2021 EG4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6261891066 ± 1.21e-06
Semi-major axis (a)1.5620294704 AU ± 1.83e-07
Inclination (i)17.59434506° ± 1.09e-04
Long. of Asc. Node (Ω)76.03894399° ± 3.95e-04
Arg. of Perihelion (ω)352.47351386° ± 3.10e-04
Mean Anomaly (M)183.26945995° ± 2.07e-04
Mean Motion (n)0.5048686933°/day ± 8.85e-08
Perihelion dist (q)0.58390363 AU ± 1.89e-06
Aphelion dist (Q)2.54015531 AU ± 1.91e-06
Orbital Period1.95224282 yr ± 3.42e-07
Physical Parameters
H (abs. magnitude)21.18
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.278″
Uncertainty0
Orbit TypeApollo
MOID0.295143 AU
Observations Used30
Oppositions1
Arc Total2021-2023
First Observation Used2021-03-10
Last Observation Used2023-04-15
Observations (30)
Date Type RA Dec Mag Band Observatory
2021-03-10 10:49:18 C 15 50 47.21 +34 09 44.6 V G96
2021-03-10 10:56:48 C 15 50 45.90 +34 09 48.9 V G96
2021-03-10 11:11:50 C 15 50 43.18 +34 09 56.7 V G96
2021-03-10 11:52:23 C 15 50 35.99 +34 10 19.3 V G96
2021-03-11 11:01:02 C 15 46 35.73 +34 22 15.5 V I52
2021-03-11 11:07:05 C 15 46 34.63 +34 22 18.9 V I52
2021-03-11 11:13:08 C 15 46 33.56 +34 22 21.1 V I52
2021-03-13 00:05:03 C 15 40 06.23 +34 39 31.2 V L01
2021-03-13 00:12:24 C 15 40 04.89 +34 39 34.4 V L01
2021-03-13 00:18:52 C 15 40 03.68 +34 39 36.9 V L01
2021-03-13 00:25:38 C 15 40 02.44 +34 39 39.5 V L01
2021-03-13 23:47:53 C 15 35 53.77 +34 49 24.0 V 033
2021-03-13 23:58:12 C 15 35 51.85 +34 49 28.9 V 033
2021-03-14 00:03:30 C 15 35 50.95 +34 49 31.1 V 033
2021-03-15 00:44:52 C 15 31 26.567 +34 58 52.97 V J04
2021-03-15 00:59:39 C 15 31 23.845 +34 58 58.95 V J04
2021-03-15 01:14:25 C 15 31 21.179 +34 59 04.36 V J04
2021-04-03 06:35:36 C 14 09 53.10 +34 20 35.3 V V06
2021-04-03 06:44:44 C 14 09 51.61 +34 20 30.8 V V06
2021-04-03 06:53:51 C 14 09 50.09 +34 20 26.4 V V06
2021-04-05 10:40:39 C 14 01 46.94 +33 52 33.9 V V06
2021-04-05 10:50:55 C 14 01 45.32 +33 52 27.9 V V06
2021-04-05 11:01:11 C 14 01 43.72 +33 52 22.1 V V06
2023-03-24 12:03:37 C 15 21 32.224 +18 31 07.20 V F52
2023-03-24 12:20:14 C 15 21 30.444 +18 31 13.64 V F52
2023-03-24 12:36:53 C 15 21 28.691 +18 31 20.36 V F52
2023-04-01 09:33:46 C 15 00 51.510 +19 29 17.60 V I52
2023-04-01 10:25:30 C 15 00 45.450 +19 29 28.90 V I52
2023-04-15 11:08:26 C 14 21 54.172 +19 42 53.55 V T12
2023-04-15 11:48:17 C 14 21 49.598 +19 42 47.93 V T12