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
2015-01-02 04:08:01 C 06 42 44.10 +16 44 52.8 t 309
2015-01-02 04:09:45 C 06 42 44.00 +16 44 52.7 t 309
2015-01-02 04:11:29 C 06 42 43.90 +16 44 52.6 t 309
2015-01-02 04:13:14 C 06 42 43.78 +16 44 52.4 t 309
2015-01-02 04:16:42 C 06 42 43.58 +16 44 52.1 t 309
2015-01-02 04:18:27 C 06 42 43.49 +16 44 51.9 t 309
2015-01-02 04:20:11 C 06 42 43.39 +16 44 51.8 t 309
2016-11-11 11:54:10 C 06 10 09.78 +33 09 13.2 q G96
2016-11-11 12:02:28 C 06 10 09.37 +33 09 13.2 q G96
2016-11-11 12:10:30 C 06 10 08.97 +33 09 13.0 q G96
2016-11-11 12:16:58 C 06 10 08.67 +33 09 12.5 q G96
2016-12-09 10:45:20 C 05 27 22.23 +31 40 35.5 q G96
2016-12-09 10:51:18 C 05 27 21.78 +31 40 33.5 q G96
2016-12-09 10:57:29 C 05 27 21.33 +31 40 32.6 q G96
2016-12-09 11:03:32 C 05 27 20.92 +31 40 30.9 q G96
2016-12-09 11:32:35 C 05 27 18.84 +31 40 24.2 q I52
2016-12-09 11:35:51 C 05 27 18.59 +31 40 23.8 q I52
2016-12-09 11:39:04 C 05 27 18.33 +31 40 22.7 q I52
2016-12-09 11:42:17 C 05 27 18.12 +31 40 21.7 q I52
2016-12-10 11:08:38 C 05 25 39.69 +31 35 05.0 q G96
2016-12-10 11:17:33 C 05 25 39.04 +31 35 03.0 q G96
2016-12-10 11:24:51 C 05 25 38.60 +31 35 00.9 q G96
2016-12-10 11:30:52 C 05 25 38.17 +31 35 00.4 q G96
2017-01-19 03:47:49 C 04 35 28.28 +27 07 50.1 q G96
2017-01-19 03:53:59 C 04 35 28.13 +27 07 48.5 q G96
2017-01-19 04:00:09 C 04 35 27.93 +27 07 46.8 q G96
2017-01-19 04:06:20 C 04 35 27.73 +27 07 44.8 q G96
2017-12-23 11:31:18 C 08 06 10.191 +05 09 47.81 U F51
2017-12-23 11:50:29 C 08 06 09.239 +05 09 43.93 U F51
2018-02-23 03:04:32 C 06 39 16.93 +04 15 58.1 U G96
2018-02-23 03:29:38 C 06 39 15.85 +04 16 02.6 U G96
2018-11-13 06:19:22 C 19 57 27.53 +28 55 41.2 U T05
2018-11-13 06:34:03 C 19 57 32.28 +28 55 50.8 U T05
2018-11-13 06:48:44 C 19 57 37.03 +28 55 59.9 U T05
2018-11-13 07:03:26 C 19 57 41.78 +28 56 09.1 U T05
2018-11-18 18:25:44 C 20 38 49.78 +29 56 37.6 q 160
2018-11-18 18:27:30 C 20 38 50.31 +29 56 38.4 q 160
2018-11-18 18:31:15 C 20 38 51.40 +29 56 40.2 q 160
2018-11-21 05:16:14 C 20 56 03.05 +30 09 33.3 U T05
2018-11-21 05:30:14 C 20 56 07.00 +30 09 35.7 U T05
2018-11-21 05:39:44 C 20 56 09.65 +30 09 36.9 U T05
2018-11-21 05:43:26 C 20 56 10.71 +30 09 37.5 U T05
2018-11-21 05:50:36 C 20 56 12.76 +30 09 38.4 U T05
2018-11-21 05:53:23 C 20 56 13.56 +30 09 39.4 U T05
2018-11-22 23:26:49 C 21 07 53.73 +30 14 19.1 q W34
2018-11-22 23:35:44 C 21 07 56.17 +30 14 18.8 q W34
2018-11-22 23:58:24 C 21 08 02.26 +30 14 18.8 q W34
2018-11-24 17:17:02 C 21 19 13.07 +30 15 52.7 V C95
2018-11-24 17:22:23 C 21 19 14.50 +30 15 53.5 V C95
2018-11-24 17:27:44 C 21 19 15.90 +30 15 53.4 V C95