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
2017-10-28 08:05:53 C 22 42 58.46 +04 47 08.1 T05
2017-11-09 07:02:40 C 22 50 00.39 -09 21 01.0 U T05
2017-11-09 07:14:45 C 22 50 00.71 -09 21 26.2 U T05
2017-11-09 07:26:20 C 22 50 00.97 -09 21 50.1 U T05
2017-11-09 07:38:48 C 22 50 01.36 -09 22 16.5 U T05
2017-11-16 04:23:21 C 22 56 24.83 -14 11 36.2 U 703
2017-11-16 04:31:16 C 22 56 25.09 -14 11 48.4 U 703
2017-11-16 04:39:10 C 22 56 25.39 -14 11 59.4 U 703
2017-11-16 04:47:05 C 22 56 25.51 -14 12 10.9 U 703
2017-11-20 03:07:13 C 23 00 38.54 -16 16 08.5 U 703
2017-11-20 03:15:08 C 23 00 38.79 -16 16 18.2 U 703
2017-11-20 03:30:55 C 23 00 39.51 -16 16 36.6 U 703
2017-11-23 02:30:03 C 23 04 02.58 -17 34 29.8 U G96
2017-11-23 02:37:50 C 23 04 02.91 -17 34 37.8 U G96
2017-11-23 02:45:40 C 23 04 03.26 -17 34 45.8 U G96
2017-11-23 02:53:31 C 23 04 03.62 -17 34 54.2 U G96
2020-01-23 05:22:54 C 23 57 14.235 -06 34 26.99 U F51
2020-01-23 05:29:49 C 23 57 14.958 -06 34 25.91 U F51
2020-01-23 05:36:41 C 23 57 15.697 -06 34 24.82 U F51
2020-01-23 05:43:31 C 23 57 16.413 -06 34 23.80 U F51
2020-08-09 11:07:53 C 04 21 21.41 +33 31 38.3 V G96
2020-08-09 11:21:39 C 04 21 22.73 +33 31 33.0 V G96
2020-08-09 11:28:33 C 04 21 23.37 +33 31 30.1 V G96
2022-09-14 20:08:12 S 04 28 27.588 +79 17 36.31 L C51
2022-09-16 21:39:01 C 03 48 40.690 +79 15 27.29 V Z80
2022-09-16 22:23:38 C 03 48 03.346 +79 15 19.69 V Z80
2022-09-19 13:07:14 C 02 54 23.549 +78 39 43.06 V T08
2022-09-19 13:11:15 C 02 54 20.297 +78 39 39.67 V T08
2022-09-19 13:15:14 C 02 54 16.421 +78 39 36.61 V T08
2022-09-19 13:23:13 C 02 54 09.703 +78 39 29.38 V T08
2022-09-21 13:29:05 C 02 14 10.090 +77 41 42.65 V T05
2022-09-21 13:34:20 C 02 14 05.582 +77 41 34.37 V T05
2022-09-21 14:52:55 C 02 12 59.767 +77 39 32.18 V T05
2022-09-21 15:07:54 C 02 12 47.539 +77 39 08.21 V T05
2022-09-25 10:00:19 C 01 08 28.591 +74 30 05.90 V T05
2022-09-25 10:02:55 C 01 08 26.950 +74 29 57.95 V T05
2022-09-25 10:07:28 C 01 08 24.014 +74 29 45.89 V T05
2022-09-25 10:38:23 C 01 08 04.356 +74 28 25.57 V T05
2022-09-27 20:42:08 C 00 36 21.305 +71 32 49.99 V Z80
2022-09-27 20:51:13 C 00 36 16.692 +71 32 20.26 V Z80
2022-09-27 21:00:19 C 00 36 12.137 +71 31 49.76 V Z80
2022-09-28 21:59:16 C 00 24 40.010 +70 03 43.60 V Z80
2022-09-28 22:10:38 C 00 24 34.836 +70 03 01.94 V Z80
2022-09-28 22:21:59 C 00 24 29.748 +70 02 20.69 V Z80
2022-10-01 08:44:08 C 00 01 56.801 +66 07 20.32 V T08
2022-10-01 08:46:47 C 00 01 55.800 +66 07 09.05 V T08
2022-10-01 09:40:33 C 00 01 36.295 +66 03 15.08 V T08
2022-10-05 12:00:45 C 23 34 29.916 +57 58 36.70 V T08
2022-10-05 12:05:25 C 23 34 28.822 +57 58 11.10 V T08
2022-10-05 12:09:24 C 23 34 27.871 +57 57 49.14 V T08