2015 XQ261

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5737039412
Semi-major axis (a)3.0376455302 AU
Inclination (i)2.56188833°
Long. of Asc. Node (Ω)220.91526513° ± 5.00e+00
Arg. of Perihelion (ω)212.95301086° ± 6.00e+00
Mean Anomaly (M)344.62886011°
Mean Motion (n)0.1950510600°/day
Perihelion dist (q)1.28117420 AU
Aphelion dist (Q)4.60817320 AU
Orbital Period5.05307530 yr
Physical Parameters
H (abs. magnitude)22.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.231″
Uncertainty
Orbit TypeAmor
MOID0.309779 AU
Observations Used23
Oppositions1
Arc Total2015-2015
First Observation Used
Last Observation Used2015-12-14
Observations (23)
Date Type RA Dec Mag Band Observatory
2015-12-06 11:23:47 C 05 00 31.364 +17 14 46.55 L F51
2015-12-06 11:43:20 C 05 00 31.965 +17 14 41.88 L F51
2015-12-06 12:03:00 C 05 00 32.553 +17 14 36.55 L F51
2015-12-07 11:32:19 C 05 01 25.703 +17 09 00.06 L F51
2015-12-07 11:48:27 C 05 01 26.186 +17 08 56.10 L F51
2015-12-07 12:04:39 C 05 01 26.691 +17 08 51.80 L F51
2015-12-07 12:08:27 C 05 01 26.775 +17 08 51.47 t 568
2015-12-07 12:10:21 C 05 01 26.834 +17 08 51.00 t 568
2015-12-07 12:12:15 C 05 01 26.892 +17 08 50.53 t 568
2015-12-08 04:10:46 C 05 02 04.55 +17 04 59.4 t H01
2015-12-08 04:21:18 C 05 02 04.89 +17 04 57.3 t H01
2015-12-08 04:34:13 C 05 02 05.31 +17 04 54.6 t H01
2015-12-08 04:45:01 C 05 02 05.65 +17 04 52.3 t H01
2015-12-08 06:26:55 C 05 02 08.97 +17 04 30.0 q G96
2015-12-08 06:35:47 C 05 02 09.24 +17 04 28.5 q G96
2015-12-08 06:44:39 C 05 02 09.45 +17 04 26.0 q G96
2015-12-08 06:53:30 C 05 02 09.75 +17 04 25.0 q G96
2015-12-11 11:10:41 C 05 04 58.468 +16 47 50.12 t 568
2015-12-11 11:18:23 C 05 04 58.693 +16 47 48.49 t 568
2015-12-11 11:26:51 C 05 04 58.964 +16 47 46.62 t 568
2015-12-14 08:14:06 C 05 07 31.18 +16 34 24.6 o 691
2015-12-14 08:22:07 C 05 07 31.44 +16 34 23.4 o 691
2015-12-14 08:30:09 C 05 07 31.70 +16 34 22.2 o 691