256004 (2006 UP)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3000874441 ± 6.00e-08
Semi-major axis (a)1.5833230905 AU ± 5.06e-09
Inclination (i)2.28514186° ± 3.59e-06
Long. of Asc. Node (Ω)47.86225769° ± 2.40e-05
Arg. of Perihelion (ω)335.23760807° ± 3.58e-05
Mean Anomaly (M)205.61873735° ± 1.68e-05
Mean Motion (n)0.4947182801°/day ± 2.37e-09
Perihelion dist (q)1.10818771 AU ± 9.51e-08
Aphelion dist (Q)2.05845847 AU ± 9.53e-08
Orbital Period1.99229809 yr ± 9.54e-09
NGA Modelr2
A2-1.65326857e-13 ± 1.73e-14 AU/d²
Physical Parameters
H (abs. magnitude)23.02
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.287″
Uncertainty0
Orbit TypeAmor
MOID0.111001 AU
Observations Used171
Oppositions11
Arc Total2002-2024
First Observation Used2002-11-14
Last Observation Used2024-12-07
Observations (176)
Date Type RA Dec Mag Band Observatory
2006-11-11 10:00:51 C 04 28 36.06 +22 46 41.2 r H36
2006-11-11 10:23:25 C 04 28 35.91 +22 46 54.0 r H36
2006-11-14 07:48:50 C 04 29 05.04 +23 30 35.3 c 691
2006-11-14 08:13:56 C 04 29 04.72 +23 30 50.2 c 691
2006-11-14 08:39:02 C 04 29 04.48 +23 31 05.8 c 691
2006-11-18 05:12:47 C 04 29 02.20 +24 22 29.5 c 691
2006-11-18 05:37:51 C 04 29 01.81 +24 22 43.8 c 691
2006-11-18 06:02:54 C 04 29 01.42 +24 22 58.0 c 691
2006-11-22 05:03:41 C 04 28 22.46 +25 08 06.5 c 691
2006-11-22 05:28:45 C 04 28 21.95 +25 08 18.6 c 691
2006-11-22 05:53:48 C 04 28 21.46 +25 08 30.5 c 691
2006-11-23 04:12:19 C 04 28 09.53 +25 17 56.2 m H07
2006-11-23 04:17:49 C 04 28 09.39 +25 17 59.0 m H07
2008-09-21 11:38:20 C 02 34 13.29 +02 20 55.7 o 291
2008-09-21 11:44:09 C 02 34 14.04 +02 21 01.5 o 291
2008-09-21 11:50:28 C 02 34 14.88 +02 21 07.2 o 291
2008-10-27 09:27:50 C 04 08 49.84 +17 38 06.1 r G96
2008-10-27 09:36:19 C 04 08 50.17 +17 38 13.8 r G96
2008-10-27 09:44:48 C 04 08 50.49 +17 38 21.8 r G96
2008-10-27 09:53:29 C 04 08 50.82 +17 38 30.0 r G96
2008-11-03 08:49:57 C 04 16 01.70 +20 06 45.8 o 691
2008-11-03 09:15:20 C 04 16 02.10 +20 07 06.6 o 691
2008-11-03 09:40:42 C 04 16 02.49 +20 07 27.2 o 691
2008-11-07 09:01:40 C 04 18 29.73 +21 22 27.4 o 691
2008-11-07 09:27:06 C 04 18 29.79 +21 22 47.0 o 691
2008-11-07 09:52:31 C 04 18 29.92 +21 23 04.6 o 691
2008-11-21 06:12:19 C 04 20 24.73 +24 42 50.5 o 691
2008-11-21 06:37:47 C 04 20 24.25 +24 43 02.6 o 691
2010-08-16 09:02:12 C 00 35 02.63 -07 42 06.0 o H21
2010-08-16 09:19:46 C 00 35 04.61 -07 41 58.7 o H21
2010-08-16 09:39:16 C 00 35 06.73 -07 41 51.3 o H21
2010-10-30 06:31:01 C 04 13 08.30 +18 35 44.1 o 691
2010-10-30 06:56:32 C 04 13 09.13 +18 36 08.6 o 691
2010-10-30 07:22:03 C 04 13 10.02 +18 36 32.2 o 691
2010-11-05 06:09:48 C 04 18 31.61 +20 38 37.6 o 691
2010-11-05 06:35:16 C 04 18 31.99 +20 38 58.8 o 691
2010-11-05 07:00:45 C 04 18 32.32 +20 39 20.2 o 691
2010-11-10 09:28:41 C 04 20 58.12 +22 10 52.1 r G96
2010-11-10 09:36:52 C 04 20 58.12 +22 10 57.5 r G96
2010-11-10 09:45:17 C 04 20 58.09 +22 11 03.1 r G96
2010-11-10 09:53:45 C 04 20 58.09 +22 11 08.5 r G96
2010-11-13 10:01:13 C 04 21 41.22 +22 58 58.0 r G96
2010-11-13 10:08:48 C 04 21 41.18 +22 59 02.5 r G96
2010-11-13 10:16:26 C 04 21 41.14 +22 59 07.1 r G96
2010-11-13 10:23:57 C 04 21 41.11 +22 59 11.4 r G96
2010-11-14 06:43:33 C 04 21 51.43 +23 11 52.2 o 691
2010-11-14 07:09:02 C 04 21 51.20 +23 12 07.8 o 691
2010-11-14 07:34:34 C 04 21 51.06 +23 12 24.4 o 691
2010-11-16 12:59:29 C 04 21 58.969 +23 43 59.27 L F51
2010-11-16 13:15:58 C 04 21 58.763 +23 44 07.75 L F51