2020 WS4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5576583951 ± 4.26e-05
Semi-major axis (a)1.8693410979 AU ± 1.58e-04
Inclination (i)0.58125147° ± 1.03e-04
Long. of Asc. Node (Ω)121.22198275° ± 1.88e-02
Arg. of Perihelion (ω)3.32407909° ± 1.99e-02
Mean Anomaly (M)325.97361476° ± 8.82e-02
Mean Motion (n)0.3856376653°/day ± 4.90e-05
Perihelion dist (q)0.82688734 AU ± 1.06e-04
Aphelion dist (Q)2.91179485 AU ± 2.59e-04
Orbital Period2.55583511 yr ± 3.25e-04
Physical Parameters
H (abs. magnitude)26.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.346″
Uncertainty2
Orbit TypeApollo
MOID0.008039 AU
Observations Used28
Oppositions1
Arc Total2020-2020
First Observation Used2020-11-24
Last Observation Used2020-11-26
Observations (30)
Date Type RA Dec Mag Band Observatory
2020-11-24 06:26:48 C 04 48 28.36 +07 25 18.6 V G96
2020-11-24 06:34:13 C 04 48 34.44 +07 24 38.8 V G96
2020-11-24 06:41:39 C 04 48 40.43 +07 23 59.6 V G96
2020-11-24 06:49:05 C 04 48 46.43 +07 23 20.0 V G96
2020-11-24 08:48:45 C 04 50 24.55 +07 12 25.0 V I52
2020-11-24 08:51:39 C 04 50 27.00 +07 12 08.2 V I52
2020-11-24 08:54:34 C 04 50 29.42 +07 11 52.2 V I52
2020-11-24 08:57:28 C 04 50 31.85 +07 11 36.1 V I52
2020-11-24 21:44:19 C 05 03 33.45 +05 50 07.2 V L01
2020-11-24 21:49:33 C 05 03 39.05 +05 49 30.4 V L01
2020-11-24 21:55:11 C 05 03 45.13 +05 48 50.2 V L01
2020-11-24 22:00:46 C 05 03 51.09 +05 48 10.7 V L01
2020-11-24 22:05:56 C 05 03 56.67 +05 47 34.2 V L01
2020-11-24 22:23:07 C 05 04 14.74 +05 45 16.1 V 246
2020-11-24 22:24:18 C 05 04 16.02 +05 45 08.3 V 246
2020-11-24 23:19:26 C 05 05 16.08 +05 38 30.1 V 246
2020-11-24 23:19:47 C 05 05 16.39 +05 38 25.5 V 246
2020-11-24 23:20:30 C 05 05 17.18 +05 38 22.5 V 246
2020-11-24 23:51:49 C 05 05 53.10 +05 34 44.0 V 204
2020-11-25 00:08:28 C 05 06 11.50 +05 32 40.4 V 204
2020-11-25 04:15:14 C 05 11 26.30 +05 01 37.2 V I52
2020-11-25 04:16:03 C 05 11 27.29 +05 01 31.0 V I52
2020-11-25 04:16:51 C 05 11 28.27 +05 01 24.5 V I52
2020-11-25 21:56:20 C 05 37 54.50 +02 08 31.0 V 246
2020-11-25 21:56:46 C 05 37 55.19 +02 08 26.2 V 246
2020-11-25 21:57:38 C 05 37 56.78 +02 08 16.4 V 246
2020-11-25 21:58:31 C 05 37 58.27 +02 08 06.2 V 246
2020-11-26 00:25:42 C 05 42 21.38 +01 38 26.3 V Z99
2020-11-26 00:28:51 C 05 42 27.12 +01 37 47.6 V Z99
2020-11-26 00:32:02 C 05 42 32.93 +01 37 08.5 V Z99