IAA RAS IAA Minor Planet Database

2020 YM4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4654036427 ± 2.00e+00
Semi-major axis (a)1.7967697327 AU ± 3.00e+00
Inclination (i)3.30144647° ± 4.00e+00
Long. of Asc. Node (Ω)280.73481695° ± 5.00e+00
Arg. of Perihelion (ω)149.80721931° ± 6.00e+00
Mean Anomaly (M)21.04639835° ± 8.10e-02
Mean Motion (n)0.4092434500°/day ± 1.02e+00
Perihelion dist (q)0.96054720 AU ± 3.94e+00
Aphelion dist (Q)2.63290240 AU ± 5.68e+00
Orbital Period2.40836520 yr ± 6.03e+00
Physical Parameters
H (abs. magnitude)25.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.260″
Uncertainty2
Orbit TypeApollo
MOID0.007076 AU
Observations Used44
Oppositions1
Arc Total2020-2021
First Observation Used—
Last Observation Used2021-01-14
Observations (46)
Date Type RA Dec Mag Band Observatory
2020-12-23 12:44:42 C 14 22 14.26 +46 44 07.4 – V 703
2020-12-26 09:16:58 C 11 10 49.76 +24 18 44.8 – V G96
2020-12-26 09:31:45 C 11 10 31.69 +24 15 23.0 – V G96
2020-12-26 09:59:56 C 11 09 45.34 +24 08 24.8 – u H21
2020-12-26 10:00:26 C 11 09 56.75 +24 08 52.8 – V I52
2020-12-26 10:01:30 C 11 09 55.44 +24 08 38.1 – V I52
2020-12-26 10:02:34 C 11 09 54.14 +24 08 23.6 – V I52
2020-12-26 10:02:53 C 11 09 41.72 +24 07 43.7 – u H21
2020-12-26 10:03:38 C 11 09 52.84 +24 08 09.2 – V I52
2020-12-26 10:05:49 C 11 09 38.12 +24 07 02.7 – u H21
2020-12-26 10:08:14 C 11 09 38.97 +24 06 30.0 – q H36
2020-12-26 10:16:11 C 11 09 29.31 +24 04 40.7 – q H36
2020-12-26 10:25:47 C 11 09 17.59 +24 02 26.8 – q H36
2020-12-26 12:14:13 C 11 07 15.19 +23 38 30.6 – V I52
2020-12-26 12:15:17 C 11 07 13.91 +23 38 16.1 – V I52
2020-12-26 12:16:21 C 11 07 12.64 +23 38 01.6 – V I52
2020-12-26 12:17:25 C 11 07 11.37 +23 37 47.2 – V I52
2020-12-26 22:50:59 C 10 57 32.08 +21 21 38.9 – V L01
2020-12-26 22:53:26 C 10 57 29.92 +21 21 11.7 – V L01
2020-12-26 22:59:40 C 10 57 24.25 +21 20 02.3 – V L01
2020-12-26 23:01:46 C 10 57 22.40 +21 19 38.7 – V L01
2020-12-26 23:05:45 C 10 57 18.85 +21 18 54.7 – V L01
2020-12-26 23:36:30 C 10 56 51.01 +21 13 09.1 – V 595
2020-12-27 00:06:14 C 10 56 24.21 +21 07 40.0 – V 595
2020-12-27 01:00:33 C 10 55 36.49 +20 57 38.6 – V 203
2020-12-27 01:24:27 C 10 55 14.90 +20 53 16.8 – V 203
2020-12-27 01:45:02 C 10 54 56.31 +20 49 32.4 – V 203
2020-12-27 01:58:23 C 10 54 44.26 +20 47 04.0 – V 204
2020-12-27 02:08:29 C 10 54 35.16 +20 45 13.5 – V 204
2020-12-27 02:18:36 C 10 54 26.09 +20 43 23.4 – V 204
2020-12-27 10:17:05 C 10 48 25.14 +19 21 11.7 – V I52
2020-12-27 10:18:52 C 10 48 23.69 +19 20 54.1 – V I52
2020-12-27 10:20:39 C 10 48 22.26 +19 20 36.8 – V I52
2021-01-06 08:06:30 C 09 50 59.85 +05 24 47.3 – V I52
2021-01-06 08:11:20 C 09 50 59.28 +05 24 42.4 – V I52
2021-01-06 08:16:11 C 09 50 58.65 +05 24 38.0 – V I52
2021-01-06 08:21:01 C 09 50 58.04 +05 24 32.1 – V I52
2021-01-12 05:28:23 C 09 40 30.18 +03 45 46.4 – V 807
2021-01-12 05:34:42 C 09 40 29.65 +03 45 43.8 – V 807
2021-01-12 05:41:18 C 09 40 29.09 +03 45 41.0 – V 807
2021-01-13 07:47:52 C 09 38 51.94 +03 35 35.3 – V 807
2021-01-13 07:53:35 C 09 38 51.47 +03 35 33.4 – V 807
2021-01-13 07:59:16 C 09 38 51.01 +03 35 31.3 – V 807
2021-01-14 04:06:33 C 09 37 46.78 +03 29 00.6 – V 807
2021-01-14 04:12:14 C 09 37 46.34 +03 28 59.1 – V 807
2021-01-14 04:17:56 C 09 37 45.93 +03 28 57.7 – V 807