203471 (2002 AU4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3736100720 ± 2.00e+00
Semi-major axis (a)0.8553547584 AU ± 3.00e+00
Inclination (i)17.18516061° ± 4.00e+00
Long. of Asc. Node (Ω)99.41108807° ± 5.00e+00
Arg. of Perihelion (ω)205.21020552° ± 6.00e+00
Mean Anomaly (M)232.84410925° ± 1.48e-05
Mean Motion (n)1.2459277608°/day ± 6.55e+00
Perihelion dist (q)0.53578561 AU ± 2.54e+00
Aphelion dist (Q)1.17492391 AU ± 4.46e+00
Orbital Period0.79107819 yr ± 4.16e+00
NGA Modelr2
A2-4.19367064e-06 AU/d²
Physical Parameters
H (abs. magnitude)19.45
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-28
RMS Residual0.334″
Uncertainty0
Orbit TypeAten
MOID0.088330 AU
Observations Used477
Oppositions8
Arc Total1994-2025
First Observation Used1994-01-07
Last Observation Used2025-03-02
Observations (494)
Date Type RA Dec Mag Band Observatory
2021-01-14 10:04:02 C 12 23 47.86 +29 41 06.8 V 703
2021-01-14 10:19:08 C 12 23 48.97 +29 41 40.6 V 703
2021-01-14 10:26:41 C 12 23 49.58 +29 41 58.4 V 703
2021-01-15 15:02:26 C 12 26 19.86 +30 51 07.4 V T08
2021-01-15 15:17:28 C 12 26 21.12 +30 51 43.6 V T08
2021-01-15 15:53:33 C 12 26 23.99 +30 53 11.6 V T08
2021-01-15 15:54:52 C 12 26 24.06 +30 53 14.5 V T08
2021-01-24 12:48:40 C 12 45 37.60 +40 34 19.6 V T08
2021-01-24 12:57:25 C 12 45 38.38 +40 34 46.3 V T08
2021-01-24 13:16:53 C 12 45 39.96 +40 35 45.0 V T08
2021-01-24 13:28:25 C 12 45 40.943 +40 36 19.07 U F52
2021-01-24 13:29:54 C 12 45 41.03 +40 36 24.3 V T08
2021-01-24 13:46:58 C 12 45 42.475 +40 37 15.10 U F52
2021-01-24 13:56:26 C 12 45 43.249 +40 37 43.53 U F52
2021-01-30 15:25:39 C 12 59 39.814 +48 12 31.90 U F51
2021-01-30 15:37:47 C 12 59 40.856 +48 13 10.76 U F51
2021-01-30 15:49:52 C 12 59 41.921 +48 13 49.97 U F51
2021-02-01 13:11:34 C 13 04 19.46 +50 42 05.4 V T08
2021-02-01 13:16:14 C 13 04 19.88 +50 42 21.4 V T08
2021-02-01 13:21:01 C 13 04 20.36 +50 42 37.3 V T08
2021-02-01 13:35:06 C 13 04 21.58 +50 43 24.0 V T08
2021-02-01 14:14:49 C 13 04 25.179 +50 45 34.95 U F51
2021-02-01 14:33:31 C 13 04 26.851 +50 46 36.55 U F51
2021-02-01 14:52:09 C 13 04 28.520 +50 47 37.96 U F51
2021-02-01 15:10:49 C 13 04 30.189 +50 48 39.32 U F51
2021-02-05 14:46:11 C 13 14 45.07 +56 06 22.3 V T08
2021-02-05 14:50:51 C 13 14 45.49 +56 06 38.2 V T08
2021-02-05 14:59:32 C 13 14 46.31 +56 07 07.2 V T08
2021-02-05 15:14:55 C 13 14 47.74 +56 07 58.9 V T08
2021-02-08 10:52:51 C 13 22 41.23 +59 53 28.9 V 703
2021-02-08 11:00:37 C 13 22 42.04 +59 53 54.8 V 703
2021-02-08 11:08:24 C 13 22 42.87 +59 54 20.7 V 703
2021-02-08 11:16:11 C 13 22 43.68 +59 54 46.4 V 703
2021-02-09 13:46:22 C 13 26 00.72 +61 22 44.9 V T08
2021-02-09 13:49:01 C 13 26 01.10 +61 22 53.6 V T08
2021-02-09 13:53:00 C 13 26 01.42 +61 23 06.9 V T08
2021-02-09 14:03:37 C 13 26 02.62 +61 23 41.4 V T08
2021-02-11 12:25:45 C 13 32 08.12 +63 55 55.1 V T05
2021-02-11 12:30:22 C 13 32 08.64 +63 56 10.4 V T05
2021-02-11 12:43:34 C 13 32 10.26 +63 56 54.2 V T05
2021-02-13 13:07:31 C 13 39 03.55 +66 33 08.8 V T08
2021-02-13 13:10:10 C 13 39 03.83 +66 33 16.7 V T08
2021-02-13 13:13:30 C 13 39 04.30 +66 33 27.1 V T08
2021-02-13 13:14:50 C 13 39 04.44 +66 33 31.6 V T08
2021-02-13 13:27:57 C 13 39 06.09 +66 34 15.0 V T08
2021-02-13 13:29:17 C 13 39 06.23 +66 34 18.4 V T08
2021-02-13 13:32:36 C 13 39 06.75 +66 34 29.7 V T08
2024-01-14 02:13:01 C 01 18 56.783 -00 38 02.40 V G96
2024-01-14 02:20:31 C 01 18 57.971 -00 37 42.74 V G96
2024-01-14 02:28:03 C 01 18 59.242 -00 37 22.04 V G96