2021 WV4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5370885717 ± 1.37e-05
Semi-major axis (a)2.4608177376 AU ± 7.85e-05
Inclination (i)12.57097779° ± 2.17e-04
Long. of Asc. Node (Ω)276.97503577° ± 3.05e-04
Arg. of Perihelion (ω)213.69115160° ± 1.76e-04
Mean Anomaly (M)349.08137564° ± 1.68e-02
Mean Motion (n)0.2553248605°/day ± 1.22e-05
Perihelion dist (q)1.13914065 AU ± 4.96e-05
Aphelion dist (Q)3.78249482 AU ± 1.25e-04
Orbital Period3.86028325 yr ± 1.85e-04
Physical Parameters
H (abs. magnitude)21.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.350″
Uncertainty2
Orbit TypeAmor
MOID0.184413 AU
Observations Used40
Oppositions1
Arc Total2021-2022
First Observation Used2021-11-28
Last Observation Used2022-01-27
Observations (40)
Date Type RA Dec Mag Band Observatory
2021-11-28 06:23:22 C 02 34 37.47 +37 31 27.6 V V00
2021-11-28 06:30:23 C 02 34 37.07 +37 31 22.0 V V00
2021-11-28 06:37:23 C 02 34 36.67 +37 31 17.2 V V00
2021-11-28 06:44:23 C 02 34 36.31 +37 31 11.9 V V00
2021-11-28 07:48:27 C 02 34 32.81 +37 30 22.8 o 291
2021-11-28 08:05:04 C 02 34 31.85 +37 30 09.8 o 291
2021-11-28 08:21:44 C 02 34 30.95 +37 29 57.0 o 291
2021-11-29 02:40:06 C 02 33 37.68 +37 16 02.2 V I52
2021-11-29 02:47:41 C 02 33 37.23 +37 15 56.5 V I52
2021-11-29 02:55:16 C 02 33 36.83 +37 15 51.4 V I52
2021-11-30 10:11:54 C 02 32 04.41 +36 51 08.6 o 291
2021-11-30 10:36:50 C 02 32 03.17 +36 50 47.8 o 291
2021-12-01 01:16:54 C 02 31 23.88 +36 38 55.9 u H21
2021-12-01 01:26:50 C 02 31 23.38 +36 38 48.0 u H21
2021-12-01 01:59:48 C 02 31 22.16 +36 38 20.6 V V06
2021-12-01 02:01:55 C 02 31 22.08 +36 38 19.4 V V06
2021-12-01 02:06:11 C 02 31 21.85 +36 38 15.6 V V06
2021-12-03 09:31:33 C 02 28 54.14 +35 51 07.1 V V06
2021-12-03 09:36:08 C 02 28 53.97 +35 51 02.7 V V06
2021-12-03 09:40:43 C 02 28 53.79 +35 50 58.5 V V06
2021-12-03 09:45:17 C 02 28 53.63 +35 50 54.2 V V06
2021-12-09 02:05:35 C 02 24 10.18 +33 43 19.8 V V06
2021-12-09 02:11:19 C 02 24 09.98 +33 43 14.4 V V06
2021-12-09 02:17:02 C 02 24 09.79 +33 43 08.6 V V06
2021-12-23 01:03:37 C 02 21 41.46 +27 48 06.0 u H21
2021-12-23 01:11:48 C 02 21 41.53 +27 47 57.1 u H21
2022-01-05 03:36:05 C 02 32 23.35 +22 09 18.6 V I52
2022-01-05 03:47:08 C 02 32 23.88 +22 09 07.7 V I52
2022-01-05 03:58:10 C 02 32 24.41 +22 08 56.1 V I52
2022-01-05 04:09:13 C 02 32 24.87 +22 08 43.6 V I52
2022-01-08 01:12:29 C 02 36 25.74 +20 57 44.3 u H21
2022-01-08 01:28:20 C 02 36 26.63 +20 57 27.7 u H21
2022-01-08 01:45:59 C 02 36 27.66 +20 57 10.0 u H21
2022-01-22 00:59:47 C 03 03 29.24 +15 36 34.7 u H21
2022-01-22 01:06:03 C 03 03 29.80 +15 36 28.9 u H21
2022-01-22 01:12:18 C 03 03 30.41 +15 36 23.7 u H21
2022-01-22 01:25:26 C 03 03 31.62 +15 36 11.7 u H21
2022-01-27 01:44:00 C 03 15 58.29 +13 50 19.4 u H21
2022-01-27 01:50:41 C 03 15 58.98 +13 50 14.0 u H21
2022-01-27 01:56:43 C 03 15 59.63 +13 50 08.7 u H21