265661 (2005 UB)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7391644678 ± 3.58e-08
Semi-major axis (a)1.8955722371 AU ± 3.80e-09
Inclination (i)27.73736153° ± 7.14e-06
Long. of Asc. Node (Ω)272.06835959° ± 1.66e-05
Arg. of Perihelion (ω)3.28449034° ± 1.74e-05
Mean Anomaly (M)268.78626010° ± 5.43e-06
Mean Motion (n)0.3776606769°/day ± 1.14e-09
Perihelion dist (q)0.49443259 AU ± 6.79e-08
Aphelion dist (Q)3.29671188 AU ± 6.82e-08
Orbital Period2.60981972 yr ± 7.84e-09
Physical Parameters
H (abs. magnitude)16.82
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual1.000″
Uncertainty0
Orbit TypeApollo
MOID0.461750 AU
Observations Used1784
Oppositions12
Arc Total2005-2025
First Observation Used2005-10-21
Last Observation Used2025-12-28
Observations (3338)
Date Type RA Dec Mag Band Observatory
2005-11-23 04:48:06 C 22 49 24.69 +43 33 51.2 19.5 c 704
2005-12-04 02:40:27 C 23 32 12.26 +38 23 24.8 r 703
2005-12-04 03:01:08 C 23 32 15.10 +38 23 03.1 r 703
2005-12-04 03:11:26 C 23 32 16.51 +38 22 52.5 r 703
2005-12-10 18:39:16 C 23 52 50.25 +35 50 30.9 r J95
2005-12-10 18:46:44 C 23 52 51.14 +35 50 24.4 r J95
2005-12-10 18:54:31 C 23 52 52.07 +35 50 17.4 r J95
2005-12-29 01:59:25 C 00 38 08.42 +30 58 42.1 c 711
2005-12-29 02:10:25 C 00 38 09.34 +30 58 36.2 c 711
2005-12-29 02:21:19 C 00 38 10.23 +30 58 32.4 c 711
2005-12-31 02:57:48 C 00 42 32.61 +30 35 47.1 r 703
2005-12-31 03:07:03 C 00 42 33.44 +30 35 41.0 r 703
2005-12-31 03:16:17 C 00 42 34.27 +30 35 38.2 r 703
2005-12-31 03:25:30 C 00 42 35.10 +30 35 34.0 r 703
2006-10-25 13:01:17 C 07 17 52.570 +23 08 14.38 o 568
2006-10-25 13:06:36 C 07 17 52.547 +23 08 13.81 o 568
2006-11-28 11:56:54 C 06 59 36.852 +21 59 11.61 o 568
2006-11-28 12:02:13 C 06 59 36.629 +21 59 11.20 o 568
2006-11-30 08:06:59 C 06 57 43.83 +21 55 39.0 d 291
2006-11-30 08:12:41 C 06 57 43.58 +21 55 38.8 d 291
2006-12-14 06:59:44 C 06 41 03.60 +21 27 00.9 c 691
2006-12-14 07:24:46 C 06 41 02.23 +21 26 58.5 c 691
2006-12-14 07:49:49 C 06 41 00.87 +21 26 56.7 c 691
2006-12-26 04:08:32 C 06 24 41.12 +20 58 54.4 o 691
2006-12-26 04:41:19 C 06 24 39.23 +20 58 50.5 o 691
2006-12-26 05:06:16 C 06 24 37.67 +20 58 49.0 o 691
2007-11-01 12:21:00 C 09 55 30.61 -03 37 13.4 o 291
2007-11-01 12:26:29 C 09 55 30.87 -03 37 18.5 o 291
2007-12-03 10:47:11 C 10 35 46.28 -14 06 07.7 r 448
2007-12-03 11:49:05 C 10 35 49.43 -14 07 10.2 r 448
2007-12-18 09:53:37 C 10 54 24.42 -20 46 51.8 r 448
2007-12-18 10:26:39 C 10 54 26.11 -20 47 32.2 r 448
2007-12-18 10:58:03 C 10 54 27.89 -20 48 10.8 r 448
2009-12-11 06:12:54 C 07 46 20.24 +11 44 34.2 o H21
2009-12-11 06:33:49 C 07 46 19.42 +11 44 30.4 o H21
2009-12-11 07:02:06 C 07 46 18.27 +11 44 25.6 o H21
2011-01-01 17:28:36 C 21 14 41.86 +03 51 19.6 v 204
2011-01-01 17:39:43 C 21 14 44.34 +03 51 35.0 v 204
2011-01-01 17:45:16 C 21 14 45.57 +03 51 42.8 v 204
2011-01-29 01:53:28 C 23 19 50.70 +15 32 41.9 r 703
2011-01-29 02:03:54 C 23 19 52.35 +15 32 49.2 r 703
2011-01-29 02:14:21 C 23 19 54.12 +15 32 56.6 r 703
2011-01-29 02:25:04 C 23 19 55.74 +15 33 05.6 r 703
2012-12-22 05:44:09 C 09 06 42.57 -05 34 08.6 u 807
2012-12-22 05:51:23 C 09 06 42.33 -05 34 12.5 u 807
2012-12-22 05:58:55 C 09 06 42.10 -05 34 16.2 u 807
2012-12-22 06:05:51 C 09 06 41.90 -05 34 20.0 u 807
2013-01-05 10:51:42 C 08 52 10.40 -08 26 21.4 o 926
2013-01-05 11:18:16 C 08 52 08.95 -08 26 33.1 o 926
2013-01-05 11:41:35 C 08 52 07.74 -08 26 44.5 o 926