IAA RAS IAA Minor Planet Database

140288 (2001 SN289)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5082278283 ± 1.98e-09
Semi-major axis (a)1.7841094735 AU ± 4.04e-09
Inclination (i)53.19408028° ± 1.51e-06
Long. of Asc. Node (Ω)357.05845037° ± 3.38e-06
Arg. of Perihelion (ω)225.63243679° ± 2.53e-06
Mean Anomaly (M)149.85928441° ± 5.43e-06
Mean Motion (n)0.4135995211°/day ± 1.40e-09
Perihelion dist (q)0.87737539 AU ± 4.06e-09
Aphelion dist (Q)2.69084356 AU ± 7.05e-09
Orbital Period2.38304503 yr ± 8.09e-09
Physical Parameters
H (abs. magnitude)16.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.015″
Uncertainty0
Orbit TypeApollo
MOID0.017894 AU
Observations Used426
Gaia Obs Used33
Oppositions11
Arc Total1996-2025
First Observation Used1996-08-14
Last Observation Used2025-12-19
Observations (485)
Date Type RA Dec Mag Band Observatory
2020-09-10 08:36:26 C 00 25 18.21 +08 18 01.0 – V 703
2020-09-10 08:44:05 C 00 25 17.40 +08 18 02.2 – V 703
2020-09-10 10:47:23 C 00 25 03.60 +08 18 43.5 – V T05
2020-09-10 10:52:01 C 00 25 03.08 +08 18 45.0 – V T05
2020-09-10 10:56:02 C 00 25 02.62 +08 18 46.4 – V T05
2020-09-10 11:03:20 C 00 25 01.76 +08 18 48.5 – V T05
2020-09-13 15:17:05 C 00 16 24.18 +08 41 46.9 – q D29
2020-09-13 15:37:27 C 00 16 21.83 +08 41 52.5 – q D29
2020-09-13 15:57:48 C 00 16 19.46 +08 41 58.2 – q D29
2020-09-14 12:04:08 C 00 14 01.89 +08 47 37.6 – V T05
2020-09-14 12:54:30 C 00 13 56.06 +08 47 52.0 – V T05
2020-09-14 13:00:46 C 00 13 55.36 +08 47 53.1 – V T05
2020-09-14 13:39:36 C 00 13 50.81 +08 48 03.6 – V T05
2020-09-14 23:33:23 C 00 12 43.48 +08 50 43.2 – V 130
2020-09-14 23:36:15 C 00 12 43.16 +08 50 43.8 – V 130
2020-09-14 23:39:07 C 00 12 42.81 +08 50 44.7 – V 130
2020-09-14 23:41:59 C 00 12 42.48 +08 50 45.9 – V 130
2020-09-17 06:48:22 C 00 06 25.89 +09 04 58.3 – V 703
2020-09-17 06:56:00 C 00 06 24.98 +09 05 00.4 – V 703
2020-09-17 07:03:38 C 00 06 24.15 +09 05 03.3 – V 703
2020-09-17 07:11:15 C 00 06 23.20 +09 05 04.9 – V 703
2020-09-17 09:04:42 C 00 06 10.435 +09 05 34.80 – U F52
2020-09-17 09:17:45 C 00 06 08.928 +09 05 37.97 – U F52
2020-09-17 09:30:46 C 00 06 07.426 +09 05 41.17 – U F52
2020-09-17 09:43:48 C 00 06 05.924 +09 05 44.30 – U F52
2020-09-17 09:45:17 C 00 06 05.73 +09 05 45.3 – V T08
2020-09-17 09:47:56 C 00 06 05.45 +09 05 45.7 – V T08
2020-09-17 10:05:15 C 00 06 03.436 +09 05 49.64 – U F52
2020-09-17 10:21:19 C 00 06 01.58 +09 05 53.6 – V T08
2020-09-17 10:25:58 C 00 06 01.038 +09 05 54.74 – U F52
2020-09-17 10:28:31 C 00 06 00.74 +09 05 55.4 – V T08
2020-09-17 10:46:31 C 00 05 58.661 +09 05 59.75 – U F52
2020-09-17 11:07:01 C 00 05 56.287 +09 06 04.73 – U F52
2020-09-18 08:27:59 C 00 03 31.14 +09 11 10.5 – V T05
2020-09-18 09:18:33 C 00 03 25.28 +09 11 22.5 – V T05
2020-09-18 09:23:55 C 00 03 24.65 +09 11 24.3 – V T05
2020-09-18 09:32:53 C 00 03 23.62 +09 11 26.1 – V T05
2020-09-18 12:31:14 C 00 03 03.076 +09 12 07.36 – U F51
2020-09-18 13:29:22 C 00 02 56.394 +09 12 20.71 – U F51
2020-09-18 13:57:30 C 00 02 53.165 +09 12 27.16 – U F51
2020-09-19 09:38:08 C 00 00 40.115 +09 16 55.96 – U F51
2020-09-19 09:54:39 C 00 00 38.211 +09 16 59.75 – U F51
2020-09-19 10:11:15 C 00 00 36.308 +09 17 03.31 – U F51
2020-09-19 10:29:28 C 00 00 34.215 +09 17 07.38 – U F51
2020-09-20 08:47:27 C 23 58 03.77 +09 21 58.6 – V T08
2020-09-20 08:51:27 C 23 58 03.29 +09 22 00.0 – V T08
2020-09-20 08:59:26 C 23 58 02.42 +09 22 01.8 – V T08
2020-09-20 09:12:03 C 23 58 00.97 +09 22 04.0 – V T08
2020-09-20 12:17:18 C 23 57 39.807 +09 22 43.14 – U F51
2020-09-20 12:36:20 C 23 57 37.638 +09 22 47.10 – U F51