2018 XH1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4459444000 ± 2.00e+00
Semi-major axis (a)1.7817173000 AU ± 3.00e+00
Inclination (i)4.76001000° ± 4.00e+00
Long. of Asc. Node (Ω)67.54595000° ± 5.00e+00
Arg. of Perihelion (ω)34.71128000° ± 6.00e+00
Mean Anomaly (M)322.54783000° ± 6.14e+00
Mean Motion (n)0.4144249355°/day ± 1.05e+00
Perihelion dist (q)0.98717040 AU ± 3.93e+00
Aphelion dist (Q)2.57626420 AU ± 5.61e+00
Orbital Period2.37825380 yr ± 6.01e+00
Physical Parameters
H (abs. magnitude)25.80
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual—″
Uncertainty4
Orbit TypeApollo
MOID0.029392 AU
Observations Used42
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-12-11
Observations (42)
Date Type RA Dec Mag Band Observatory
2018-12-09 03:10:17 C 03 00 52.27 +35 31 31.8 V G96
2018-12-09 03:18:25 C 03 00 53.35 +35 32 58.8 V G96
2018-12-09 03:26:31 C 03 00 54.42 +35 34 23.7 V G96
2018-12-09 03:34:38 C 03 00 55.47 +35 35 50.4 V G96
2018-12-09 04:33:21 C 03 01 02.00 +35 46 03.1 V H01
2018-12-09 04:39:40 C 03 01 02.81 +35 47 09.1 V H01
2018-12-09 04:56:45 C 03 01 04.99 +35 50 07.7 V H01
2018-12-09 05:03:43 C 03 01 05.88 +35 51 20.5 V H01
2018-12-09 05:09:38 C 03 01 07.59 +35 52 28.2 V I52
2018-12-09 05:10:56 C 03 01 07.76 +35 52 41.9 V I52
2018-12-09 05:12:14 C 03 01 07.91 +35 52 55.6 V I52
2018-12-09 05:13:31 C 03 01 08.09 +35 53 09.1 V I52
2018-12-09 06:49:33 C 03 01 20.56 +36 09 47.8 V I52
2018-12-09 06:52:09 C 03 01 20.91 +36 10 15.0 V I52
2018-12-09 06:53:27 C 03 01 21.08 +36 10 28.3 V I52
2018-12-09 18:12:48 C 03 03 59.92 +38 12 32.0 V L01
2018-12-09 18:29:07 C 03 04 02.80 +38 15 38.8 V L01
2018-12-09 18:32:49 C 03 04 03.48 +38 16 21.8 V L01
2018-12-10 00:16:24 C 03 05 08.28 +39 21 10.9 V J95
2018-12-10 00:24:51 C 03 05 09.91 +39 22 47.0 V J95
2018-12-10 00:35:55 C 03 05 12.09 +39 24 52.7 V J95
2018-12-10 00:54:40 C 03 05 13.87 +39 28 09.5 S 033
2018-12-10 00:56:09 C 03 05 14.18 +39 28 25.9 S 033
2018-12-10 00:57:37 C 03 05 14.50 +39 28 42.6 S 033
2018-12-10 02:04:21 C 03 05 54.41 +39 42 57.8 V I52
2018-12-10 02:05:09 C 03 05 54.57 +39 43 07.4 V I52
2018-12-10 02:05:59 C 03 05 54.75 +39 43 17.5 V I52
2018-12-10 02:08:44 C 03 05 55.28 +39 43 51.1 V I52
2018-12-10 04:33:33 C 03 06 15.42 +40 12 19.0 u H21
2018-12-10 04:41:15 C 03 06 16.84 +40 13 48.7 u H21
2018-12-10 04:51:18 C 03 06 18.72 +40 15 46.3 u H21
2018-12-10 19:08:23 C 03 10 29.52 +43 10 22.5 20.1 V 104
2018-12-10 19:16:59 C 03 10 31.59 +43 12 13.7 19.7 V 104
2018-12-10 19:34:11 C 03 10 35.76 +43 15 56.1 19.8 V 104
2018-12-10 20:28:29 C 03 10 48.40 +43 27 28.8 V K51
2018-12-10 20:31:13 C 03 10 49.07 +43 28 04.0 V K51
2018-12-10 20:33:57 C 03 10 49.71 +43 28 39.1 V K51
2018-12-10 21:21:30 C 03 11 01.89 +43 38 50.0 V 587
2018-12-10 21:25:01 C 03 11 02.69 +43 39 34.2 V 587
2018-12-10 21:26:12 C 03 11 02.99 +43 39 49.9 V 587
2018-12-11 01:54:06 C 03 12 14.50 +44 36 24.7 V 204
2018-12-11 02:07:58 C 03 12 18.67 +44 39 19.1 V 204