323300 (2003 UD22)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3183437290 ± 1.51e-01
Semi-major axis (a)1.1686862996 AU ± 5.17e-02
Inclination (i)10.07638105° ± 5.71e+00
Long. of Asc. Node (Ω)253.77933521° ± 2.03e+01
Arg. of Perihelion (ω)23.56128146° ± 2.35e+01
Mean Anomaly (M)240.26337801° ± 4.18e+01
Mean Motion (n)0.7801270680°/day ± 5.17e-02
Perihelion dist (q)0.79664234 AU ± 1.80e-01
Aphelion dist (Q)1.54073025 AU ± 1.89e-01
Orbital Period1.26341762 yr ± 8.38e-02
NGA Modelr2
A2-5.87601599e-06 AU/d²
Physical Parameters
H (abs. magnitude)19.63
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-29
RMS Residual0.309″
Uncertainty0
Orbit TypeApollo
MOID0.136417 AU
Observations Used341
Oppositions4
Arc Total2003-2023
First Observation Used2003-10-23
Last Observation Used2023-01-13
Observations (350)
Date Type RA Dec Mag Band Observatory
2003-10-29 19:09:08 C 22 34 37.45 +26 46 41.6 r 176
2003-10-29 19:12:45 C 22 34 38.06 +26 46 35.3 r 176
2003-10-29 19:16:25 C 22 34 38.68 +26 46 29.1 r 176
2003-10-29 19:18:14 C 22 34 38.99 +26 46 25.9 r 176
2003-10-29 19:20:04 C 22 34 39.30 +26 46 22.8 r 176
2003-11-03 02:41:56 C 22 52 29.14 +23 55 10.4 r 448
2003-11-03 02:49:43 C 22 52 30.34 +23 54 58.2 r 448
2003-11-03 03:02:07 C 22 52 32.24 +23 54 38.8 r 448
2003-11-03 20:40:21 C 22 55 20.46 +23 27 40.3 r 170
2003-11-03 20:41:55 C 22 55 20.71 +23 27 37.9 r 170
2003-11-03 20:43:17 C 22 55 20.92 +23 27 35.6 r 170
2003-11-03 20:45:49 C 22 55 21.30 +23 27 31.8 r 170
2003-11-09 03:00:33 C 23 13 53.20 +20 34 07.9 c 926
2003-11-09 03:03:04 C 23 13 53.58 +20 34 04.3 c 926
2003-11-09 03:05:30 C 23 13 53.93 +20 34 00.9 c 926
2003-11-10 01:54:30 C 23 16 59.61 +20 06 05.9 r 448
2003-11-10 02:04:27 C 23 17 00.92 +20 05 53.2 r 448
2003-11-10 02:37:09 C 23 17 05.14 +20 05 14.1 r 448
2003-11-10 02:57:39 C 23 17 07.69 +20 04 49.9 r 448
2003-11-10 03:08:19 C 23 17 09.08 +20 04 36.9 r 448
2003-11-13 03:44:51 C 23 26 32.19 +18 42 29.2 r 649
2003-11-13 03:49:58 C 23 26 32.85 +18 42 23.1 r 649
2003-11-13 03:55:05 C 23 26 33.41 +18 42 17.1 r 649
2003-11-13 19:10:07 C 23 28 28.16 +18 26 16.5 r 941
2003-11-13 19:11:47 C 23 28 28.32 +18 26 15.1 r 941
2003-11-13 19:13:25 C 23 28 28.48 +18 26 13.7 r 941
2003-11-13 19:15:04 C 23 28 28.66 +18 26 12.0 r 941
2003-11-13 19:16:42 C 23 28 28.89 +18 26 10.2 r 941
2003-11-17 04:14:24 C 23 38 09.65 +17 07 52.7 r 649
2003-11-17 04:16:58 C 23 38 09.91 +17 07 50.4 r 649
2003-11-17 04:19:31 C 23 38 10.26 +17 07 48.5 r 649
2003-11-17 04:22:05 C 23 38 10.52 +17 07 45.8 r 649
2003-11-18 02:34:58 C 23 40 44.91 +16 48 14.3 c 926
2003-11-18 02:38:17 C 23 40 45.27 +16 48 11.0 c 926
2003-11-18 02:41:30 C 23 40 45.67 +16 48 08.6 c 926
2003-11-27 18:37:33 C 00 05 33.48 +14 06 34.7 r 941
2003-11-27 18:44:04 C 00 05 34.07 +14 06 30.7 r 941
2003-11-27 18:45:43 C 00 05 34.21 +14 06 29.6 r 941
2003-11-27 18:47:20 C 00 05 34.38 +14 06 28.6 r 941
2003-11-27 18:48:59 C 00 05 34.54 +14 06 27.6 r 941
2003-12-21 01:57:32 C 00 57 29.57 +11 29 20.1 o 715
2003-12-21 02:08:41 C 00 57 30.56 +11 29 18.7 o 715
2003-12-21 02:19:50 C 00 57 31.54 +11 29 18.2 o 715
2007-09-24 11:47:22 C 06 46 28.09 +27 24 11.4 o 291
2007-09-24 11:53:38 C 06 46 28.65 +27 24 09.9 o 291
2007-09-24 12:00:38 C 06 46 29.24 +27 24 06.8 o 291
2007-11-05 09:36:46 C 07 39 58.24 +21 23 55.7 r G96
2007-11-05 09:44:47 C 07 39 58.35 +21 23 52.3 r G96
2007-11-05 09:52:54 C 07 39 58.46 +21 23 49.0 r G96
2007-11-05 10:01:03 C 07 39 58.60 +21 23 45.6 r G96