857653 (2012 SB22)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4843392015 ± 5.32e-08
Semi-major axis (a)2.3596187187 AU ± 1.54e-08
Inclination (i)7.38591020° ± 4.07e-06
Long. of Asc. Node (Ω)135.38461370° ± 5.32e-05
Arg. of Perihelion (ω)199.39173434° ± 4.91e-05
Mean Anomaly (M)237.71616731° ± 2.41e-05
Mean Motion (n)0.2719252441°/day ± 2.66e-09
Perihelion dist (q)1.21676287 AU ± 1.26e-07
Aphelion dist (Q)3.50247456 AU ± 1.28e-07
Orbital Period3.62462223 yr ± 3.55e-08
Physical Parameters
H (abs. magnitude)19.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.250″
Uncertainty0
Orbit TypeAmor
MOID0.208184 AU
Observations Used134
Oppositions16
Arc Total2001-2023
First Observation Used2001-10-08
Last Observation Used2023-12-16
Observations (141)
Date Type RA Dec Mag Band Observatory
2001-10-08 04:39:07 C 21 02 08.23 -30 29 44.2 c 644
2001-10-08 05:09:17 C 21 02 13.39 -30 29 33.0 c 644
2002-01-14 01:56:46 C 01 39 55.80 +01 01 05.7 o 645
2002-01-14 01:57:57 C 01 39 55.90 +01 01 06.6 o 645
2012-09-11 07:11:20 C 02 49 31.16 -02 54 57.6 V G45
2012-09-11 07:30:19 C 02 49 32.09 -02 55 06.0 V G45
2012-09-11 08:06:28 C 02 49 33.91 -02 55 21.6 V G45
2012-09-11 10:51:40 C 02 49 41.94 -02 56 32.7 V G45
2012-09-18 10:42:02 C 02 56 52.54 -04 08 05.7 r 703
2012-09-18 10:51:35 C 02 56 52.76 -04 08 10.5 r 703
2012-09-18 11:01:07 C 02 56 53.01 -04 08 13.8 r 703
2012-09-18 11:10:44 C 02 56 53.30 -04 08 17.4 r 703
2012-09-18 15:19:20 C 02 57 01.40 -04 09 32.9 o 474
2012-09-18 15:22:20 C 02 57 01.49 -04 09 34.2 o 474
2012-09-18 15:25:22 C 02 57 01.57 -04 09 35.4 o 474
2012-09-18 15:28:22 C 02 57 01.64 -04 09 36.7 o 474
2012-09-19 02:29:23 C 02 57 22.19 -04 14 38.9 u 954
2012-09-19 02:39:06 C 02 57 22.49 -04 14 43.2 u 954
2012-09-19 03:06:02 C 02 57 23.20 -04 14 54.1 u 954
2012-09-19 09:12:34 C 02 57 33.33 -04 17 29.5 r H21
2012-09-19 09:20:15 C 02 57 33.50 -04 17 32.7 r H21
2012-09-19 09:27:54 C 02 57 33.69 -04 17 35.9 r H21
2012-09-19 09:40:41 C 02 57 34.48 -04 17 38.9 o 291
2012-09-19 09:46:30 C 02 57 34.61 -04 17 41.1 o 291
2012-09-19 09:51:03 C 02 57 34.72 -04 17 43.0 o 291
2012-09-20 02:11:30 C 02 58 02.28 -04 24 25.4 o 954
2012-09-20 02:21:36 C 02 58 02.50 -04 24 29.8 o 954
2012-09-20 02:52:09 C 02 58 03.14 -04 24 41.7 o 954
2012-09-20 03:01:34 C 02 58 03.29 -04 24 46.5 o 954
2012-09-20 03:11:37 C 02 58 03.56 -04 24 50.1 o 954
2012-09-20 08:16:36 C 02 58 11.90 -04 26 56.0 o 291
2012-09-20 08:20:24 C 02 58 11.48 -04 26 58.7 r 850
2012-09-20 08:22:31 C 02 58 12.02 -04 26 58.5 o 291
2012-09-20 08:27:16 C 02 58 12.12 -04 27 00.4 o 291
2012-09-20 08:40:53 C 02 58 11.78 -04 27 07.2 r 850
2012-09-20 08:57:17 C 02 58 12.25 -04 27 15.0 r 850
2012-09-21 01:31:31 C 02 58 37.63 -04 33 55.6 o 954
2012-09-21 02:01:58 C 02 58 38.23 -04 34 08.2 o 954
2012-09-21 02:31:38 C 02 58 38.75 -04 34 20.3 o 954
2012-09-21 03:01:34 C 02 58 39.37 -04 34 31.9 o 954
2012-09-21 07:04:35 C 02 58 45.51 -04 36 11.9 o H01
2012-09-21 07:14:59 C 02 58 45.69 -04 36 16.1 o H01
2012-09-21 07:26:51 C 02 58 45.92 -04 36 20.9 o H01
2012-09-21 07:36:21 C 02 58 46.10 -04 36 24.8 o H01
2012-09-23 07:39:57 C 02 59 43.23 -04 55 31.9 u H21
2012-09-23 07:47:20 C 02 59 43.33 -04 55 34.8 u H21
2012-09-23 07:54:42 C 02 59 43.41 -04 55 37.9 u H21
2012-09-24 09:13:56 C 03 00 06.52 -05 05 24.3 u H21
2012-09-24 09:19:01 C 03 00 06.56 -05 05 26.2 u H21
2012-09-24 09:24:07 C 03 00 06.61 -05 05 28.1 u H21