2015 XN55

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2533400000
Semi-major axis (a)1.2076469000 AU
Inclination (i)2.95426000°
Long. of Asc. Node (Ω)75.90857000°
Arg. of Perihelion (ω)61.52258000°
Mean Anomaly (M)138.45557000°
Mean Motion (n)0.7426669400°/day
Perihelion dist (q)0.90170160 AU
Aphelion dist (Q)1.51359220 AU
Orbital Period1.32711930 yr
Physical Parameters
H (abs. magnitude)27.20
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.340″
Uncertainty5
Orbit TypeApollo
MOID0.006036 AU
Observations Used183
Radar Obs Used1
Oppositions1
Arc Total
First Observation Used
Last Observation Used2015-12-15
Observations (185)
Date Type RA Dec Mag Band Observatory
2015-12-04 07:11:40 C 04 25 40.291 +14 17 07.44 L F51
2015-12-04 07:31:49 C 04 25 39.476 +14 17 50.64 L F51
2015-12-04 07:51:07 C 04 25 38.608 +14 18 31.78 L F51
2015-12-05 11:00:00 C 04 25 38.392 +15 19 44.80 L F51
2015-12-05 11:17:20 C 04 25 37.381 +15 20 27.12 L F51
2015-12-05 11:34:35 C 04 25 36.403 +15 21 08.82 L F51
2015-12-05 11:52:01 C 04 25 35.452 +15 21 50.90 L F51
2015-12-05 12:37:02 C 04 25 32.990 +15 23 41.48 t 568
2015-12-05 12:38:36 C 04 25 32.920 +15 23 45.18 t 568
2015-12-05 12:40:09 C 04 25 32.850 +15 23 48.88 t 568
2015-12-06 06:13:13 C 04 25 56.10 +16 11 41.1 o 691
2015-12-06 06:16:29 C 04 25 55.90 +16 11 52.0 o 691
2015-12-06 06:19:43 C 04 25 55.72 +16 12 02.0 o 691
2015-12-06 12:09:47 C 04 25 46.677 +16 30 42.00 t 568
2015-12-06 12:11:19 C 04 25 46.595 +16 30 46.58 t 568
2015-12-06 12:12:52 C 04 25 46.509 +16 30 51.18 t 568
2015-12-07 11:11:16 C 04 26 07.208 +17 52 29.65 L F51
2015-12-07 11:27:29 C 04 26 06.119 +17 53 31.79 L F51
2015-12-07 11:43:37 C 04 26 05.055 +17 54 33.64 L F51
2015-12-07 11:59:46 C 04 26 04.037 +17 55 34.84 L F51
2015-12-08 04:56:57 C 04 26 40.86 +19 09 15.7 u 926
2015-12-08 05:03:08 C 04 26 40.42 +19 09 46.2 u 926
2015-12-08 05:09:21 C 04 26 40.09 +19 10 17.9 u 926
2015-12-08 06:22:37 C 04 26 35.16 +19 16 22.0 u 926
2015-12-08 06:28:48 C 04 26 34.71 +19 16 52.0 u 926
2015-12-08 06:35:00 C 04 26 34.27 +19 17 23.2 u 926
2015-12-08 21:31:34 C 04 26 56.03 +20 35 50.8 q 246
2015-12-08 21:33:07 C 04 26 55.99 +20 36 00.4 q 246
2015-12-08 21:33:54 C 04 26 55.85 +20 36 04.0 q 246
2015-12-08 21:34:13 C 04 26 55.86 +20 36 05.8 q 246
2015-12-09 02:55:40 C 04 27 11.88 +21 09 16.5 u H21
2015-12-09 02:57:38 C 04 27 11.78 +21 09 29.2 u H21
2015-12-09 02:59:35 C 04 27 11.67 +21 09 42.1 u H21
2015-12-09 03:01:33 C 04 27 11.57 +21 09 54.7 u H21
2015-12-09 03:03:30 C 04 27 11.46 +21 10 07.4 u H21
2015-12-09 03:05:28 C 04 27 11.37 +21 10 20.6 u H21
2015-12-09 03:07:26 C 04 27 11.26 +21 10 33.4 u H21
2015-12-09 03:09:23 C 04 27 11.16 +21 10 46.1 u H21
2015-12-09 03:11:21 C 04 27 11.04 +21 10 58.8 u H21
2015-12-09 03:13:19 C 04 27 10.95 +21 11 11.6 u H21
2015-12-09 03:15:27 C 04 27 10.80 +21 11 25.4 u H21
2015-12-09 03:17:25 C 04 27 10.70 +21 11 38.4 u H21
2015-12-09 03:19:22 C 04 27 10.60 +21 11 50.9 u H21
2015-12-09 03:21:19 C 04 27 10.48 +21 12 03.5 u H21
2015-12-09 03:24:02 C 04 27 10.33 +21 12 21.6 u H21
2015-12-09 08:03:52 C 04 26 56.80 +21 43 37.8 q V37
2015-12-09 08:05:15 C 04 26 56.71 +21 43 47.0 q V37
2015-12-09 08:06:39 C 04 26 56.61 +21 43 55.7 q V37
2015-12-09 08:08:03 C 04 26 56.52 +21 44 04.9 q V37
2015-12-09 08:09:26 C 04 26 56.42 +21 44 13.8 q V37
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-12-14 03:10:00 194661.38 30 Hz 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)