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
2007-12-06 09:53:02 C 07 22 48.63 +16 04 59.8 o 691
2007-12-06 10:18:26 C 07 22 46.75 +16 04 46.8 o 691
2007-12-06 10:43:50 C 07 22 44.90 +16 04 35.7 o 691
2007-12-26 06:34:25 C 06 38 33.08 +12 38 29.7 o H55
2007-12-26 06:47:23 C 06 38 31.65 +12 38 23.5 o H55
2007-12-26 06:54:52 C 06 38 30.83 +12 38 20.6 o H55
2007-12-26 07:01:49 C 06 38 30.07 +12 38 17.3 o H55
2008-01-20 04:50:15 C 05 41 46.43 +09 47 39.8 o H55
2008-01-20 05:03:44 C 05 41 45.42 +09 47 37.1 o H55
2008-01-20 05:18:10 C 05 41 44.10 +09 47 33.3 o H55
2008-10-02 02:09:06 C 17 09 12.11 -00 58 54.8 o 291
2008-10-02 02:14:49 C 17 09 13.63 -00 58 52.4 o 291
2008-10-02 02:20:04 C 17 09 14.90 -00 58 53.6 o 291
2012-02-09 08:00:10 C 12 12 50.51 -33 16 15.7 o 807
2012-02-09 08:06:35 C 12 12 50.80 -33 16 26.6 o 807
2012-02-09 08:14:09 C 12 12 51.15 -33 16 39.8 o 807
2012-03-13 09:24:25 C 13 13 19.64 -64 58 08.7 o 807
2012-03-13 09:26:54 C 13 13 20.08 -64 58 17.0 o 807
2012-03-13 09:29:21 C 13 13 20.46 -64 58 24.8 o 807
2012-03-13 09:31:49 C 13 13 20.93 -64 58 33.0 o 807
2012-03-13 09:34:18 C 13 13 21.40 -64 58 41.1 o 807
2012-03-13 09:36:44 C 13 13 21.82 -64 58 49.1 o 807
2012-03-13 09:39:10 C 13 13 22.21 -64 58 57.3 o 807
2012-03-13 09:44:02 C 13 13 23.12 -64 59 13.3 o 807
2013-01-17 04:00:57 C 04 33 50.86 +12 58 48.2 r G96
2013-01-17 04:10:05 C 04 33 50.65 +12 58 46.1 r G96
2013-01-17 04:19:13 C 04 33 50.40 +12 58 44.4 r G96
2013-01-17 04:28:11 C 04 33 50.18 +12 58 42.9 r G96
2017-01-04 12:40:43 C 10 20 15.818 -08 25 48.21 L F51
2017-01-04 12:58:36 C 10 20 15.778 -08 26 04.39 L F51
2017-01-04 13:16:28 C 10 20 15.733 -08 26 20.58 L F51
2017-01-04 13:34:20 C 10 20 15.692 -08 26 36.69 L F51
2017-02-01 06:49:53 C 09 56 45.48 -18 29 33.0 V G45
2017-02-01 06:50:03 C 09 56 45.49 -18 29 32.4 V G45
2017-02-01 07:49:28 C 09 56 40.45 -18 30 21.6 V G45
2017-02-01 07:53:05 C 09 56 40.16 -18 30 24.4 V G45
2017-02-01 10:02:13 C 09 56 29.33 -18 32 10.5 V G45
2017-02-01 10:06:23 C 09 56 28.97 -18 32 13.8 V G45
2017-02-01 11:02:31 C 09 56 24.26 -18 32 59.2 V G45
2017-02-01 11:06:53 C 09 56 23.89 -18 33 03.0 V G45
2017-11-21 09:10:34 C 04 47 44.11 +28 06 04.9 U G96
2017-11-21 09:18:45 C 04 47 43.07 +28 05 57.5 U G96
2017-11-21 09:26:57 C 04 47 42.00 +28 05 50.4 U G96
2017-11-21 09:35:10 C 04 47 40.92 +28 05 43.3 U G96
2017-11-22 08:24:19 C 04 44 52.49 +27 45 33.9 U 703
2017-11-22 08:35:25 C 04 44 51.04 +27 45 24.0 U 703
2017-11-22 08:44:41 C 04 44 49.91 +27 45 16.1 U 703
2017-11-24 10:58:32 C 04 38 40.05 +26 59 54.0 U T08
2017-11-24 11:12:46 C 04 38 38.21 +26 59 41.0 U T08
2017-11-24 11:18:07 C 04 38 37.56 +26 59 35.6 U T08