2021 LJ4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3820156028 ± 2.48e-07
Semi-major axis (a)0.6763871229 AU ± 6.18e-09
Inclination (i)9.82365618° ± 8.36e-06
Long. of Asc. Node (Ω)277.55349851° ± 5.67e-05
Arg. of Perihelion (ω)56.63907161° ± 6.14e-05
Mean Anomaly (M)274.80065511° ± 6.79e-05
Mean Motion (n)1.7718186955°/day ± 2.43e-08
Perihelion dist (q)0.41799669 AU ± 1.67e-07
Aphelion dist (Q)0.93477756 AU ± 1.68e-07
Orbital Period0.55627942 yr ± 7.63e-09
Physical Parameters
H (abs. magnitude)20.11
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.111″
Uncertainty0
Orbit TypeAtira
MOID0.127867 AU
Observations Used25
Oppositions6
Arc Total2016-2024
First Observation Used2016-03-05
Last Observation Used2024-01-03
Observations (26)
Date Type RA Dec Mag Band Observatory
2016-03-05 05:35:43 C 02 30 25.918 +11 19 32.70 V F51
2016-03-05 05:41:35 C 02 30 27.254 +11 19 36.02 V F51
2016-03-05 05:47:30 C 02 30 28.642 +11 19 39.43 V F51
2016-03-05 05:53:24 C 02 30 30.000 +11 19 42.77 V F51
2021-06-06 22:50:27 C 08 15 04.828 +10 47 35.43 V 807
2021-06-06 22:56:47 C 08 15 05.424 +10 47 34.42 V 807
2021-06-06 23:02:05 C 08 15 05.916 +10 47 33.62 V 807
2021-06-08 22:59:03 C 08 19 31.783 +10 41 59.16 V 807
2021-06-08 23:05:32 C 08 19 32.356 +10 41 58.16 V 807
2021-06-09 05:55:05 C 08 20 09.113 +10 41 08.48 V T14
2021-06-09 05:59:54 C 08 20 09.530 +10 41 07.95 V T14
2021-06-09 22:54:59 C 08 21 40.113 +10 39 44.70 V 807
2021-06-09 23:00:04 C 08 21 40.557 +10 39 43.91 V 807
2021-06-11 06:01:20 C 08 24 22.024 +10 37 16.95 V T14
2021-06-11 06:03:45 C 08 24 22.226 +10 37 16.79 V T14
2021-06-11 06:06:09 C 08 24 22.429 +10 37 16.64 V T14
2021-06-12 23:10:53 C 08 27 47.73 +10 35 35.3 W W84
2021-06-12 23:17:38 C 08 27 48.27 +10 35 35.0 W W84
2021-06-12 23:19:07 C 08 27 48.39 +10 35 35.0 W W84
2022-05-09 05:43:34 C 05 57 57.876 +19 18 18.09 V T14
2022-05-24 05:57:27 C 06 58 10.562 +17 34 14.70 V T14
2022-12-14 15:50:18 C 13 38 56.004 -17 34 41.43 V T14
2022-12-14 15:51:43 C 13 38 56.207 -17 34 42.96 V T14
2024-01-03 12:12:26 C 14 06 50.648 -23 34 49.87 V I52
2024-01-03 12:23:35 C 14 06 51.653 -23 35 03.55 V I52
2024-01-03 12:34:45 C 14 06 52.664 -23 35 19.18 V I52