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
2002-12-28 11:42:13 C 23 49 38.88 -22 19 45.7 c 413
2002-12-28 12:04:07 C 23 49 40.26 -22 19 49.5 c 413
2002-12-31 01:58:06 C 23 53 46.98 -22 30 34.9 c 448
2002-12-31 02:12:27 C 23 53 47.87 -22 30 36.4 c 448
2002-12-31 02:23:46 C 23 53 48.63 -22 30 38.3 c 448
2004-10-08 02:13:31 C 16 26 22.19 +07 49 10.3 o 696
2004-10-08 02:19:08 C 16 26 23.72 +07 49 07.9 o 696
2004-10-09 02:14:09 C 16 33 02.34 +07 36 13.2 o 696
2004-10-09 02:26:37 C 16 33 05.75 +07 36 06.2 o 696
2005-10-17 14:33:56 C 06 51 35.12 -00 34 56.4 o F65
2005-10-17 14:35:23 C 06 51 35.21 -00 35 01.2 o F65
2005-10-17 14:36:43 C 06 51 35.39 -00 35 05.5 o F65
2007-09-15 22:45:08 C 04 13 52.44 +87 04 42.0 c 157
2007-09-24 18:46:45 C 22 53 19.03 +78 26 26.2 o A78
2007-09-24 18:52:36 C 22 53 16.51 +78 26 04.0 o A78
2007-09-24 18:58:38 C 22 53 14.37 +78 25 42.4 o A78
2007-09-24 19:04:21 C 22 53 12.91 +78 25 20.9 o A78
2007-10-04 21:29:26 C 22 21 28.48 +58 53 33.9 c A24
2007-10-04 22:02:29 C 22 21 26.55 +58 50 21.0 c A24
2007-10-04 22:18:17 C 22 21 25.67 +58 48 48.2 c A24
2007-10-04 22:19:43 C 22 21 25.70 +58 48 39.3 c A24
2007-10-11 21:45:38 C 22 18 19.67 +41 25 49.7 r 130
2007-10-11 21:47:27 C 22 18 19.62 +41 25 38.6 r 130
2007-10-11 21:48:51 C 22 18 19.62 +41 25 29.4 r 130
2007-10-11 21:51:06 C 22 18 19.57 +41 25 14.9 r 130
2007-10-13 19:58:39 C 22 18 29.70 +36 29 24.0 r 157
2007-10-13 20:00:16 C 22 18 29.72 +36 29 13.8 r 157
2007-10-13 20:01:54 C 22 18 29.71 +36 29 03.3 r 157
2007-10-13 20:03:32 C 22 18 29.68 +36 28 53.0 r 157
2007-10-14 18:05:45 C 22 18 41.66 +34 09 00.3 r 113
2007-10-14 18:07:03 C 22 18 41.65 +34 08 52.8 r 113
2007-10-14 18:08:14 C 22 18 41.64 +34 08 45.0 r 113
2007-10-14 18:09:27 C 22 18 41.63 +34 08 37.4 r 113
2007-10-15 19:43:19 C 22 18 58.33 +31 28 46.0 o 639
2007-10-15 19:50:13 C 22 18 58.37 +31 28 03.7 o 639
2007-10-15 19:56:45 C 22 18 58.42 +31 27 23.4 o 639
2007-10-16 18:09:44 C 22 19 18.56 +29 10 59.7 o 151
2007-10-16 18:10:20 C 22 19 18.59 +29 10 55.5 o 151
2007-10-16 18:10:55 C 22 19 18.59 +29 10 51.4 o 151
2007-10-16 18:11:31 C 22 19 18.59 +29 10 48.5 o 151
2007-10-16 18:12:06 C 22 19 18.58 +29 10 44.7 o 151
2007-10-16 18:12:42 C 22 19 18.58 +29 10 41.4 o 151
2007-10-16 18:13:17 C 22 19 18.59 +29 10 38.0 o 151
2007-10-16 18:14:28 C 22 19 18.54 +29 10 30.7 o 151
2007-10-16 18:15:03 C 22 19 18.57 +29 10 26.6 o 151
2007-10-16 18:15:39 C 22 19 18.63 +29 10 22.4 o 151
2007-10-16 18:16:50 C 22 19 18.69 +29 10 16.3 o 151
2007-10-18 02:55:34 C 22 19 52.53 +25 55 08.5 r 703
2007-10-18 03:07:57 C 22 19 52.60 +25 53 55.7 r 703
2007-10-18 03:32:47 C 22 19 52.82 +25 51 30.7 r 703