IAA RAS IAA Minor Planet Database

2021 EM1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1629977321 ± 6.74e-05
Semi-major axis (a)0.9051290742 AU ± 9.94e-06
Inclination (i)17.33908462° ± 1.50e-02
Long. of Asc. Node (Ω)164.70900690° ± 6.68e-04
Arg. of Perihelion (ω)171.59958815° ± 6.25e-03
Mean Anomaly (M)0.91549412° ± 4.14e-02
Mean Motion (n)1.1445809229°/day ± 1.89e-05
Perihelion dist (q)0.75759509 AU ± 6.16e-05
Aphelion dist (Q)1.05266306 AU ± 6.21e-05
Orbital Period0.86112416 yr ± 1.42e-05
Physical Parameters
H (abs. magnitude)24.89
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.349″
Uncertainty2
Orbit TypeAten
MOID0.057857 AU
Observations Used85
Oppositions1
Arc Total2021-2021
First Observation Used2021-03-06
Last Observation Used2021-03-11
Observations (92)
Date Type RA Dec Mag Band Observatory
2021-03-06 05:44:15 C 10 04 31.37 +11 18 52.0 – V G96
2021-03-06 05:51:42 C 10 04 29.96 +11 20 25.0 – V G96
2021-03-06 05:59:12 C 10 04 28.57 +11 21 57.8 – V G96
2021-03-06 06:06:43 C 10 04 27.28 +11 23 29.7 – V G96
2021-03-06 07:10:23 C 10 04 15.00 +11 36 31.3 – q 858
2021-03-06 07:12:15 C 10 04 12.50 +11 36 40.3 – u H21
2021-03-06 07:15:59 C 10 04 14.06 +11 37 39.9 – q 858
2021-03-06 07:16:18 C 10 04 11.82 +11 37 30.1 – u H21
2021-03-06 07:21:39 C 10 04 10.88 +11 38 35.9 – u H21
2021-03-06 07:23:58 C 10 04 10.46 +11 39 04.5 – u H21
2021-03-06 07:40:51 C 10 04 09.54 +11 42 45.7 – q 858
2021-03-06 10:08:45 C 10 03 43.89 +12 13 09.3 – V I52
2021-03-06 10:11:36 C 10 03 43.41 +12 13 44.3 – V I52
2021-03-06 10:14:28 C 10 03 42.93 +12 14 19.1 – V I52
2021-03-06 10:17:18 C 10 03 42.49 +12 14 53.8 – V I52
2021-03-06 18:32:48 C 10 02 41.53 +13 55 56.7 – V K61
2021-03-06 18:34:24 C 10 02 41.27 +13 56 15.8 – V K61
2021-03-06 18:35:41 C 10 02 41.04 +13 56 31.7 – V K61
2021-03-06 18:36:49 C 10 02 40.85 +13 56 45.8 – V K61
2021-03-06 19:10:06 C 10 02 35.38 +14 03 32.8 – V 033
2021-03-06 19:11:21 C 10 02 35.18 +14 03 48.0 – V 033
2021-03-06 19:12:36 C 10 02 34.97 +14 04 03.3 – V 033
2021-03-06 20:38:09 C 10 02 20.25 +14 21 40.4 – V 246
2021-03-06 20:38:38 C 10 02 20.18 +14 21 46.9 – V 246
2021-03-06 20:38:55 C 10 02 20.12 +14 21 50.4 – V 246
2021-03-06 20:40:19 C 10 02 19.84 +14 22 06.1 – V 246
2021-03-06 20:46:20 C 10 02 19.06 +14 23 26.6 – V 595
2021-03-06 21:06:43 C 10 02 15.41 +14 27 37.7 – V 595
2021-03-06 21:21:55 C 10 02 04.90 +14 30 36.9 – V N88
2021-03-06 21:22:27 C 10 02 04.87 +14 30 43.5 – V N88
2021-03-06 21:22:58 C 10 02 04.74 +14 30 49.3 – V N88
2021-03-06 21:23:01 C 10 02 12.57 +14 30 58.1 – V 595
2021-03-06 21:24:04 C 10 02 04.54 +14 31 02.7 – V N88
2021-03-06 21:24:10 C 10 02 12.31 +14 31 13.0 – V L01
2021-03-06 21:26:47 C 10 02 11.85 +14 31 45.1 – V L01
2021-03-06 21:26:59 C 10 02 12.28 +14 31 38.1 – V A17
2021-03-06 21:29:24 C 10 02 11.39 +14 32 17.0 – V L01
2021-03-06 21:32:01 C 10 02 10.92 +14 32 49.3 – V L01
2021-03-06 21:38:11 C 10 02 09.80 +14 34 04.9 – V L01
2021-03-06 21:41:08 C 10 02 09.78 +14 34 31.7 – V A17
2021-03-06 21:52:28 C 10 02 07.81 +14 36 50.3 – V A17
2021-03-06 22:13:14 C 10 02 03.94 +14 41 04.1 – V K87
2021-03-06 22:47:30 C 10 01 57.88 +14 48 02.8 – V K87
2021-03-06 23:27:42 C 10 01 50.72 +14 56 10.8 – V 033
2021-03-06 23:28:57 C 10 01 50.51 +14 56 25.9 – V 033
2021-03-06 23:30:11 C 10 01 50.28 +14 56 41.1 – V 033
2021-03-07 03:42:04 C 10 01 17.29 +15 48 15.7 – u H21
2021-03-07 03:50:26 C 10 01 15.76 +15 49 57.7 – u H21
2021-03-07 03:55:44 C 10 01 14.81 +15 51 02.5 – u H21
2021-03-07 04:22:11 C 10 01 13.25 +15 56 36.5 – V I52