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
2005-10-21 01:59:23 C 17 58 09.51 +53 06 17.9 18.1 c 704
2005-10-21 02:15:20 C 17 58 17.16 +53 06 37.8 17.9 c 704
2005-10-21 02:31:07 C 17 58 24.76 +53 06 58.0 18.5 c 704
2005-10-21 02:46:53 C 17 58 32.37 +53 07 17.9 18.2 c 704
2005-10-21 03:02:36 C 17 58 39.99 +53 07 37.5 18.1 c 704
2005-10-22 01:47:15 C 18 09 49.04 +53 35 02.1 c 854
2005-10-22 01:52:46 C 18 09 51.74 +53 35 07.9 c 854
2005-10-22 01:56:54 C 18 09 53.78 +53 35 12.6 c 854
2005-10-22 02:00:55 C 18 09 55.44 +53 35 12.9 r 734
2005-10-22 02:02:45 C 18 09 56.35 +53 35 14.9 r 734
2005-10-22 02:03:51 C 18 09 56.92 +53 35 16.1 c H36
2005-10-22 02:04:37 C 18 09 57.26 +53 35 16.8 r 734
2005-10-22 02:06:04 C 18 09 57.98 +53 35 18.6 c H36
2005-10-22 02:06:27 C 18 09 58.17 +53 35 18.9 r 734
2005-10-22 02:07:59 C 18 09 59.14 +53 35 24.4 c 854
2005-10-22 02:08:15 C 18 09 59.07 +53 35 20.7 c H36
2005-10-22 02:08:19 C 18 09 59.07 +53 35 20.8 r 734
2005-10-22 02:09:22 C 18 09 59.80 +53 35 26.0 c 854
2005-10-22 02:10:32 C 18 10 00.34 +53 35 23.6 c H36
2005-10-22 02:10:45 C 18 10 00.48 +53 35 27.2 c 854
2005-10-22 02:12:42 C 18 10 01.18 +53 35 25.8 c H36
2005-10-22 20:40:22 C 18 19 09.63 +53 54 29.0 o J95
2005-10-22 21:02:00 C 18 19 20.35 +53 54 49.3 o J95
2005-10-22 21:04:28 C 18 19 21.56 +53 54 51.4 o J95
2005-10-23 01:26:47 C 18 21 32.29 +53 59 09.3 o 448
2005-10-23 01:34:11 C 18 21 35.94 +53 59 15.8 o 448
2005-10-23 01:42:45 C 18 21 40.15 +53 59 23.3 o 448
2005-10-23 04:00:27 C 18 22 48.29 +54 01 24.6 o G77
2005-10-23 04:51:40 C 18 23 13.53 +54 02 08.9 o G77
2005-10-23 05:35:26 C 18 23 35.24 +54 02 45.8 o G77
2005-10-23 06:10:59 C 18 23 52.99 +54 03 15.3 o G77
2005-10-23 07:13:16 C 18 24 24.06 +54 04 07.3 o G77
2005-10-25 02:03:52 C 18 45 50.34 +54 34 46.4 o 448
2005-10-25 02:07:11 C 18 45 52.00 +54 34 48.2 o 448
2005-10-25 02:10:08 C 18 45 53.54 +54 34 49.7 o 448
2005-10-29 01:57:42 C 19 33 12.56 +54 52 18.8 o 696
2005-10-29 02:03:27 C 19 33 15.32 +54 52 17.8 o 696
2005-10-29 03:01:55 C 19 33 43.17 +54 52 06.3 o G88
2005-10-29 03:08:58 C 19 33 46.51 +54 52 04.6 o G88
2005-10-29 03:16:05 C 19 33 49.90 +54 52 03.1 o G88
2005-10-29 03:51:02 C 19 34 06.60 +54 51 56.6 o G77
2005-10-29 04:15:49 C 19 34 18.40 +54 51 51.7 o G77
2005-10-29 04:34:25 C 19 34 27.12 +54 51 47.2 o G77
2005-10-29 04:50:57 C 19 34 35.16 +54 51 44.4 o G77
2005-10-30 02:52:16 C 19 45 05.36 +54 46 19.0 o G77
2005-10-30 02:53:01 C 19 45 05.57 +54 46 18.3 o G88
2005-10-30 02:57:08 C 19 45 07.50 +54 46 17.1 o G88
2005-10-30 02:57:58 C 19 45 08.01 +54 46 17.0 o G77
2005-10-30 03:01:23 C 19 45 09.48 +54 46 15.7 o G88
2005-10-30 03:10:03 C 19 45 13.51 +54 46 12.4 o G88