2020 WN4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3396582925 ± 2.96e-06
Semi-major axis (a)1.4700709049 AU ± 6.50e-06
Inclination (i)5.89271397° ± 4.12e-05
Long. of Asc. Node (Ω)49.22836899° ± 8.25e-05
Arg. of Perihelion (ω)89.80649462° ± 5.68e-05
Mean Anomaly (M)252.40526010° ± 6.45e-03
Mean Motion (n)0.5529741793°/day ± 3.67e-06
Perihelion dist (q)0.97074913 AU ± 6.12e-06
Aphelion dist (Q)1.96939268 AU ± 9.74e-06
Orbital Period1.78240923 yr ± 1.18e-05
Physical Parameters
H (abs. magnitude)22.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.367″
Uncertainty1
Orbit TypeApollo
MOID0.087562 AU
Observations Used68
Oppositions1
Arc Total2020-2021
First Observation Used2020-11-12
Last Observation Used2021-05-07
Observations (68)
Date Type RA Dec Mag Band Observatory
2020-12-18 11:58:30 C 11 13 17.71 +36 13 34.4 V G96
2020-12-18 12:06:47 C 11 13 21.22 +36 13 28.1 V G96
2020-12-18 12:15:08 C 11 13 24.77 +36 13 21.3 V G96
2020-12-26 12:27:22 C 12 33 37.57 +31 58 27.2 V I52
2020-12-26 12:29:26 C 12 33 38.31 +31 58 24.2 V I52
2021-01-03 11:16:44 C 13 38 32.60 +25 40 32.7 V 695
2021-01-03 11:26:51 C 13 38 35.43 +25 40 12.1 V 695
2021-01-03 11:36:58 C 13 38 38.35 +25 39 51.1 V 695
2021-01-08 15:41:33 C 14 12 00.865 +21 21 11.01 V T12
2021-01-08 15:43:54 C 14 12 01.402 +21 21 06.32 V T12
2021-01-08 15:46:05 C 14 12 01.903 +21 21 01.88 V T12
2021-03-10 11:24:10 C 17 07 43.91 -09 15 55.8 o 291
2021-03-10 11:49:06 C 17 07 45.19 -09 16 13.8 o 291
2021-05-06 09:58:24 C 16 42 53.16 -23 33 44.8 o 291
2021-05-06 10:08:04 C 16 42 52.17 -23 33 48.7 o 291
2021-05-06 10:17:47 C 16 42 51.16 -23 33 53.3 o 291
2021-05-07 09:14:25 C 16 40 37.10 -23 44 00.1 o 291
2021-05-07 09:33:54 C 16 40 35.11 -23 44 08.4 o 291