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
2020-12-22 04:35:06 C 05 32 02.36 +12 59 31.3 u 807
2020-12-22 04:43:49 C 05 32 01.98 +12 59 55.8 u 807
2020-12-22 04:52:30 C 05 32 01.58 +13 00 20.5 u 807
2020-12-22 10:46:46 C 05 31 48.53 +13 16 18.9 V I52
2020-12-22 10:47:53 C 05 31 48.51 +13 16 21.6 V I52
2020-12-22 10:48:59 C 05 31 48.41 +13 16 24.5 V I52
2020-12-22 10:50:05 C 05 31 48.32 +13 16 29.3 V I52
2021-01-06 08:39:02 C 05 23 33.80 +30 27 25.9 o 691
2021-01-06 08:44:35 C 05 23 33.68 +30 27 40.0 o 691
2021-01-06 08:50:08 C 05 23 33.59 +30 27 54.9 o 691