2021 SO1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5843038850 ± 2.00e+00
Semi-major axis (a)2.5044478336 AU ± 3.00e+00
Inclination (i)0.40859641° ± 4.00e+00
Long. of Asc. Node (Ω)200.41137345° ± 5.00e+00
Arg. of Perihelion (ω)164.55367678° ± 6.00e+00
Mean Anomaly (M)16.49778007° ± 7.16e-02
Mean Motion (n)0.2487074600°/day ± 4.47e-01
Perihelion dist (q)1.04108640 AU ± 5.16e+00
Aphelion dist (Q)3.96740400 AU ± 6.91e+00
Orbital Period3.96291970 yr ± 7.12e+00
Physical Parameters
H (abs. magnitude)26.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.291″
Uncertainty2
Orbit TypeAmor
MOID0.036996 AU
Observations Used29
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-10-20
Observations (31)
Date Type RA Dec Mag Band Observatory
2021-09-25 09:57:16 C 00 17 52.762 +05 49 11.27 V F52
2021-09-28 09:12:43 C 01 26 22.869 +11 59 03.61 U F52
2021-09-28 09:29:09 C 01 26 36.714 +12 00 17.39 U F52
2021-09-28 10:02:09 C 01 27 04.448 +12 02 45.45 U F52
2021-09-28 13:05:31 C 01 29 36.764 +12 16 00.45 V F51
2021-09-28 23:14:58 C 01 38 38.32 +12 57 04.3 V L01
2021-09-28 23:19:26 C 01 38 42.02 +12 57 23.3 V L01
2021-09-28 23:23:58 C 01 38 45.69 +12 57 41.6 V L01
2021-09-28 23:28:29 C 01 38 49.33 +12 57 59.5 V L01
2021-09-28 23:32:57 C 01 38 52.95 +12 58 17.6 V L01
2021-09-29 06:09:55 C 01 44 31.79 +13 24 47.7 u H21
2021-09-29 06:18:00 C 01 44 38.20 +13 25 19.2 u H21
2021-09-29 06:26:05 C 01 44 44.61 +13 25 51.0 u H21
2021-09-29 06:35:23 C 01 44 51.96 +13 26 26.9 u H21
2021-10-02 12:21:55 C 02 41 27.028 +17 16 17.45 V T12
2021-10-02 12:23:52 C 02 41 28.134 +17 16 21.59 V T12
2021-10-02 12:28:40 C 02 41 30.838 +17 16 31.67 V T12
2021-10-03 07:33:05 C 02 52 50.14 +17 53 15.1 o 291
2021-10-03 07:40:11 C 02 52 53.84 +17 53 29.1 o 291
2021-10-03 07:47:33 C 02 52 57.69 +17 53 42.8 o 291
2021-10-07 14:08:08 C 03 38 24.360 +19 57 00.72 V T12
2021-10-07 14:11:23 C 03 38 25.365 +19 57 02.97 V T12
2021-10-11 08:51:57 C 04 03 56.72 +20 43 39.9 V 291
2021-10-11 09:24:08 C 04 04 03.01 +20 43 52.0 V 291
2021-10-11 09:59:18 C 04 04 09.82 +20 44 04.2 V 291
2021-10-16 08:05:40 C 04 24 40.26 +21 09 23.8 V 695
2021-10-16 08:14:05 C 04 24 41.14 +21 09 24.7 V 695
2021-10-17 10:08:43 C 04 27 50.20 +21 12 17.3 V 695
2021-10-17 11:04:08 C 04 27 55.37 +21 12 21.6 V 695
2021-10-20 11:24:38 C 04 35 00.56 +21 17 08.2 V 695
2021-10-20 11:48:55 C 04 35 02.10 +21 17 08.0 V 695