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
2021-03-11 08:24:06 s 1 +75657.243 0 +333628.98 6930.0 C57
2021-03-11 08:44:06 S 04 18 51.569 -67 54 46.55 V C57
2021-03-11 08:44:06 s 1 +74969.083 0 +334250.28 7290.0 C57
2021-03-11 09:14:06 S 04 18 30.686 -67 53 59.60 V C57
2021-03-11 09:14:06 s 1 +73934.790 0 +335173.28 2980.0 C57
2021-03-11 09:34:06 S 04 18 15.739 -67 53 30.41 V C57
2021-03-11 09:34:06 s 1 +73243.914 0 +335782.67 6920.0 C57
2021-03-11 10:14:06 S 04 17 48.341 -67 52 28.20 V C57
2021-03-11 10:14:06 s 1 +71858.990 0 +336987.21 7280.0 C57
2021-03-11 10:24:06 S 04 17 41.318 -67 52 18.30 V C57
2021-03-11 10:24:06 s 1 +71512.108 0 +337285.39 820.0 C57
2021-03-11 11:14:06 S 04 17 05.042 -67 50 58.74 V C57
2021-03-11 11:14:06 s 1 +69773.874 0 +338758.59 9430.0 C57
2021-03-11 11:24:06 S 04 17 00.175 -67 50 46.79 V C57
2021-03-11 11:24:06 s 1 +69425.473 0 +339049.69 9350.0 C57
2021-03-11 12:54:06 S 04 15 57.050 -67 48 21.31 V C57
2021-03-11 12:54:06 s 1 +66278.715 0 +341616.88 1870.0 C57
2021-03-11 14:14:06 S 04 15 01.270 -67 46 15.35 V C57
2021-03-11 14:14:06 s 1 +63456.552 0 +343815.70 5750.0 C57
2021-03-11 14:44:06 S 04 14 40.778 -67 45 30.67 V C57
2021-03-11 14:44:06 s 1 +62398.033 0 +344622.59 3390.0 C57
2021-03-11 18:04:06 S 04 12 22.582 -67 40 08.87 V C57
2021-03-11 18:04:06 s 1 +55293.533 0 +349738.13 580.0 C57
2021-03-11 18:34:06 S 04 12 01.445 -67 39 20.12 V C57
2021-03-11 18:34:06 s 1 +54221.139 0 +350466.19 4000.0 C57
2021-03-11 19:24:06 S 04 11 28.253 -67 37 56.78 V C57
2021-03-11 19:24:06 s 1 +52430.188 0 +351657.03 3920.0 C57
2021-03-11 20:24:06 S 04 10 46.793 -67 36 20.88 V C57
2021-03-11 20:24:06 s 1 +50275.273 0 +353048.91 5230.0 C57
2021-03-11 20:34:06 S 04 10 40.670 -67 36 02.63 V C57
2021-03-11 20:34:06 s 1 +49915.527 0 +353276.97 7280.0 C57
2021-03-11 20:44:06 S 04 10 34.087 -67 35 49.45 V C57
2021-03-11 20:44:06 s 1 +49555.616 0 +353503.91 8900.0 C57
2021-03-11 21:14:06 S 04 10 12.454 -67 34 57.61 V C57
2021-03-11 21:14:06 s 1 +48474.900 0 +354178.01 1260.0 C57
2021-03-11 21:24:06 S 04 10 05.813 -67 34 37.67 V C57
2021-03-11 21:24:06 s 1 +48114.338 0 +354400.48 1210.0 C57
2021-03-11 21:34:06 S 04 10 00.192 -67 34 23.45 V C57
2021-03-11 21:34:06 s 1 +47753.618 0 +354621.84 760.0 C57
2021-03-11 21:44:06 S 04 09 52.584 -67 34 05.63 V C57
2021-03-11 21:44:06 s 1 +47392.739 0 +354842.08 9900.0 C57
2021-03-11 22:24:06 S 04 09 26.136 -67 32 59.50 V C57
2021-03-11 22:24:06 s 1 +45947.674 0 +355711.92 2460.0 C57
2021-03-11 22:34:06 S 04 09 18.398 -67 32 41.39 V C57
2021-03-11 22:34:06 s 1 +45586.026 0 +355926.60 9610.0 C57
2021-03-11 22:54:06 S 04 09 04.255 -67 32 09.56 V C57
2021-03-11 22:54:06 s 1 +44862.282 0 +356352.64 2750.0 C57
2021-03-11 23:04:06 S 04 08 57.194 -67 31 53.29 V C57
2021-03-11 23:04:06 s 1 +44500.188 0 +356564.00 8730.0 C57
2021-03-11 23:14:06 S 04 08 51.166 -67 31 41.27 V C57