"Pseudo-MPEC" for P22r4j2
Created 2026 Oct 9 15:35:35 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P22r4j2 1C2010 10 29.29937 02 21 47.98 +04 14 55.1 ~A8IK 20.1 VrNEOCPG96
P22r4j2 1C2010 10 29.30375 02 21 47.66 +04 14 58.2 ~A8IK 20.1 VrNEOCPG96
P22r4j2 1C2010 10 29.30818 02 21 47.30 +04 15 01.6 ~A8IK 20.1 VrNEOCPG96
P22r4j2 C2010 12 03.31623 01 52 32.27 +11 44 43.5 ~A8IK 22.0 VoNEOCP291
P22r4j2 C2010 12 03.32859 01 52 32.05 +11 44 52.8 ~A8IK 21.8 VoNEOCP291
P22r4j2 C2010 12 03.34426 01 52 31.80 +11 45 04.8 ~A8IK 21.9 VoNEOCP291
P22r4j2 0C2026 09 05.52430701 26 51.897-23 39 36.60 ~A8IK 21.11wXNEOCPF51
P22r4j2 0C2026 09 05.53433301 26 51.642-23 39 36.39 ~A8IK 21.49wXNEOCPF51
P22r4j2 0C2026 09 05.54452801 26 51.433-23 39 35.94 ~A8IK 21.18wXNEOCPF51
P22r4j2 0C2026 09 05.55456001 26 51.211-23 39 35.56 ~A8IK 21.17wXNEOCPF51
P22r4j2*0C2026 10 06.39706401 01 32.914-20 51 14.18 ~A8IK 20.88wXNEOCPF52
P22r4j2 0C2026 10 06.40803701 01 32.142-20 51 06.66 ~A8IK 20.71wXNEOCPF52
P22r4j2 0C2026 10 06.41910901 01 31.356-20 50 58.93 ~A8IK 20.74wXNEOCPF52
P22r4j2 0C2026 10 06.43004701 01 30.594-20 50 51.42 ~A8IK 20.77wXNEOCPF52
P22r4j2 0C2026 10 06.54008001 01 22.875-20 49 34.30 ~A8IK 20.44GVNEOCPF52
P22r4j2 0C2026 10 06.54090901 01 22.820-20 49 33.71 ~A8IK 20.36GVNEOCPF52
P22r4j2 0C2026 10 07.27538501 00 34.811-20 40 57.49 ~A8IK 24.59iUNEOCPI41
P22r4j2 0C2026 10 07.29403901 00 33.657-20 40 45.06 ~A8IKx19.65iUNEOCPI41
P22r4j2 0C2026 10 07.31243101 00 32.244-20 40 30.86 ~A8IK 21.92rUNEOCPI41
P22r4j2 0C2026 10 07.33495401 00 30.618-20 40 14.94 ~A8IK 20.76gUNEOCPI41
P22r4j2 C2026 10 08.08231 00 59 41.71 -20 31 01.9 ~A8IK 20.2 RXNEOCPX19
P22r4j2 C2026 10 08.08941 00 59 41.21 -20 30 57.0 ~A8IK 19.5 RXNEOCPX19
P22r4j2 C2026 10 08.09651 00 59 40.72 -20 30 51.5 ~A8IK 19.3 RXNEOCPX19
Station data:
(291) LPL/Spacewatch II (N31.961669 W111.599905) US/Arizona. Observers J.
V. Scotti, R. S. McMillan. 1.8-m f/2.7 reflector + 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.
(G96) Mt. Lemmon Survey (N32.442729 W110.788720)
US/Arizona. Observer E. J. Christensen. 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. 1.5-m reflector + 10K
CCD.
(I41) Palomar Mountain--ZTF (N33.357336 W116.859780) US/California.
Observers B. T. Bolin, Z. T. F. Collaboration. Measurers B. T. Bolin,
Z.-Y. Lin, F. J. Masci. 1.2-m f/2.4 Schmidt.
(X19) Santel Observatory, El Leoncito (S31.802444 W69.326170) Argentina.
Observer A. Sankovich. 0.5-m f/1.5 reflector + CMOS.
Orbital elements: P22r4j2
Perihelion 2026 Sep 21.025444 +/- 0.00169 TT = 0:36:38.3 (JD 2461304.525444)
Epoch 2026 Oct 8.0 TT = JDT 2461321.5 Earth MOID: 0.8618 AutoNEOCP
M 3.110855890 +/- 0.00031 (J2000 ecliptic)
n 0.183265816 +/- 8.97e-9 Peri. 312.033372 +/- 0.0008
a 3.069599664 +/- 1e-7 Node 48.738715 +/- 0.00011
e 0.40912330 +/- 1.45e-6 Incl. 18.135681 +/- 0.00007
P 5.37802 H 19.04 G 0.15 U 1.4
q 1.813754906 +/- 4.51e-6 Q 4.325444422 +/- 4.33e-6
22 of 23 observations 2010 Oct. 29-2026 Oct. 8; mean residual 0".32
Residuals in arcseconds: 101029 G96 .18- .19- 260905 F51 .12+ .01- 261007 I41 .36- .22+ 101029 G96 .06+ .38- 260905 F51 .17+ .04- 261007 I41( 1.7+ .60-) 101029 G96 .25- .30- 261006 F52 .06+ .05- 261007 I41 .08- .48+ 101203 291 .38+ .09- 261006 F52 .06+ .08- 261007 I41 .81- .28+ 101203 291 .22+ .07+ 261006 F52 .03- .02+ 261008 X19 .76- .20+ 101203 291 .40+ .48+ 261006 F52 .09+ .04- 261008 X19 .90- .04- 260905 F51 .25+ .11+ 261006 F52 .08+ .03- 261008 X19 .89- .31+ 260905 F51 .16- .06- 261006 F52 .12+ .03- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 10 09 16 00 57 57.314 -20 11 08.38 .87071 1.8201 153.5 20.8 .071 24 2026 10 09 17 00 57 54.590 -20 10 36.07 .87077 1.8202 153.5 20.8 .072 24 2026 10 09 18 00 57 51.867 -20 10 03.72 .87084 1.8202 153.5 20.8 .072 24 2026 10 09 19 00 57 49.144 -20 09 31.32 .87091 1.8202 153.5 20.8 .072 24 2026 10 09 20 00 57 46.423 -20 08 58.89 .87099 1.8202 153.5 20.8 .072 24 2026 10 09 21 00 57 43.702 -20 08 26.40 .87106 1.8203 153.5 20.8 .072 24 2026 10 09 22 00 57 40.982 -20 07 53.88 .87113 1.8203 153.5 20.9 .073 24 2026 10 09 23 00 57 38.262 -20 07 21.31 .87120 1.8203 153.5 20.9 .073 24 2026 10 10 00 00 57 35.544 -20 06 48.70 .87127 1.8204 153.5 20.9 .073 24 2026 10 10 01 00 57 32.826 -20 06 16.05 .87134 1.8204 153.4 20.9 .073 24 2026 10 10 02 00 57 30.110 -20 05 43.35 .87142 1.8204 153.4 20.9 .074 24 2026 10 10 03 00 57 27.394 -20 05 10.61 .87149 1.8204 153.4 20.9 .074 24 2026 10 10 04 00 57 24.679 -20 04 37.83 .87156 1.8205 153.4 20.9 .074 24 2026 10 10 05 00 57 21.964 -20 04 05.00 .87164 1.8205 153.4 20.9 .074 24 2026 10 10 06 00 57 19.251 -20 03 32.13 .87171 1.8205 153.4 20.9 .074 24 2026 10 10 07 00 57 16.539 -20 02 59.22 .87179 1.8206 153.4 20.9 .075 24 2026 10 10 08 00 57 13.827 -20 02 26.27 .87186 1.8206 153.4 20.9 .075 24 2026 10 10 09 00 57 11.117 -20 01 53.27 .87194 1.8206 153.4 20.9 .075 24 2026 10 10 10 00 57 08.407 -20 01 20.23 .87201 1.8206 153.4 20.9 .075 24 2026 10 10 11 00 57 05.698 -20 00 47.15 .87209 1.8207 153.4 20.9 .076 24 2026 10 10 12 00 57 02.991 -20 00 14.02 .87217 1.8207 153.4 20.9 .076 24 2026 10 10 13 00 57 00.284 -19 59 40.86 .87224 1.8207 153.3 20.9 .076 24 2026 10 10 14 00 56 57.578 -19 59 07.65 .87232 1.8208 153.3 20.9 .076 24 2026 10 10 15 00 56 54.873 -19 58 34.39 .87240 1.8208 153.3 20.9 .076 24 2026 10 10 16 00 56 52.169 -19 58 01.10 .87248 1.8208 153.3 20.9 .077 24 2026 10 10 17 00 56 49.466 -19 57 27.76 .87255 1.8209 153.3 20.9 .077 24 2026 10 10 18 00 56 46.764 -19 56 54.38 .87263 1.8209 153.3 20.9 .077 24 2026 10 10 19 00 56 44.063 -19 56 20.96 .87271 1.8209 153.3 20.9 .077 24 2026 10 10 20 00 56 41.363 -19 55 47.49 .87279 1.8209 153.3 20.9 .078 24 2026 10 10 21 00 56 38.664 -19 55 13.99 .87287 1.8210 153.3 20.9 .078 24 2026 10 10 22 00 56 35.967 -19 54 40.44 .87295 1.8210 153.3 20.9 .078 24 2026 10 10 23 00 56 33.270 -19 54 06.84 .87303 1.8210 153.3 20.9 .078 24 2026 10 11 00 00 56 30.574 -19 53 33.21 .87311 1.8211 153.2 20.9 .078 24 2026 10 11 01 00 56 27.879 -19 52 59.53 .87319 1.8211 153.2 20.9 .079 24 2026 10 11 02 00 56 25.185 -19 52 25.81 .87327 1.8211 153.2 20.9 .079 24 2026 10 11 03 00 56 22.493 -19 51 52.05 .87336 1.8212 153.2 20.9 .079 24 2026 10 11 04 00 56 19.801 -19 51 18.25 .87344 1.8212 153.2 20.9 .079 24 2026 10 11 05 00 56 17.111 -19 50 44.40 .87352 1.8212 153.2 20.9 .080 24 2026 10 11 06 00 56 14.421 -19 50 10.52 .87360 1.8212 153.2 20.9 .080 24 2026 10 11 07 00 56 11.733 -19 49 36.59 .87369 1.8213 153.2 20.9 .080 24 2026 10 11 08 00 56 09.046 -19 49 02.61 .87377 1.8213 153.2 20.9 .080 24 2026 10 11 09 00 56 06.360 -19 48 28.60 .87386 1.8213 153.2 20.9 .080 24 2026 10 11 10 00 56 03.675 -19 47 54.54 .87394 1.8214 153.1 20.9 .081 24 2026 10 11 11 00 56 00.991 -19 47 20.45 .87403 1.8214 153.1 20.9 .081 24 2026 10 11 12 00 55 58.309 -19 46 46.31 .87411 1.8214 153.1 20.9 .081 24 2026 10 11 13 00 55 55.627 -19 46 12.12 .87420 1.8215 153.1 20.9 .081 24 2026 10 11 14 00 55 52.947 -19 45 37.90 .87428 1.8215 153.1 20.9 .082 24 2026 10 11 15 00 55 50.268 -19 45 03.64 .87437 1.8215 153.1 20.9 .082 24