08.049+29 01 37.34 ~B72Zx22.39GVNEOCPF52
P12rRLc 0C2025 11 15.39768504 21 07.267+29 01 38.92 ~B72Zx22.75GVNEOCPF52
P12rRLc 0C2025 11 15.40989404 21 06.829+29 01 39.80 ~B72Zx23.44GVNEOCPF52
P12rRLc 0C2025 12 12.48120504 05 23.494+29 17 07.69 ~B72Z 22.50GVNEOCPF52
P12rRLc 0C2025 12 12.49219804 05 23.091+29 17 07.87 ~B72Z 23.60GVNEOCPF52
P12rRLc 0C2025 12 12.50320004 05 22.749+29 17 07.72 ~B72Z 22.50GVNEOCPF52
P12rRLc 0C2025 12 12.51436504 05 22.384+29 17 07.77 ~B72Z 21.90GVNEOCPF52
P12rRLc 0C2025 12 25.24458803 58 50.106+29 16 11.41 ~B72Z 22.82GVNEOCPF51
P12rRLc 0C2025 12 25.25430303 58 49.838+29 16 11.36 ~B72Z 22.53GVNEOCPF51
P12rRLc 0C2025 12 25.26432403 58 49.544+29 16 11.31 ~B72Z 23.23GVNEOCPF51
P12rRLc*0C2026 11 06.54828907 48 20.694+38 36 17.22 ~B6J5 21.55wXNEOCPF51
P12rRLc 0C2026 11 06.56031607 48 20.869+38 36 20.41 ~B6J5 21.55wXNEOCPF51
P12rRLc 0C2026 11 06.57220407 48 21.069+38 36 23.68 ~B6J5 21.01wXNEOCPF51
P12rRLc KB2026 11 07.97875 07 48 42.25 +38 42 41.8 ~B89Z 20.6 GXNEOCPG00
P12rRLc KB2026 11 07.98911 07 48 42.42 +38 42 44.6 ~B89Z 20.6 GXNEOCPG00
P12rRLc KB2026 11 07.99951 07 48 42.56 +38 42 47.4 ~B89Z 20.7 GXNEOCPG00
P12rRLc KB2026 11 08.99360 07 48 56.34 +38 47 18.9 ~B9GK 20.2 GXNEOCPG00
P12rRLc KB2026 11 09.00391 07 48 56.47 +38 47 21.9 ~B9GK 20.5 GXNEOCPG00
P12rRLc KB2026 11 09.01793 07 48 56.64 +38 47 26.0 ~B9GK 20.2 GXNEOCPG00
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.
(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.
(G00) AZM Martinsberg, Oed (N48.381561 E15.126000) Austria. Observers M.
Jaeger, E. Prosperi, S. Prosperi. Measurer M. Jaeger. 0.28-m f/2.2
reflector + CCD.
(W62) Comet Hunter Observatory2, New Ringgold (N40.745185 W75.862390)
US/Pennsylvania. Observer J. Maikner. 0.30-m f/3.8 Riccardi-Honders + CCD.
Orbital elements: P12rRLc
Perihelion 2027 Aug 3.909918 +/- 0.0517 TT = 21:50:16.8 (JD 2461621.409918)
Epoch 2026 Nov 9.0 TT = JDT 2461353.5 Ju: 0.5486 AutoNEOCP
M 348.445272016 +/- 0.0022 (J2000 ecliptic)
n 0.043129153 +/- 4.32e-6 Peri. 87.096360 +/- 0.008
a 8.052957850 +/- 0.000538 Node 47.757012 +/- 0.00019
e 0.44947931 +/- 5.4e-5 Incl. 19.327213 +/- 0.00006
P 22.85247 H 14.61 G 0.15 U 4.5
q 4.433319847 +/- 0.000224 Q 11.67259585 +/- 0.00118
18 of 23 observations 2025 Oct. 19-2026 Nov. 9; mean residual 0".24
Residuals in arcseconds: 251002 F52( 2.4+ 1.7+) 251212 F52 .46- .12+ 261106 F51 .21+ .08+ 251002 F52( 2.2+ 1.8+) 251212 F52 .01- .03- 261107 G00 .57- .16- 251019 W62 .23- .28- 251212 F52 .21+ .01+ 261107 G00 .28- .23- 251019 W62 .55+ .41+ 251225 F51 .08+ .06- 261107 G00 .33- .31- 251115 F52( 1.2- .16-) 251225 F51 .17+ .03- 261108 G00 .16+ .47- 251115 F52( .71- .30-) 251225 F51 .02+ .01+ 261109 G00 .13+ .35- 251115 F52( 1.0- .27-) 261106 F51 .02- .11+ 261109 G00 .02+ .16- 251212 F52 .11- .05- 261106 F51 .07- .03+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 11 09 19 07 49 06.510 +38 51 00.11 4.1752 4.6641 113.8 21.7 .045 67 2026 11 09 20 07 49 07.029 +38 51 11.64 4.1746 4.6640 113.9 21.7 .046 67 2026 11 09 21 07 49 07.546 +38 51 23.17 4.1740 4.6640 113.9 21.7 .046 67 2026 11 09 22 07 49 08.061 +38 51 34.72 4.1734 4.6639 113.9 21.7 .047 67 2026 11 09 23 07 49 08.574 +38 51 46.26 4.1728 4.6638 114.0 21.7 .048 67 2026 11 10 00 07 49 09.086 +38 51 57.81 4.1722 4.6638 114.0 21.7 .048 67 2026 11 10 01 07 49 09.595 +38 52 09.36 4.1716 4.6637 114.0 21.7 .049 67 2026 11 10 02 07 49 10.103 +38 52 20.92 4.1709 4.6636 114.1 21.7 .049 67 2026 11 10 03 07 49 10.609 +38 52 32.49 4.1703 4.6635 114.1 21.7 .050 67 2026 11 10 04 07 49 11.113 +38 52 44.05 4.1697 4.6635 114.2 21.7 .051 67 2026 11 10 05 07 49 11.616 +38 52 55.63 4.1691 4.6634 114.2 21.7 .051 67 2026 11 10 06 07 49 12.116 +38 53 07.20 4.1685 4.6633 114.2 21.7 .052 67 2026 11 10 07 07 49 12.615 +38 53 18.78 4.1679 4.6633 114.3 21.7 .052 67 2026 11 10 08 07 49 13.112 +38 53 30.37 4.1673 4.6632 114.3 21.7 .053 68 2026 11 10 09 07 49 13.607 +38 53 41.96 4.1667 4.6631 114.3 21.7 .054 68 2026 11 10 10 07 49 14.100 +38 53 53.55 4.1661 4.6631 114.4 21.7 .054 68 2026 11 10 11 07 49 14.592 +38 54 05.15 4.1654 4.6630 114.4 21.7 .055 68 2026 11 10 12 07 49 15.081 +38 54 16.75 4.1648 4.6629 114.5 21.7 .056 68 2026 11 10 13 07 49 15.569 +38 54 28.36 4.1642 4.6629 114.5 21.7 .056 68 2026 11 10 14 07 49 16.055 +38 54 39.97 4.1636 4.6628 114.5 21.7 .057 68 2026 11 10 15 07 49 16.539 +38 54 51.59 4.1630 4.6627 114.6 21.7 .057 68 2026 11 10 16 07 49 17.021 +38 55 03.21 4.1624 4.6627 114.6 21.7 .058 68 2026 11 10 17 07 49 17.502 +38 55 14.83 4.1618 4.6626 114.7 21.7 .059 68 2026 11 10 18 07 49 17.981 +38 55 26.46 4.1612 4.6625 114.7 21.7 .059 68 2026 11 10 19 07 49 18.457 +38 55 38.10 4.1606 4.6624 114.7 21.7 .060 68 2026 11 10 20 07 49 18.932 +38 55 49.74 4.1600 4.6624 114.8 21.7 .060 68 2026 11 10 21 07 49 19.406 +38 56 01.38 4.1594 4.6623 114.8 21.7 .061 68 2026 11 10 22 07 49 19.877 +38 56 13.02 4.1588 4.6622 114.8 21.7 .062 68 2026 11 10 23 07 49 20.347 +38 56 24.68 4.1581 4.6622 114.9 21.7 .062 68 2026 11 11 00 07 49 20.814 +38 56 36.33 4.1575 4.6621 114.9 21.7 .063 68 2026 11 11 01 07 49 21.280 +38 56 47.99 4.1569 4.6620 115.0 21.7 .064 68 2026 11 11 02 07 49 21.744 +38 56 59.65 4.1563 4.6620 115.0 21.7 .064 68 2026 11 11 03 07 49 22.206 +38 57 11.32 4.1557 4.6619 115.0 21.7 .065 68 2026 11 11 04 07 49 22.667 +38 57 23.00 4.1551 4.6618 115.1 21.7 .065 68 2026 11 11 05 07 49 23.125 +38 57 34.67 4.1545 4.6618 115.1 21.7 .066 68 2026 11 11 06 07 49 23.582 +38 57 46.35 4.1539 4.6617 115.1 21.7 .067 68 2026 11 11 07 07 49 24.037 +38 57 58.04 4.1533 4.6616 115.2 21.7 .067 69 2026 11 11 08 07 49 24.490 +38 58 09.73 4.1527 4.6616 115.2 21.7 .068 69 2026 11 11 09 07 49 24.941 +38 58 21.42 4.1521 4.6615 115.3 21.7 .068 69 2026 11 11 10 07 49 25.391 +38 58 33.12 4.1515 4.6614 115.3 21.7 .069 69 2026 11 11 11 07 49 25.838 +38 58 44.83 4.1509 4.6613 115.3 21.7 .070 69 2026 11 11 12 07 49 26.284 +38 58 56.53 4.1503 4.6613 115.4 21.7 .070 69 2026 11 11 13 07 49 26.728 +38 59 08.25 4.1497 4.6612 115.4 21.7 .071 69 2026 11 11 14 07 49 27.170 +38 59 19.96 4.1491 4.6611 115.5 21.7 .072 69 2026 11 11 15 07 49 27.610 +38 59 31.68 4.1485 4.6611 115.5 21.7 .072 69 2026 11 11 16 07 49 28.049 +38 59 43.41 4.1478 4.6610 115.5 21.7 .073 69 2026 11 11 17 07 49 28.485 +38 59 55.13 4.1472 4.6609 115.6 21.7 .073 69 2026 11 11 18 07 49 28.920 +39 00 06.87 4.1466 4.6609 115.6 21.7 .074 69