2020 ER

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1232528310 ± 5.98e-05
Semi-major axis (a)1.1457200989 AU ± 8.69e-05
Inclination (i)4.43785961° ± 2.16e-03
Long. of Asc. Node (Ω)173.47614059° ± 1.23e-04
Arg. of Perihelion (ω)331.27332132° ± 2.58e-03
Mean Anomaly (M)252.10379672° ± 1.98e-01
Mean Motion (n)0.8037009440°/day ± 9.15e-05
Perihelion dist (q)1.00450685 AU ± 1.03e-04
Aphelion dist (Q)1.28693334 AU ± 1.19e-04
Orbital Period1.22635949 yr ± 1.40e-04
Physical Parameters
H (abs. magnitude)27.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.310″
Uncertainty3
Orbit TypeApollo
MOID0.022031 AU
Observations Used56
Oppositions1
Arc Total2020-2020
First Observation Used2020-03-15
Last Observation Used2020-04-02
Observations (56)
Date Type RA Dec Mag Band Observatory
2020-03-22 09:30:10 C 11 52 42.83 +22 18 26.7 L 658
2020-04-01 21:26:32 C 12 52 26.24 +28 24 22.3 V 033
2020-04-01 21:31:41 C 12 52 26.89 +28 24 26.2 V 033
2020-04-01 21:36:50 C 12 52 27.58 +28 24 29.3 V 033
2020-04-02 02:33:40 C 12 53 05.61 +28 27 04.8 V 033
2020-04-02 02:49:13 C 12 53 07.71 +28 27 11.0 V 033