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
2021-02-19 15:04:06 s 1 -198887.82 8 +202115.36 1060.0 C57
2021-02-19 16:14:06 S 08 56 26.498 -61 10 27.95 V C57
2021-02-19 16:14:06 s 1 -199375.43 4 +197720.10 9370.0 C57
2021-02-19 17:04:06 S 08 56 08.074 -61 12 19.76 V C57
2021-02-19 17:04:06 s 1 -199686.17 1 +194543.07 8560.0 C57
2021-02-19 17:24:06 S 08 56 02.136 -61 13 06.42 V C57
2021-02-19 17:24:06 s 1 -199801.51 7 +193263.45 3640.0 C57
2021-02-19 17:34:06 S 08 55 57.888 -61 13 32.70 V C57
2021-02-19 17:34:06 s 1 -199857.24 8 +192621.76 7580.0 C57
2021-02-19 17:44:06 S 08 55 56.076 -61 13 54.52 V C57
2021-02-19 17:44:06 s 1 -199911.67 8 +191978.80 9100.0 C57
2021-02-19 18:04:06 S 08 55 48.941 -61 14 31.31 V C57
2021-02-19 18:04:06 s 1 -200016.60 6 +190689.09 4850.0 C57
2021-02-19 18:24:06 S 08 55 42.883 -61 15 25.38 V C57
2021-02-19 18:24:06 s 1 -200116.25 4 +189394.31 800.0 C57
2021-02-19 18:54:06 S 08 55 31.598 -61 16 27.23 V C57
2021-02-19 18:54:06 s 1 -200255.71 7 +187442.64 1140.0 C57
2021-02-19 19:04:06 S 08 55 28.531 -61 16 50.12 V C57
2021-02-19 19:04:06 s 1 -200299.51 0 +186789.54 2910.0 C57
2021-02-19 19:14:06 S 08 55 25.385 -61 17 10.03 V C57
2021-02-19 19:14:06 s 1 -200341.94 6 +186135.17 2170.0 C57
2021-02-19 19:24:06 S 08 55 22.546 -61 17 32.75 V C57
2021-02-19 19:24:06 s 1 -200383.01 8 +185479.52 8890.0 C57
2021-02-19 20:34:06 S 08 54 58.282 -61 20 02.65 V C57
2021-02-19 20:34:06 s 1 -200631.78 6 +180854.23 3940.0 C57
2021-02-19 21:04:06 S 08 54 48.331 -61 21 09.83 V C57
2021-02-19 21:04:06 s 1 -200717.28 6 +178852.74 3990.0 C57
2021-02-19 21:14:06 S 08 54 45.283 -61 21 31.07 V C57
2021-02-19 21:14:06 s 1 -200742.92 1 +178183.01 2010.0 C57
2021-02-19 21:34:06 S 08 54 38.374 -61 22 14.02 V C57
2021-02-19 21:34:06 s 1 -200789.85 2 +176839.67 9980.0 C57
2021-02-19 21:54:06 S 08 54 31.246 -61 22 58.84 V C57
2021-02-19 21:54:06 s 1 -200830.95 2 +175491.18 7090.0 C57
2021-02-19 22:14:06 S 08 54 25.123 -61 23 51.29 V C57
2021-02-19 22:14:06 s 1 -200866.16 3 +174137.51 3250.0 C57
2021-02-19 22:24:06 S 08 54 22.586 -61 24 02.30 V C57
2021-02-19 22:24:06 s 1 -200881.54 3 +173458.74 2180.0 C57
2021-02-19 22:34:06 S 08 54 18.456 -61 24 25.27 V C57
2021-02-19 22:34:06 s 1 -200895.42 9 +172778.67 8330.0 C57
2021-02-19 22:44:06 S 08 54 14.554 -61 24 40.57 V C57
2021-02-19 22:44:06 s 1 -200907.81 3 +172097.30 1690.0 C57
2021-02-19 22:54:06 S 08 54 11.194 -61 25 05.16 V C57
2021-02-19 22:54:06 s 1 -200918.69 0 +171414.64 2230.0 C57
2021-02-19 23:04:06 S 08 54 07.133 -61 25 34.32 V C57
2021-02-19 23:04:06 s 1 -200928.05 0 +170730.68 9950.0 C57
2021-02-19 23:14:06 S 08 54 03.516 -61 25 55.31 V C57
2021-02-19 23:14:06 s 1 -200935.88 7 +170045.41 4840.0 C57
2021-02-19 23:34:06 S 08 53 57.960 -61 26 32.89 V C57
2021-02-19 23:34:06 s 1 -200946.96 1 +168670.98 6030.0 C57
2021-02-19 23:54:06 S 08 53 50.609 -61 27 19.55 V C57