2015 XL261

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4458424439 ± 2.00e+00
Semi-major axis (a)1.5637628330 AU ± 3.00e+00
Inclination (i)1.49993250° ± 4.00e+00
Long. of Asc. Node (Ω)306.33567555° ± 5.00e+00
Arg. of Perihelion (ω)192.87484978° ± 6.00e+00
Mean Anomaly (M)7.49637305° ± 3.35e-02
Mean Motion (n)0.5040194700°/day ± 1.45e+00
Perihelion dist (q)0.86657090 AU ± 3.54e+00
Aphelion dist (Q)2.26095690 AU ± 5.35e+00
Orbital Period1.95549530 yr ± 5.63e+00
Physical Parameters
H (abs. magnitude)25.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.416″
Uncertainty2
Orbit TypeApollo
MOID0.016337 AU
Observations Used50
Oppositions1
Arc Total2015-2015
First Observation Used
Last Observation Used2015-12-18
Observations (52)
Date Type RA Dec Mag Band Observatory
2015-12-10 08:51:48 C 06 01 53.30 +47 05 14.0 q G96
2015-12-10 08:57:45 C 06 01 57.03 +47 05 44.5 q G96
2015-12-10 09:03:41 C 06 02 00.81 +47 06 16.0 q G96
2015-12-10 09:09:38 C 06 02 04.56 +47 06 46.7 q G96
2015-12-10 10:06:15 C 06 02 40.76 +47 11 38.0 q G96
2015-12-10 10:12:48 C 06 02 44.99 +47 12 11.8 q G96
2015-12-10 10:19:21 C 06 02 49.24 +47 12 45.4 q G96
2015-12-10 10:25:52 C 06 02 53.49 +47 13 18.5 q G96
2015-12-10 21:43:40 C 06 11 41.09 +48 14 49.8 q 246
2015-12-10 21:46:07 C 06 11 43.17 +48 15 04.8 q 246
2015-12-10 21:47:41 C 06 11 44.40 +48 15 14.5 q 246
2015-12-10 21:50:25 C 06 11 47.76 +48 15 39.5 19.4 t 104
2015-12-10 21:55:44 C 06 11 51.79 +48 16 12.0 19.6 t 104
2015-12-11 04:22:21 C 06 17 21.14 +48 53 26.1 19.9 t 754
2015-12-11 04:28:37 C 06 17 26.40 +48 54 04.7 t 754
2015-12-11 04:34:57 C 06 17 31.69 +48 54 42.5 19.9 t 754
2015-12-11 06:36:00 C 06 19 13.46 +49 06 56.9 20.1 t 754
2015-12-11 06:42:18 C 06 19 18.81 +49 07 34.2 19.8 t 754
2015-12-11 06:48:36 C 06 19 24.24 +49 08 11.9 20.1 t 754
2015-12-11 17:36:40 C 06 29 54.82 +50 14 09.3 o 300
2015-12-11 17:38:59 C 06 29 57.08 +50 14 23.2 o 300
2015-12-11 18:12:47 C 06 30 30.54 +50 17 43.3 o 300
2015-12-13 08:01:19 C 07 24 27.10 +54 18 32.9 u 926
2015-12-13 08:06:10 C 07 24 35.70 +54 19 03.9 u 926
2015-12-13 08:11:02 C 07 24 44.23 +54 19 34.4 u 926
2015-12-13 09:44:30 C 07 27 30.55 +54 29 06.4 u 926
2015-12-13 09:49:22 C 07 27 39.36 +54 29 36.2 u 926
2015-12-13 09:54:13 C 07 27 48.01 +54 30 04.5 u 926
2015-12-14 09:29:19 C 08 21 32.07 +56 26 20.6 u 926
2015-12-14 09:33:28 C 08 21 42.68 +56 26 35.6 u 926
2015-12-14 09:37:41 C 08 21 53.32 +56 26 49.6 u 926
2015-12-15 12:38:56 C 09 44 28.12 +56 25 34.8 u 926
2015-12-15 12:43:58 C 09 44 44.48 +56 25 11.5 u 926
2015-12-15 12:48:59 C 09 45 00.81 +56 24 48.5 u 926
2015-12-16 11:10:49 C 11 01 31.33 +53 04 27.7 u 926
2015-12-16 11:15:10 C 11 01 45.24 +53 03 29.5 u 926
2015-12-16 11:19:32 C 11 01 59.04 +53 02 32.2 u 926
2015-12-16 12:45:28 C 11 06 30.26 +52 42 48.4 o 926
2015-12-16 12:48:32 C 11 06 39.93 +52 42 04.5 o 926
2015-12-16 12:51:37 C 11 06 49.55 +52 41 20.7 o 926
2015-12-17 12:54:59 C 12 17 35.57 +45 15 57.4 o 926
2015-12-17 12:57:56 C 12 17 42.75 +45 14 53.4 o 926
2015-12-17 13:00:54 C 12 17 49.99 +45 13 49.1 o 926
2015-12-17 13:03:56 C 12 17 57.36 +45 12 43.5 o 926
2015-12-17 13:06:55 C 12 18 04.63 +45 11 38.3 o 926
2015-12-17 13:09:52 C 12 18 11.75 +45 10 34.5 o 926
2015-12-18 12:56:10 C 13 09 46.71 +35 51 15.4 o 926
2015-12-18 12:59:13 C 13 09 52.02 +35 50 03.3 o 926
2015-12-18 13:02:17 C 13 09 57.31 +35 48 50.8 o 926
2015-12-18 13:05:20 C 13 10 02.49 +35 47 38.3 o 926