1991 XA

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5725423000
Semi-major axis (a)2.2897143000 AU
Inclination (i)5.33358000°
Long. of Asc. Node (Ω)76.23049000°
Arg. of Perihelion (ω)309.98750000°
Mean Anomaly (M)301.17250000°
Mean Motion (n)0.2844671500°/day
Perihelion dist (q)0.97875600 AU
Aphelion dist (Q)3.60067260 AU
Orbital Period3.46475030 yr
Physical Parameters
H (abs. magnitude)23.70
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.670″
Uncertainty8
Orbit TypeApollo
MOID0.045285 AU
Observations Used7
Oppositions1
Arc Total
First Observation Used
Last Observation Used1991-12-15
Observations (14)
Date Type RA Dec Mag Band Observatory
1991-12-03 06:43:38 c 04 19 07.26 +14 45 49.6 i 691
1991-12-03 07:13:58 c 04 19 12.17 +14 47 38.7 i 691
1991-12-03 07:44:23 c 04 19 17.04 +14 49 27.6 i 691
1991-12-04 04:08:10 c 04 22 56.67 +15 59 44.9 i 691
1991-12-04 04:29:01 c 04 22 59.95 +16 00 55.4 i 691
1991-12-04 04:49:25 c 04 23 03.11 +16 02 05.1 i 691
1991-12-04 09:05:03 c 04 23 41.33 +16 15 58.4 i 691
1991-12-04 09:18:21 c 04 23 43.33 +16 16 41.1 i 691
1991-12-04 09:31:22 c 04 23 45.23 +16 17 24.3 i 691
1991-12-07 06:22:52 c 04 34 04.71 +19 31 48.6 i 691
1991-12-07 06:54:21 c 04 34 08.37 +19 33 06.4 i 691
1991-12-15 06:45:54 c 04 53 49.14 +25 10 03.6 i 691
1991-12-15 06:51:59 c 04 53 49.64 +25 10 10.9 i 691
1991-12-15 07:02:43 c 04 53 50.16 +25 10 23.0 i 691