IAA RAS IAA Minor Planet Database

2020 XU4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3799751455 ± 5.38e-04
Semi-major axis (a)1.5449347572 AU ± 1.26e-03
Inclination (i)2.59399406° ± 3.14e-03
Long. of Asc. Node (Ω)71.28616836° ± 1.77e-03
Arg. of Perihelion (ω)331.14363366° ± 6.10e-03
Mean Anomaly (M)222.51965294° ± 1.16e+00
Mean Motion (n)0.5132713939°/day ± 6.26e-04
Perihelion dist (q)0.95789795 AU ± 1.14e-03
Aphelion dist (Q)2.13197157 AU ± 1.92e-03
Orbital Period1.92028291 yr ± 2.34e-03
Physical Parameters
H (abs. magnitude)27.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.394″
Uncertainty4
Orbit TypeApollo
MOID0.001553 AU
Observations Used18
Oppositions1
Arc Total2020-2020
First Observation Used2020-12-12
Last Observation Used2020-12-16
Observations (18)
Date Type RA Dec Mag Band Observatory
2020-12-12 07:56:32 C 04 34 42.30 +34 32 25.4 – V V00
2020-12-12 08:03:27 C 04 34 47.59 +34 32 38.7 – V V00
2020-12-12 08:10:24 C 04 34 52.91 +34 32 52.5 – V V00
2020-12-12 08:17:19 C 04 34 58.18 +34 33 06.0 – V V00
2020-12-12 10:26:49 C 04 36 37.69 +34 36 55.2 – V V06
2020-12-12 10:29:56 C 04 36 40.14 +34 37 00.0 – V V06
2020-12-12 10:33:03 C 04 36 42.58 +34 37 05.3 – V V06
2020-12-12 10:36:10 C 04 36 45.04 +34 37 10.1 – V V06
2020-12-12 20:33:14 C 04 44 57.46 +34 56 07.9 – V L01
2020-12-12 20:40:55 C 04 45 02.88 +34 56 22.3 – V L01
2020-12-12 20:48:53 C 04 45 08.55 +34 56 37.5 – V L01
2020-12-13 22:21:40 C 05 02 45.244 +35 32 17.78 – V J04
2020-12-13 22:36:02 C 05 02 53.311 +35 32 35.45 – V J04
2020-12-13 22:50:14 C 05 03 01.188 +35 32 54.20 – V J04
2020-12-15 09:00:31 C 05 21 33.54 +35 57 28.3 – V 291
2020-12-15 09:09:10 C 05 21 37.28 +35 57 30.9 – V 291
2020-12-15 09:17:50 C 05 21 41.07 +35 57 32.6 – V 291
2020-12-16 12:49:56 C 05 33 46.729 +36 07 11.07 – V T12