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
2021-08-04 11:43:22 C 05 09 04.01 +39 17 00.0 U I41
2021-12-01 06:17:45 C 04 38 05.65 +38 56 59.7 V G96
2021-12-01 06:25:18 C 04 38 04.97 +38 56 56.6 V G96
2021-12-01 06:32:51 C 04 38 04.30 +38 56 53.3 V G96
2021-12-01 06:40:26 C 04 38 03.66 +38 56 50.3 V G96
2022-12-17 09:56:22 C 07 31 34.482 +12 51 00.00 V G96
2022-12-17 10:03:45 C 07 31 34.108 +12 50 59.24 V G96
2022-12-17 10:11:09 C 07 31 33.726 +12 50 58.02 V G96
2022-12-17 10:18:31 C 07 31 33.424 +12 50 57.62 V G96
2024-12-21 08:36:56 C 05 43 56.676 +26 55 37.78 V G96
2024-12-21 08:44:21 C 05 43 56.273 +26 55 35.98 V G96
2024-12-21 08:51:45 C 05 43 55.805 +26 55 34.75 V G96
2025-11-28 13:35:45 C 09 00 01.775 +01 35 43.80 X F51
2025-11-28 13:52:39 C 09 00 01.708 +01 35 36.63 X F51
2025-11-28 14:16:20 C 09 00 01.600 +01 35 26.65 X F51
2025-11-28 14:33:22 C 09 00 01.545 +01 35 19.43 X F51
2025-12-02 11:43:26 C 08 59 31.790 +00 55 42.74 V G96
2025-12-02 11:50:49 C 08 59 31.729 +00 55 39.94 V G96
2025-12-02 11:58:14 C 08 59 31.650 +00 55 36.77 V G96
2025-12-02 12:05:39 C 08 59 31.607 +00 55 33.42 V G96
2025-12-02 14:10:25 C 08 59 30.696 +00 54 41.13 X F52
2025-12-02 14:28:24 C 08 59 30.532 +00 54 33.58 X F52
2025-12-02 14:46:30 C 08 59 30.369 +00 54 26.05 X F52
2025-12-02 15:04:37 C 08 59 30.206 +00 54 17.90 X F52
2025-12-11 12:24:58 C 08 56 35.987 -00 36 34.32 X F52
2025-12-11 12:40:49 C 08 56 35.658 -00 36 41.26 X F52
2025-12-11 13:12:32 C 08 56 35.000 -00 36 54.74 X F52
2025-12-12 12:05:21 C 08 56 06.788 -00 46 37.13 V G96
2025-12-12 12:12:47 C 08 56 06.641 -00 46 40.84 V G96
2025-12-12 12:20:16 C 08 56 06.482 -00 46 44.08 V G96
2025-12-12 12:27:44 C 08 56 06.313 -00 46 46.20 V G96
2025-12-24 12:29:23 C 08 47 22.659 -02 45 54.29 X F51
2025-12-24 12:47:22 C 08 47 21.906 -02 46 01.86 X F51
2025-12-24 13:05:21 C 08 47 21.164 -02 46 08.71 X F51
2025-12-28 12:58:12 C 08 43 13.181 -03 23 39.26 X F51
2025-12-28 13:16:22 C 08 43 12.310 -03 23 46.24 X F51
2025-12-28 13:34:29 C 08 43 11.448 -03 23 53.21 X F51
2025-12-28 13:52:33 C 08 43 10.582 -03 24 00.06 X F51