IAA RAS IAA Minor Planet Database

2021 EM

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5954797430 ± 1.01e-04
Semi-major axis (a)2.3910200464 AU ± 5.89e-04
Inclination (i)4.75554040° ± 4.94e-04
Long. of Asc. Node (Ω)120.70313532° ± 1.87e-03
Arg. of Perihelion (ω)1.52449555° ± 1.77e-03
Mean Anomaly (M)107.96750235° ± 1.73e-01
Mean Motion (n)0.2665860687°/day ± 9.85e-05
Perihelion dist (q)0.96721604 AU ± 3.39e-04
Aphelion dist (Q)3.81482405 AU ± 9.70e-04
Orbital Period3.69721602 yr ± 1.37e-03
Physical Parameters
H (abs. magnitude)24.45
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.249″
Uncertainty3
Orbit TypeApollo
MOID0.016019 AU
Observations Used49
Oppositions1
Arc Total2021-2021
First Observation Used2021-03-03
Last Observation Used2021-03-31
Observations (50)
Date Type RA Dec Mag Band Observatory
2021-03-03 06:14:09 C 08 38 14.67 +55 32 15.8 – V G96
2021-03-03 06:21:35 C 08 38 22.26 +55 31 54.5 – V G96
2021-03-03 06:29:02 C 08 38 29.81 +55 31 34.0 – V G96
2021-03-03 06:36:29 C 08 38 37.15 +55 31 12.9 – V G96
2021-03-03 09:06:30 C 08 41 07.49 +55 23 53.2 – V I52
2021-03-03 09:10:08 C 08 41 11.10 +55 23 41.9 – V I52
2021-03-03 09:13:46 C 08 41 14.77 +55 23 31.3 – V I52
2021-03-03 09:17:24 C 08 41 18.48 +55 23 19.9 – V I52
2021-03-04 03:09:05 C 08 59 03.70 +54 29 32.3 – u H21
2021-03-04 03:13:17 C 08 59 07.54 +54 29 19.4 – u H21
2021-03-04 03:17:45 C 08 59 11.63 +54 29 04.6 – u H21
2021-03-04 03:21:40 C 08 59 15.18 +54 28 52.5 – u H21
2021-03-04 03:59:06 C 08 59 50.01 +54 26 51.3 – V H36
2021-03-04 04:18:15 C 09 00 07.43 +54 25 50.8 – V H36
2021-03-04 04:37:53 C 09 00 25.19 +54 24 45.9 – V H36
2021-03-05 02:41:37 C 09 19 59.88 +53 08 01.8 – u H21
2021-03-05 02:50:00 C 09 20 06.63 +53 07 32.4 – u H21
2021-03-06 03:00:57 C 09 38 51.43 +51 34 57.8 – V 033
2021-03-06 03:03:02 C 09 38 52.91 +51 34 49.9 – V 033
2021-03-06 03:05:07 C 09 38 54.37 +51 34 41.2 – V 033
2021-03-06 03:07:24 C 09 38 56.09 +51 34 31.4 – V 033
2021-03-07 01:28:47 C 09 54 16.78 +50 05 47.2 – V 033
2021-03-07 01:31:02 C 09 54 18.27 +50 05 37.7 – V 033
2021-03-07 01:33:16 C 09 54 19.64 +50 05 28.7 – V 033
2021-03-07 01:35:31 C 09 54 21.07 +50 05 18.7 – V 033
2021-03-07 03:41:53 C 09 55 50.66 +49 57 18.5 – V I52
2021-03-07 03:45:31 C 09 55 52.81 +49 57 04.0 – V I52
2021-03-07 03:49:09 C 09 55 55.05 +49 56 49.9 – V I52
2021-03-07 03:52:47 C 09 55 57.31 +49 56 35.7 – V I52
2021-03-10 03:13:09 C 10 33 13.03 +45 08 49.1 – V I52
2021-03-10 03:17:59 C 10 33 15.00 +45 08 30.9 – V I52
2021-03-10 03:27:40 C 10 33 18.96 +45 07 54.8 – V I52
2021-03-14 23:19:16 C 11 10 23.491 +38 12 05.70 – V J04
2021-03-14 23:36:06 C 11 10 27.225 +38 11 12.58 – V J04
2021-03-14 23:52:58 C 11 10 30.876 +38 10 19.24 – V J04
2021-03-15 21:24:41 C 11 15 26.314 +37 02 25.83 – V J04
2021-03-15 21:43:44 C 11 15 30.186 +37 01 29.37 – V J04
2021-03-15 22:02:47 C 11 15 34.098 +37 00 32.36 – V J04
2021-03-18 04:51:27 C 11 26 05.79 +34 21 22.6 – V 291
2021-03-18 05:02:49 C 11 26 07.59 +34 20 52.0 – V 291
2021-03-18 05:14:12 C 11 26 09.36 +34 20 21.5 – V 291
2021-03-19 10:01:34 C 11 30 44.54 +33 03 45.4 – V 291
2021-03-19 10:11:58 C 11 30 46.03 +33 03 17.8 – V 291
2021-03-19 10:22:23 C 11 30 47.51 +33 02 50.1 – V 291
2021-03-20 08:44:26 C 11 34 05.19 +32 06 33.5 – V 291
2021-03-20 08:55:33 C 11 34 06.61 +32 06 05.7 – V 291
2021-03-20 09:06:40 C 11 34 08.02 +32 05 37.7 – V 291
2021-03-31 08:28:04 C 11 58 59.81 +23 34 29.3 – V 695
2021-03-31 08:57:22 C 11 59 01.45 +23 33 43.8 – V 695
2021-03-31 09:26:41 C 11 59 03.12 +23 32 58.1 – V 695