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
2020-09-20 12:55:12 C 23 57 35.492 +09 22 51.06 – U F51
2020-09-21 10:29:54 C 23 55 10.95 +09 27 19.0 – V T08
2020-09-21 10:44:16 C 23 55 09.38 +09 27 21.2 – V T08
2020-09-21 10:57:34 C 23 55 07.75 +09 27 24.1 – V T08
2020-09-21 11:03:11 C 23 55 07.19 +09 27 25.2 – V T08
2020-09-22 11:05:53 C 23 52 27.00 +09 32 09.2 – V T05
2020-09-22 11:10:31 C 23 52 26.47 +09 32 10.0 – V T05
2020-09-22 11:18:30 C 23 52 25.62 +09 32 10.6 – V T05
2020-09-22 12:09:39 C 23 52 19.83 +09 32 21.2 – V T05
2020-09-23 07:44:40 C 23 50 10.56 +09 35 59.1 – V 703
2020-09-23 07:52:48 C 23 50 09.74 +09 36 01.0 – V 703
2020-09-23 08:00:56 C 23 50 08.79 +09 36 01.9 – V 703
2020-09-23 08:09:05 C 23 50 07.89 +09 36 03.3 – V 703
2020-09-23 12:38:23 C 23 49 38.18 +09 36 52.7 – V T05
2020-09-23 12:46:17 C 23 49 37.28 +09 36 54.4 – V T05
2020-09-23 12:50:15 C 23 49 36.85 +09 36 55.9 – V T05
2020-09-23 12:50:55 C 23 49 36.84 +09 36 56.1 – V T05
2020-09-23 13:07:03 C 23 49 35.02 +09 36 58.7 – V T05
2020-09-23 13:11:41 C 23 49 34.50 +09 36 58.7 – V T05
2020-09-25 08:45:26 C 23 44 51.61 +09 44 29.4 – V T08
2020-09-25 08:48:45 C 23 44 51.23 +09 44 30.3 – V T08
2020-09-25 09:39:41 C 23 44 45.68 +09 44 38.2 – V T08
2020-09-25 09:54:58 C 23 44 43.95 +09 44 40.1 – V T08
2020-09-26 04:58:28 C 23 42 42.15 +09 47 40.3 – V G96
2020-09-26 05:05:26 C 23 42 41.39 +09 47 41.5 – V G96
2020-09-26 05:12:24 C 23 42 40.65 +09 47 42.4 – V G96
2020-09-26 05:19:21 C 23 42 39.90 +09 47 43.7 – V G96
2020-09-26 05:53:05 C 23 42 36.35 +09 47 48.2 – V 703
2020-09-26 06:08:12 C 23 42 34.64 +09 47 51.1 – V 703
2020-09-26 06:15:45 C 23 42 33.87 +09 47 52.5 – V 703
2020-10-04 10:56:34 C 23 22 59.475 +10 11 40.71 – U F52
2020-10-04 11:31:35 C 23 22 56.182 +10 11 43.63 – U F52
2020-10-04 11:49:04 C 23 22 54.579 +10 11 45.49 – U F52
2020-10-07 04:45:59 C 23 17 07.60 +10 17 06.4 – V G96
2020-10-07 04:54:03 C 23 17 06.93 +10 17 06.7 – V G96
2020-10-07 05:02:07 C 23 17 06.21 +10 17 07.1 – V G96
2020-10-07 05:10:11 C 23 17 05.49 +10 17 07.7 – V G96
2020-10-08 04:44:48 C 23 15 04.98 +10 18 49.7 – V 703
2020-10-08 04:52:58 C 23 15 04.28 +10 18 51.0 – V 703
2020-10-08 05:09:18 C 23 15 02.93 +10 18 52.1 – V 703
2020-10-16 03:59:27 C 23 00 41.89 +10 29 13.6 – V G96
2020-10-16 04:07:39 C 23 00 41.32 +10 29 13.8 – V G96
2020-10-16 04:15:50 C 23 00 40.77 +10 29 14.4 – V G96
2020-10-16 04:24:03 C 23 00 40.21 +10 29 14.7 – V G96
2020-10-18 04:34:34 C 22 57 35.83 +10 31 14.1 – U I41
2020-10-18 05:06:37 C 22 57 33.84 +10 31 15.5 – U I41
2020-10-18 05:25:54 C 22 57 32.61 +10 31 16.3 – U I41
2020-10-18 05:28:39 C 22 57 32.44 +10 31 16.4 – U I41
2020-10-21 05:18:10 C 22 53 22.870 +10 34 04.84 – U F51
2020-10-21 05:34:32 C 22 53 21.946 +10 34 05.46 – U F51