2021 EL4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2986006903 ± 6.38e-07
Semi-major axis (a)0.9171578022 AU ± 1.60e-07
Inclination (i)1.65263096° ± 5.43e-06
Long. of Asc. Node (Ω)180.73777522° ± 1.68e-05
Arg. of Perihelion (ω)229.66021593° ± 4.23e-05
Mean Anomaly (M)212.22171908° ± 4.62e-04
Mean Motion (n)1.1221377656°/day ± 2.93e-07
Perihelion dist (q)0.64329385 AU ± 5.96e-07
Aphelion dist (Q)1.19102176 AU ± 6.21e-07
Orbital Period0.87834695 yr ± 2.29e-07
Physical Parameters
H (abs. magnitude)25.78
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.301″
Uncertainty0
Orbit TypeAten
MOID0.003975 AU
Observations Used154
Oppositions1
Arc Total2021-2022
First Observation Used2021-03-15
Last Observation Used2022-06-27
Observations (155)
Date Type RA Dec Mag Band Observatory
2021-03-15 08:10:19 C 09 21 10.16 -03 20 18.9 V T08
2021-03-15 08:22:56 C 09 21 22.67 -03 16 20.9 V T08
2021-03-15 09:14:00 C 09 22 12.55 -03 00 33.0 V T08
2021-03-15 12:16:01 C 09 25 08.13 -02 07 38.4 V T05
2021-03-15 12:16:11 C 09 25 07.70 -02 07 21.5 V T08
2021-03-15 12:16:40 C 09 25 08.76 -02 07 27.8 V T05
2021-03-15 12:16:50 C 09 25 08.37 -02 07 10.2 V T08
2021-03-15 12:17:20 C 09 25 09.40 -02 07 17.0 V T05
2021-03-15 12:17:30 C 09 25 09.03 -02 06 58.8 V T08
2021-03-15 12:17:59 C 09 25 10.05 -02 07 05.7 V T05
2021-03-15 12:18:10 C 09 25 09.65 -02 06 47.8 V T08
2021-03-15 12:18:39 C 09 25 10.68 -02 06 54.9 V T05
2021-03-15 12:18:50 C 09 25 10.30 -02 06 37.4 V T08
2021-03-15 18:39:18 C 09 32 17.68 -00 34 43.1 V K83
2021-03-15 18:41:06 C 09 32 19.02 -00 34 17.9 V K83
2021-03-15 18:42:54 C 09 32 20.44 -00 33 53.4 V K83
2021-03-15 18:44:41 C 09 32 21.79 -00 33 27.9 V K83
2021-03-15 18:51:33 C 09 32 28.35 -00 31 59.1 q C77
2021-03-15 18:53:42 C 09 32 29.98 -00 31 29.9 q C77
2021-03-15 18:55:59 C 09 32 31.73 -00 30 58.6 q C77
2021-03-15 19:13:38 C 09 32 43.96 -00 27 09.8 V 204
2021-03-15 19:14:54 C 09 32 42.70 -00 26 48.0 V L01
2021-03-15 19:15:58 C 09 32 43.49 -00 26 33.3 V L01
2021-03-15 19:18:15 C 09 32 45.17 -00 26 02.5 V L01
2021-03-15 19:19:22 C 09 32 45.99 -00 25 47.3 V L01
2021-03-15 19:20:30 C 09 32 46.82 -00 25 32.0 V L01
2021-03-15 19:20:50 C 09 32 49.33 -00 25 32.3 V 204
2021-03-15 19:21:37 C 09 32 47.65 -00 25 16.9 V L01
2021-03-15 19:28:01 C 09 32 54.65 -00 23 54.9 V 204
2021-03-15 19:42:19 C 09 33 07.97 -00 21 24.2 V J95
2021-03-15 19:44:18 C 09 33 09.44 -00 20 57.6 V J95
2021-03-15 19:47:24 C 09 33 11.75 -00 20 16.2 V J95
2021-03-15 19:50:27 C 09 33 10.23 -00 18 36.5 V G17
2021-03-15 19:50:59 C 09 33 10.68 -00 18 29.8 V L39
2021-03-15 19:51:11 C 09 33 14.59 -00 19 25.7 V J95
2021-03-15 19:53:10 C 09 33 12.25 -00 18 00.6 V L39
2021-03-15 19:53:26 C 09 33 12.41 -00 17 56.5 V G17
2021-03-15 19:56:24 C 09 33 14.51 -00 17 17.1 V G17
2021-03-15 19:56:38 C 09 33 14.82 -00 17 13.6 V L39
2021-03-15 19:56:42 C 09 33 13.16 -00 17 30.2 V 595
2021-03-15 19:58:53 C 09 33 14.73 -00 17 01.0 V 595
2021-03-15 19:59:18 C 09 33 16.59 -00 16 38.6 V G17
2021-03-15 20:01:05 C 09 33 16.30 -00 16 31.7 V 595
2021-03-15 20:02:03 C 09 33 18.55 -00 16 01.7 V G17
2021-03-15 20:03:16 C 09 33 17.88 -00 16 03.1 V 595
2021-03-15 20:04:38 C 09 33 20.37 -00 15 27.2 V G17
2021-03-15 20:23:06 C 09 33 34.38 -00 11 37.2 V 203
2021-03-15 20:28:17 C 09 33 38.05 -00 10 29.3 V 203
2021-03-15 20:32:04 C 09 33 40.70 -00 09 39.6 V 203
2021-03-15 20:44:00 C 09 33 48.23 -00 06 49.7 V 160