2015 XD261

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3229074919 ± 2.06e-07
Semi-major axis (a)1.7590847186 AU ± 5.23e-09
Inclination (i)19.06309214° ± 5.06e-05
Long. of Asc. Node (Ω)257.40884356° ± 3.04e-05
Arg. of Perihelion (ω)162.76989426° ± 2.87e-04
Mean Anomaly (M)98.75231715° ± 1.50e-04
Mean Motion (n)0.4224566418°/day ± 1.89e-09
Perihelion dist (q)1.19106308 AU ± 3.62e-07
Aphelion dist (Q)2.32710635 AU ± 3.62e-07
Orbital Period2.33308270 yr ± 1.04e-08
Physical Parameters
H (abs. magnitude)22.45
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.237″
Uncertainty0
Orbit TypeAmor
MOID0.213366 AU
Observations Used43
Oppositions8
Arc Total2008-2022
First Observation Used2008-12-21
Last Observation Used2022-11-27
Observations (44)
Date Type RA Dec Mag Band Observatory
2008-12-21 02:28:00 C 02 21 15.21 +13 58 41.8 V G96
2008-12-21 02:34:13 C 02 21 16.13 +13 58 29.1 V G96
2008-12-21 02:40:25 C 02 21 16.89 +13 58 16.8 V G96
2008-12-21 02:46:37 C 02 21 17.88 +13 58 04.0 V G96
2015-12-05 05:09:49 C 01 25 17.187 +30 37 12.81 L F51
2015-12-05 05:25:42 C 01 25 19.716 +30 36 29.61 L F51
2015-12-05 05:41:37 C 01 25 22.214 +30 35 46.84 L F51
2015-12-05 05:57:40 C 01 25 24.766 +30 35 03.28 L F51
2015-12-06 05:01:05 C 01 29 17.624 +29 32 00.90 L F51
2015-12-06 05:19:15 C 01 29 20.523 +29 31 11.30 L F51
2015-12-06 07:01:27 C 01 29 36.558 +29 26 34.25 t 568
2015-12-06 07:03:21 C 01 29 36.856 +29 26 29.05 t 568
2015-12-06 07:05:16 C 01 29 37.155 +29 26 23.82 t 568
2015-12-06 08:12:41 C 01 29 46.71 +29 23 04.6 o 291
2015-12-06 08:20:39 C 01 29 48.08 +29 22 43.0 o 291
2015-12-06 08:28:38 C 01 29 49.38 +29 22 20.5 o 291
2015-12-09 03:51:59 C 01 41 01.98 +26 19 04.5 o 926
2015-12-09 04:04:01 C 01 41 03.85 +26 18 32.2 o 926
2015-12-09 04:16:01 C 01 41 05.73 +26 17 59.8 o 926
2015-12-11 03:23:17 C 01 48 47.23 +24 11 41.0 o 926
2015-12-11 03:34:30 C 01 48 48.94 +24 11 11.7 o 926
2015-12-11 03:45:39 C 01 48 50.65 +24 10 41.7 o 926
2015-12-11 07:17:06 C 01 49 24.544 +24 01 27.21 t 568
2015-12-11 07:25:33 C 01 49 25.825 +24 01 04.77 t 568
2015-12-11 07:35:08 C 01 49 27.290 +24 00 39.31 t 568
2015-12-16 03:51:45 C 02 07 51.32 +19 03 11.1 o 926
2015-12-16 04:03:49 C 02 07 53.06 +19 02 41.3 o 926
2015-12-16 04:15:54 C 02 07 54.87 +19 02 11.6 o 926
2015-12-18 01:50:43 C 02 14 54.82 +17 12 53.3 q G96
2015-12-18 02:00:55 C 02 14 56.32 +17 12 29.2 q G96
2015-12-18 02:11:06 C 02 14 57.77 +17 12 05.5 q G96
2015-12-19 01:52:42 C 02 18 31.72 +16 17 09.3 u H21
2015-12-19 02:03:27 C 02 18 33.26 +16 16 45.0 u H21
2015-12-19 02:21:06 C 02 18 35.78 +16 16 04.8 u H21
2016-01-01 06:41:49 C 03 02 48.251 +06 24 32.33 L F51
2016-01-01 07:18:21 C 03 02 52.744 +06 23 39.32 L F51
2016-01-01 07:36:40 C 03 02 55.002 +06 23 12.83 L F51
2016-01-03 02:18:06 C 03 08 24.77 +05 23 32.9 u H21
2016-01-03 02:36:49 C 03 08 27.09 +05 23 08.1 u H21
2016-01-03 02:59:04 C 03 08 29.80 +05 22 37.8 u H21
2022-11-27 01:55:05 C 00 55 05.380 +39 10 40.20 V I52
2022-11-27 01:57:50 C 00 55 05.860 +39 10 33.10 V I52
2022-11-27 02:00:35 C 00 55 06.290 +39 10 25.80 V I52
2022-11-27 02:03:20 C 00 55 06.740 +39 10 19.10 V I52