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
1994-01-07 02:53:29 04 38 07.58 +26 49 56.8 c 675
1994-01-07 03:01:29 04 38 06.27 +26 50 18.5 c 675
1994-01-08 04:46:30 04 34 04.54 +27 55 42.9 c 675
1994-01-08 04:54:30 04 34 03.31 +27 56 02.3 c 675
1994-01-08 05:35:14 04 33 56.63 +27 57 42.8 c 675
1994-01-08 05:43:15 04 33 55.38 +27 58 02.2 c 675
2002-01-08 09:17:15 C 11 57 13.73 +25 51 33.5 19.1 c 704
2002-01-08 09:38:51 C 11 57 15.20 +25 52 24.0 19.7 c 704
2002-01-08 10:00:27 C 11 57 16.38 +25 53 13.8 19.6 c 704
2002-01-08 10:22:03 C 11 57 17.85 +25 54 02.7 19.6 c 704
2002-01-08 10:43:40 C 11 57 19.21 +25 54 50.8 19.9 c 704
2002-01-09 11:09:21 C 11 59 00.08 +26 50 45.4 18.3 c 704
2002-01-09 11:25:27 C 11 59 01.08 +26 51 23.0 18.4 c 704
2002-01-09 11:31:00 C 11 59 01.44 +26 51 35.5 18.3 c 704
2002-01-09 11:48:19 C 11 59 02.49 +26 52 16.1 18.5 c 704
2002-01-09 11:52:37 C 11 59 02.75 +26 52 26.1 18.6 c 704
2002-01-09 12:10:01 C 11 59 03.85 +26 53 07.1 18.7 c 704
2002-01-09 12:14:15 C 11 59 04.07 +26 53 16.3 18.8 c 704
2002-01-09 12:31:41 C 11 59 05.17 +26 53 57.0 18.5 c 704
2002-01-09 12:35:53 C 11 59 05.43 +26 54 06.6 19.1 c 704
2002-01-09 12:53:31 C 11 59 06.46 +26 54 47.4 18.9 c 704
2002-01-09 22:53:04 C 11 59 49.21 +27 18 00.5 c 046
2002-01-09 22:54:46 C 11 59 49.35 +27 18 04.8 c 046
2002-01-09 22:56:23 C 11 59 49.41 +27 18 08.3 c 046
2002-01-09 22:58:46 C 11 59 49.60 +27 18 14.2 c 046
2002-01-09 23:00:05 C 11 59 49.64 +27 18 17.2 c 046
2002-01-09 23:02:45 C 11 59 49.81 +27 18 23.8 c 046
2002-01-15 12:01:16 C 12 08 37.78 +32 58 03.9 c 649
2002-01-15 12:04:44 C 12 08 37.98 +32 58 13.4 c 649
2002-01-15 12:07:52 C 12 08 38.16 +32 58 21.8 c 649
2002-01-16 02:15:39 C 12 09 33.58 +33 37 23.1 c 046
2002-01-16 02:16:59 C 12 09 33.66 +33 37 26.9 c 046
2002-01-16 02:18:23 C 12 09 33.69 +33 37 30.2 c 046
2002-01-16 02:19:44 C 12 09 33.73 +33 37 34.5 c 046
2002-01-16 02:20:49 C 12 09 33.83 +33 37 37.3 c 046
2002-01-22 09:07:07 C 12 18 44.07 +41 08 27.2 c 649
2002-01-22 09:10:33 C 12 18 44.23 +41 08 38.1 c 649
2002-01-22 09:13:52 C 12 18 44.40 +41 08 48.5 c 649
2002-01-25 09:24:42 C 12 22 45.69 +45 03 30.8 18.3 c 704
2002-01-25 09:46:04 C 12 22 46.63 +45 04 42.4 18.9 c 704
2002-01-25 10:07:47 C 12 22 47.52 +45 05 55.4 18.4 c 704
2002-01-25 10:29:10 C 12 22 48.46 +45 07 06.6 18.1 c 704
2002-01-25 10:50:31 C 12 22 49.38 +45 08 17.9 18.2 c 704
2002-01-25 11:10:37 C 12 22 50.79 +45 09 24.0 c 670
2002-01-25 12:34:56 C 12 22 54.41 +45 14 04.4 c 670
2002-02-02 22:18:38 C 12 32 15.52 +56 47 28.3 c 215
2002-02-02 22:19:48 C 12 32 15.64 +56 47 32.0 c 215
2002-02-02 22:20:40 C 12 32 15.70 +56 47 35.6 c 215
2002-02-04 20:15:48 C 12 33 49.13 +59 27 17.8 c 113
2002-02-04 20:17:13 C 12 33 49.19 +59 27 23.1 c 113