"Pseudo-MPEC" for P22r4ht
Created 2026 Oct 9 17:35:30 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P22r4ht 0C2026 10 04.12775020 08 04.348-05 20 34.83 ~A8IK 19.96gUNEOCPI41
P22r4ht 0C2026 10 04.12869020 08 04.457-05 20 36.74 ~A8IK 20.82gUNEOCPI41
P22r4ht 0C2026 10 04.14845920 08 07.388-05 21 03.57 ~A8IK 19.85rUNEOCPI41
P22r4ht 0C2026 10 04.14940320 08 07.564-05 21 05.39 ~A8IK 19.66rUNEOCPI41
P22r4ht 0C2026 10 05.19434320 10 48.158-05 45 22.09 ~A8IK 19.55rUNEOCPI41
P22r4ht 0C2026 10 06.12690920 13 14.326-06 06 43.93 ~A8IK 19.57rUNEOCPI41
P22r4ht*0C2026 10 06.22550320 13 29.896-06 08 56.13 ~A8IK 20.02wXNEOCPF52
P22r4ht 0C2026 10 06.22896420 13 29.912-06 09 02.96 ~A8IK 20.40gUNEOCPI41
P22r4ht 0C2026 10 06.23570720 13 31.447-06 09 10.03 ~A8IK 19.94wXNEOCPF52
P22r4ht 0C2026 10 06.24591320 13 33.006-06 09 23.86 ~A8IK 20.07wXNEOCPF52
P22r4ht 0C2026 10 06.25612220 13 34.565-06 09 37.76 ~A8IK 20.02wXNEOCPF52
P22r4ht 0C2026 10 06.37122220 13 52.210-06 12 13.74 ~A8IK 19.74G1NEOCPF52
P22r4ht 0C2026 10 06.37202920 13 52.343-06 12 14.91 ~A8IK 19.76GVNEOCPF52
P22r4ht KB2026 10 06.73786 20 14 50.97 -06 20 35.0 ~A8IK 19.7 GXNEOCPM45
P22r4ht KB2026 10 06.74405 20 14 51.91 -06 20 43.9 ~A8IK 19.9 GXNEOCPM45
P22r4ht 1C2026 10 06.77037020 14 56.166-06 21 19.90 ~A8IK 20.4 GXNEOCP033
P22r4ht 1C2026 10 06.77076020 14 56.216-06 21 20.40 ~A8IK 20.1 GXNEOCP033
P22r4ht 1C2026 10 06.77114020 14 56.278-06 21 21.10 ~A8IK 20.0 GXNEOCP033
P22r4ht 1C2026 10 06.77152020 14 56.346-06 21 21.70 ~A8IK 20.3 GXNEOCP033
P22r4ht 0B2026 10 06.81994220 15 03.730-06 22 11.73 ~A8IK WNEOCPM21
P22r4ht 0B2026 10 06.83447520 15 05.978-06 22 31.20 ~A8IK 20.1 GWNEOCPM21
P22r4ht 0B2026 10 06.84880820 15 08.184-06 22 50.36 ~A8IK WNEOCPM21
P22r4ht KB2026 10 07.03271 20 15 38.01 -06 27 11.6 ~A8IK XNEOCPW13
P22r4ht KC2026 10 07.03454520 15 38.34 -06 27 14.3 ~A8IK 20.4 GVNEOCPH21
P22r4ht KB2026 10 07.03558 20 15 38.46 -06 27 15.7 ~A8IK 19.0 GXNEOCPW13
P22r4ht KC2026 10 07.03590420 15 38.56 -06 27 16.2 ~A8IK 20.2 GVNEOCPH21
P22r4ht KB2026 10 07.03845 20 15 38.90 -06 27 19.1 ~A8IK XNEOCPW13
P22r4ht KC2026 10 07.04692320 15 40.26 -06 27 30.7 ~A8IK 20.4 GVNEOCPH21
P22r4ht KC2026 10 07.04832120 15 40.47 -06 27 32.7 ~A8IK 20.5 GVNEOCPH21
P22r4ht KC2026 10 07.05249720 15 41.234-06 27 37.80 ~A8IK 19.9 VZNEOCPH36
P22r4ht KC2026 10 07.05917720 15 42.216-06 27 47.20 ~A8IK 19.9 VZNEOCPH36
P22r4ht KC2026 10 07.06584820 15 43.272-06 27 56.02 ~A8IK 19.9 VZNEOCPH36
P22r4ht KC2026 10 07.12267420 15 52.462-06 29 12.26 ~A8IK 18.5 GWNEOCPG58
P22r4ht KC2026 10 07.12887720 15 53.381-06 29 21.19 ~A8IK 18.9 GWNEOCPG58
P22r4ht KC2026 10 07.13442120 15 54.262-06 29 28.39 ~A8IK 18.5 GWNEOCPG58
P22r4ht KB2026 10 07.44538120 16 44.033-06 36 22.64 ~A8IK 19.7 GXNEOCPQ06
P22r4ht KB2026 10 07.45474720 16 45.491-06 36 35.74 ~A8IK 18.3 GXNEOCPQ06
P22r4ht KB2026 10 07.46411520 16 46.860-06 36 48.14 ~A8IK 22.7 GXNEOCPQ06
P22r4ht KB2026 10 07.75015620 17 33.17 -06 43 10.6 ~A8IK 19.8 GVNEOCPG02
P22r4ht KB2026 10 07.76630320 17 35.71 -06 43 32.3 ~A8IK 19.6 GVNEOCPG02
P22r4ht 1B2026 10 07.78093420 17 38.062-06 43 36.80 ~A8IK 19.3 VZNEOCPM49
P22r4ht 1B2026 10 07.78661220 17 38.916-06 43 44.36 ~A8IK 20.3 VZNEOCPM49
P22r4ht 0B2026 10 07.82057920 17 44.537-06 44 44.56 ~A8IK 18.4 GXNEOCPR54
P22r4ht 0B2026 10 07.83022020 17 46.063-06 44 57.44 ~A8IK 19.3 GXNEOCPR54
P22r4ht 0B2026 10 07.83988420 17 47.580-06 45 09.97 ~A8IK 19.7 GXNEOCPR54
P22r4ht KC2026 10 08.03740420 18 19.71 -06 49 30.3 ~A8IK 20.9 GVNEOCPH21
P22r4ht KC2026 10 08.04020120 18 20.17 -06 49 34.3 ~A8IK 20.5 GVNEOCPH21
P22r4ht KC2026 10 08.04299820 18 20.61 -06 49 37.6 ~A8IK VNEOCPH21
P22r4ht KC2026 10 08.42757 20 19 22.85 -06 57 47.8 ~A8IK 19.7 GVNEOCPE23
P22r4ht KC2026 10 08.44098 20 19 25.00 -06 58 05.7 ~A8IK 19.7 GVNEOCPE23
P22r4ht KC2026 10 08.45438 20 19 27.09 -06 58 24.3 ~A8IKx19.7 GVNEOCPE23
P22r4ht 0B2026 10 08.73873820 20 13.894-07 04 51.02 ~A8IK 19.5 GVNEOCPS45
P22r4ht 0B2026 10 08.74125020 20 14.299-07 04 54.48 ~A8IK 19.7 GVNEOCPS45
P22r4ht 1B2026 10 08.78338720 20 21.110-07 05 34.84 ~A8Jo 19.5 VZNEOCPM49
P22r4ht 1B2026 10 08.79403620 20 22.793-07 05 48.66 ~A8Jo 19.9 VZNEOCPM49
P22r4ht 0B2026 10 08.82180620 20 27.490-07 06 39.53 ~A8Ko 19.4 GXNEOCPR54
P22r4ht 0B2026 10 08.83016220 20 28.831-07 06 50.54 ~A8Ko 19.7 GXNEOCPR54
P22r4ht 0B2026 10 08.83850720 20 30.170-07 07 01.16 ~A8Ko 19.7 GXNEOCPR54
P22r4ht KC2026 10 09.02797620 21 01.48 -07 11 05.4 ~A91K 20.2 GVNEOCPH21
P22r4ht KC2026 10 09.03077120 21 01.94 -07 11 09.1 ~A91K 19.7 GVNEOCPH21
P22r4ht KC2026 10 09.03524420 21 02.63 -07 11 14.8 ~A91K 19.7 GVNEOCPH21
P22r4ht 1C2026 10 09.08220520 21 10.418-07 12 15.37 ~A935 20.24GVNEOCPG96
P22r4ht 1C2026 10 09.08783020 21 11.330-07 12 22.70 ~A935 19.91GVNEOCPG96
P22r4ht 1C2026 10 09.09345720 21 12.230-07 12 29.80 ~A935 19.84GVNEOCPG96
P22r4ht 1C2026 10 09.09909220 21 13.136-07 12 37.37 ~A935 VNEOCPG96
Station data:
(033) Karl Schwarzschild Observatory, Tautenburg (N50.980139 E11.711240)
Germany. Observer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
(E23) Arcadia (S33.621197 E151.071190) Australia/NSW. Observer A. Hidas.
0.35-m f/1.9 reflector + 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.
(G02) KYSUCE Observatory, Kysucke Nove Mesto (N49.307313 E18.765390)
Slovakia. Observer M. Urbanik. 0.40-m f/4.4 reflector + CCD.
(G58) Chabot Observatory (N37.819328 W122.182000)
US/California. Observer G. McKeegan. 0.9-m f/4.5 Schmidt-Cassegrain + 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.
(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.
(H36) Sandlot Observatory, Scranton (N38.797700 W95.706554) US/Kansas.
Observer G. Hug. 0.56-m reflector + 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.
(M21) Schiaparelli Southern Observatory, Hakos (S23.236549 E16.361440)
Namibia. Observers A. Aletti, F. Bellini, L. Buzzi, G. Galli. Measurer L.
Buzzi. 0.36-m f/8.4 reflector + CCD.
(M45) Starhopper Observatory, Sfantu Gheorghe (N45.865494 E25.768890)
Romania. Observer F. Ursache. 0.41-m f/7.5 reflector + CMO.
(M49) IAS Remote Observatory, Hakos (S23.236549 E16.361720) Namibia.
Observers D. Husar, M. Junius. Measurer D. Husar. 0.25-m f/4.6 reflector +
CCD.
(Q06) Tarui Observatory, Tarui (N35.394791 E136.495470) Japan. Observer H.
Watanabe. 0.35-m f/1.9 Schmidt-Cassegrain + CMO.
(R54) Petit Cosquet, Bangor (N47.314413 W3.211500) France.
(S45) SkyQuest Observatory, Sahateni (N45.062436 E26.465380) Romania.
(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: P22r4ht
Perihelion 2026 Oct 18.506455 +/- 0.0807 TT = 12:09:17.7 (JD 2461332.006455)
Epoch 2026 Oct 9.0 TT = JDT 2461322.5 Earth MOID: 0.3650 Ma: 0.0215
M 357.814371039 +/- 0.052 (J2000 ecliptic) AutoNEOCP
n 0.229909981 +/- 0.00387 Peri. 167.472586 +/- 0.052
a 2.638947995 +/- 0.0301 Node 188.157321 +/- 0.09
e 0.48317312 +/- 0.00509 Incl. 17.117632 +/- 0.06
P 4.28693 H 18.61 G 0.15 U 9.0
q 1.363879241 +/- 0.00199 Q 3.914016749 +/- 0.0581
64 of 65 observations 2026 Oct. 4-9; mean residual 0".30
Residuals in arcseconds: 261004 I41 .12+ .12+ 261007 W13 .23- .05- 261007 R54 .06+ .05- 261004 I41 .33- .47- 261007 H21 .18+ .20- 261008 H21 .14+ .28- 261004 I41 .16- .48+ 261007 W13 .17- .29- 261008 H21 .42+ .58- 261004 I41 .38+ .02- 261007 H21 .31+ .27- 261008 H21 .40+ .19- 261005 I41 .16+ .61+ 261007 W13 .25- .17+ 261008 E23 .44- .27- 261006 I41 .48+ .26+ 261007 H21 .14+ .03+ 261008 E23 .08- .63- 261006 F52 .00 .08- 261007 H21 .03+ .09- 261008 E23( .63- 1.7-) 261006 I41 .20- .06+ 261007 H36 .32+ .30+ 261008 S45 .10+ .01- 261006 F52 .06- .08- 261007 H36 .50- .12- 261008 S45 .15+ .20- 261006 F52 .01- .02- 261007 H36 .21- .02+ 261008 M49 .12+ .01- 261006 F52 .03+ .03- 261007 G58 .23+ .11- 261008 M49 .01+ .01+ 261006 F52 .02- .04+ 261007 G58 .45- .72- 261008 R54 .09- .01- 261006 F52 .10+ .03- 261007 G58 .16- .48- 261008 R54 .05- .15- 261006 M45 .11+ .45+ 261007 Q06 .55+ .85+ 261008 R54 .01- .08+ 261006 M45 .18- .10- 261007 Q06 .49+ .23+ 261009 H21 .23+ .76+ 261006 033 .09+ .14+ 261007 Q06 .92- .31+ 261009 H21 .42+ .69+ 261006 033 .06- .16+ 261007 G02 .32- .63+ 261009 H21 .03+ .79+ 261006 033 .02- .02- 261007 G02 .43- .35+ 261009 G96 .24- .15- 261006 033 .11+ .11- 261007 M49 .39+ .22+ 261009 G96 .04- .19- 261006 M21 .02+ .28- 261007 M49 .11- .18+ 261009 G96 .02- .00 261006 M21 .06+ .21- 261007 R54 .11+ .20- 261009 G96 .06+ .27- 261006 M21 .11- .11- 261007 R54 .18+ .31- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 10 09 18 20 23 00.691 -07 26 26.00 .65473 1.3668 109.7 20.0 .163 20 2026 10 09 19 20 23 07.612 -07 27 19.25 .65487 1.3668 109.7 20.0 .168 20 2026 10 09 20 20 23 14.536 -07 28 12.45 .65500 1.3668 109.7 20.1 .174 21 2026 10 09 21 20 23 21.464 -07 29 05.61 .65513 1.3667 109.7 20.1 .179 21 2026 10 09 22 20 23 28.396 -07 29 58.73 .65527 1.3667 109.7 20.1 .184 21 2026 10 09 23 20 23 35.331 -07 30 51.80 .65540 1.3667 109.7 20.1 .189 21 2026 10 10 00 20 23 42.271 -07 31 44.82 .65553 1.3667 109.7 20.1 .195 21 2026 10 10 01 20 23 49.214 -07 32 37.80 .65567 1.3666 109.6 20.1 .201 21 2026 10 10 02 20 23 56.162 -07 33 30.74 .65580 1.3666 109.6 20.1 .206 21 2026 10 10 03 20 24 03.113 -07 34 23.64 .65594 1.3666 109.6 20.1 .212 22 2026 10 10 04 20 24 10.068 -07 35 16.49 .65607 1.3665 109.6 20.1 .218 22 2026 10 10 05 20 24 17.027 -07 36 09.29 .65621 1.3665 109.6 20.1 .223 22 2026 10 10 06 20 24 23.989 -07 37 02.05 .65634 1.3665 109.6 20.1 .229 22 2026 10 10 07 20 24 30.956 -07 37 54.77 .65648 1.3665 109.6 20.1 .235 22 2026 10 10 08 20 24 37.926 -07 38 47.44 .65661 1.3664 109.5 20.1 .241 22 2026 10 10 09 20 24 44.900 -07 39 40.06 .65675 1.3664 109.5 20.1 .248 22 2026 10 10 10 20 24 51.878 -07 40 32.65 .65688 1.3664 109.5 20.1 .254 22 2026 10 10 11 20 24 58.860 -07 41 25.18 .65702 1.3664 109.5 20.1 .260 23 2026 10 10 12 20 25 05.846 -07 42 17.68 .65715 1.3663 109.5 20.1 .267 23 2026 10 10 13 20 25 12.835 -07 43 10.12 .65729 1.3663 109.5 20.1 .273 23 2026 10 10 14 20 25 19.828 -07 44 02.53 .65743 1.3663 109.5 20.1 .280 23 2026 10 10 15 20 25 26.825 -07 44 54.88 .65756 1.3663 109.4 20.1 .286 23 2026 10 10 16 20 25 33.826 -07 45 47.20 .65770 1.3662 109.4 20.1 .293 23 2026 10 10 17 20 25 40.830 -07 46 39.46 .65784 1.3662 109.4 20.1 .300 23 2026 10 10 18 20 25 47.839 -07 47 31.68 .65797 1.3662 109.4 20.1 .306 23 2026 10 10 19 20 25 54.851 -07 48 23.86 .65811 1.3662 109.4 20.1 .313 23 2026 10 10 20 20 26 01.867 -07 49 15.99 .65825 1.3661 109.4 20.1 .320 23 2026 10 10 21 20 26 08.886 -07 50 08.08 .65839 1.3661 109.4 20.1 .327 23 2026 10 10 22 20 26 15.910 -07 51 00.12 .65852 1.3661 109.3 20.1 .334 24 2026 10 10 23 20 26 22.937 -07 51 52.11 .65866 1.3661 109.3 20.1 .342 24 2026 10 11 00 20 26 29.968 -07 52 44.06 .65880 1.3660 109.3 20.1 .349 24 2026 10 11 01 20 26 37.002 -07 53 35.97 .65894 1.3660 109.3 20.1 .356 24 2026 10 11 02 20 26 44.041 -07 54 27.83 .65908 1.3660 109.3 20.1 .364 24 2026 10 11 03 20 26 51.083 -07 55 19.64 .65921 1.3660 109.3 20.1 .371 24 2026 10 11 04 20 26 58.128 -07 56 11.41 .65935 1.3659 109.3 20.1 .379 24 2026 10 11 05 20 27 05.178 -07 57 03.13 .65949 1.3659 109.2 20.1 .386 24 2026 10 11 06 20 27 12.231 -07 57 54.80 .65963 1.3659 109.2 20.1 .394 24 2026 10 11 07 20 27 19.288 -07 58 46.43 .65977 1.3659 109.2 20.1 .402 24 2026 10 11 08 20 27 26.349 -07 59 38.02 .65991 1.3659 109.2 20.1 .410 24 2026 10 11 09 20 27 33.413 -08 00 29.55 .66005 1.3658 109.2 20.1 .418 24 2026 10 11 10 20 27 40.481 -08 01 21.04 .66019 1.3658 109.2 20.1 .426 24 2026 10 11 11 20 27 47.553 -08 02 12.49 .66033 1.3658 109.2 20.1 .434 24 2026 10 11 12 20 27 54.628 -08 03 03.89 .66047 1.3658 109.1 20.1 .442 24 2026 10 11 13 20 28 01.707 -08 03 55.24 .66061 1.3657 109.1 20.1 .450 25 2026 10 11 14 20 28 08.790 -08 04 46.55 .66075 1.3657 109.1 20.1 .459 25 2026 10 11 15 20 28 15.877 -08 05 37.81 .66089 1.3657 109.1 20.1 .467 25 2026 10 11 16 20 28 22.967 -08 06 29.02 .66103 1.3657 109.1 20.1 .475 25 2026 10 11 17 20 28 30.061 -08 07 20.19 .66118 1.3657 109.1 20.1 .484 25