2021 JG4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.2899142726 ± 5.85e-05
Semi-major axis (a)	1.4347243625 AU ± 1.36e-04
Inclination (i)	17.10417146° ± 2.83e-03
Long. of Asc. Node (Ω)	49.35253461° ± 5.57e-04
Arg. of Perihelion (ω)	101.00854552° ± 3.56e-03
Mean Anomaly (M)	275.23790206° ± 1.43e-01
Mean Motion (n)	0.5735345257°/day ± 8.13e-05
Perihelion dist (q)	1.01877729 AU ± 1.28e-04
Aphelion dist (Q)	1.85067143 AU ± 1.94e-04
Orbital Period	1.71851256 yr ± 2.44e-04

Physical Parameters

H (abs. magnitude)	23.55
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-06-02
RMS Residual	0.190″
Uncertainty	3
Orbit Type	Amor
MOID	0.175435 AU
Observations Used	16
Oppositions	1
Arc Total	2021-2021
First Observation Used	2021-05-01
Last Observation Used	2021-05-22

Observations (16)

Date	Type	RA	Dec	Mag	Band	Observatory
2021-05-01 06:57:58	C	14 30 55.682	+04 43 06.05	–	V	F52
2021-05-01 07:34:51	C	14 30 50.548	+04 40 42.78	–	V	F52
2021-05-01 07:53:21	C	14 30 47.964	+04 39 32.69	–	V	F52
2021-05-08 09:44:10	C	14 11 19.495	-05 19 17.99	–	U	F51
2021-05-08 10:01:24	C	14 11 17.619	-05 20 12.09	–	U	F51
2021-05-08 10:18:39	C	14 11 15.736	-05 21 06.34	–	U	F51
2021-05-09 07:15:28	C	14 09 17.088	-06 25 54.75	–	V	568
2021-05-09 07:16:54	C	14 09 16.941	-06 25 59.13	–	V	568
2021-05-09 07:18:21	C	14 09 16.790	-06 26 03.56	–	V	568
2021-05-10 05:06:04	C	14 07 16.32	-07 31 26.5	–	V	V06
2021-05-10 05:09:54	C	14 07 15.92	-07 31 38.4	–	V	V06
2021-05-10 05:13:44	C	14 07 15.54	-07 31 48.7	–	V	V06
2021-05-10 05:17:34	C	14 07 15.15	-07 32 00.5	–	V	V06
2021-05-22 02:56:17	C	13 49 19.33	-18 36 21.2	–	V	807
2021-05-22 03:10:09	C	13 49 18.71	-18 36 46.0	–	V	807
2021-05-22 03:23:40	C	13 49 18.10	-18 37 10.1	–	V	807