2001 XX4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5568919373 ± 1.61e-06
Semi-major axis (a)1.0064424358 AU ± 1.06e-08
Inclination (i)0.84946332° ± 3.52e-05
Long. of Asc. Node (Ω)127.08134316° ± 2.14e-03
Arg. of Perihelion (ω)186.81471859° ± 2.08e-03
Mean Anomaly (M)316.57911294° ± 1.48e-04
Mean Motion (n)0.9761776632°/day ± 1.54e-08
Perihelion dist (q)0.44596276 AU ± 1.63e-06
Aphelion dist (Q)1.56692211 AU ± 1.63e-06
Orbital Period1.00967920 yr ± 1.60e-08
Physical Parameters
H (abs. magnitude)22.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.500″
Uncertainty0
Orbit TypeApollo
MOID0.011358 AU
Observations Used98
Oppositions1
Arc Total2001-2003
First Observation Used2001-12-11
Last Observation Used2003-01-03
Observations (105)
Date Type RA Dec Mag Band Observatory
2002-12-28 03:05:41 C 03 20 21.55 +15 27 44.2 c 696
2002-12-28 03:09:25 C 03 20 21.92 +15 27 47.4 c 696
2003-01-03 06:07:58 C 03 33 05.19 +17 04 00.9 d 291
2003-01-03 06:42:41 C 03 33 07.48 +17 04 19.3 d 291
2003-01-03 07:19:16 C 03 33 09.96 +17 04 37.7 d 291