2015 XO128

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3982917492 ± 2.00e+00
Semi-major axis (a)1.5481701140 AU ± 3.00e+00
Inclination (i)1.62694504° ± 4.00e+00
Long. of Asc. Node (Ω)134.38177384° ± 5.00e+00
Arg. of Perihelion (ω)239.36784032° ± 6.00e+00
Mean Anomaly (M)85.37264514° ± 6.30e-01
Mean Motion (n)0.5116318800°/day ± 1.49e+00
Perihelion dist (q)0.93155320 AU ± 3.58e+00
Aphelion dist (Q)2.16487480 AU ± 5.21e+00
Orbital Period1.92640010 yr ± 5.60e+00
Physical Parameters
H (abs. magnitude)24.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.179″
Uncertainty3
Orbit TypeApollo
MOID0.007498 AU
Observations Used15
Oppositions1
Arc Total2015-2015
First Observation Used
Last Observation Used2015-12-18
Observations (18)
Date Type RA Dec Mag Band Observatory
2015-12-05 08:42:10 C 02 30 42.485 -01 42 48.11 L F51
2015-12-05 08:58:56 C 02 30 47.867 -01 41 46.16 L F51
2015-12-05 09:15:42 C 02 30 53.314 -01 40 43.50 L F51
2015-12-06 04:46:18 C 02 37 23.29 -00 29 08.1 t W86
2015-12-06 04:54:51 C 02 37 25.90 -00 28 38.5 t W86
2015-12-06 05:03:23 C 02 37 28.51 -00 28 08.8 t W86
2015-12-06 05:10:51 C 02 37 30.82 -00 27 42.6 t W86
2015-12-06 06:17:50 C 02 37 54.18 -00 25 15.1 o 291
2015-12-06 06:22:50 C 02 37 55.67 -00 24 57.9 o 291
2015-12-06 10:09:30 C 02 39 07.159 -00 11 36.56 t 568
2015-12-06 10:11:03 C 02 39 07.622 -00 11 31.21 t 568
2015-12-06 10:12:37 C 02 39 08.088 -00 11 25.81 t 568
2015-12-07 03:07:12 C 02 44 24.70 +00 46 24.6 u 807
2015-12-07 03:17:31 C 02 44 27.63 +00 46 58.2 u 807
2015-12-07 03:27:27 C 02 44 30.45 +00 47 30.4 u 807
2015-12-18 04:32:00 C 03 40 58.79 +10 40 10.6 o 291
2015-12-18 04:41:29 C 03 41 00.10 +10 40 25.2 o 291
2015-12-18 04:50:59 C 03 41 01.42 +10 40 39.2 o 291