2011 UY255

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3189835326 ± 3.36e-08
Semi-major axis (a)1.3494163003 AU ± 2.60e-09
Inclination (i)8.04149059° ± 8.44e-06
Long. of Asc. Node (Ω)192.25424212° ± 2.61e-05
Arg. of Perihelion (ω)276.15342877° ± 2.77e-05
Mean Anomaly (M)306.74292384° ± 1.24e-05
Mean Motion (n)0.6287722236°/day ± 1.82e-09
Perihelion dist (q)0.91897472 AU ± 4.54e-08
Aphelion dist (Q)1.77985788 AU ± 4.55e-08
Orbital Period1.56754107 yr ± 4.54e-09
Physical Parameters
H (abs. magnitude)22.96
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.266″
Uncertainty0
Orbit TypeApollo
MOID0.075546 AU
Observations Used75
Oppositions4
Arc Total2011-2022
First Observation Used2011-10-30
Last Observation Used2022-10-02
Observations (76)
Date Type RA Dec Mag Band Observatory
2011-11-15 04:15:23 C 02 32 30.12 -46 50 52.3 o 807
2011-11-15 04:22:54 C 02 32 30.60 -46 51 31.7 o 807
2011-11-22 06:30:18 C 02 55 13.15 -61 11 32.2 o 807
2011-11-22 06:38:04 C 02 55 14.40 -61 12 07.9 o 807
2011-11-22 06:45:38 C 02 55 15.57 -61 12 43.4 o 807
2011-11-26 14:04:05 C 03 21 28.43 -69 05 55.3 o 474
2011-11-26 14:06:30 C 03 21 29.16 -69 06 05.4 o 474
2011-11-26 14:08:30 C 03 21 29.76 -69 06 13.5 o 474
2011-11-26 14:10:45 C 03 21 30.39 -69 06 23.1 o 474
2012-04-12 08:07:37 C 15 05 44.74 -07 47 07.0 o 291
2012-04-12 08:17:40 C 15 05 43.80 -07 46 54.3 o 291
2012-04-12 08:27:43 C 15 05 42.91 -07 46 42.3 o 291
2014-08-26 10:05:29 C 21 07 42.486 -01 03 25.99 t 568
2014-08-26 10:21:07 C 21 07 41.290 -01 03 36.25 t 568
2014-08-27 09:31:14 C 21 06 01.541 -01 18 55.56 t 568
2014-08-27 09:46:53 C 21 06 00.350 -01 19 06.00 t 568
2014-08-31 03:10:56 C 20 59 48.77 -02 19 55.7 o 695
2014-08-31 03:15:24 C 20 59 48.47 -02 19 58.7 o 695
2014-08-31 03:19:51 C 20 59 48.16 -02 20 02.0 o 695
2014-08-31 03:25:02 C 20 59 47.79 -02 20 05.4 o 695
2014-08-31 03:29:29 C 20 59 47.48 -02 20 08.5 o 695
2014-08-31 03:33:57 C 20 59 47.16 -02 20 11.4 o 695
2014-08-31 03:38:43 C 20 59 46.83 -02 20 14.2 o 695
2022-10-02 08:43:23 C 03 43 28.76 +15 38 46.5 u H21
2022-10-02 08:58:17 C 03 43 30.80 +15 38 33.7 u H21
2022-10-02 09:11:59 C 03 43 32.62 +15 38 21.8 u H21