"Pseudo-MPEC" for P22rf9W
Created 2026 Oct 15 10:35:25 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P22rf9W*0C2026 10 11.53675203 01 07.936+35 30 26.02 ~ADI5 22.00wXNEOCPF52
P22rf9W 0C2026 10 11.54980003 01 08.599+35 30 27.09 ~ADI5 21.43wXNEOCPF52
P22rf9W 0C2026 10 11.56266603 01 09.258+35 30 28.13 ~ADI5 21.44wXNEOCPF52
P22rf9W KC2026 10 12.29979103 01 58.66 +35 31 28.5 ~ADI5 VNEOCPH21
P22rf9W KC2026 10 12.30268103 01 58.81 +35 31 29.0 ~ADI5 22.2 GVNEOCPH21
P22rf9W KC2026 10 12.30806903 01 59.04 +35 31 29.7 ~ADI5 21.9 GVNEOCPH21
P22rf9W KC2026 10 13.30114503 02 59.82 +35 32 25.0 ~ADI5 22.2 GVNEOCPH21
P22rf9W KC2026 10 13.31085703 03 00.22 +35 32 25.3 ~ADI5 22.0 GVNEOCPH21
P22rf9W C2026 10 15.30749203 04 48.738+35 32 03.24 ~AF85 21.7 GWNEOCPH01
P22rf9W C2026 10 15.31184103 04 48.862+35 32 03.45 ~AF85 21.8 GWNEOCPH01
P22rf9W C2026 10 15.32585703 04 49.356+35 32 03.07 ~AF85 21.6 GWNEOCPH01
P22rf9W C2026 10 15.32874803 04 49.458+35 32 02.97 ~AF85 21.6 GWNEOCPH01
Station data:
(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.
(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.
(H21) Astronomical Research Observatory, Westfield (N39.483054 W87.968270)
US/Illinois. Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T.
Linder, R. Holmes. 0.40-m f/5.32 astrograph + CCD.
Orbital elements: P22rf9W
Perihelion 2026 Sep 15.514013 +/- 0.343 TT = 12:20:10.7 (JD 2461299.014013)
Epoch 2026 Oct 15.0 TT = JDT 2461328.5 Earth MOID: 0.1660 Ma: 0.0307
M 9.454187698 +/- 0.30 (J2000 ecliptic) AutoNEOCP
n 0.320633248 +/- 0.014 Peri. 57.855509 +/- 1.0
a 2.114123463 +/- 0.0616 Node 302.100127 +/- 0.7
e 0.45082034 +/- 0.0151 Incl. 3.503731 +/- 0.06
P 3.07394 H 23.35 G 0.15 U 9.9
q 1.161033585 +/- 0.00215 Q 3.067213342 +/- 0.121
From 12 observations 2026 Oct. 11-15; mean residual 0".14
Residuals in arcseconds: 261011 F52 .12- .03- 261012 H21 .18+ .10+ 261015 H01 .17+ .28- 261011 F52 .00 .06- 261012 H21 .23- .35+ 261015 H01 .16- .03+ 261011 F52 .13+ .03+ 261013 H21 .15+ .12+ 261015 H01 .02- .05+ 261012 H21 .08+ .15- 261013 H21 .20- .07+ 261015 H01 .02+ .05+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 10 15 11 03 04 55.304 +35 31 54.35 .24508 1.2040 143.9 22.0 .242 48 2026 10 15 12 03 04 57.326 +35 31 51.70 .24515 1.2041 144.0 22.0 .257 45 2026 10 15 13 03 04 59.341 +35 31 48.97 .24523 1.2042 144.0 22.0 .273 42 2026 10 15 14 03 05 01.347 +35 31 46.17 .24530 1.2043 144.0 22.0 .290 39 2026 10 15 15 03 05 03.346 +35 31 43.29 .24537 1.2045 144.0 22.0 .308 37 2026 10 15 16 03 05 05.337 +35 31 40.34 .24545 1.2046 144.1 22.0 .326 34 2026 10 15 17 03 05 07.320 +35 31 37.31 .24552 1.2047 144.1 22.0 .346 32 2026 10 15 18 03 05 09.295 +35 31 34.21 .24559 1.2048 144.1 22.0 .366 31 2026 10 15 19 03 05 11.263 +35 31 31.04 .24566 1.2049 144.2 22.0 .388 29 2026 10 15 20 03 05 13.222 +35 31 27.79 .24574 1.2050 144.2 22.0 .410 27 2026 10 15 21 03 05 15.174 +35 31 24.46 .24581 1.2052 144.2 22.0 .432 26 2026 10 15 22 03 05 17.119 +35 31 21.06 .24589 1.2053 144.3 22.0 .456 25 2026 10 15 23 03 05 19.055 +35 31 17.59 .24596 1.2054 144.3 22.0 .479 24 2026 10 16 00 03 05 20.984 +35 31 14.04 .24603 1.2055 144.3 22.0 .504 23 2026 10 16 01 03 05 22.905 +35 31 10.42 .24611 1.2056 144.4 22.0 .529 22 2026 10 16 02 03 05 24.818 +35 31 06.73 .24618 1.2057 144.4 22.0 .555 21 2026 10 16 03 03 05 26.724 +35 31 02.96 .24625 1.2059 144.4 22.0 .582 20 2026 10 16 04 03 05 28.621 +35 30 59.11 .24633 1.2060 144.5 22.0 .609 19 2026 10 16 05 03 05 30.512 +35 30 55.20 .24640 1.2061 144.5 22.0 .637 18 2026 10 16 06 03 05 32.394 +35 30 51.21 .24648 1.2062 144.5 22.0 .665 18 2026 10 16 07 03 05 34.269 +35 30 47.14 .24655 1.2063 144.5 22.0 .694 17 2026 10 16 08 03 05 36.136 +35 30 43.00 .24663 1.2065 144.6 22.0 .723 16 2026 10 16 09 03 05 37.996 +35 30 38.79 .24670 1.2066 144.6 22.0 .753 16 2026 10 16 10 03 05 39.848 +35 30 34.51 .24678 1.2067 144.6 22.0 .784 15 2026 10 16 11 03 05 41.692 +35 30 30.15 .24685 1.2068 144.7 22.0 .815 15 2026 10 16 12 03 05 43.529 +35 30 25.72 .24693 1.2069 144.7 22.0 .846 15 2026 10 16 13 03 05 45.358 +35 30 21.22 .24700 1.2071 144.7 22.0 .879 14 2026 10 16 14 03 05 47.179 +35 30 16.64 .24708 1.2072 144.8 22.0 .911 14 2026 10 16 15 03 05 48.993 +35 30 11.99 .24715 1.2073 144.8 22.0 .945 13 2026 10 16 16 03 05 50.800 +35 30 07.27 .24723 1.2074 144.8 22.0 .979 13 2026 10 16 17 03 05 52.598 +35 30 02.47 .24730 1.2075 144.9 22.0 1.01 13 2026 10 16 18 03 05 54.390 +35 29 57.60 .24738 1.2077 144.9 22.0 1.05 12 2026 10 16 19 03 05 56.173 +35 29 52.66 .24746 1.2078 144.9 22.0 1.08 12 2026 10 16 20 03 05 57.949 +35 29 47.65 .24753 1.2079 145.0 22.0 1.12 12 2026 10 16 21 03 05 59.718 +35 29 42.56 .24761 1.2080 145.0 22.0 1.16 12 2026 10 16 22 03 06 01.479 +35 29 37.40 .24769 1.2081 145.0 22.0 1.19 11 2026 10 16 23 03 06 03.233 +35 29 32.17 .24776 1.2083 145.1 22.0 1.23 11 2026 10 17 00 03 06 04.979 +35 29 26.87 .24784 1.2084 145.1 22.0 1.27 11 2026 10 17 01 03 06 06.718 +35 29 21.49 .24792 1.2085 145.1 22.0 1.31 11 2026 10 17 02 03 06 08.449 +35 29 16.05 .24799 1.2086 145.2 22.0 1.35 10 2026 10 17 03 03 06 10.173 +35 29 10.53 .24807 1.2087 145.2 22.0 1.39 10 2026 10 17 04 03 06 11.889 +35 29 04.94 .24815 1.2089 145.2 22.0 1.43 10 2026 10 17 05 03 06 13.598 +35 28 59.27 .24822 1.2090 145.2 22.0 1.47 10 2026 10 17 06 03 06 15.300 +35 28 53.54 .24830 1.2091 145.3 22.0 1.51 10 2026 10 17 07 03 06 16.994 +35 28 47.73 .24838 1.2092 145.3 22.0 1.55 10 2026 10 17 08 03 06 18.680 +35 28 41.86 .24846 1.2094 145.3 22.0 1.60 9 2026 10 17 09 03 06 20.360 +35 28 35.91 .24853 1.2095 145.4 22.0 1.64 9 2026 10 17 10 03 06 22.032 +35 28 29.89 .24861 1.2096 145.4 22.0 1.68 9