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
2021-03-07 04:23:50 C 10 01 12.96 +15 56 57.0 V I52
2021-03-07 04:24:56 C 10 01 12.05 +15 57 05.4 q 858
2021-03-07 04:25:29 C 10 01 12.65 +15 57 16.6 V I52
2021-03-07 04:27:07 C 10 01 12.33 +15 57 36.4 V I52
2021-03-07 04:30:52 C 10 01 10.98 +15 58 17.8 q 858
2021-03-07 04:36:47 C 10 01 09.89 +15 59 30.2 q 858
2021-03-07 05:11:34 C 10 01 05.12 +16 06 33.3 V 654
2021-03-07 06:29:24 C 10 00 50.84 +16 22 20.3 V 654
2021-03-07 06:43:54 C 10 00 47.14 +16 25 22.0 V 703
2021-03-07 06:52:06 C 10 00 45.59 +16 26 58.7 V 703
2021-03-07 07:00:19 C 10 00 44.09 +16 28 38.7 V 703
2021-03-07 07:08:32 C 10 00 42.64 +16 30 18.5 V 703
2021-03-07 07:18:20 C 10 00 41.79 +16 32 13.1 V 654
2021-03-07 18:14:36 C 09 59 10.35 +18 42 54.6 V 033
2021-03-07 18:16:00 C 09 59 10.11 +18 43 11.3 V 033
2021-03-07 18:17:25 C 09 59 09.90 +18 43 28.3 V 033
2021-03-07 20:36:34 C 09 58 46.69 +19 11 32.0 q 104
2021-03-07 20:40:52 C 09 58 45.88 +19 12 23.4 q 104
2021-03-07 20:45:10 C 09 58 45.15 +19 13 14.8 q 104
2021-03-07 21:05:39 C 09 58 40.88 +19 17 09.2 V 246
2021-03-07 21:06:23 C 09 58 40.82 +19 17 16.4 V 246
2021-03-07 21:08:33 C 09 58 40.43 +19 17 43.5 V 246
2021-03-07 21:09:23 C 09 58 40.24 +19 17 52.3 V 246
2021-03-07 21:10:04 C 09 58 40.07 +19 18 01.3 V 246
2021-03-08 02:29:59 C 09 57 55.15 +20 21 21.3 u H21
2021-03-08 02:34:11 C 09 57 54.43 +20 22 11.1 u H21
2021-03-08 21:00:28 C 09 55 05.67 +23 55 15.0 V 033
2021-03-08 21:03:17 C 09 55 05.18 +23 55 46.2 V 033
2021-03-08 21:04:55 C 09 55 04.89 +23 56 05.3 V 033
2021-03-09 05:17:50 C 09 53 50.93 +25 29 15.2 V I52
2021-03-09 05:20:41 C 09 53 50.40 +25 29 46.6 V I52
2021-03-09 05:23:32 C 09 53 49.85 +25 30 18.3 V I52
2021-03-09 05:26:23 C 09 53 49.32 +25 30 50.4 V I52
2021-03-10 03:47:53 C 09 50 29.85 +29 32 55.1 V I52
2021-03-10 03:49:18 C 09 50 29.57 +29 33 10.7 V I52
2021-03-10 03:50:43 C 09 50 29.31 +29 33 25.2 V I52
2021-03-10 05:49:51 C 09 50 07.02 +29 54 22.6 V G96
2021-03-10 05:57:59 C 09 50 05.50 +29 55 48.2 V G96
2021-03-10 06:06:18 C 09 50 03.91 +29 57 14.9 V G96
2021-03-10 06:14:31 C 09 50 02.31 +29 58 40.5 V G96
2021-03-11 03:05:05 C 09 46 59.55 +33 29 19.0 V I52
2021-03-11 03:06:30 C 09 46 59.33 +33 29 33.1 V I52