2021 EM5

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3079037767 ± 9.17e-08
Semi-major axis (a)1.2203765877 AU ± 1.02e-08
Inclination (i)4.73034051° ± 8.71e-06
Long. of Asc. Node (Ω)14.93583562° ± 4.01e-05
Arg. of Perihelion (ω)71.80377195° ± 5.67e-05
Mean Anomaly (M)232.32463354° ± 1.07e-05
Mean Motion (n)0.7310910632°/day ± 9.18e-09
Perihelion dist (q)0.84461803 AU ± 1.12e-07
Aphelion dist (Q)1.59613515 AU ± 1.13e-07
Orbital Period1.34815802 yr ± 1.69e-08
Physical Parameters
H (abs. magnitude)23.69
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.313″
Uncertainty0
Orbit TypeApollo
MOID0.002198 AU
Observations Used62
Oppositions2
Arc Total2016-2025
First Observation Used2016-08-07
Last Observation Used2025-03-30
Observations (63)
Date Type RA Dec Mag Band Observatory
2025-03-19 04:54:05 C 08 46 33.067 +32 38 04.13 V V00
2025-03-19 05:02:10 C 08 46 35.339 +32 37 35.72 V V00
2025-03-21 04:52:02 C 08 59 50.017 +29 56 15.50 V G96
2025-03-21 05:00:09 C 08 59 51.997 +29 55 48.68 V G96
2025-03-21 05:08:17 C 08 59 53.941 +29 55 21.86 V G96
2025-03-21 05:16:25 C 08 59 55.867 +29 54 54.76 V G96
2025-03-23 06:05:30 C 09 11 33.622 +27 24 06.58 X F52
2025-03-23 06:22:23 C 09 11 37.056 +27 23 17.66 X F52
2025-03-23 06:39:10 C 09 11 40.472 +27 22 28.93 X F52
2025-03-30 08:46:37 C 09 41 59.491 +20 14 11.61 X F51
2025-03-30 09:05:26 C 09 42 02.016 +20 13 30.69 X F51
2025-03-30 09:24:15 C 09 42 04.554 +20 12 50.30 X F51
2025-03-30 09:42:59 C 09 42 07.041 +20 12 09.95 X F51