IAA RAS IAA Minor Planet Database

2018 XC4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3106442000
Semi-major axis (a)1.2681013000 AU
Inclination (i)2.17165000°
Long. of Asc. Node (Ω)95.07371000°
Arg. of Perihelion (ω)52.41991000°
Mean Anomaly (M)272.21222000°
Mean Motion (n)0.6901971100°/day
Perihelion dist (q)0.87417300 AU
Aphelion dist (Q)1.66202960 AU
Orbital Period1.42800890 yr
Physical Parameters
H (abs. magnitude)26.30
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.380″
Uncertainty6
Orbit TypeApollo
MOID0.003652 AU
Observations Used67
Radar Obs Used1
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2018-12-19
Observations (67)
Date Type RA Dec Mag Band Observatory
2018-12-13 08:26:45 C 05 04 51.10 +09 03 18.8 – V G96
2018-12-13 08:34:03 C 05 04 51.23 +09 03 06.6 – V G96
2018-12-13 08:41:21 C 05 04 51.36 +09 02 53.4 – V G96
2018-12-13 08:48:38 C 05 04 51.49 +09 02 39.9 – V G96
2018-12-13 10:40:48 C 05 04 54.69 +08 59 24.2 – V I52
2018-12-13 10:42:23 C 05 04 54.74 +08 59 21.3 – V I52
2018-12-13 10:43:59 C 05 04 54.79 +08 59 17.5 – V I52
2018-12-13 10:45:36 C 05 04 54.87 +08 59 15.4 – V I52
2018-12-13 11:21:58 C 05 04 56.49 +08 58 09.2 – V I52
2018-12-13 11:23:34 C 05 04 56.51 +08 58 06.9 – V I52
2018-12-13 11:25:09 C 05 04 56.64 +08 58 03.9 – V I52
2018-12-13 12:14:50 C 05 05 04.551 +08 57 39.56 – U F51
2018-12-13 12:31:33 C 05 05 04.892 +08 57 09.47 – U F51
2018-12-13 12:48:18 C 05 05 05.286 +08 56 39.22 – U F51
2018-12-14 00:32:39 C 05 06 09.93 +08 33 30.5 – V J95
2018-12-14 00:41:30 C 05 06 10.27 +08 33 13.0 – V J95
2018-12-14 00:51:03 C 05 06 10.69 +08 32 53.9 – V J95
2018-12-14 01:00:00 C 05 06 11.01 +08 32 36.0 – V J95
2018-12-14 03:28:19 C 05 06 39.46 +08 28 45.6 – V I52
2018-12-14 03:31:33 C 05 06 39.65 +08 28 40.4 – V I52
2018-12-14 03:33:40 C 05 06 39.78 +08 28 35.0 – V I52
2018-12-14 03:38:35 C 05 06 40.02 +08 28 26.0 – V I52
2018-12-14 16:09:27 C 05 07 34.76 +08 01 49.0 – r P93
2018-12-14 16:20:05 C 05 07 35.24 +08 01 23.3 – r P93
2018-12-14 16:30:44 C 05 07 35.64 +08 00 58.6 – r P93
2018-12-14 23:34:32 C 05 08 27.26 +07 43 31.8 – V C95
2018-12-14 23:37:07 C 05 08 26.67 +07 43 16.3 – V K38
2018-12-14 23:43:47 C 05 08 27.73 +07 43 08.9 – V C95
2018-12-14 23:53:02 C 05 08 28.22 +07 42 46.0 – V C95
2018-12-15 00:03:00 C 05 08 28.09 +07 42 12.0 – V K38
2018-12-15 00:15:50 C 05 08 28.85 +07 41 39.2 – V 204
2018-12-15 00:30:12 C 05 08 29.67 +07 41 02.4 – V 204
2018-12-15 00:32:17 C 05 08 29.76 +07 40 57.1 – V K38
2018-12-15 00:36:36 C 05 08 29.94 +07 40 47.3 – V 203
2018-12-15 00:45:32 C 05 08 30.59 +07 40 23.0 – V 204
2018-12-15 00:56:32 C 05 08 31.21 +07 39 54.5 – V K38
2018-12-15 00:57:15 C 05 08 31.18 +07 39 53.5 – V 203
2018-12-15 01:18:40 C 05 08 32.51 +07 38 58.7 – V 203
2018-12-15 01:21:53 C 05 08 31.79 +07 38 49.2 – V L01
2018-12-15 01:23:00 C 05 08 31.86 +07 38 46.6 – V L01
2018-12-15 01:25:14 C 05 08 32.00 +07 38 40.5 – V L01
2018-12-16 09:41:15 C 05 13 23.86 +05 59 25.6 – V T08
2018-12-16 09:53:54 C 05 13 24.91 +05 58 35.9 – V T08
2018-12-16 10:20:02 C 05 13 26.98 +05 56 52.3 – V T08
2018-12-16 12:00:27 C 05 13 35.78 +05 50 07.7 – V T08
2018-12-16 12:10:32 C 05 13 36.74 +05 49 24.5 – V T08
2018-12-16 12:35:02 C 05 13 39.27 +05 47 42.3 – V T08
2018-12-16 12:47:12 C 05 13 40.61 +05 46 52.9 – V T08
2018-12-16 12:59:36 C 05 13 42.09 +05 46 00.2 – V T08
2018-12-16 13:11:57 C 05 13 43.49 +05 45 06.7 – V T08
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2018-12-18 04:24:00 117550.9442 0.5 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)