"Pseudo-MPEC" for P22n4PC
Created 2026 May 15 6:37:19 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P22n4PC*0C2026 05 12.35828813 58 27.307-15 06 46.23 ~5CAK 20.87wXNEOCPF52
P22n4PC 0C2026 05 12.37054513 58 27.046-15 06 11.73 ~5CAK 20.73wXNEOCPF52
P22n4PC 0C2026 05 12.38280013 58 26.779-15 05 37.24 ~5CAK 20.61wXNEOCPF52
P22n4PC 0C2026 05 12.43271013 58 25.713-15 03 16.36 ~5CGZ 20.49GVNEOCPF52
P22n4PC 0C2026 05 12.43334313 58 25.700-15 03 14.60 ~5CGZ 20.35GVNEOCPF52
P22n4PC |C2026 05 12.99398013 58 20.480-14 36 38.40 ~5D0o 20.4 GVNEOCP807
P22n4PC |C2026 05 13.00199013 58 20.370-14 36 15.80 ~5D0o 20.3 GVNEOCP807
P22n4PC |C2026 05 13.00965013 58 20.250-14 35 54.70 ~5D0o 20.4 GVNEOCP807
P22n4PC 0C2026 05 13.89758913 58 10.362-13 54 49.14 ~5DMK 20.3 GXNEOCPR59
P22n4PC 0C2026 05 13.90400013 58 10.291-13 54 31.01 ~5DMK 19.9 GXNEOCPR59
P22n4PC 0C2026 05 13.91004913 58 10.230-13 54 14.44 ~5DMK 20.1 GXNEOCPR59
P22n4PC KC2026 05 14.13091913 58 08.27 -13 43 56.7 ~5E3o 20.6 GVNEOCPH21
P22n4PC KC2026 05 14.13371513 58 08.22 -13 43 48.9 ~5E3o 20.7 GVNEOCPH21
P22n4PC KC2026 05 14.13651013 58 08.17 -13 43 40.9 ~5E3o 20.7 GVNEOCPH21
P22n4PC KB2026 05 14.13754 13 58 08.17 -13 43 37.8 ~5E55 19.5 GXNEOCPW13
P22n4PC KB2026 05 14.16484 13 58 07.74 -13 42 21.6 ~5E55 19.9 GXNEOCPW13
P22n4PC KB2026 05 14.18889 13 58 07.28 -13 41 14.3 ~5E55 19.7 GXNEOCPW13
Station data:
(807) Cerro Tololo Observatory, La Serena (S30.169133 W70.805900) Chile.
Observer R. Holmes. 0.61-m f/6.5 astrograph + 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.
(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.
(R59) Camarasa Observatory, Astrocamp Nerpio (N38.165429 W2.326580) Spain.
(W13) Star Quarry Observatory, Bedford (N38.977039 W86.526390) US/Indiana.
Observer C. J. Horowitz. 0.20-m f/2 Schmidt-Cassegrain + CMO.
Orbital elements: P22n4PC
Perihelion 2026 Jul 10.894347 +/- 0.974 TT = 21:27:51.5 (JD 2461232.394347)
Epoch 2026 May 14.0 TT = JDT 2461174.5 Earth MOID: 0.3611 AutoNEOCP
M 333.120899044 +/- 0.56 (J2000 ecliptic)
n 0.464278506 +/- 0.00399 Peri. 37.438051 +/- 0.9
a 1.651772874 +/- 0.00946 Node 228.472148 +/- 0.06
e 0.18610941 +/- 0.00387 Incl. 18.646152 +/- 0.28
P 2.123/775.382d H 20.99 G 0.15 U 9.0
q 1.344362394 +/- 0.00734 Q 1.959183354 +/- 0.0153
From 17 observations 2026 May 12-14 (43.9 hr); mean residual 0".23
Residuals in arcseconds: 260512 F52 .03- .07- 260513 807 .03+ .21+ 260514 H21 .15- .19- 260512 F52 .03+ .03- 260513 807 .17+ .04- 260514 H21 .23- .02+ 260512 F52 .00 .03- 260513 R59 .54- .15- 260514 W13 .39+ .16+ 260512 F52 .01+ .08+ 260513 R59 .02- .08+ 260514 W13 .55+ .16+ 260512 F52 .01+ .06+ 260513 R59 .56+ .24- 260514 W13 .47- .24+ 260512 807 .31- .08- 260514 H21 .07- .19- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 05 15 07 13 57 59.041 -12 49 44.88 .40147 1.3908 157.8 20.6 1.44 7 2026 05 15 08 13 57 58.780 -12 47 49.23 .40150 1.3908 157.8 20.6 1.50 7 2026 05 15 09 13 57 58.523 -12 45 53.61 .40152 1.3907 157.7 20.6 1.56 7 2026 05 15 10 13 57 58.270 -12 43 58.02 .40155 1.3906 157.7 20.6 1.62 7 2026 05 15 11 13 57 58.021 -12 42 02.48 .40158 1.3906 157.6 20.6 1.68 7 2026 05 15 12 13 57 57.776 -12 40 06.96 .40160 1.3905 157.5 20.6 1.74 8 2026 05 15 13 13 57 57.535 -12 38 11.48 .40163 1.3905 157.5 20.6 1.81 8 2026 05 15 14 13 57 57.298 -12 36 16.04 .40166 1.3904 157.4 20.6 1.87 8 2026 05 15 15 13 57 57.065 -12 34 20.63 .40169 1.3903 157.4 20.6 1.94 8 2026 05 15 16 13 57 56.836 -12 32 25.26 .40171 1.3903 157.3 20.6 2.01 8 2026 05 15 17 13 57 56.612 -12 30 29.93 .40174 1.3902 157.3 20.6 2.08 9 2026 05 15 18 13 57 56.391 -12 28 34.63 .40177 1.3901 157.2 20.6 2.15 9 2026 05 15 19 13 57 56.174 -12 26 39.37 .40180 1.3901 157.2 20.6 2.22 9 2026 05 15 20 13 57 55.961 -12 24 44.15 .40183 1.3900 157.1 20.6 2.29 9 2026 05 15 21 13 57 55.753 -12 22 48.97 .40186 1.3899 157.1 20.6 2.36 9 2026 05 15 22 13 57 55.548 -12 20 53.82 .40189 1.3899 157.0 20.6 2.44 9 2026 05 15 23 13 57 55.348 -12 18 58.72 .40192 1.3898 157.0 20.6 2.51 9 2026 05 16 00 13 57 55.151 -12 17 03.65 .40195 1.3897 156.9 20.6 2.59 10 2026 05 16 01 13 57 54.959 -12 15 08.62 .40199 1.3897 156.9 20.6 2.67 10 2026 05 16 02 13 57 54.771 -12 13 13.63 .40202 1.3896 156.8 20.6 2.75 10 2026 05 16 03 13 57 54.587 -12 11 18.68 .40205 1.3895 156.8 20.6 2.83 10 2026 05 16 04 13 57 54.407 -12 09 23.77 .40208 1.3895 156.7 20.6 2.91 10 2026 05 16 05 13 57 54.231 -12 07 28.90 .40212 1.3894 156.7 20.6 2.99 10 2026 05 16 06 13 57 54.059 -12 05 34.07 .40215 1.3894 156.6 20.6 3.07 10 2026 05 16 07 13 57 53.892 -12 03 39.28 .40218 1.3893 156.6 20.6 3.16 10 2026 05 16 08 13 57 53.728 -12 01 44.54 .40222 1.3892 156.5 20.6 3.24 11 2026 05 16 09 13 57 53.569 -11 59 49.83 .40225 1.3892 156.5 20.6 3.33 11 2026 05 16 10 13 57 53.413 -11 57 55.17 .40228 1.3891 156.4 20.6 3.41 11 2026 05 16 11 13 57 53.262 -11 56 00.55 .40232 1.3890 156.4 20.6 3.50 11 2026 05 16 12 13 57 53.115 -11 54 05.97 .40235 1.3890 156.3 20.6 3.59 11 2026 05 16 13 13 57 52.973 -11 52 11.44 .40239 1.3889 156.3 20.6 3.68 11 2026 05 16 14 13 57 52.834 -11 50 16.94 .40243 1.3888 156.2 20.6 3.77 11 2026 05 16 15 13 57 52.699 -11 48 22.49 .40246 1.3888 156.2 20.6 3.87 11 2026 05 16 16 13 57 52.569 -11 46 28.09 .40250 1.3887 156.1 20.6 3.96 11 2026 05 16 17 13 57 52.443 -11 44 33.73 .40254 1.3886 156.0 20.6 4.06 11 2026 05 16 18 13 57 52.321 -11 42 39.41 .40257 1.3886 156.0 20.6 4.15 12 2026 05 16 19 13 57 52.203 -11 40 45.14 .40261 1.3885 155.9 20.6 4.25 12 2026 05 16 20 13 57 52.089 -11 38 50.91 .40265 1.3885 155.9 20.6 4.35 12 2026 05 16 21 13 57 51.980 -11 36 56.73 .40269 1.3884 155.8 20.6 4.45 12 2026 05 16 22 13 57 51.874 -11 35 02.59 .40272 1.3883 155.8 20.6 4.55 12 2026 05 16 23 13 57 51.773 -11 33 08.50 .40276 1.3883 155.7 20.6 4.65 12 2026 05 17 00 13 57 51.676 -11 31 14.45 .40280 1.3882 155.7 20.6 4.75 12 2026 05 17 01 13 57 51.584 -11 29 20.45 .40284 1.3881 155.6 20.6 4.85 12 2026 05 17 02 13 57 51.495 -11 27 26.50 .40288 1.3881 155.6 20.6 4.96 12 2026 05 17 03 13 57 51.411 -11 25 32.59 .40292 1.3880 155.5 20.6 5.06 12 2026 05 17 04 13 57 51.331 -11 23 38.74 .40296 1.3879 155.5 20.7 5.17 12 2026 05 17 05 13 57 51.255 -11 21 44.92 .40300 1.3879 155.4 20.7 5.27 12 2026 05 17 06 13 57 51.183 -11 19 51.16 .40304 1.3878 155.4 20.7 5.38 12