2021 VD4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3520771505 ± 1.27e-03
Semi-major axis (a)1.1911207548 AU ± 1.11e-03
Inclination (i)10.14777635° ± 4.40e-02
Long. of Asc. Node (Ω)233.63566383° ± 1.68e-02
Arg. of Perihelion (ω)50.97582406° ± 5.01e-03
Mean Anomaly (M)118.71507290° ± 1.67e+00
Mean Motion (n)0.7581909356°/day ± 1.06e-03
Perihelion dist (q)0.77175435 AU ± 1.68e-03
Aphelion dist (Q)1.61048716 AU ± 2.13e-03
Orbital Period1.29997107 yr ± 1.81e-03
Physical Parameters
H (abs. magnitude)23.49
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.277″
Uncertainty4
Orbit TypeApollo
MOID0.084938 AU
Observations Used23
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-27
Last Observation Used2021-11-09
Observations (23)
Date Type RA Dec Mag Band Observatory
2021-10-27 09:26:01 C 03 14 11.17 +33 13 11.7 V G96
2021-10-27 09:33:35 C 03 14 09.89 +33 12 53.2 V G96
2021-10-27 09:48:47 C 03 14 07.34 +33 12 14.3 V G96
2021-11-06 06:40:41 C 02 43 15.43 +24 02 59.5 V G96
2021-11-06 06:48:09 C 02 43 14.59 +24 02 44.0 V G96
2021-11-06 06:55:37 C 02 43 13.71 +24 02 28.3 V G96
2021-11-06 07:03:04 C 02 43 12.90 +24 02 13.1 V G96
2021-11-06 10:02:23 C 02 42 52.90 +23 55 56.1 V I52
2021-11-06 10:04:12 C 02 42 52.74 +23 55 52.2 V I52
2021-11-06 10:06:01 C 02 42 52.52 +23 55 48.4 V I52
2021-11-07 03:55:59 C 02 41 06.92 +23 19 04.7 V I52
2021-11-07 04:00:03 C 02 41 06.51 +23 18 57.4 V I52
2021-11-07 04:04:07 C 02 41 06.06 +23 18 49.6 V I52
2021-11-07 04:08:11 C 02 41 05.65 +23 18 40.7 V I52
2021-11-07 04:40:56 C 02 41 01.40 +23 17 33.3 u H21
2021-11-07 04:49:42 C 02 41 00.47 +23 17 15.6 u H21
2021-11-07 21:31:27 C 02 39 22.94 +22 43 31.6 V 033
2021-11-07 21:36:12 C 02 39 22.49 +22 43 22.0 V 033
2021-11-07 21:40:57 C 02 39 22.02 +22 43 12.6 V 033
2021-11-09 09:13:43 C 02 36 04.32 +21 34 05.7 V I52
2021-11-09 09:17:02 C 02 36 03.99 +21 33 59.4 V I52
2021-11-09 09:20:21 C 02 36 03.67 +21 33 52.7 V I52
2021-11-09 10:00:11 C 02 35 59.93 +21 32 36.4 V I52