2021 EC3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6291829452
Semi-major axis (a)1.9177328924 AU
Inclination (i)8.67334155°
Long. of Asc. Node (Ω)157.00738558° ± 5.00e+00
Arg. of Perihelion (ω)292.06489148°
Mean Anomaly (M)296.19092512°
Mean Motion (n)0.3711246200°/day
Perihelion dist (q)0.71112780 AU
Aphelion dist (Q)3.12435060 AU
Orbital Period2.65573240 yr
Physical Parameters
H (abs. magnitude)25.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.346″
Uncertainty
Orbit TypeApollo
MOID0.016305 AU
Observations Used14
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-03-10
Observations (14)
Date Type RA Dec Mag Band Observatory
2021-03-06 07:31:29 C 12 56 00.81 +48 57 18.9 V 703
2021-03-06 07:46:54 C 12 55 40.63 +48 51 56.3 V 703
2021-03-10 08:09:35 C 12 14 14.16 +32 29 34.2 V G96
2021-03-10 08:16:59 C 12 14 12.75 +32 28 59.1 V G96
2021-03-10 08:24:22 C 12 14 11.36 +32 28 24.4 V G96
2021-03-10 08:31:45 C 12 14 09.93 +32 27 49.8 V G96
2021-03-10 11:20:17 C 12 13 38.94 +32 14 35.8 V I52
2021-03-10 11:22:42 C 12 13 38.53 +32 14 24.8 V I52
2021-03-10 11:25:07 C 12 13 38.10 +32 14 12.8 V I52
2021-03-10 11:27:32 C 12 13 37.69 +32 14 01.4 V I52
2021-03-10 21:02:32 C 12 12 28.52 +31 32 20.4 V L01
2021-03-10 21:14:31 C 12 12 26.70 +31 31 33.4 V L01
2021-03-10 21:17:59 C 12 12 26.14 +31 31 20.7 V L01
2021-03-10 21:21:27 C 12 12 25.62 +31 31 06.3 V L01