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
2015-12-10 08:12:38 C 04 28 09.72 +24 57 17.3 18.0 t F65
2015-12-10 19:05:36 C 04 28 47.15 +26 44 30.6 q 246
2015-12-10 19:06:15 C 04 28 47.12 +26 44 38.2 q 246
2015-12-10 19:06:33 C 04 28 47.14 +26 44 41.8 q 246
2015-12-10 19:06:55 C 04 28 47.08 +26 44 46.5 q 246
2015-12-10 19:07:25 C 04 28 47.11 +26 44 51.7 q 246
2015-12-10 19:07:39 C 04 28 47.07 +26 44 53.7 q 246
2015-12-10 19:08:09 C 04 28 47.05 +26 44 59.9 q 246
2015-12-10 20:06:58 C 04 28 49.97 +26 56 52.5 t 511
2015-12-10 20:07:31 C 04 28 49.98 +26 56 59.0 t 511
2015-12-10 20:08:05 C 04 28 49.94 +26 57 06.0 t 511
2015-12-10 20:08:38 C 04 28 49.92 +26 57 12.6 t 511
2015-12-10 20:09:10 C 04 28 49.88 +26 57 17.5 t 511
2015-12-10 20:09:44 C 04 28 49.88 +26 57 25.3 t 511
2015-12-10 20:10:17 C 04 28 49.86 +26 57 32.0 t 511
2015-12-10 20:10:50 C 04 28 49.82 +26 57 38.5 t 511
2015-12-10 20:11:56 C 04 28 49.78 +26 57 52.2 t 511
2015-12-10 20:12:29 C 04 28 49.77 +26 57 58.2 t 511
2015-12-10 20:13:03 C 04 28 49.74 +26 58 04.9 t 511
2015-12-10 20:14:42 C 04 28 49.66 +26 58 24.5 t 511
2015-12-10 20:15:15 C 04 28 49.63 +26 58 30.6 t 511
2015-12-10 20:15:49 C 04 28 49.62 +26 58 37.6 t 511
2015-12-10 20:16:22 C 04 28 49.61 +26 58 44.1 t 511
2015-12-10 20:16:54 C 04 28 49.58 +26 58 51.0 t 511
2015-12-10 20:17:28 C 04 28 49.56 +26 58 57.3 t 511
2015-12-10 20:18:42 C 04 28 49.52 +26 59 11.3 t 511
2015-12-10 20:19:15 C 04 28 49.48 +26 59 18.2 t 511
2015-12-10 20:19:49 C 04 28 49.45 +26 59 25.6 t 511
2015-12-10 20:20:22 C 04 28 49.46 +26 59 31.5 t 511
2015-12-10 20:23:40 C 04 28 49.34 +27 00 10.2 t 511
2015-12-10 20:24:13 C 04 28 49.29 +27 00 17.1 t 511
2015-12-10 20:24:47 C 04 28 49.26 +27 00 23.6 t 511
2015-12-10 20:25:20 C 04 28 49.24 +27 00 30.4 t 511
2015-12-10 20:25:54 C 04 28 49.23 +27 00 37.1 t 511
2015-12-10 20:26:26 C 04 28 49.20 +27 00 44.2 t 511
2015-12-10 20:26:59 C 04 28 49.18 +27 00 49.7 t 511
2015-12-10 20:27:33 C 04 28 49.15 +27 00 56.6 t 511
2015-12-10 20:28:06 C 04 28 49.13 +27 01 03.4 t 511
2015-12-10 20:28:39 C 04 28 49.09 +27 01 10.0 t 511
2015-12-10 20:29:12 C 04 28 49.08 +27 01 16.5 t 511
2015-12-11 04:59:59 C 04 29 03.63 +28 47 05.6 u H21
2015-12-11 05:01:56 C 04 29 03.45 +28 47 31.5 u H21
2015-12-11 05:03:54 C 04 29 03.32 +28 47 57.5 u H21
2015-12-11 05:05:51 C 04 29 03.15 +28 48 23.3 u H21
2015-12-11 05:07:49 C 04 29 03.00 +28 48 49.4 u H21
2015-12-11 05:09:47 C 04 29 02.84 +28 49 15.2 u H21
2015-12-11 05:11:44 C 04 29 02.67 +28 49 41.2 u H21
2015-12-11 05:13:42 C 04 29 02.54 +28 50 07.0 u H21
2015-12-11 05:15:40 C 04 29 02.38 +28 50 33.1 u H21
2015-12-11 05:17:37 C 04 29 02.24 +28 50 59.0 u H21
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)