"Pseudo-MPEC" for Sar2931
Created 2026 Oct 4 19:35:23 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
Sar2931*1C2026 10 03.93250701 08 35.03 +22 36 55.4 ~A3NK 20.2 GVNEOCPK88
Sar2931 1C2026 10 03.93476701 08 36.24 +22 37 10.2 ~A3NK 20.2 GVNEOCPK88
Sar2931 1C2026 10 03.93704001 08 37.40 +22 37 24.8 ~A3NK 19.9 GVNEOCPK88
Sar2931 1C2026 10 03.95404201 08 46.06 +22 39 14.0 ~A3NZ 20.6 GVNEOCPK88
Sar2931 1C2026 10 03.95722901 08 47.66 +22 39 34.4 ~A3NZ 20.4 GVNEOCPK88
Sar2931 1C2026 10 03.96086901 08 49.48 +22 39 57.4 ~A3NZ 20.2 GVNEOCPK88
Sar2931 KB2026 10 03.97643 01 08 56.89 +22 41 40.3 ~A45Z 20.2 GXNEOCPM45
Sar2931 KB2026 10 03.98267 01 09 00.09 +22 42 20.5 ~A45Z 20.5 GXNEOCPM45
Sar2931 KB2026 10 04.02667 01 09 23.12 +22 47 00.3 ~A475 20.3 GXNEOCPL04
Sar2931 1C2026 10 04.08634701 09 55.00 +22 53 21.6 ~A42o 20.6 GVNEOCPK88
Sar2931 1C2026 10 04.09087401 09 57.42 +22 53 50.6 ~A42o 20.3 GVNEOCPK88
Sar2931 KB2026 10 04.10802 01 10 06.36 +22 55 40.0 ~A43Z 20.2 GXNEOCPL04
Sar2931 KC2026 10 04.26625701 11 40.61 +23 13 35.9 ~A475 21.1 GVNEOCPH21
Sar2931 KC2026 10 04.26905301 11 42.13 +23 13 54.8 ~A475 21.2 GVNEOCPH21
Sar2931 KC2026 10 04.27250001 11 44.00 +23 14 18.0 ~A475 21.5 GVNEOCPH21
Station data:
(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.
(K88) GINOP-KHK, Piszkéstető (N47.917453 E19.893670) Hungary. Observer K.
Sárneczky. 0.60-m Schmidt + CCD.
(L04) ROASTERR-1 Observatory, Cluj-Napoca (N46.820952 E23.596400) Romania.
Observer L. Hudin. 0.1-m f/9 refractor + CCD.
(M45) Starhopper Observatory, Sfantu Gheorghe (N45.865494 E25.768890)
Romania. Observer F. Ursache. 0.41-m f/7.5 reflector + CMO.
Orbital elements: Sar2931
Perihelion 2026 Nov 16.090357 +/- 0.355 TT = 2:10:06.8 (JD 2461360.590357)
Epoch 2026 Oct 4.0 TT = JDT 2461317.5 Earth MOID: 0.0132 Ma: 0.0778
M 349.152995622 +/- 0.47 (J2000 ecliptic) AutoNEOCP
n 0.251726953 +/- 0.0128 Peri. 196.757347 +/- 4.4
a 2.484179092 +/- 0.0843 Node 231.615347 +/- 3.2
e 0.64329642 +/- 0.0156 Incl. 1.656843 +/- 0.12
P 3.91538 H 25.10 G 0.15 U 9.8
q 0.886115573 +/- 0.00911 Q 4.082242610 +/- 0.177
From 15 observations 2026 Oct. 3-4 (8.2 hr); mean residual 0".32
Residuals in arcseconds: 261003 K88 .05- .28- 261003 K88 .52- .23- 261004 K88 .29+ .24+ 261003 K88 .75+ .02+ 261003 M45 .52- .11- 261004 L04 .30+ .29- 261003 K88 .77+ .03+ 261003 M45 .57- .21+ 261004 H21 .19- .15- 261003 K88 .49+ .16+ 261004 L04 .16- .03+ 261004 H21 .03- .02+ 261003 K88 .07+ .11+ 261004 K88 .32+ .24+ 261004 H21 .10+ .14+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 10 04 20 01 17 27.879 +24 20 10.91 .07616 1.0714 158.3 20.7 13.5 50 2026 10 04 21 01 17 54.987 +24 25 15.38 .07588 1.0711 158.2 20.7 15.4 50 2026 10 04 22 01 18 22.328 +24 30 21.73 .07560 1.0708 158.1 20.7 17.3 50 2026 10 04 23 01 18 49.907 +24 35 29.94 .07532 1.0704 158.0 20.6 19.4 50 2026 10 05 00 01 19 17.726 +24 40 40.05 .07504 1.0701 157.9 20.6 21.6 50 2026 10 05 01 01 19 45.788 +24 45 52.06 .07476 1.0698 157.8 20.6 23.9 50 2026 10 05 02 01 20 14.096 +24 51 05.98 .07448 1.0695 157.7 20.6 26.4 50 2026 10 05 03 01 20 42.653 +24 56 21.83 .07421 1.0692 157.6 20.6 29.0 50 2026 10 05 04 01 21 11.463 +25 01 39.61 .07393 1.0689 157.5 20.6 31.8 50 2026 10 05 05 01 21 40.527 +25 06 59.34 .07365 1.0685 157.4 20.6 34.7 50 2026 10 05 06 01 22 09.849 +25 12 21.04 .07337 1.0682 157.3 20.6 37.7 50 2026 10 05 07 01 22 39.433 +25 17 44.70 .07310 1.0679 157.2 20.6 40.9 50 2026 10 05 08 01 23 09.282 +25 23 10.35 .07282 1.0676 157.1 20.6 44.2 50 2026 10 05 09 01 23 39.398 +25 28 38.00 .07255 1.0673 157.0 20.6 47.7 50 2026 10 05 10 01 24 09.786 +25 34 07.66 .07227 1.0670 156.9 20.6 51.4 50 2026 10 05 11 01 24 40.448 +25 39 39.33 .07200 1.0666 156.8 20.6 55.2 51 2026 10 05 12 01 25 11.388 +25 45 13.03 .07173 1.0663 156.7 20.6 59.2 51 2026 10 05 13 01 25 42.610 +25 50 48.78 .07145 1.0660 156.6 20.6 63.3 51 2026 10 05 14 01 26 14.116 +25 56 26.58 .07118 1.0657 156.5 20.6 67.6 51 2026 10 05 15 01 26 45.912 +26 02 06.45 .07091 1.0654 156.4 20.6 72.1 51 2026 10 05 16 01 27 17.999 +26 07 48.39 .07064 1.0651 156.3 20.5 76.8 51 2026 10 05 17 01 27 50.382 +26 13 32.42 .07037 1.0648 156.2 20.5 81.7 51 2026 10 05 18 01 28 23.064 +26 19 18.55 .07010 1.0645 156.1 20.5 86.7 51 2026 10 05 19 01 28 56.050 +26 25 06.79 .06983 1.0641 156.0 20.5 91.9 51 2026 10 05 20 01 29 29.342 +26 30 57.15 .06956 1.0638 155.8 20.5 97.3 51 2026 10 05 21 01 30 02.946 +26 36 49.64 .06929 1.0635 155.7 20.5 103 51 2026 10 05 22 01 30 36.865 +26 42 44.27 .06902 1.0632 155.6 20.5 109 51 2026 10 05 23 01 31 11.103 +26 48 41.05 .06875 1.0629 155.5 20.5 115 51 2026 10 06 00 01 31 45.663 +26 54 39.99 .06849 1.0626 155.4 20.5 121 52 2026 10 06 01 01 32 20.551 +27 00 41.10 .06822 1.0623 155.3 20.5 127 52 2026 10 06 02 01 32 55.771 +27 06 44.40 .06796 1.0619 155.1 20.5 134 52 2026 10 06 03 01 33 31.326 +27 12 49.88 .06769 1.0616 155.0 20.5 141 52 2026 10 06 04 01 34 07.220 +27 18 57.57 .06743 1.0613 154.9 20.5 148 52 2026 10 06 05 01 34 43.460 +27 25 07.46 .06716 1.0610 154.8 20.5 155 52 2026 10 06 06 01 35 20.048 +27 31 19.57 .06690 1.0607 154.6 20.5 163 52 2026 10 06 07 01 35 56.989 +27 37 33.90 .06664 1.0604 154.5 20.5 171 52 2026 10 06 08 01 36 34.288 +27 43 50.47 .06638 1.0601 154.4 20.5 179 52 2026 10 06 09 01 37 11.949 +27 50 09.28 .06612 1.0598 154.3 20.5 187 52 2026 10 06 10 01 37 49.978 +27 56 30.34 .06586 1.0595 154.1 20.5 196 52 2026 10 06 11 01 38 28.379 +28 02 53.66 .06560 1.0591 154.0 20.4 204 52 2026 10 06 12 01 39 07.156 +28 09 19.24 .06534 1.0588 153.9 20.4 213 53 2026 10 06 13 01 39 46.316 +28 15 47.09 .06508 1.0585 153.7 20.4 223 53 2026 10 06 14 01 40 25.862 +28 22 17.22 .06482 1.0582 153.6 20.4 232 53 2026 10 06 15 01 41 05.800 +28 28 49.63 .06456 1.0579 153.5 20.4 242 53 2026 10 06 16 01 41 46.135 +28 35 24.33 .06431 1.0576 153.3 20.4 252 53 2026 10 06 17 01 42 26.872 +28 42 01.33 .06405 1.0573 153.2 20.4 263 53 2026 10 06 18 01 43 08.016 +28 48 40.62 .06380 1.0570 153.0 20.4 273 53 2026 10 06 19 01 43 49.574 +28 55 22.22 .06354 1.0567 152.9 20.4 284 53