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
2021-02-17 06:54:06 s 1 -127823.48 2 +348039.33 6510.0 C57
2021-02-17 07:04:06 S 09 13 38.366 -58 59 19.61 V C57
2021-02-17 07:04:06 s 1 -128124.92 6 +347781.56 7510.0 C57
2021-02-17 08:04:06 S 09 13 22.894 -59 01 40.37 V C57
2021-02-17 08:04:06 s 1 -129926.23 1 +346214.32 700.0 C57
2021-02-17 08:14:06 S 09 13 20.503 -59 02 02.26 V C57
2021-02-17 08:14:06 s 1 -130225.21 1 +345949.67 7400.0 C57
2021-02-17 08:24:06 S 09 13 17.678 -59 02 21.88 V C57
2021-02-17 08:24:06 s 1 -130523.83 4 +345684.04 3490.0 C57
2021-02-17 08:44:06 S 09 13 11.760 -59 03 14.76 V C57
2021-02-17 08:44:06 s 1 -131120.00 4 +345149.82 3770.0 C57
2021-02-17 09:14:06 S 09 13 03.355 -59 04 20.89 V C57
2021-02-17 09:14:06 s 1 -132011.54 8 +344341.10 4460.0 C57
2021-02-17 09:24:06 S 09 13 00.641 -59 04 50.27 V C57
2021-02-17 09:24:06 s 1 -132308.00 2 +344069.56 6750.0 C57
2021-02-17 09:44:06 S 09 12 55.375 -59 05 37.68 V C57
2021-02-17 09:44:06 s 1 -132899.81 1 +343523.51 9410.0 C57
2021-02-17 09:54:06 S 09 12 53.004 -59 06 04.36 V C57
2021-02-17 09:54:06 s 1 -133195.16 3 +343249.00 9770.0 C57
2021-02-17 10:04:06 S 09 12 50.825 -59 06 26.53 V C57
2021-02-17 10:04:06 s 1 -133490.14 4 +342973.51 9490.0 C57
2021-02-17 10:24:06 S 09 12 44.376 -59 07 13.26 V C57
2021-02-17 10:24:06 s 1 -134078.99 3 +342419.55 6960.0 C57
2021-02-17 10:34:06 S 09 12 41.935 -59 07 31.48 V C57
2021-02-17 10:34:06 s 1 -134372.85 8 +342141.10 4720.0 C57
2021-02-17 10:44:06 S 09 12 39.439 -59 08 01.39 V C57
2021-02-17 10:44:06 s 1 -134666.34 7 +341861.65 1820.0 C57
2021-02-17 10:54:06 S 09 12 36.180 -59 08 21.34 V C57
2021-02-17 10:54:06 s 1 -134959.45 9 +341581.21 8250.0 C57
2021-02-17 11:14:06 S 09 12 30.739 -59 09 07.16 V C57
2021-02-17 11:14:06 s 1 -135544.54 9 +341017.36 9140.0 C57
2021-02-17 11:24:06 S 09 12 27.425 -59 09 31.79 V C57
2021-02-17 11:24:06 s 1 -135836.52 4 +340733.95 3580.0 C57
2021-02-17 11:34:06 S 09 12 24.696 -59 09 57.78 V C57
2021-02-17 11:34:06 s 1 -136128.11 7 +340449.55 7350.0 C57
2021-02-17 11:44:06 S 09 12 22.145 -59 10 19.49 V C57
2021-02-17 11:44:06 s 1 -136419.32 7 +340164.16 440.0 C57
2021-02-17 12:04:06 S 09 12 17.342 -59 11 07.37 V C57
2021-02-17 12:04:06 s 1 -137000.59 2 +339590.40 4610.0 C57
2021-02-17 12:14:06 S 09 12 14.179 -59 11 31.02 V C57
2021-02-17 12:14:06 s 1 -137290.64 4 +339302.03 5670.0 C57
2021-02-17 12:24:06 S 09 12 10.855 -59 11 53.27 V C57
2021-02-17 12:24:06 s 1 -137580.30 7 +339012.66 6050.0 C57
2021-02-17 12:34:06 S 09 12 08.664 -59 12 21.67 V C57
2021-02-17 12:34:06 s 1 -137869.58 0 +338722.31 5740.0 C57
2021-02-17 13:24:06 S 09 11 55.229 -59 14 20.08 V C57
2021-02-17 13:24:06 s 1 -139310.04 8 +337255.61 3810.0 C57
2021-02-17 13:44:06 S 09 11 48.425 -59 15 00.04 V C57
2021-02-17 13:44:06 s 1 -139883.45 7 +336661.95 4140.0 C57
2021-02-17 13:54:06 S 09 11 45.840 -59 15 27.54 V C57