2021 EA4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3128044000
Semi-major axis (a)1.5441231000 AU
Inclination (i)29.83670000°
Long. of Asc. Node (Ω)159.57938000°
Arg. of Perihelion (ω)62.49429000°
Mean Anomaly (M)138.47639000°
Mean Motion (n)0.5136664600°/day
Perihelion dist (q)1.06111460 AU
Aphelion dist (Q)2.02713160 AU
Orbital Period1.91876980 yr
Physical Parameters
H (abs. magnitude)22.22
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.840″
Uncertainty9
Orbit TypeAmor
MOID0.200268 AU
Observations Used15
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-03-12
Observations (16)
Date Type RA Dec Mag Band Observatory
2021-03-10 10:04:00 C 15 03 49.44 +31 25 21.8 V G96
2021-03-10 10:11:32 C 15 03 51.54 +31 25 57.9 V G96
2021-03-10 10:19:03 C 15 03 53.63 +31 26 34.0 V G96
2021-03-10 10:26:36 C 15 03 55.72 +31 27 10.1 V G96
2021-03-10 11:55:49 C 15 04 20.35 +31 34 15.9 V I52
2021-03-10 11:59:26 C 15 04 21.42 +31 34 33.4 V I52
2021-03-10 23:04:56 C 15 07 35.23 +32 26 52.2 V L01
2021-03-10 23:09:18 C 15 07 36.48 +32 27 12.1 V L01
2021-03-10 23:13:39 C 15 07 37.68 +32 27 32.7 V L01
2021-03-11 10:01:00 C 15 10 43.86 +33 18 09.2 q H36
2021-03-11 10:14:02 C 15 10 47.43 +33 19 09.0 q H36
2021-03-12 04:18:36 C 15 16 03.97 +34 41 49.8 V 033
2021-03-12 04:21:20 C 15 16 04.80 +34 42 01.8 V 033
2021-03-12 23:06:43 C 15 21 39.13 +36 05 37.2 V 598
2021-03-12 23:19:51 C 15 21 42.99 +36 06 35.5 V 598
2021-03-12 23:32:04 C 15 21 46.56 +36 07 29.8 V 598