IAA RAS IAA Minor Planet Database

2021 SX2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6059100000
Semi-major axis (a)2.5476806000 AU
Inclination (i)3.61788000°
Long. of Asc. Node (Ω)356.45971000°
Arg. of Perihelion (ω)60.50764000°
Mean Anomaly (M)355.42048000°
Mean Motion (n)0.2423743100°/day
Perihelion dist (q)1.00401540 AU
Aphelion dist (Q)4.09134580 AU
Orbital Period4.06646900 yr
Physical Parameters
H (abs. magnitude)23.90
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.290″
Uncertainty5
Orbit TypeAmor
MOID0.051240 AU
Observations Used50
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-10-28
Observations (50)
Date Type RA Dec Mag Band Observatory
2021-09-30 07:28:41 C 00 02 33.575 +05 03 18.59 – U F51
2021-09-30 07:46:24 C 00 02 33.813 +05 03 48.08 – U F51
2021-09-30 08:04:10 C 00 02 34.055 +05 04 17.60 – U F51
2021-09-30 09:48:20 C 00 02 35.288 +05 07 10.51 – U F52
2021-09-30 10:21:24 C 00 02 35.668 +05 08 05.33 – U F52
2021-09-30 10:38:06 C 00 02 35.860 +05 08 33.09 – U F52
2021-09-30 13:21:34 C 00 02 38.160 +05 13 04.32 – V F51
2021-09-30 13:22:45 C 00 02 38.185 +05 13 06.27 – V F51
2021-09-30 20:54:41 C 00 02 54.63 +05 25 34.1 – V I93
2021-09-30 21:00:01 C 00 02 54.72 +05 25 42.6 – V I93
2021-09-30 21:06:01 C 00 02 54.83 +05 25 52.6 – V I93
2021-09-30 21:40:51 C 00 02 54.99 +05 26 54.3 – V 104
2021-09-30 21:56:18 C 00 02 55.26 +05 27 20.1 – V 104
2021-09-30 22:11:45 C 00 02 55.49 +05 27 46.8 – V 104
2021-09-30 22:45:56 C 00 02 56.40 +05 28 47.6 – V B37
2021-09-30 23:10:40 C 00 02 56.87 +05 29 30.5 – V B37
2021-09-30 23:33:49 C 00 02 57.23 +05 30 10.2 – V B37
2021-09-30 23:40:19 C 00 02 57.32 +05 30 21.0 – V B37
2021-10-01 20:37:24 C 00 03 35.08 +06 07 36.6 – V L01
2021-10-01 20:40:46 C 00 03 35.10 +06 07 42.5 – V L01
2021-10-01 20:44:08 C 00 03 35.17 +06 07 48.8 – V L01
2021-10-01 22:27:12 C 00 03 37.11 +06 10 58.5 – X 595
2021-10-01 22:50:26 C 00 03 37.54 +06 11 41.9 – X 595
2021-10-04 15:32:03 C 00 05 53.40 +08 23 48.7 – V D29
2021-10-04 15:52:24 C 00 05 53.85 +08 24 35.1 – V D29
2021-10-04 16:12:46 C 00 05 54.39 +08 25 20.6 – V D29
2021-10-07 04:41:59 C 00 08 45.21 +10 55 22.9 – V G96
2021-10-07 04:49:31 C 00 08 45.49 +10 55 43.9 – V G96
2021-10-07 04:57:05 C 00 08 45.78 +10 56 04.2 – V G96
2021-10-07 05:04:37 C 00 08 46.05 +10 56 25.0 – V G96
2021-10-11 19:25:39 C 00 16 26.62 +17 00 33.6 – V D29
2021-10-11 19:46:01 C 00 16 28.30 +17 01 52.0 – V D29
2021-10-11 20:06:23 C 00 16 29.99 +17 03 11.0 – V D29
2021-10-13 09:38:58 C 00 20 20.66 +19 42 35.9 – V U68
2021-10-13 09:43:47 C 00 20 21.11 +19 42 57.1 – V U68
2021-10-13 10:01:49 C 00 20 22.84 +19 44 17.6 – V U68
2021-10-13 10:06:38 C 00 20 23.29 +19 44 39.2 – V U68
2021-10-16 03:59:34 C 00 29 27.34 +25 21 28.0 – V 703
2021-10-16 04:22:42 C 00 29 30.63 +25 23 41.6 – V 703
2021-10-18 03:04:02 C 00 38 18.22 +30 13 52.0 – u H21
2021-10-18 03:10:46 C 00 38 19.47 +30 14 37.8 – u H21
2021-10-18 03:18:49 C 00 38 20.99 +30 15 32.9 – u H21
2021-10-18 03:26:45 C 00 38 22.52 +30 16 26.4 – u H21
2021-10-24 17:46:15 C 01 42 37.53 +52 18 05.9 – V A17
2021-10-24 17:58:12 C 01 42 45.99 +52 20 02.0 – V A17
2021-10-24 18:10:22 C 01 42 54.59 +52 22 00.4 – V A17
2021-10-28 09:15:48 C 03 18 40.89 +64 48 27.2 – V I52
2021-10-28 09:19:22 C 03 18 46.18 +64 48 50.9 – V I52
2021-10-28 09:24:15 C 03 18 53.57 +64 49 23.2 – V I52
2021-10-28 09:24:30 C 03 18 53.96 +64 49 24.8 – V I52