2021 VB4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6189006000
Semi-major axis (a)2.5540626000 AU
Inclination (i)39.06358000°
Long. of Asc. Node (Ω)203.95530000°
Arg. of Perihelion (ω)172.14297000°
Mean Anomaly (M)4.37222000°
Mean Motion (n)0.2414664300°/day
Perihelion dist (q)0.97335170 AU
Aphelion dist (Q)4.13477350 AU
Orbital Period4.08175850 yr
Physical Parameters
H (abs. magnitude)21.56
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.930″
Uncertainty9
Orbit TypeApollo
MOID0.021125 AU
Observations Used26
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-11-07
Observations (27)
Date Type RA Dec Mag Band Observatory
2021-11-01 06:16:11 S 07 22 38.573 -46 24 36.50 L C51
2021-11-01 15:40:58 S 07 22 07.032 -46 46 21.07 L C51
2021-11-01 20:23:21 S 07 21 51.514 -46 56 59.14 L C51
2021-11-01 21:57:25 S 07 21 46.260 -47 00 30.10 L C51
2021-11-02 13:37:54 S 07 20 54.14 -47 34 44.2 L C51
2021-11-02 18:20:50 S 07 20 38.52 -47 44 43.5 L C51
2021-11-02 19:54:54 S 07 20 33.22 -47 48 03.4 L C51
2021-11-02 19:55:05 S 07 20 33.39 -47 48 00.2 L C51
2021-11-02 23:03:13 S 07 20 22.84 -47 54 31.2 L C51
2021-11-03 02:11:32 S 07 20 12.34 -48 01 00.7 L C51
2021-11-03 03:44:53 S 07 20 07.11 -48 04 12.7 L C51
2021-11-03 05:18:56 S 07 20 01.82 -48 07 24.4 L C51
2021-11-03 10:02:03 S 07 19 46.25 -48 16 55.0 L C51
2021-11-03 16:18:30 S 07 19 25.55 -48 29 28.6 L C51
2021-11-03 17:52:35 S 07 19 20.14 -48 32 27.7 L C51
2021-11-03 19:26:38 S 07 19 14.935 -48 35 34.58 L C51
2021-11-04 01:43:05 S 07 18 53.981 -48 47 39.48 L C51
2021-11-04 07:35:15 C 07 18 35.91 -48 59 05.8 V 807
2021-11-04 07:43:14 C 07 18 35.38 -48 59 21.4 V 807
2021-11-04 07:51:13 C 07 18 34.81 -48 59 36.6 V 807
2021-11-05 15:31:24 C 07 16 48.58 -49 56 30.2 V 474
2021-11-05 15:41:32 C 07 16 47.88 -49 56 48.2 V 474
2021-11-07 14:50:44 C 07 14 08.07 -51 12 41.5 V 474
2021-11-07 15:00:52 C 07 14 07.45 -51 12 57.9 V 474
2021-11-07 15:11:00 C 07 14 06.79 -51 13 13.3 V 474
2021-11-07 15:21:19 C 07 14 06.11 -51 13 28.8 V 474
2021-11-07 15:31:27 C 07 14 05.45 -51 13 44.7 V 474