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
2021-02-28 19:44:06 S 07 17 55.980 -68 11 19.25 V C57
2021-02-28 19:44:06 s 1 -47634.874 0 +378264.61 7440.0 C57
2021-02-28 19:54:06 S 07 17 48.924 -68 11 33.32 V C57
2021-02-28 19:54:06 s 1 -47994.711 0 +378216.60 970.0 C57
2021-02-28 20:04:06 S 07 17 43.298 -68 11 45.06 V C57
2021-02-28 20:04:06 s 1 -48354.422 0 +378167.60 4330.0 C57
2021-02-28 20:14:06 S 07 17 36.559 -68 12 00.22 V C57
2021-02-28 20:14:06 s 1 -48714.004 0 +378117.61 7520.0 C57
2021-02-28 20:24:06 S 07 17 29.753 -68 12 14.18 V C57
2021-02-28 20:24:06 s 1 -49073.458 0 +378066.64 550.0 C57
2021-02-28 20:34:06 S 07 17 23.803 -68 12 28.73 V C57
2021-02-28 20:34:06 s 1 -49432.782 0 +378014.68 3400.0 C57
2021-02-28 20:44:06 S 07 17 17.714 -68 12 37.62 V C57
2021-02-28 20:44:06 s 1 -49791.976 0 +377961.73 6090.0 C57
2021-02-28 20:54:06 S 07 17 11.083 -68 12 50.40 V C57
2021-02-28 20:54:06 s 1 -50151.038 0 +377907.80 8600.0 C57
2021-02-28 21:04:06 S 07 17 05.016 -68 13 05.20 V C57
2021-02-28 21:04:06 s 1 -50509.968 0 +377852.88 940.0 C57
2021-02-28 21:14:06 S 07 16 58.392 -68 13 18.26 V C57
2021-02-28 21:14:06 s 1 -50868.764 0 +377796.97 3110.0 C57
2021-02-28 21:24:06 S 07 16 52.694 -68 13 29.89 V C57
2021-02-28 21:24:06 s 1 -51227.426 0 +377740.08 5090.0 C57
2021-02-28 21:34:06 S 07 16 46.310 -68 13 45.41 V C57
2021-02-28 21:34:06 s 1 -51585.953 0 +377682.20 6900.0 C57
2021-02-28 21:44:06 S 07 16 39.218 -68 13 56.78 V C57
2021-02-28 21:44:06 s 1 -51944.343 0 +377623.33 8520.0 C57
2021-02-28 21:54:06 S 07 16 32.921 -68 14 11.58 V C57
2021-02-28 21:54:06 s 1 -52302.596 0 +377563.48 9960.0 C57
2021-02-28 22:04:06 S 07 16 26.734 -68 14 23.03 V C57
2021-02-28 22:04:06 s 1 -52660.712 0 +377502.64 1220.0 C57
2021-02-28 22:14:06 S 07 16 20.558 -68 14 36.96 V C57
2021-02-28 22:14:06 s 1 -53018.688 0 +377440.82 2290.0 C57
2021-02-28 22:24:06 S 07 16 13.814 -68 14 48.80 V C57
2021-02-28 22:24:06 s 1 -53376.524 0 +377378.01 3170.0 C57
2021-02-28 22:34:06 S 07 16 07.754 -68 15 03.20 V C57
2021-02-28 22:34:06 s 1 -53734.219 0 +377314.22 3860.0 C57
2021-02-28 22:44:06 S 07 16 00.869 -68 15 14.87 V C57
2021-02-28 22:44:06 s 1 -54091.773 0 +377249.44 4360.0 C57
2021-02-28 22:54:06 S 07 15 54.931 -68 15 29.48 V C57
2021-02-28 22:54:06 s 1 -54449.183 0 +377183.68 4670.0 C57
2021-02-28 23:04:06 S 07 15 48.698 -68 15 38.81 V C57
2021-02-28 23:04:06 s 1 -54806.450 0 +377116.93 4780.0 C57
2021-02-28 23:14:06 S 07 15 42.379 -68 15 53.57 V C57
2021-02-28 23:14:06 s 1 -55163.573 0 +377049.20 4690.0 C57
2021-02-28 23:24:06 S 07 15 35.436 -68 16 05.23 V C57
2021-02-28 23:24:06 s 1 -55520.549 0 +376980.48 4410.0 C57
2021-02-28 23:34:06 S 07 15 29.304 -68 16 18.66 V C57
2021-02-28 23:34:06 s 1 -55877.379 0 +376910.77 3920.0 C57
2021-02-28 23:44:06 S 07 15 22.507 -68 16 32.27 V C57
2021-02-28 23:44:06 s 1 -56234.062 0 +376840.09 3230.0 C57