2021 WS2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4957039498 ± 2.89e-06
Semi-major axis (a)1.9092196908 AU ± 1.07e-05
Inclination (i)31.58929216° ± 1.15e-04
Long. of Asc. Node (Ω)63.41354457° ± 3.92e-05
Arg. of Perihelion (ω)81.34858278° ± 5.13e-05
Mean Anomaly (M)148.93675793° ± 4.29e-03
Mean Motion (n)0.3736185399°/day ± 3.15e-06
Perihelion dist (q)0.96281195 AU ± 7.72e-06
Aphelion dist (Q)2.85562743 AU ± 1.70e-05
Orbital Period2.63805507 yr ± 2.22e-05
Physical Parameters
H (abs. magnitude)22.67
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.208″
Uncertainty1
Orbit TypeApollo
MOID0.259999 AU
Observations Used28
Oppositions1
Arc Total2021-2022
First Observation Used2021-11-26
Last Observation Used2022-05-19
Observations (28)
Date Type RA Dec Mag Band Observatory
2021-11-26 06:32:37 C 02 50 37.658 +03 19 30.01 U F51
2021-11-26 06:51:12 C 02 50 34.668 +03 19 58.58 U F51
2021-11-26 07:09:49 C 02 50 31.629 +03 20 27.58 U F51
2021-11-26 09:49:49 C 02 50 05.813 +03 24 35.11 V F51
2021-11-26 09:50:44 C 02 50 05.696 +03 24 36.63 V F51
2021-11-27 04:53:18 C 02 47 05.71 +03 54 43.9 V 807
2021-11-27 05:05:32 C 02 47 03.73 +03 55 03.1 V 807
2021-11-27 05:17:13 C 02 47 01.86 +03 55 21.6 V 807
2021-11-28 06:27:36 C 02 43 02.31 +04 35 32.4 o 291
2021-11-28 06:52:38 C 02 42 58.20 +04 36 13.0 o 291
2021-11-28 07:17:45 C 02 42 54.09 +04 36 54.0 o 291
2021-12-06 02:56:08 C 02 12 28.15 +10 08 27.8 V 807
2021-12-06 03:08:22 C 02 12 26.11 +10 08 50.6 V 807
2021-12-06 03:20:04 C 02 12 24.16 +10 09 12.4 V 807
2022-05-07 05:30:02 C 14 24 46.64 +41 00 21.6 V I52
2022-05-07 05:42:11 C 14 24 44.91 +40 59 30.3 V I52
2022-05-07 05:54:20 C 14 24 43.12 +40 58 38.1 V I52
2022-05-07 06:50:44 C 14 24 35.07 +40 54 37.4 V I52
2022-05-07 07:09:31 C 14 24 32.38 +40 53 17.1 V I52
2022-05-07 07:28:18 C 14 24 29.67 +40 51 57.0 V I52
2022-05-08 03:30:06 C 14 21 52.54 +39 26 05.4 V I52
2022-05-08 03:57:35 C 14 21 48.92 +39 24 08.1 V I52
2022-05-09 04:21:31 C 14 18 46.90 +37 39 21.1 V I52
2022-05-09 05:10:06 C 14 18 40.75 +37 35 52.7 V I52
2022-05-09 05:34:23 C 14 18 37.68 +37 34 09.0 V I52
2022-05-19 04:07:26 C 13 57 52.42 +21 04 44.2 u H21
2022-05-19 04:16:05 C 13 57 51.86 +21 04 10.9 u H21
2022-05-19 04:23:39 C 13 57 51.38 +21 03 41.6 u H21