2021 VA4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4502319229 ± 2.01e-04
Semi-major axis (a)2.0246666828 AU ± 8.25e-04
Inclination (i)4.44218777° ± 1.55e-03
Long. of Asc. Node (Ω)41.87594033° ± 5.68e-04
Arg. of Perihelion (ω)358.40910808° ± 4.00e-04
Mean Anomaly (M)145.40026639° ± 3.11e-01
Mean Motion (n)0.3421227637°/day ± 2.09e-04
Perihelion dist (q)1.11309711 AU ± 6.09e-04
Aphelion dist (Q)2.93623626 AU ± 1.26e-03
Orbital Period2.88091407 yr ± 1.76e-03
Physical Parameters
H (abs. magnitude)24.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.262″
Uncertainty3
Orbit TypeAmor
MOID0.119401 AU
Observations Used24
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-11
Last Observation Used2021-11-15
Observations (25)
Date Type RA Dec Mag Band Observatory
2021-10-11 06:58:20 C 00 53 40.84 -10 01 47.8 V G96
2021-10-11 07:05:49 C 00 53 41.19 -10 01 38.6 V G96
2021-10-11 07:23:28 C 00 53 42.21 -10 01 12.5 V G96
2021-10-28 05:01:35 C 01 31 02.97 +03 10 30.2 V G96
2021-10-28 05:09:04 C 01 31 03.77 +03 10 48.1 V G96
2021-10-28 05:24:02 C 01 31 05.13 +03 11 25.4 V G96
2021-11-07 06:14:11 C 02 00 54.480 +13 26 33.54 U F52
2021-11-07 06:43:37 C 02 00 57.950 +13 27 49.64 U F52
2021-11-07 06:58:21 C 02 00 59.678 +13 28 27.56 U F52
2021-11-07 13:26:25 C 02 01 44.591 +13 44 46.96 V F51
2021-11-07 13:27:36 C 02 01 44.746 +13 44 50.50 V F51
2021-11-07 20:13:15 C 02 02 44.10 +14 01 30.0 V 033
2021-11-07 20:16:19 C 02 02 44.44 +14 01 37.6 V 033
2021-11-07 20:19:24 C 02 02 44.82 +14 01 45.2 V 033
2021-11-07 20:22:38 C 02 02 45.23 +14 01 53.9 V 033
2021-11-08 02:47:20 C 02 03 36.06 +14 19 35.0 V 807
2021-11-08 02:52:40 C 02 03 36.68 +14 19 48.4 V 807
2021-11-08 02:57:59 C 02 03 37.30 +14 20 01.8 V 807
2021-11-08 03:42:15 C 02 03 43.53 +14 20 34.7 u H21
2021-11-08 03:57:51 C 02 03 45.37 +14 21 14.6 u H21
2021-11-08 04:16:18 C 02 03 47.54 +14 22 00.9 u H21
2021-11-15 03:01:34 C 02 26 36.93 +20 57 02.2 V V06
2021-11-15 03:05:00 C 02 26 37.35 +20 57 10.1 V V06
2021-11-15 03:08:26 C 02 26 37.79 +20 57 17.6 V V06
2021-11-15 03:11:52 C 02 26 38.27 +20 57 25.2 V V06