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
2023-12-15 06:57:31 C 03 09 02.190 +12 14 30.26 V F52
2023-12-15 07:13:30 C 03 09 01.211 +12 14 19.37 V F52
2024-01-03 05:41:24 C 02 49 07.013 +08 01 47.18 V F51
2024-01-03 06:00:35 C 02 49 06.493 +08 01 39.37 V F51
2024-01-03 06:39:14 C 02 49 05.426 +08 01 24.05 V F51
2024-09-09 02:41:59 C 14 21 33.019 +31 47 26.05 V V06
2024-09-09 02:50:11 C 14 21 35.136 +31 47 38.54 V V06
2024-09-09 02:58:22 C 14 21 37.285 +31 47 51.00 V V06