IAA RAS IAA Minor Planet Database

2018 XG5

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6236662393 ± 1.06e-08
Semi-major axis (a)2.4330077173 AU ± 4.82e-08
Inclination (i)12.91903852° ± 2.55e-06
Long. of Asc. Node (Ω)215.48161226° ± 2.42e-06
Arg. of Perihelion (ω)320.63017169° ± 3.87e-06
Mean Anomaly (M)269.71717844° ± 1.90e-05
Mean Motion (n)0.2597150079°/day ± 7.72e-09
Perihelion dist (q)0.91562294 AU ± 3.16e-08
Aphelion dist (Q)3.95039249 AU ± 8.25e-08
Orbital Period3.79503014 yr ± 1.13e-07
Physical Parameters
H (abs. magnitude)20.29
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.281″
Uncertainty0
Orbit TypeApollo
MOID0.002331 AU
Observations Used439
Radar Obs Used2
Oppositions1
Arc Total2018-2023
First Observation Used2018-12-13
Last Observation Used2023-05-22
Observations (474)
Date Type RA Dec Mag Band Observatory
2019-01-09 01:45:47 C 04 04 28.42 -05 39 58.8 – o 691
2019-01-09 02:00:48 C 04 04 27.58 -05 40 05.6 – o 691
2019-01-09 07:23:03 C 04 04 09.965 -05 42 27.93 – U F51
2019-01-09 07:40:22 C 04 04 08.982 -05 42 35.45 – U F51
2019-01-09 07:57:38 C 04 04 07.953 -05 42 44.14 – U F51
2019-01-09 08:14:55 C 04 04 07.005 -05 42 50.93 – U F51
2019-01-09 21:31:28 C 04 03 25.617 -05 48 42.58 – V J04
2019-01-09 21:42:35 C 04 03 25.009 -05 48 47.29 – V J04
2019-01-09 21:53:41 C 04 03 24.401 -05 48 52.24 – V J04
2019-01-11 02:47:30 C 04 01 56.99 -06 01 04.6 – o 291
2019-01-11 02:57:15 C 04 01 56.46 -06 01 08.6 – o 291
2019-01-11 03:06:58 C 04 01 55.94 -06 01 12.6 – o 291
2019-01-11 05:39:05 C 04 01 47.87 -06 02 15.4 – V I52
2019-01-11 05:53:04 C 04 01 47.18 -06 02 20.7 – V I52
2019-01-11 05:56:40 C 04 01 47.02 -06 02 22.3 – V I52
2019-01-11 06:00:15 C 04 01 46.84 -06 02 24.0 – V I52
2019-01-11 08:20:39 C 04 01 40.040 -06 03 18.20 – V T12
2019-01-11 08:22:13 C 04 01 39.960 -06 03 18.82 – V T12
2019-01-12 04:07:06 C 04 00 43.36 -06 11 13.6 – o 291
2019-01-12 04:17:52 C 04 00 42.83 -06 11 17.9 – o 291
2019-01-12 04:28:39 C 04 00 42.29 -06 11 22.0 – o 291
2019-01-15 05:35:58 C 03 57 29.75 -06 37 51.6 – o 291
2019-01-15 05:44:18 C 03 57 29.37 -06 37 54.4 – o 291
2019-01-15 05:54:26 C 03 57 29.606 -06 37 55.37 – V T12
2019-01-15 05:55:29 C 03 57 29.559 -06 37 55.69 – V T12
2019-01-15 05:57:25 C 03 57 29.474 -06 37 56.34 – V T12
2019-01-15 05:59:53 C 03 57 28.70 -06 37 59.5 – o 291
2019-01-17 06:07:20 C 03 55 39.035 -06 53 10.98 – V T12
2019-01-17 06:10:50 C 03 55 38.886 -06 53 12.04 – V T12
2019-01-17 06:14:50 C 03 55 38.724 -06 53 13.14 – V T12
2019-01-24 04:20:15 C 03 50 59.78 -07 33 26.3 – o 291
2019-01-24 04:56:53 C 03 50 58.92 -07 33 33.7 – o 291
2019-01-24 05:31:45 C 03 50 58.10 -07 33 40.0 – o 291
2019-01-26 03:11:34 C 03 50 10.26 -07 41 35.8 – o 691
2019-01-26 03:21:16 C 03 50 10.09 -07 41 37.2 – o 691
2019-01-26 03:31:00 C 03 50 09.89 -07 41 38.9 – o 691
2019-01-27 03:13:14 C 03 49 49.70 -07 45 16.5 – V I52
2019-01-27 03:24:00 C 03 49 49.49 -07 45 18.3 – V I52
2019-01-27 03:34:25 C 03 49 49.35 -07 45 19.6 – V I52
2019-01-28 04:48:13 C 03 49 31.13 -07 48 49.6 – o 291
2019-01-28 05:28:28 C 03 49 30.59 -07 48 54.6 – o 291
2019-01-28 06:11:36 C 03 49 30.01 -07 49 00.4 – o 291
2019-02-01 03:17:24 C 03 48 56.94 -07 58 57.8 – o 691
2019-02-01 03:28:14 C 03 48 56.88 -07 58 58.6 – o 691
2019-02-01 03:38:51 C 03 48 56.82 -07 58 59.6 – o 691
2019-02-04 15:29:34 C 03 49 09.38 -08 04 25.8 – U B18
2019-02-04 15:32:41 C 03 49 09.37 -08 04 25.9 – U B18
2019-02-04 15:35:46 C 03 49 09.38 -08 04 26.0 – U B18
2019-02-04 15:38:51 C 03 49 09.38 -08 04 26.1 – U B18
2019-02-04 15:41:55 C 03 49 09.40 -08 04 26.4 – U B18
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2019-05-02 23:05:00 66568580.27 4 us 2380 -1 -1
2019-05-08 01:28:00 78530452 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)