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
2015-12-11 05:19:35 C 04 29 02.07 +28 51 24.7 u H21
2015-12-11 05:21:38 C 04 29 01.91 +28 51 51.8 u H21
2015-12-11 08:03:40 C 04 29 01.26 +29 29 40.4 u 926
2015-12-11 08:06:00 C 04 29 01.05 +29 30 12.0 u 926
2015-12-12 06:55:20 C 04 31 16.24 +36 08 26.4 t 705
2015-12-12 06:56:47 C 04 31 16.16 +36 08 57.0 t 705
2015-12-12 06:58:13 C 04 31 16.00 +36 09 15.9 t 705
2015-12-13 04:20:14 C 04 36 11.77 +45 59 05.3 u 926
2015-12-13 04:22:35 C 04 36 11.81 +46 00 31.1 u 926
2015-12-13 04:24:56 C 04 36 11.90 +46 01 56.4 u 926
2015-12-13 07:02:35 C 04 36 09.65 +47 37 59.2 u 926
2015-12-13 07:04:56 C 04 36 09.57 +47 39 25.7 u 926
2015-12-13 07:07:19 C 04 36 09.54 +47 40 52.8 u 926
2015-12-13 10:29:04 C 04 36 17.77 +49 46 05.5 u 926
2015-12-13 10:31:26 C 04 36 18.15 +49 47 34.6 u 926
2015-12-13 10:33:48 C 04 36 18.56 +49 49 04.0 u 926
2015-12-14 07:10:51 C 04 53 55.40 +67 35 41.7 u 926
2015-12-14 07:13:05 C 04 53 57.46 +67 38 02.3 u 926
2015-12-14 07:15:19 C 04 53 59.45 +67 40 22.3 u 926
2015-12-15 11:45:02 C 15 32 36.00 +75 37 43.0 u 926
2015-12-15 11:47:17 C 15 32 46.07 +75 34 58.0 u 926
2015-12-15 11:49:32 C 15 32 56.20 +75 32 13.2 u 926
2015-12-15 11:51:49 C 15 33 06.22 +75 29 27.7 u 926
2015-12-15 11:54:04 C 15 33 16.22 +75 26 42.0 u 926
2015-12-15 11:56:19 C 15 33 25.99 +75 23 57.1 u 926
2015-12-15 11:58:36 C 15 33 35.65 +75 21 11.6 u 926
2015-12-15 12:00:50 C 15 33 45.40 +75 18 26.5 u 926
2015-12-15 12:03:06 C 15 33 54.79 +75 15 41.6 u 926
2015-12-15 12:53:15 C 15 37 04.97 +74 14 34.6 u 926
2015-12-15 12:57:46 C 15 37 20.15 +74 09 04.1 u 926
2015-12-15 13:00:02 C 15 37 27.80 +74 06 18.1 u 926
2015-12-15 13:02:17 C 15 37 35.13 +74 03 32.9 u 926
2015-12-15 13:04:33 C 15 37 42.56 +74 00 47.5 u 926
2015-12-15 13:06:48 C 15 37 49.85 +73 58 02.2 u 926
2015-12-15 13:09:03 C 15 37 57.10 +73 55 17.1 u 926
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)