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
2021-03-12 12:24:06 s 1 +15164.203 0 +369952.69 7180.0 C57
2021-03-12 12:34:06 S 03 59 56.371 -67 07 54.95 V C57
2021-03-12 12:34:06 s 1 +14794.191 0 +370076.80 340.0 C57
2021-03-12 12:44:06 S 03 59 49.075 -67 07 31.91 V C57
2021-03-12 12:44:06 s 1 +14424.128 0 +370199.87 3320.0 C57
2021-03-12 12:54:06 S 03 59 42.048 -67 07 17.51 V C57
2021-03-12 12:54:06 s 1 +14054.015 0 +370321.88 6110.0 C57
2021-03-12 13:04:06 S 03 59 35.770 -67 06 57.64 V C57
2021-03-12 13:04:06 s 1 +13683.853 0 +370442.84 8720.0 C57
2021-03-12 13:14:06 S 03 59 28.898 -67 06 40.32 V C57
2021-03-12 13:14:06 s 1 +13313.643 0 +370562.75 1160.0 C57
2021-03-12 13:24:06 S 03 59 22.476 -67 06 19.48 V C57
2021-03-12 13:24:06 s 1 +12943.386 0 +370681.61 3420.0 C57
2021-03-12 13:34:06 S 03 59 14.926 -67 06 00.58 V C57
2021-03-12 13:34:06 s 1 +12573.082 0 +370799.43 5500.0 C57
2021-03-12 13:44:06 S 03 59 09.982 -67 05 47.98 V C57
2021-03-12 13:44:06 s 1 +12202.734 0 +370916.20 7410.0 C57
2021-03-12 13:54:06 S 03 59 02.160 -67 05 26.88 V C57
2021-03-12 13:54:06 s 1 +11832.343 0 +371031.92 9150.0 C57
2021-03-12 14:04:06 S 03 58 56.462 -67 05 06.94 V C57
2021-03-12 14:04:06 s 1 +11461.908 0 +371146.59 720.0 C57
2021-03-12 14:14:06 S 03 58 49.745 -67 04 46.20 V C57
2021-03-12 14:14:06 s 1 +11091.432 0 +371260.22 2130.0 C57
2021-03-12 14:24:06 S 03 58 43.450 -67 04 29.71 V C57
2021-03-12 14:24:06 s 1 +10720.915 0 +371372.80 3380.0 C57
2021-03-12 14:34:06 S 03 58 37.584 -67 04 08.94 V C57
2021-03-12 14:34:06 s 1 +10350.359 0 +371484.33 4460.0 C57
2021-03-12 14:44:06 S 03 58 29.333 -67 03 53.39 V C57
2021-03-12 14:54:06 S 03 58 23.066 -67 03 30.53 V C57
2021-03-12 15:04:06 S 03 58 17.518 -67 03 11.20 V C57
2021-03-12 15:14:06 S 03 58 10.022 -67 02 55.00 V C57
2021-03-12 15:24:06 S 03 58 04.049 -67 02 29.98 V C57
2021-03-12 15:44:06 S 03 57 50.952 -67 01 56.28 V C57
2021-03-12 15:54:06 S 03 57 43.910 -67 01 35.54 V C57
2021-03-12 16:04:06 S 03 57 38.573 -67 01 13.51 V C57
2021-03-12 16:14:06 S 03 57 31.680 -67 01 01.45 V C57
2021-03-12 16:34:06 S 03 57 18.466 -67 00 19.37 V C57
2021-03-12 16:54:06 S 03 57 04.286 -66 59 38.51 V C57
2021-03-12 17:04:06 S 03 56 59.374 -66 59 23.24 V C57
2021-03-12 17:14:06 S 03 56 53.040 -66 58 59.48 V C57
2021-03-12 17:24:06 S 03 56 45.694 -66 58 40.26 V C57
2021-03-12 17:34:06 S 03 56 38.854 -66 58 26.54 V C57
2021-03-12 17:44:06 S 03 56 32.604 -66 58 09.16 V C57
2021-03-12 18:04:06 S 03 56 18.852 -66 57 29.99 V C57
2021-03-12 18:14:06 S 03 56 13.147 -66 57 08.39 V C57
2021-03-12 18:24:06 S 03 56 05.640 -66 56 46.46 V C57
2021-03-12 18:34:06 S 03 55 59.676 -66 56 30.34 V C57
2021-03-12 19:04:06 S 03 55 40.596 -66 55 31.40 V C57
2021-03-12 19:14:06 S 03 55 33.382 -66 55 12.90 V C57
2021-03-12 19:44:06 S 03 55 14.851 -66 54 15.44 V C57