338292 (2002 UA31)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4870998941 ± 8.68e-02
Semi-major axis (a)0.7987446526 AU ± 8.63e-03
Inclination (i)30.70660373° ± 4.16e+00
Long. of Asc. Node (Ω)209.30550006° ± 1.62e+00
Arg. of Perihelion (ω)358.67537852° ± 2.55e+01
Mean Anomaly (M)276.62165086° ± 5.84e+01
Mean Motion (n)1.3807031977°/day ± 2.24e-02
Perihelion dist (q)0.40967622 AU ± 6.95e-02
Aphelion dist (Q)1.18781309 AU ± 7.05e-02
Orbital Period0.71385819 yr ± 1.16e-02
NGA Modelr2
A2-2.15518843e-06 AU/d²
Physical Parameters
H (abs. magnitude)19.11
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-28
RMS Residual0.329″
Uncertainty0
Orbit TypeAten
MOID0.190811 AU
Observations Used515
Oppositions9
Arc Total2002-2025
First Observation Used2002-10-31
Last Observation Used2025-09-02
Observations (565)
Date Type RA Dec Mag Band Observatory
2022-11-19 03:42:43 C 23 03 02.851 -16 20 57.59 V 703
2022-11-19 03:50:22 C 23 03 03.107 -16 21 06.66 V 703
2022-11-19 03:58:01 C 23 03 03.402 -16 21 16.96 V 703
2022-11-19 04:05:40 C 23 03 03.719 -16 21 27.43 V 703
2022-11-22 02:44:06 C 23 05 58.898 -17 45 07.96 V G96
2022-11-22 02:52:17 C 23 05 59.233 -17 45 16.85 V G96
2022-11-22 03:00:29 C 23 05 59.525 -17 45 25.78 V G96
2022-11-22 04:07:33 C 23 06 02.077 -17 46 39.22 V G96
2022-11-24 02:28:02 C 23 08 04.006 -18 34 51.64 V G96
2022-11-24 02:36:11 C 23 08 04.326 -18 34 59.81 V G96
2022-11-24 02:44:22 C 23 08 04.657 -18 35 07.80 V G96
2022-11-24 02:52:32 C 23 08 05.014 -18 35 15.65 V G96
2025-09-02 14:45:39 C 05 18 24.066 +27 47 24.86 X F52
2025-09-02 14:50:22 C 05 18 24.504 +27 47 21.20 X F52
2025-09-02 14:55:05 C 05 18 24.948 +27 47 17.72 X F52