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
2021-02-02 12:15:21 C 10 08 24.82 -45 09 28.2 V T08
2021-02-02 13:03:22 C 10 08 20.46 -45 11 11.3 V T08
2021-02-02 13:08:00 C 10 08 20.04 -45 11 21.6 V T08
2021-02-02 13:15:58 C 10 08 19.31 -45 11 38.5 V T08
2021-02-06 05:54:45 C 09 59 30.24 -48 27 46.3 q X74
2021-02-06 06:17:00 C 09 59 27.65 -48 28 36.0 q X74
2021-02-06 06:39:29 C 09 59 25.02 -48 29 25.9 q X74
2021-02-15 06:34:06 S 09 25 44.210 -57 02 09.82 V C57
2021-02-15 06:34:06 s 1 -30134.378 0 +382059.33 3870.0 C57
2021-02-15 06:44:06 S 09 25 42.648 -57 02 20.76 V C57
2021-02-15 06:44:06 s 1 -30492.969 0 +382081.42 5930.0 C57
2021-02-15 07:04:06 S 09 25 37.687 -57 03 07.31 V C57
2021-02-15 07:04:06 s 1 -31209.959 0 +382122.65 9880.0 C57
2021-02-15 07:14:06 S 09 25 35.335 -57 03 39.92 V C57
2021-02-15 07:14:06 s 1 -31568.356 0 +382141.80 1770.0 C57
2021-02-15 07:24:06 S 09 25 33.053 -57 04 08.54 V C57
2021-02-15 07:24:06 s 1 -31926.686 0 +382159.97 3610.0 C57
2021-02-15 07:34:06 S 09 25 30.665 -57 04 31.40 V C57
2021-02-15 07:34:06 s 1 -32284.949 0 +382177.16 5380.0 C57
2021-02-15 07:44:06 S 09 25 29.098 -57 04 58.15 V C57
2021-02-15 07:44:06 s 1 -32643.143 0 +382193.37 7100.0 C57
2021-02-15 07:54:06 S 09 25 26.242 -57 05 20.54 V C57
2021-02-15 07:54:06 s 1 -33001.268 0 +382208.61 8750.0 C57
2021-02-15 08:04:06 S 09 25 24.300 -57 05 41.53 V C57
2021-02-15 08:04:06 s 1 -33359.323 0 +382222.87 340.0 C57
2021-02-15 08:14:06 S 09 25 21.034 -57 06 06.41 V C57
2021-02-15 08:14:06 s 1 -33717.307 0 +382236.15 1860.0 C57
2021-02-15 08:54:06 S 09 25 12.574 -57 07 49.80 V C57
2021-02-15 08:54:06 s 1 -35148.514 0 +382279.51 7240.0 C57
2021-02-15 09:14:06 S 09 25 07.894 -57 08 34.22 V C57
2021-02-15 09:14:06 s 1 -35863.668 0 +382295.34 9490.0 C57
2021-02-15 09:24:06 S 09 25 06.010 -57 09 01.01 V C57
2021-02-15 09:24:06 s 1 -36221.130 0 +382301.79 500.0 C57
2021-02-15 09:34:06 S 09 25 03.478 -57 09 26.50 V C57
2021-02-15 09:34:06 s 1 -36578.514 0 +382307.26 1430.0 C57
2021-02-15 09:44:06 S 09 25 01.586 -57 09 45.79 V C57
2021-02-15 09:44:06 s 1 -36935.818 0 +382311.76 2270.0 C57
2021-02-15 10:04:06 S 09 24 56.218 -57 10 37.16 V C57
2021-02-15 10:04:06 s 1 -37650.187 0 +382317.84 3700.0 C57
2021-02-15 10:14:06 S 09 24 53.964 -57 11 00.24 V C57
2021-02-15 10:14:06 s 1 -38007.250 0 +382319.42 4290.0 C57
2021-02-15 10:24:06 S 09 24 52.224 -57 11 25.55 V C57
2021-02-15 10:24:06 s 1 -38364.230 0 +382320.02 4790.0 C57
2021-02-15 10:34:06 S 09 24 49.886 -57 11 51.14 V C57
2021-02-15 10:34:06 s 1 -38721.126 0 +382319.66 5190.0 C57
2021-02-15 10:44:06 S 09 24 47.105 -57 12 10.58 V C57
2021-02-15 10:44:06 s 1 -39077.939 0 +382318.32 5510.0 C57
2021-02-15 10:54:06 S 09 24 44.662 -57 12 40.03 V C57
2021-02-15 10:54:06 s 1 -39434.666 0 +382316.00 5730.0 C57
2021-02-15 11:24:06 S 09 24 37.474 -57 13 53.47 V C57