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
2015-12-09 08:10:49 C 04 26 56.33 +21 44 22.6 q V37
2015-12-09 08:12:12 C 04 26 56.23 +21 44 31.6 q V37
2015-12-09 08:13:43 C 04 26 56.14 +21 44 41.4 q V37
2015-12-09 08:15:28 C 04 26 56.02 +21 44 52.5 q V37
2015-12-09 08:18:10 C 04 26 55.83 +21 45 09.9 q V37
2015-12-09 08:19:08 C 04 26 55.77 +21 45 16.3 q V37
2015-12-09 20:26:32 C 04 27 44.53 +23 12 15.3 t 511
2015-12-09 20:27:05 C 04 27 44.52 +23 12 19.7 t 511
2015-12-09 20:27:38 C 04 27 44.48 +23 12 24.1 t 511
2015-12-09 20:28:11 C 04 27 44.46 +23 12 28.6 t 511
2015-12-09 20:28:45 C 04 27 44.42 +23 12 33.8 t 511
2015-12-09 20:29:17 C 04 27 44.42 +23 12 37.9 t 511
2015-12-09 20:29:50 C 04 27 44.39 +23 12 42.4 t 511
2015-12-09 20:30:24 C 04 27 44.37 +23 12 47.0 t 511
2015-12-09 20:30:57 C 04 27 44.34 +23 12 51.7 t 511
2015-12-09 20:31:30 C 04 27 44.32 +23 12 56.1 t 511
2015-12-09 20:32:27 C 04 27 44.28 +23 13 03.8 t 511
2015-12-09 20:32:59 C 04 27 44.24 +23 13 08.7 t 511
2015-12-09 20:33:32 C 04 27 44.22 +23 13 13.2 t 511
2015-12-09 20:35:12 C 04 27 44.14 +23 13 26.9 t 511
2015-12-09 20:35:45 C 04 27 44.12 +23 13 30.7 t 511
2015-12-09 20:36:18 C 04 27 44.09 +23 13 35.9 t 511
2015-12-09 20:36:52 C 04 27 44.06 +23 13 40.2 t 511
2015-12-09 20:37:25 C 04 27 44.02 +23 13 45.2 t 511
2015-12-09 21:46:27 C 04 27 40.28 +23 23 13.5 t 511
2015-12-09 21:47:00 C 04 27 40.25 +23 23 18.4 t 511
2015-12-09 21:47:32 C 04 27 40.23 +23 23 22.9 t 511
2015-12-09 21:49:12 C 04 27 40.12 +23 23 36.4 t 511
2015-12-09 21:49:45 C 04 27 40.08 +23 23 40.9 t 511
2015-12-09 21:50:18 C 04 27 40.04 +23 23 45.7 t 511
2015-12-09 21:50:52 C 04 27 40.01 +23 23 49.9 t 511
2015-12-09 21:51:25 C 04 27 40.00 +23 23 54.6 t 511
2015-12-10 01:57:44 C 04 27 25.38 +23 57 11.8 q 204
2015-12-10 02:09:57 C 04 27 25.05 +23 58 51.3 q 204
2015-12-10 02:18:37 C 04 27 24.83 +24 00 02.0 q 204
2015-12-10 06:43:37 C 04 27 43.10 +24 40 53.4 u H21
2015-12-10 06:46:44 C 04 27 42.90 +24 41 21.0 u H21
2015-12-10 06:49:50 C 04 27 42.69 +24 41 48.8 u H21
2015-12-10 06:50:52 C 04 27 42.63 +24 41 58.1 u H21
2015-12-10 06:52:56 C 04 27 42.50 +24 42 16.6 u H21
2015-12-10 06:55:00 C 04 27 42.35 +24 42 35.2 u H21
2015-12-10 06:56:58 C 04 27 42.22 +24 42 52.8 u H21
2015-12-10 06:59:12 C 04 27 42.08 +24 43 12.7 u H21
2015-12-10 07:50:59 C 04 28 11.59 +24 53 46.1 18.0 t F65
2015-12-10 07:53:54 C 04 28 11.35 +24 54 15.0 18.2 t F65
2015-12-10 07:56:14 C 04 28 11.14 +24 54 37.4 18.3 t F65
2015-12-10 08:00:19 C 04 28 10.80 +24 55 17.2 18.3 t F65
2015-12-10 08:02:43 C 04 28 10.59 +24 55 40.6 18.5 t F65
2015-12-10 08:05:38 C 04 28 10.34 +24 56 09.0 18.3 t F65
2015-12-10 08:09:43 C 04 28 09.99 +24 56 48.9 18.4 t F65
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)