IAA RAS IAA Minor Planet Database

2021 EM3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1248802168 ± 6.51e-06
Semi-major axis (a)1.1703664497 AU ± 1.03e-05
Inclination (i)2.04437609° ± 9.78e-05
Long. of Asc. Node (Ω)109.84354653° ± 1.46e-04
Arg. of Perihelion (ω)68.60865516° ± 3.20e-04
Mean Anomaly (M)250.26472626° ± 1.78e-02
Mean Motion (n)0.7784477734°/day ± 1.03e-05
Perihelion dist (q)1.02421083 AU ± 1.18e-05
Aphelion dist (Q)1.31652207 AU ± 1.39e-05
Orbital Period1.26614311 yr ± 1.67e-05
Physical Parameters
H (abs. magnitude)26.53
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.223″
Uncertainty2
Orbit TypeAmor
MOID0.044068 AU
Observations Used40
Oppositions1
Arc Total2021-2021
First Observation Used2021-03-10
Last Observation Used2021-05-13
Observations (45)
Date Type RA Dec Mag Band Observatory
2021-03-10 09:38:01 C 14 17 42.99 +31 05 04.3 – V G96
2021-03-10 09:45:27 C 14 17 44.57 +31 05 04.9 – V G96
2021-03-10 09:52:56 C 14 17 46.19 +31 05 05.6 – V G96
2021-03-10 10:00:22 C 14 17 47.76 +31 05 05.1 – V G96
2021-03-10 12:09:08 C 14 18 15.27 +31 05 00.8 – V I52
2021-03-10 12:13:59 C 14 18 16.32 +31 04 59.9 – V I52
2021-03-11 00:24:54 C 14 21 39.56 +31 04 13.1 – V L01
2021-03-11 00:31:38 C 14 21 41.09 +31 04 13.4 – V L01
2021-03-11 00:38:27 C 14 21 42.63 +31 04 14.1 – V L01
2021-03-11 00:45:16 C 14 21 44.14 +31 04 14.5 – V L01
2021-03-11 00:52:00 C 14 21 45.62 +31 04 15.0 – V L01
2021-03-11 07:43:03 C 14 23 38.40 +31 04 22.9 – V I52
2021-03-11 07:49:06 C 14 23 39.69 +31 04 24.5 – V I52
2021-03-11 07:55:08 C 14 23 41.04 +31 04 25.4 – V I52
2021-03-17 02:56:25 C 14 58 01.22 +30 28 44.6 – V 204
2021-03-17 03:49:59 C 14 58 11.29 +30 28 17.3 – V 204
2021-03-22 09:38:05 C 15 25 21.21 +29 13 58.0 – o 691
2021-03-22 09:51:28 C 15 25 23.19 +29 13 49.1 – o 691
2021-03-22 10:04:52 C 15 25 25.16 +29 13 40.1 – o 691
2021-03-31 11:17:50 C 16 01 53.45 +25 59 01.5 – V 695
2021-03-31 11:27:09 C 16 01 54.30 +25 58 51.7 – V 695
2021-03-31 11:36:28 C 16 01 55.14 +25 58 41.9 – V 695
2021-04-05 08:19:44 C 16 16 23.31 +23 54 47.6 – u H21
2021-04-05 08:28:16 C 16 16 23.88 +23 54 38.9 – u H21
2021-04-05 08:37:14 C 16 16 24.45 +23 54 29.2 – u H21
2021-04-06 08:27:11 C 16 18 54.93 +23 28 14.8 – u H21
2021-04-06 08:34:16 C 16 18 55.37 +23 28 07.1 – u H21
2021-04-06 08:39:47 C 16 18 55.72 +23 28 01.3 – u H21
2021-04-21 11:04:01 C 16 41 09.19 +16 10 59.2 – o 691
2021-04-21 11:29:20 C 16 41 08.97 +16 10 24.4 – o 691
2021-04-22 11:14:34 C 16 41 44.90 +15 39 16.3 – V V06
2021-04-22 11:21:25 C 16 41 44.77 +15 39 07.3 – V V06
2021-04-22 11:28:15 C 16 41 44.73 +15 38 57.0 – V V06
2021-05-06 08:37:50 C 16 41 57.63 +08 00 40.2 – o 691
2021-05-06 09:02:38 C 16 41 56.37 +08 00 05.0 – o 691
2021-05-07 08:12:00 C 16 41 28.65 +07 27 05.6 – o 291
2021-05-07 08:21:42 C 16 41 28.11 +07 26 51.6 – o 291
2021-05-07 08:31:24 C 16 41 27.62 +07 26 38.3 – o 291
2021-05-08 13:35:45 C 16 40 42.243 +06 45 24.26 – U F51
2021-05-08 13:49:39 C 16 40 41.459 +06 45 04.26 – U F51
2021-05-08 14:03:31 C 16 40 40.698 +06 44 44.00 – U F51
2021-05-08 14:17:27 C 16 40 39.931 +06 44 23.78 – U F51
2021-05-13 11:48:42 C 16 37 18.931 +03 54 51.87 – U F51
2021-05-13 12:06:21 C 16 37 17.764 +03 54 26.59 – U F51
2021-05-13 12:41:27 C 16 37 15.494 +03 53 35.45 – U F51