"Pseudo-MPEC" for P12rRLb
Created 2026 Nov 8 20:35:16 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12rRLb KB2025 10 19.15878304 32 58.484+28 17 19.29 ~B8DZ 22.1 GXNEOCPW62
P12rRLb KB2025 10 19.18669004 32 58.003+28 17 23.31 ~B8DZ 22.3 GXNEOCPW62
P12rRLb 0C2025 11 02.57667704 27 43.666+28 44 55.70 ~B72Z 23.36GVNEOCPF51
P12rRLb 0C2025 11 02.58733004 27 43.378+28 44 57.08 ~B72Zx23.72GVNEOCPF51
P12rRLb 0C2025 11 15.37334304 21 19.191+29 02 54.38 ~B72Zx23.57GVNEOCPF52
P12rRLb 0C2025 11 15.38551704 21 18.812+29 02 55.51 ~B72Z 24.86GVNEOCPF52
P12rRLb 0C2025 11 15.39768504 21 18.367+29 02 57.03 ~B72Z 23.14GVNEOCPF52
P12rRLb 0C2025 11 15.40989404 21 17.931+29 02 57.11 ~B72Zx23.70GVNEOCPF52
P12rRLb 0C2025 11 26.37507104 14 59.543+29 12 49.20 ~B72Z 23.02GVNEOCPF52
P12rRLb 0C2025 11 26.38542204 14 59.199+29 12 49.72 ~B72Z 22.42GVNEOCPF52
P12rRLb 0C2025 11 26.39584904 14 58.807+29 12 49.87 ~B72Z 23.01GVNEOCPF52
P12rRLb 0C2025 11 30.35686904 12 37.766+29 15 08.49 ~B72Z 21.25GVNEOCPF51
P12rRLb 0C2025 12 25.23489503 59 00.856+29 17 37.01 ~B72Z 23.59GVNEOCPF51
P12rRLb 0C2025 12 25.24458803 59 00.576+29 17 36.63 ~B72Z 22.70GVNEOCPF51
P12rRLb 0C2025 12 25.25430303 59 00.284+29 17 36.50 ~B72Z 23.12GVNEOCPF51
P12rRLb*0C2026 11 06.54828907 48 38.928+38 36 07.33 ~B6J5 20.84wXNEOCPF51
P12rRLb 0C2026 11 06.56031607 48 39.108+38 36 10.43 ~B6J5 20.78wXNEOCPF51
P12rRLb 0C2026 11 06.57220407 48 39.285+38 36 13.72 ~B6J5 21.16wXNEOCPF51
P12rRLb KB2026 11 07.97578 07 49 00.66 +38 42 30.5 ~B89Z 19.7 GXNEOCPG00
P12rRLb KB2026 11 07.98988 07 49 00.83 +38 42 34.8 ~B89Z 20.0 GXNEOCPG00
P12rRLb KB2026 11 08.00321 07 49 00.98 +38 42 39.0 ~B89Z 20.5 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: P12rRLb
Perihelion 2027 Aug 3.420192 +/- 0.0558 TT = 10:05:04.5 (JD 2461620.920192)
Epoch 2026 Nov 8.0 TT = JDT 2461352.5 Ju: 0.5487 AutoNEOCP
M 348.424006997 +/- 0.0022 (J2000 ecliptic)
n 0.043126386 +/- 4.32e-6 Peri. 87.094342 +/- 0.009
a 8.053302277 +/- 0.000538 Node 47.756008 +/- 0.00015
e 0.44950411 +/- 5.76e-5 Incl. 19.326964 +/- 0.00008
P 22.85394 H 15.02 G 0.15 U 4.5
q 4.433309772 +/- 0.000245 Q 11.67329478 +/- 0.00121
18 of 21 observations 2025 Oct. 19-2026 Nov. 8; mean residual 0".42
Residuals in arcseconds: 251019 W62 1.3+ .60- 251115 F52( .41- .58-) 251225 F51 .11+ .13- 251019 W62 1.2+ .25- 251126 F52 .65- .06- 261106 F51 .01- .10+ 251102 F51 .07+ .50+ 251126 F52 .23- .03+ 261106 F51 .02- .06- 251102 F51( .12+ .84+) 251126 F52 .39- .25- 261106 F51 .02- .01+ 251115 F52( .07- .73-) 251130 F51 .28- .02+ 261107 G00 .50+ .49- 251115 F52 .35+ .47- 251225 F51 .42+ .23+ 261107 G00 .16+ .08- 251115 F52 .10- .19+ 251225 F51 .34+ .07- 261108 G00 .27- .43+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 11 08 21 07 49 13.082 +38 46 37.23 4.1888 4.6648 112.9 22.2 .046 52 2026 11 08 22 07 49 13.644 +38 46 48.66 4.1882 4.6647 113.0 22.2 .046 52 2026 11 08 23 07 49 14.205 +38 47 00.09 4.1876 4.6647 113.0 22.2 .047 53 2026 11 09 00 07 49 14.763 +38 47 11.52 4.1870 4.6646 113.0 22.2 .048 53 2026 11 09 01 07 49 15.320 +38 47 22.96 4.1864 4.6645 113.1 22.2 .048 53 2026 11 09 02 07 49 15.875 +38 47 34.40 4.1857 4.6645 113.1 22.2 .049 53 2026 11 09 03 07 49 16.429 +38 47 45.85 4.1851 4.6644 113.1 22.2 .050 54 2026 11 09 04 07 49 16.980 +38 47 57.30 4.1845 4.6643 113.2 22.2 .050 54 2026 11 09 05 07 49 17.530 +38 48 08.76 4.1839 4.6643 113.2 22.2 .051 54 2026 11 09 06 07 49 18.077 +38 48 20.22 4.1833 4.6642 113.3 22.2 .052 54 2026 11 09 07 07 49 18.623 +38 48 31.68 4.1827 4.6641 113.3 22.2 .052 55 2026 11 09 08 07 49 19.168 +38 48 43.15 4.1820 4.6640 113.3 22.2 .053 55 2026 11 09 09 07 49 19.710 +38 48 54.63 4.1814 4.6640 113.4 22.2 .053 55 2026 11 09 10 07 49 20.251 +38 49 06.11 4.1808 4.6639 113.4 22.2 .054 55 2026 11 09 11 07 49 20.789 +38 49 17.59 4.1802 4.6638 113.5 22.2 .055 55 2026 11 09 12 07 49 21.326 +38 49 29.08 4.1796 4.6638 113.5 22.2 .055 56 2026 11 09 13 07 49 21.861 +38 49 40.57 4.1790 4.6637 113.5 22.2 .056 56 2026 11 09 14 07 49 22.395 +38 49 52.07 4.1784 4.6636 113.6 22.2 .057 56 2026 11 09 15 07 49 22.926 +38 50 03.57 4.1777 4.6636 113.6 22.2 .057 56 2026 11 09 16 07 49 23.456 +38 50 15.08 4.1771 4.6635 113.6 22.2 .058 56 2026 11 09 17 07 49 23.984 +38 50 26.59 4.1765 4.6634 113.7 22.2 .059 56 2026 11 09 18 07 49 24.510 +38 50 38.10 4.1759 4.6634 113.7 22.2 .059 57 2026 11 09 19 07 49 25.034 +38 50 49.62 4.1753 4.6633 113.8 22.2 .060 57 2026 11 09 20 07 49 25.557 +38 51 01.15 4.1747 4.6632 113.8 22.2 .061 57 2026 11 09 21 07 49 26.077 +38 51 12.68 4.1741 4.6632 113.8 22.2 .061 57 2026 11 09 22 07 49 26.596 +38 51 24.21 4.1734 4.6631 113.9 22.2 .062 57 2026 11 09 23 07 49 27.113 +38 51 35.75 4.1728 4.6630 113.9 22.2 .063 57 2026 11 10 00 07 49 27.629 +38 51 47.29 4.1722 4.6629 113.9 22.2 .063 58 2026 11 10 01 07 49 28.142 +38 51 58.84 4.1716 4.6629 114.0 22.2 .064 58 2026 11 10 02 07 49 28.653 +38 52 10.39 4.1710 4.6628 114.0 22.2 .065 58 2026 11 10 03 07 49 29.163 +38 52 21.95 4.1704 4.6627 114.1 22.2 .065 58 2026 11 10 04 07 49 29.671 +38 52 33.51 4.1698 4.6627 114.1 22.2 .066 58 2026 11 10 05 07 49 30.177 +38 52 45.07 4.1692 4.6626 114.1 22.2 .067 58 2026 11 10 06 07 49 30.682 +38 52 56.64 4.1685 4.6625 114.2 22.2 .067 58 2026 11 10 07 07 49 31.184 +38 53 08.22 4.1679 4.6625 114.2 22.2 .068 58 2026 11 10 08 07 49 31.685 +38 53 19.80 4.1673 4.6624 114.3 22.2 .069 59 2026 11 10 09 07 49 32.184 +38 53 31.38 4.1667 4.6623 114.3 22.2 .069 59 2026 11 10 10 07 49 32.681 +38 53 42.97 4.1661 4.6623 114.3 22.2 .070 59 2026 11 10 11 07 49 33.176 +38 53 54.56 4.1655 4.6622 114.4 22.2 .071 59 2026 11 10 12 07 49 33.669 +38 54 06.15 4.1649 4.6621 114.4 22.2 .071 59 2026 11 10 13 07 49 34.161 +38 54 17.75 4.1643 4.6621 114.4 22.2 .072 59 2026 11 10 14 07 49 34.651 +38 54 29.36 4.1637 4.6620 114.5 22.2 .073 59 2026 11 10 15 07 49 35.139 +38 54 40.97 4.1631 4.6619 114.5 22.2 .073 59 2026 11 10 16 07 49 35.625 +38 54 52.58 4.1624 4.6618 114.6 22.2 .074 59 2026 11 10 17 07 49 36.109 +38 55 04.20 4.1618 4.6618 114.6 22.2 .075 60 2026 11 10 18 07 49 36.591 +38 55 15.82 4.1612 4.6617 114.6 22.2 .075 60 2026 11 10 19 07 49 37.072 +38 55 27.45 4.1606 4.6616 114.7 22.2 .076 60 2026 11 10 20 07 49 37.551 +38 55 39.08 4.1600 4.6616 114.7 22.2 .077 60