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
2016-08-07 13:06:03 C 23 47 57.387 -15 53 10.50 V F51
2016-08-07 13:20:58 C 23 47 57.457 -15 53 14.57 V F51
2016-08-10 11:21:49 C 23 48 38.906 -16 11 23.08 V F51
2016-08-10 11:36:40 C 23 48 38.898 -16 11 27.27 V F51
2016-08-10 11:51:31 C 23 48 38.896 -16 11 31.83 V F51
2016-08-10 12:06:32 C 23 48 38.884 -16 11 36.09 V F51
2016-09-19 10:12:08 C 22 40 57.252 -24 20 41.97 V F51
2016-09-19 10:12:39 C 22 40 57.137 -24 20 42.62 V F51
2016-09-19 10:13:09 C 22 40 57.047 -24 20 43.13 V F51
2021-03-15 13:30:00 C 14 50 16.525 -10 22 41.27 U F51
2021-03-15 13:46:14 C 14 50 14.106 -10 22 46.50 U F51
2021-03-15 14:02:31 C 14 50 11.695 -10 22 51.66 U F51
2021-03-17 02:52:20 C 14 45 08.262 -10 34 20.45 V J04
2021-03-17 03:15:04 C 14 45 04.836 -10 34 26.97 V J04
2021-03-18 06:39:57 C 14 41 13.23 -10 41 31.7 V 807
2021-03-18 06:45:17 C 14 41 12.40 -10 41 33.0 V 807
2021-03-18 06:50:36 C 14 41 11.61 -10 41 34.8 V 807
2021-03-18 11:06:19 C 14 40 34.19 -10 43 26.6 o 691
2021-03-18 11:16:55 C 14 40 32.58 -10 43 29.2 o 691
2021-03-18 11:27:31 C 14 40 30.95 -10 43 31.8 o 691
2021-03-18 13:50:46 C 14 40 12.18 -10 43 18.6 V 474
2021-03-18 13:55:00 C 14 40 11.57 -10 43 19.9 V 474
2021-03-18 13:59:14 C 14 40 10.88 -10 43 20.8 V 474
2021-03-18 14:03:28 C 14 40 10.25 -10 43 22.0 V 474
2021-03-19 08:44:27 C 14 37 29.80 -10 49 01.9 V 291
2021-03-19 08:52:47 C 14 37 28.49 -10 49 04.6 V 291
2021-03-19 09:05:17 C 14 37 26.55 -10 49 07.5 V 291
2021-03-20 10:03:50 C 14 33 48.80 -10 55 06.8 o 691
2021-03-20 10:22:19 C 14 33 45.90 -10 55 10.6 o 691
2021-03-20 10:40:49 C 14 33 43.01 -10 55 15.5 o 691
2021-03-22 07:47:53 C 14 27 06.63 -11 04 41.2 o 291
2021-03-22 08:07:15 C 14 27 03.60 -11 04 44.9 o 291
2021-03-22 15:17:37 C 14 25 58.61 -11 05 15.1 V 474
2021-03-22 15:21:50 C 14 25 57.94 -11 05 16.1 V 474
2021-03-22 15:26:04 C 14 25 57.26 -11 05 16.9 V 474
2021-03-23 07:45:08 C 14 23 33.11 -11 08 59.8 o 291
2021-03-23 07:54:48 C 14 23 31.57 -11 09 01.8 o 291
2021-03-23 08:04:30 C 14 23 30.04 -11 09 03.5 o 291
2021-04-03 10:35:23 C 13 44 09.32 -11 26 31.9 o 291
2021-04-03 10:49:30 C 13 44 07.19 -11 26 30.9 o 291
2021-04-06 12:04:02 C 13 34 06.630 -11 22 58.23 U F51
2021-04-06 12:19:09 C 13 34 04.489 -11 22 57.43 U F51
2021-04-06 12:34:17 C 13 34 02.343 -11 22 55.96 U F51
2021-04-06 12:49:26 C 13 34 00.173 -11 22 54.91 U F51
2025-03-05 03:11:11 C 05 27 02.920 +52 00 50.47 V I52
2025-03-05 03:15:52 C 05 27 07.160 +52 00 43.60 V I52
2025-03-05 03:20:32 C 05 27 11.430 +52 00 36.50 V I52
2025-03-05 03:25:13 C 05 27 15.685 +52 00 29.88 V I52
2025-03-19 04:37:53 C 08 46 28.340 +32 39 02.48 V V00
2025-03-19 04:46:00 C 08 46 30.749 +32 38 32.60 V V00