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
2013-01-13 08:27:00 C 08 40 12.72 -09 51 55.2 r 703
2013-01-13 08:35:05 C 08 40 12.00 -09 51 57.9 r 703
2013-01-13 08:43:16 C 08 40 11.53 -09 52 00.6 r 703
2013-01-13 08:51:32 C 08 40 10.92 -09 52 05.5 r 703
2013-01-17 06:20:00 C 08 33 17.63 -10 29 28.6 V G45
2013-01-17 07:34:01 C 08 33 11.81 -10 29 57.2 V G45
2013-01-17 09:26:16 C 08 33 03.02 -10 30 40.0 V G45
2013-01-17 10:26:10 C 08 32 58.31 -10 31 01.5 V G45
2013-01-27 05:40:37 C 08 13 10.19 -11 45 04.0 u H21
2013-01-27 05:44:50 C 08 13 09.84 -11 45 05.4 u H21
2013-01-27 05:49:29 C 08 13 09.37 -11 45 07.1 u H21
2013-01-27 05:53:49 C 08 13 09.01 -11 45 08.1 u H21
2013-01-27 06:02:06 C 08 13 08.23 -11 45 09.9 u H21
2013-01-27 06:08:03 C 08 13 07.71 -11 45 11.6 u H21
2013-11-02 04:38:44 C 04 27 32.87 +54 05 24.1 o 926
2013-11-02 05:01:20 C 04 27 29.44 +54 05 14.6 o 926
2013-11-02 05:23:56 C 04 27 26.09 +54 05 05.7 o 926
2013-11-07 00:54:23 C 04 10 21.62 +53 05 34.2 c A24
2013-11-07 00:56:28 C 04 10 21.44 +53 05 33.1 c A24
2013-11-07 01:14:58 C 04 10 18.67 +53 05 22.0 c A24
2013-11-07 01:36:46 C 04 10 15.48 +53 05 09.4 c A24
2013-11-13 00:31:56 C 03 50 03.62 +51 26 56.4 c A24
2013-11-13 00:34:00 C 03 50 03.31 +51 26 55.0 c A24
2013-11-13 00:51:46 C 03 50 00.87 +51 26 41.4 c A24
2013-11-13 01:12:06 C 03 49 58.01 +51 26 24.7 c A24
2013-11-13 01:29:53 C 03 49 55.58 +51 26 10.5 c A24
2013-11-13 01:31:56 C 03 49 55.36 +51 26 09.8 c A24
2013-11-19 05:35:46 C 03 31 08.61 +49 20 53.0 u H21
2013-11-19 05:39:48 C 03 31 08.14 +49 20 49.6 u H21
2013-11-19 05:43:57 C 03 31 07.63 +49 20 45.5 u H21
2013-11-19 05:48:39 C 03 31 07.05 +49 20 41.2 u H21
2013-11-25 08:31:23 C 03 15 20.400 +47 00 57.87 L F51
2013-11-25 08:49:45 C 03 15 18.560 +47 00 39.72 L F51
2013-11-27 07:32:26 C 03 10 55.856 +46 14 18.49 L F51
2013-11-27 07:49:59 C 03 10 54.219 +46 14 01.07 L F51
2013-11-28 07:47:52 C 03 08 46.673 +45 50 03.29 L F51
2013-11-28 08:06:00 C 03 08 45.055 +45 49 45.27 L F51
2013-11-28 08:23:58 C 03 08 43.455 +45 49 27.37 L F51
2013-11-28 08:40:36 C 03 08 41.957 +45 49 10.85 L F51
2013-12-01 22:16:05 C 03 01 47.16 +44 23 10.5 t 130
2013-12-01 22:21:31 C 03 01 46.76 +44 23 04.4 t 130
2013-12-01 22:26:09 C 03 01 46.36 +44 22 59.9 t 130
2013-12-02 18:00:21 C 03 00 20.74 +44 03 20.6 t 240
2013-12-02 18:03:00 C 03 00 20.54 +44 03 18.3 t 240
2013-12-02 18:10:58 C 03 00 19.96 +44 03 09.9 t 240
2013-12-27 03:14:28 C 02 38 32.07 +35 27 04.8 q 448
2013-12-27 03:47:24 C 02 38 31.76 +35 26 41.2 q 448
2013-12-27 04:42:16 C 02 38 31.25 +35 26 01.5 q 448
2015-01-02 04:04:32 C 06 42 44.33 +16 44 53.2 t 309
2015-01-02 04:06:16 C 06 42 44.21 +16 44 53.0 t 309