2021 EP4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3841066000
Semi-major axis (a)1.5764168000 AU
Inclination (i)5.00258000°
Long. of Asc. Node (Ω)355.34076000°
Arg. of Perihelion (ω)154.46465000°
Mean Anomaly (M)141.44107000°
Mean Motion (n)0.4979634700°/day
Perihelion dist (q)0.97090470 AU
Aphelion dist (Q)2.18192890 AU
Orbital Period1.97927700 yr
Physical Parameters
H (abs. magnitude)29.26
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.710″
Uncertainty6
Orbit TypeApollo
MOID0.002049 AU
Observations Used58
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-03-18
Observations (67)
Date Type RA Dec Mag Band Observatory
2021-03-16 00:20:36 C 11 25 51.98 +15 30 58.1 V B37
2021-03-16 00:22:28 C 11 26 04.03 +15 25 44.4 V B37
2021-03-16 02:09:26 C 11 40 09.38 +10 37 17.4 S 932
2021-03-16 02:35:05 C 11 42 32.23 +09 32 50.2 S 932
2021-03-16 02:37:08 C 11 42 43.49 +09 27 41.6 S 932
2021-03-16 04:19:45 C 11 52 48.08 +05 27 18.1 q 858
2021-03-16 04:29:19 C 11 53 33.85 +05 05 47.7 q 858
2021-03-16 04:39:27 C 11 54 21.51 +04 43 15.9 q 858
2021-03-17 12:31:28 C 13 10 22.96 -25 37 03.1 V 474
2021-03-17 12:32:25 C 13 10 23.76 -25 37 25.3 V 474
2021-03-17 12:33:21 C 13 10 24.55 -25 37 46.9 V 474
2021-03-17 12:34:18 C 13 10 25.30 -25 38 07.8 V 474
2021-03-17 12:35:15 C 13 10 26.17 -25 38 29.5 V 474
2021-03-17 12:36:12 C 13 10 26.88 -25 38 50.6 V 474
2021-03-18 07:19:50 C 13 25 42.79 -30 46 58.7 V I52
2021-03-18 07:21:58 C 13 25 43.63 -30 47 23.9 V I52
2021-03-18 07:24:06 C 13 25 44.45 -30 47 45.9 V I52