2021 LG4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.4144311129 ± 9.81e-04
Semi-major axis (a)	1.8226604396 AU ± 3.32e-03
Inclination (i)	16.05385159° ± 8.59e-02
Long. of Asc. Node (Ω)	52.98158033° ± 1.24e-02
Arg. of Perihelion (ω)	280.29643162° ± 1.41e-01
Mean Anomaly (M)	246.69189788° ± 1.65e+00
Mean Motion (n)	0.4005471307°/day ± 1.10e-03
Perihelion dist (q)	1.06729325 AU ± 2.64e-03
Aphelion dist (Q)	2.57802763 AU ± 5.03e-03
Orbital Period	2.46069990 yr ± 6.73e-03

Physical Parameters

H (abs. magnitude)	21.58
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-06-02
RMS Residual	0.305″
Uncertainty	4
Orbit Type	Amor
MOID	0.238562 AU
Observations Used	17
Oppositions	1
Arc Total	2021-2021
First Observation Used	2021-06-08
Last Observation Used	2021-06-13

Observations (18)

Date	Type	RA	Dec	Mag	Band	Observatory
2021-06-08 06:45:37	C	14 02 54.598	-19 16 00.59	–	U	F51
2021-06-08 07:17:13	C	14 02 52.182	-19 16 16.54	–	U	F51
2021-06-08 07:33:03	C	14 02 50.966	-19 16 24.39	–	U	F51
2021-06-09 00:00:48	C	14 01 40.36	-19 24 30.0	–	V	807
2021-06-09 00:21:00	C	14 01 38.88	-19 24 40.9	–	V	807
2021-06-09 00:40:39	C	14 01 37.41	-19 24 51.0	–	V	807
2021-06-09 06:04:46	C	14 01 14.518	-19 27 46.69	–	V	568
2021-06-09 06:06:31	C	14 01 14.392	-19 27 47.54	–	V	568
2021-06-09 06:08:16	C	14 01 14.265	-19 27 48.41	–	V	568
2021-06-10 23:46:31	C	13 58 22.93	-19 48 52.5	–	V	807
2021-06-11 00:02:44	C	13 58 21.80	-19 49 01.0	–	V	807
2021-06-11 00:18:25	C	13 58 20.64	-19 49 08.6	–	V	807
2021-06-11 04:07:12	C	13 58 05.16	-19 51 21.2	–	V	291
2021-06-11 04:38:24	C	13 58 03.02	-19 51 36.9	–	V	291
2021-06-11 05:09:37	C	13 58 00.98	-19 51 51.8	–	V	291
2021-06-13 03:01:02	C	13 55 04.88	-20 15 28.4	–	V	807
2021-06-13 03:11:39	C	13 55 04.26	-20 15 34.6	–	V	807
2021-06-13 03:22:17	C	13 55 03.54	-20 15 39.6	–	V	807