IAA RAS IAA Minor Planet Database

2020 XD4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6353732177 ± 1.49e-07
Semi-major axis (a)1.3736877519 AU ± 1.31e-08
Inclination (i)38.93464844° ± 2.45e-05
Long. of Asc. Node (Ω)239.22448463° ± 1.41e-05
Arg. of Perihelion (ω)354.09488031° ± 1.65e-05
Mean Anomaly (M)289.54511926° ± 1.71e-05
Mean Motion (n)0.6121815508°/day ± 8.79e-09
Perihelion dist (q)0.50088334 AU ± 2.04e-07
Aphelion dist (Q)2.24649216 AU ± 2.05e-07
Orbital Period1.61002285 yr ± 2.31e-08
Physical Parameters
H (abs. magnitude)20.14
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.191″
Uncertainty0
Orbit TypeApollo
MOID0.510428 AU
Observations Used56
Oppositions5
Arc Total2012-2024
First Observation Used2012-12-21
Last Observation Used2024-09-09
Observations (58)
Date Type RA Dec Mag Band Observatory
2012-12-21 09:30:23 C 05 02 28.165 -15 56 11.84 – V F51
2012-12-21 09:47:03 C 05 02 26.126 -15 56 29.64 – V F51
2012-12-23 09:08:20 C 04 56 45.603 -16 44 48.00 – V F51
2012-12-23 09:24:48 C 04 56 43.555 -16 45 04.73 – V F51
2016-01-01 06:42:44 C 03 05 52.830 +05 33 08.25 – V F51
2016-01-01 07:37:35 C 03 05 50.595 +05 32 44.19 – V F51
2020-12-09 10:15:45 C 05 02 03.496 -03 39 00.92 – U F51
2020-12-09 10:33:57 C 05 02 01.578 -03 39 19.49 – U F51
2020-12-09 10:52:05 C 05 01 59.653 -03 39 37.96 – U F51
2020-12-09 11:10:12 C 05 01 57.715 -03 39 56.35 – U F51
2020-12-10 03:08:09 C 05 00 18.43 -03 56 02.4 – V 807
2020-12-10 03:21:12 C 05 00 17.05 -03 56 15.7 – V 807
2020-12-10 03:33:42 C 05 00 15.71 -03 56 28.3 – V 807
2020-12-10 04:53:20 C 05 00 07.36 -03 57 59.1 – u H21
2020-12-10 05:03:16 C 05 00 06.28 -03 58 09.1 – u H21
2020-12-10 05:09:24 C 05 00 05.63 -03 58 15.4 – u H21
2020-12-10 08:40:01 C 04 59 43.809 -04 01 45.90 – V F52
2020-12-10 09:24:50 C 04 59 39.041 -04 02 31.08 – V F52
2020-12-11 04:04:55 C 04 57 41.79 -04 21 07.7 – V 807
2020-12-11 04:11:08 C 04 57 41.11 -04 21 13.8 – V 807
2020-12-11 04:17:39 C 04 57 40.40 -04 21 20.5 – V 807
2020-12-12 03:54:03 C 04 55 11.58 -04 44 44.8 – V 807
2020-12-12 04:02:37 C 04 55 10.66 -04 44 53.5 – V 807
2020-12-12 04:11:12 C 04 55 09.74 -04 45 02.0 – V 807
2020-12-15 04:43:21 C 04 47 29.51 -05 54 37.2 – V 807
2020-12-15 04:49:04 C 04 47 28.88 -05 54 42.4 – V 807
2020-12-15 04:54:46 C 04 47 28.27 -05 54 47.9 – V 807
2020-12-18 04:49:01 C 04 39 52.66 -06 59 45.2 – V 807
2020-12-18 04:57:35 C 04 39 51.75 -06 59 52.7 – V 807
2020-12-18 05:06:06 C 04 39 50.84 -07 00 00.3 – V 807
2020-12-19 04:15:48 C 04 37 25.23 -07 19 57.9 – V 807
2020-12-19 04:22:38 C 04 37 24.49 -07 20 03.7 – V 807
2020-12-19 04:28:37 C 04 37 23.86 -07 20 09.0 – V 807
2020-12-23 04:32:07 C 04 27 30.12 -08 37 28.1 – V 807
2020-12-23 04:45:14 C 04 27 28.77 -08 37 37.9 – V 807
2020-12-23 04:57:45 C 04 27 27.48 -08 37 47.6 – V 807
2021-01-11 02:42:52 C 03 48 54.26 -12 34 18.0 – V 807
2021-01-11 03:00:04 C 03 48 53.10 -12 34 23.6 – V 807
2021-01-11 03:17:13 C 03 48 52.00 -12 34 29.2 – V 807
2023-11-18 07:59:24 C 04 00 47.171 +20 37 24.65 – V F52
2023-11-18 08:18:15 C 04 00 45.454 +20 37 10.58 – V F52
2023-11-18 08:37:02 C 04 00 43.779 +20 36 56.44 – V F52
2023-11-18 08:55:45 C 04 00 42.093 +20 36 42.29 – V F52
2023-12-04 10:29:36 C 03 27 36.196 +15 29 07.76 – V F51
2023-12-04 10:54:48 C 03 27 34.151 +15 28 47.44 – V F51
2023-12-04 11:17:00 C 03 27 32.331 +15 28 30.08 – V F51
2023-12-09 06:37:26 C 03 18 46.183 +13 59 05.28 – V F52
2023-12-09 06:53:23 C 03 18 45.042 +13 58 52.93 – V F52
2023-12-09 07:09:29 C 03 18 43.792 +13 58 41.20 – V F52
2023-12-15 06:41:31 C 03 09 03.188 +12 14 41.31 – V F52