2021 LC4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6319097000
Semi-major axis (a)2.2491554000 AU
Inclination (i)3.45143000°
Long. of Asc. Node (Ω)83.57066000°
Arg. of Perihelion (ω)236.24559000°
Mean Anomaly (M)102.76342000°
Mean Motion (n)0.2921964200°/day
Perihelion dist (q)0.82789230 AU
Aphelion dist (Q)3.67041850 AU
Orbital Period3.37309980 yr
Physical Parameters
H (abs. magnitude)26.47
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.730″
Uncertainty7
Orbit TypeApollo
MOID0.002494 AU
Observations Used67
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-06-12
Observations (73)
Date Type RA Dec Mag Band Observatory
2021-06-02 09:58:17 C 16 10 27.512 -11 43 48.05 V F51
2021-06-02 10:15:35 C 16 10 27.068 -11 43 39.33 V F51
2021-06-02 10:32:50 C 16 10 26.590 -11 43 30.10 V F51
2021-06-02 10:50:09 C 16 10 26.173 -11 43 20.98 V F51
2021-06-06 10:09:29 C 16 11 08.496 -10 25 20.93 U F51
2021-06-06 10:25:49 C 16 11 07.940 -10 24 58.67 U F51
2021-06-10 10:42:50 C 16 16 20.851 -03 26 33.18 U F51
2021-06-10 11:00:08 C 16 16 21.427 -03 22 23.80 U F51
2021-06-10 11:17:27 C 16 16 22.095 -03 18 10.61 U F51
2021-06-10 12:50:18 C 16 16 27.966 -02 54 29.24 V F51
2021-06-10 12:51:29 C 16 16 28.073 -02 54 10.64 V F51
2021-06-10 13:17:31 C 16 17 09.73 -02 49 39.4 q 900
2021-06-10 13:22:49 C 16 17 10.07 -02 48 13.7 q 900
2021-06-10 13:28:07 C 16 17 10.46 -02 46 47.7 q 900
2021-06-10 20:29:48 C 16 19 10.71 -00 29 43.8 V 595
2021-06-10 20:40:21 C 16 19 14.61 -00 25 10.1 V L39
2021-06-10 20:43:19 C 16 19 13.16 -00 24 18.6 V 595
2021-06-10 20:43:28 C 16 19 15.16 -00 23 53.2 V L39
2021-06-10 20:46:35 C 16 19 15.78 -00 22 38.7 V L39
2021-06-10 20:49:58 C 16 19 14.80 -00 07 15.6 V L29
2021-06-10 20:50:13 C 16 19 14.40 -00 21 30.1 V 595
2021-06-10 20:51:02 C 16 19 14.94 -00 06 49.9 V L29
2021-06-10 20:52:03 C 16 19 15.08 -00 06 24.2 V L29
2021-06-10 20:57:07 C 16 19 15.68 -00 18 41.2 V 595
2021-06-10 21:06:09 C 16 19 17.30 -00 14 51.7 V L01
2021-06-10 21:07:52 C 16 19 17.62 -00 14 08.9 V L01
2021-06-10 21:09:35 C 16 19 17.92 -00 13 26.0 V L01
2021-06-10 21:11:18 C 16 19 18.22 -00 12 43.2 V L01
2021-06-10 21:13:02 C 16 19 18.53 -00 11 59.8 V L01
2021-06-10 22:07:26 C 16 19 36.59 +00 10 22.9 V Z80
2021-06-10 22:15:58 C 16 20 13.62 +00 29 24.3 X Y00
2021-06-10 22:17:15 C 16 20 13.94 +00 29 58.8 X Y00
2021-06-10 22:18:30 C 16 20 14.28 +00 30 33.6 X Y00
2021-06-10 22:20:46 C 16 19 39.43 +00 16 18.8 V Z80
2021-06-10 22:58:45 C 16 19 48.33 +00 34 56.2 V 958
2021-06-10 23:13:16 C 16 19 51.24 +00 41 47.7 V 958
2021-06-10 23:20:01 C 16 19 52.58 +00 45 01.0 V 958
2021-06-10 23:23:52 C 16 19 37.46 +01 02 00.8 V L81
2021-06-10 23:28:11 C 16 19 38.19 +01 04 07.5 V L81
2021-06-10 23:32:42 C 16 19 38.95 +01 06 21.6 V L81
2021-06-11 06:28:15 C 16 23 28.15 +05 15 53.7 V I52
2021-06-11 06:29:27 C 16 23 28.60 +05 16 52.6 V I52
2021-06-11 06:30:38 C 16 23 29.07 +05 17 51.0 V I52
2021-06-11 06:31:48 C 16 23 29.53 +05 18 49.1 V I52
2021-06-11 09:58:01 C 16 25 59.69 +08 41 56.4 V T08
2021-06-11 10:08:40 C 16 26 05.64 +08 54 05.4 V T08
2021-06-11 10:14:40 C 16 26 09.02 +09 00 58.2 V T08
2021-06-11 10:32:17 C 16 26 19.32 +09 21 40.8 V T08
2021-06-11 21:15:26 C 16 51 16.55 +34 26 31.4 V G34
2021-06-11 21:15:58 C 16 51 19.00 +34 28 52.8 V G34