2021 VS4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.4295718000 ± 2.00e+00
Semi-major axis (a)	1.4876952000 AU ± 3.00e+00
Inclination (i)	5.87508000° ± 4.00e+00
Long. of Asc. Node (Ω)	222.40079000° ± 5.00e+00
Arg. of Perihelion (ω)	118.34477000° ± 6.00e+00
Mean Anomaly (M)	107.41494000° ± 8.80e+01
Mean Motion (n)	0.5431666931°/day ± 1.64e+00
Perihelion dist (q)	0.84862330 AU ± 3.43e+00
Aphelion dist (Q)	2.12676710 AU ± 5.22e+00
Orbital Period	1.81455840 yr ± 5.49e+00

Physical Parameters

H (abs. magnitude)	27.76
G (slope)	0.15

Orbit Solution

Source	MPC
Solution Date	—
RMS Residual	—″
Uncertainty	5
Orbit Type	Apollo
MOID	0.004428 AU
Observations Used	16
Oppositions	1
Arc Total	—
First Observation Used	—
Last Observation Used	2021-11-09

Observations (16)

Date	Type	RA	Dec	Mag	Band	Observatory
2021-11-07 09:27:22	C	03 06 18.652	+08 39 16.30	–	U	F52
2021-11-07 09:43:57	C	03 06 23.207	+08 38 24.74	–	U	F52
2021-11-07 10:00:35	C	03 06 27.766	+08 37 32.43	–	U	F52
2021-11-07 13:58:10	C	03 07 32.082	+08 25 17.19	–	V	F51
2021-11-07 13:59:20	C	03 07 32.440	+08 25 13.63	–	V	F51
2021-11-07 14:00:31	C	03 07 32.826	+08 25 09.43	–	V	F51
2021-11-07 14:01:42	C	03 07 33.097	+08 25 05.32	–	V	F51
2021-11-07 21:04:31	C	03 10 02.51	+08 03 50.3	–	V	033
2021-11-07 21:07:13	C	03 10 03.15	+08 03 43.5	–	V	033
2021-11-07 21:09:56	C	03 10 03.85	+08 03 36.7	–	V	033
2021-11-07 21:12:47	C	03 10 04.56	+08 03 29.3	–	V	033
2021-11-08 08:52:56	C	03 13 09.455	+07 37 40.13	–	U	F51
2021-11-08 08:59:50	C	03 13 10.693	+07 37 25.63	–	U	F51
2021-11-08 09:06:41	C	03 13 11.909	+07 37 11.22	–	U	F51
2021-11-09 05:46:29	C	03 17 25.10	+06 57 20.9	–	u	H21
2021-11-09 05:56:43	C	03 17 26.48	+06 57 04.3	–	u	H21