IAA RAS IAA Minor Planet Database

2020 XH4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2101369134 ± 4.16e-05
Semi-major axis (a)1.4731350650 AU ± 1.15e-04
Inclination (i)12.67221262° ± 2.02e-03
Long. of Asc. Node (Ω)96.65783166° ± 3.64e-04
Arg. of Perihelion (ω)4.24371436° ± 5.57e-04
Mean Anomaly (M)261.84535209° ± 1.15e-01
Mean Motion (n)0.5512497753°/day ± 6.44e-05
Perihelion dist (q)1.16357501 AU ± 1.09e-04
Aphelion dist (Q)1.78269512 AU ± 1.52e-04
Orbital Period1.78798492 yr ± 2.09e-04
Physical Parameters
H (abs. magnitude)23.27
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.254″
Uncertainty3
Orbit TypeAmor
MOID0.180052 AU
Observations Used59
Oppositions1
Arc Total2020-2021
First Observation Used2020-12-10
Last Observation Used2021-01-06
Observations (60)
Date Type RA Dec Mag Band Observatory
2020-12-10 09:37:04 C 05 40 31.928 +01 12 16.70 – U F52
2020-12-10 09:51:54 C 05 40 31.397 +01 12 47.46 – U F52
2020-12-10 10:21:42 C 05 40 30.319 +01 13 49.25 – U F52
2020-12-11 05:53:58 C 05 40 00.53 +01 54 41.7 – u H21
2020-12-11 06:02:13 C 05 40 00.21 +01 54 59.2 – u H21
2020-12-11 06:13:47 C 05 39 59.08 +01 56 12.5 – u 807
2020-12-11 06:19:41 C 05 39 58.86 +01 56 25.2 – u 807
2020-12-11 06:25:26 C 05 39 58.66 +01 56 37.3 – u 807
2020-12-12 05:07:55 C 05 39 23.34 +02 46 01.0 – u 807
2020-12-12 05:14:06 C 05 39 23.09 +02 46 14.8 – u 807
2020-12-12 05:20:33 C 05 39 22.86 +02 46 29.1 – u 807
2020-12-12 05:39:40 C 05 39 23.82 +02 46 26.7 – V I52
2020-12-12 05:43:18 C 05 39 23.67 +02 46 34.2 – V I52
2020-12-12 05:46:56 C 05 39 23.53 +02 46 42.8 – V I52
2020-12-12 05:50:34 C 05 39 23.44 +02 46 51.2 – V I52
2020-12-12 20:59:50 C 05 38 58.53 +03 20 39.8 – V L01
2020-12-12 21:06:47 C 05 38 58.24 +03 20 55.4 – V L01
2020-12-12 21:44:19 C 05 38 56.93 +03 22 19.8 – V L01
2020-12-14 05:32:40 C 05 38 01.10 +04 36 58.6 – u 807
2020-12-14 05:39:42 C 05 38 00.82 +04 37 15.3 – u 807
2020-12-14 06:00:45 C 05 37 59.97 +04 38 05.1 – u 807
2020-12-14 07:29:45 C 05 37 58.13 +04 40 50.8 – V I52
2020-12-14 07:31:34 C 05 37 58.08 +04 40 55.1 – V I52
2020-12-14 07:33:23 C 05 37 58.01 +04 40 59.0 – V I52
2020-12-14 07:35:12 C 05 37 57.93 +04 41 03.7 – V I52
2020-12-15 05:40:26 C 05 37 18.02 +05 35 02.9 – u 807
2020-12-15 05:47:05 C 05 37 17.75 +05 35 19.1 – u 807
2020-12-15 05:53:27 C 05 37 17.49 +05 35 34.7 – u 807
2020-12-16 06:29:13 C 05 36 32.08 +06 36 35.6 – u 807
2020-12-16 06:37:56 C 05 36 31.72 +06 36 57.4 – u 807
2020-12-16 06:46:38 C 05 36 31.37 +06 37 18.9 – u 807
2020-12-16 11:45:44 C 05 36 21.13 +06 49 05.0 – V I52
2020-12-16 11:48:22 C 05 36 21.07 +06 49 12.1 – V I52
2020-12-16 11:49:54 C 05 36 21.05 +06 49 15.6 – V I52
2020-12-17 05:38:43 C 05 35 51.16 +07 34 51.0 – V I52
2020-12-17 05:40:32 C 05 35 51.10 +07 34 55.2 – V I52
2020-12-17 05:42:21 C 05 35 51.03 +07 35 00.5 – V I52
2020-12-17 05:44:10 C 05 35 50.97 +07 35 04.2 – V I52
2020-12-17 06:01:56 C 05 35 48.41 +07 36 37.3 – u 807
2020-12-17 06:07:27 C 05 35 48.18 +07 36 51.5 – u 807
2020-12-17 06:12:48 C 05 35 47.95 +07 37 05.2 – u 807
2020-12-18 10:31:24 C 05 34 53.37 +08 50 27.6 – V I52
2020-12-18 10:33:13 C 05 34 53.33 +08 50 32.5 – V I52
2020-12-20 04:51:39 C 05 33 33.77 +10 45 52.3 – u 807
2020-12-20 05:00:23 C 05 33 33.39 +10 46 16.3 – u 807
2020-12-20 05:09:05 C 05 33 33.01 +10 46 40.2 – u 807
2020-12-20 07:15:33 C 05 33 29.36 +10 51 41.9 – V I52
2020-12-20 07:16:40 C 05 33 29.32 +10 51 44.8 – V I52
2020-12-20 07:17:46 C 05 33 29.27 +10 51 47.7 – V I52
2020-12-20 07:18:52 C 05 33 29.24 +10 51 50.6 – V I52