2015 XN261

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1637763794 ± 1.22e-05
Semi-major axis (a)0.9740193031 AU ± 1.20e-06
Inclination (i)2.32164247° ± 1.25e-04
Long. of Asc. Node (Ω)278.46821136° ± 1.90e-04
Arg. of Perihelion (ω)274.93536053° ± 6.66e-04
Mean Anomaly (M)28.40313967° ± 7.41e-03
Mean Motion (n)1.0253235451°/day ± 1.90e-06
Perihelion dist (q)0.81449795 AU ± 1.20e-05
Aphelion dist (Q)1.13354066 AU ± 1.20e-05
Orbital Period0.96128319 yr ± 1.78e-06
Physical Parameters
H (abs. magnitude)26.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.307″
Uncertainty1
Orbit TypeAten
MOID0.005478 AU
Observations Used162
Oppositions1
Arc Total2015-2015
First Observation Used2015-12-10
Last Observation Used2015-12-22
Observations (166)
Date Type RA Dec Mag Band Observatory
2015-12-18 07:51:06 C 05 27 40.55 +55 49 03.6 q H45
2015-12-18 07:57:14 C 05 27 33.83 +55 49 43.5 q H45
2015-12-18 07:58:38 C 05 27 32.23 +55 49 52.1 q H45
2015-12-18 07:59:50 C 05 27 30.86 +55 50 00.7 q H45
2015-12-18 08:00:56 C 05 27 29.63 +55 50 08.0 q H45
2015-12-18 10:38:15 C 05 24 45.73 +56 08 51.0 q I52
2015-12-18 10:45:17 C 05 24 37.48 +56 09 43.2 u 926
2015-12-18 10:46:10 C 05 24 36.96 +56 09 41.1 q I52
2015-12-18 10:47:40 C 05 24 34.91 +56 09 57.7 u 926
2015-12-18 10:49:06 C 05 24 33.71 +56 09 59.4 q I52
2015-12-18 10:50:01 C 05 24 32.31 +56 10 12.4 u 926
2015-12-18 10:55:40 C 05 24 26.47 +56 10 40.8 q I52
2015-12-19 01:46:35 C 05 09 31.58 +58 13 09.8 q V37
2015-12-19 02:05:29 C 05 09 04.33 +58 16 32.2 q V37
2015-12-19 02:24:52 C 05 08 35.81 +58 19 58.8 q V37
2015-12-19 03:23:47 C 05 07 05.13 +58 30 19.0 q V37
2015-12-19 03:44:49 C 05 06 31.42 +58 33 56.4 q V37
2015-12-19 04:06:49 C 05 05 55.45 +58 37 41.2 q V37
2015-12-19 04:07:45 C 05 06 00.34 +58 37 12.3 u 926
2015-12-19 04:09:52 C 05 05 56.96 +58 37 34.6 u 926
2015-12-19 04:11:58 C 05 05 53.57 +58 37 55.2 u 926
2015-12-19 05:35:05 C 05 03 14.87 +58 50 53.2 q H36
2015-12-19 05:45:34 C 05 02 56.74 +58 52 29.1 q H36
2015-12-19 05:56:03 C 05 02 38.51 +58 54 04.6 q H36
2015-12-19 07:28:15 C 05 00 02.59 +59 09 12.8 q V37
2015-12-19 07:43:48 C 04 59 24.45 +59 09 58.6 q H45
2015-12-19 07:46:12 C 04 59 20.24 +59 10 17.8 q H45
2015-12-19 07:47:19 C 04 59 18.42 +59 10 25.0 q H45
2015-12-19 07:47:49 C 04 59 27.05 +59 11 59.2 q V37
2015-12-19 07:49:03 C 04 59 15.21 +59 10 41.0 q H45
2015-12-19 07:51:10 C 04 59 11.35 +59 10 57.3 q H45
2015-12-19 07:52:08 C 04 59 09.66 +59 11 05.9 q H45
2015-12-19 07:53:25 C 04 59 07.47 +59 11 16.0 q H45
2015-12-19 07:54:51 C 04 59 04.89 +59 11 27.9 q H45
2015-12-19 07:56:13 C 04 59 02.45 +59 11 38.6 q H45
2015-12-19 07:57:30 C 04 59 00.20 +59 11 49.3 q H45
2015-12-19 08:08:38 C 04 58 49.22 +59 14 52.8 q V37
2015-12-19 09:42:21 C 04 55 59.68 +59 27 17.4 q V37
2015-12-19 10:04:15 C 04 55 20.55 +59 30 04.2 q V37
2015-12-20 03:17:24 C 04 20 29.47 +62 16 11.4 q 204
2015-12-20 03:21:09 C 04 20 19.80 +62 16 41.5 q 204
2015-12-20 03:24:54 C 04 20 10.12 +62 17 11.7 q 204
2015-12-20 03:28:39 C 04 20 00.45 +62 17 41.9 q 204
2015-12-20 03:32:24 C 04 19 50.80 +62 18 11.9 q 204
2015-12-20 22:05:29 C 03 19 21.27 +65 19 10.8 q J69
2015-12-20 22:07:16 C 03 19 12.94 +65 19 23.5 q J69
2015-12-21 01:29:25 C 03 05 59.84 +65 44 42.0 u 926
2015-12-21 01:31:22 C 03 05 49.95 +65 44 59.4 u 926
2015-12-21 01:33:20 C 03 05 40.02 +65 45 16.9 u 926
2015-12-21 02:05:59 C 03 02 53.03 +65 49 54.9 u 926