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
2003-10-23 03:29:03 C 22 01 10.55 +31 54 22.2 18.6 c 704
2003-10-23 03:45:32 C 22 01 14.26 +31 53 47.5 18.7 c 704
2003-10-23 04:02:07 C 22 01 18.06 +31 53 12.9 18.5 c 704
2003-10-23 04:18:40 C 22 01 21.81 +31 52 38.1 18.6 c 704
2003-10-23 04:35:30 C 22 01 25.66 +31 52 02.9 18.6 c 704
2003-10-23 23:43:44 C 22 05 52.51 +31 12 38.3 r 620
2003-10-24 01:29:38 C 22 06 19.66 +31 09 13.6 r 448
2003-10-24 01:34:55 C 22 06 20.82 +31 09 03.0 r 448
2003-10-24 01:40:10 C 22 06 21.98 +31 08 52.6 r 448
2003-10-24 01:52:32 C 22 06 24.71 +31 08 27.2 18.2 c 704
2003-10-24 02:00:10 C 22 06 26.28 +31 08 11.8 18.6 c 704
2003-10-24 02:10:04 C 22 06 28.53 +31 07 52.1 18.7 c 704
2003-10-24 02:21:02 C 22 06 30.84 +31 07 30.0 19.1 c 704
2003-10-24 02:28:32 C 22 06 32.50 +31 07 16.9 c 711
2003-10-24 02:34:48 C 22 06 33.81 +31 07 03.9 c 711
2003-10-24 02:40:55 C 22 06 35.18 +31 06 51.9 c 711
2003-10-24 02:42:36 C 22 06 35.60 +31 06 46.2 18.8 c 704
2003-10-24 02:45:26 C 22 06 36.30 +31 06 40.6 18.7 c 704
2003-10-24 03:00:39 C 22 06 40.05 +31 06 08.5 c 673
2003-10-24 03:02:58 C 22 06 40.10 +31 06 05.1 18.3 c 704
2003-10-24 03:03:19 C 22 06 40.59 +31 06 03.6 c 673
2003-10-24 03:06:00 C 22 06 41.11 +31 05 58.8 c 673
2003-10-24 03:07:55 C 22 06 41.12 +31 05 55.0 18.6 c 704
2003-10-24 03:08:40 C 22 06 41.74 +31 05 53.9 c 673
2003-10-24 03:25:12 C 22 06 44.53 +31 05 15.9 r H36
2003-10-24 03:31:06 C 22 06 45.83 +31 05 04.0 r H36
2003-10-24 03:32:18 C 22 06 46.44 +31 05 05.3 18.5 c 704
2003-10-24 03:37:09 C 22 06 47.11 +31 04 51.1 r 649
2003-10-24 03:39:43 C 22 06 47.65 +31 04 46.0 r 649
2003-10-24 03:42:16 C 22 06 48.25 +31 04 40.5 r 649
2003-10-24 05:13:29 C 22 07 08.43 +31 01 39.1 c 711
2003-10-24 05:20:07 C 22 07 09.87 +31 01 25.8 c 711
2003-10-24 05:26:51 C 22 07 11.33 +31 01 11.6 c 711
2003-10-24 18:49:48 C 22 10 13.96 +30 34 10.5 r 176
2003-10-24 18:51:08 C 22 10 14.25 +30 34 07.7 r 176
2003-10-24 18:54:00 C 22 10 14.86 +30 34 01.9 r 176
2003-10-24 18:58:47 C 22 10 15.89 +30 33 52.1 r 176
2003-10-25 19:56:23 C 22 15 41.62 +29 44 20.1 r 185
2003-10-25 20:01:46 C 22 15 42.73 +29 44 09.1 r 185
2003-10-25 20:04:29 C 22 15 43.30 +29 44 04.3 r 185
2003-10-25 20:15:32 C 22 15 45.55 +29 43 42.6 r 185
2003-10-27 18:59:49 C 22 25 23.46 +28 14 13.9 r 185
2003-10-27 19:06:11 C 22 25 24.76 +28 14 02.0 r 185
2003-10-27 19:11:41 C 22 25 25.69 +28 13 50.3 r 185
2003-10-27 19:19:14 C 22 25 27.20 +28 13 37.5 r 185
2003-10-28 18:28:52 C 22 29 58.46 +27 30 54.0 c 246
2003-10-28 18:30:47 C 22 29 58.83 +27 30 50.5 c 246
2003-10-28 18:33:10 C 22 29 59.20 +27 30 46.8 c 246
2003-10-28 18:34:18 C 22 29 59.44 +27 30 44.3 c 246
2003-10-28 18:35:15 C 22 29 59.60 +27 30 42.7 c 246