2018 FH1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1770801629 ± 1.02e-06
Semi-major axis (a)0.9381142742 AU ± 7.76e-07
Inclination (i)3.54619918° ± 3.54e-05
Long. of Asc. Node (Ω)181.36627102° ± 1.88e-05
Arg. of Perihelion (ω)232.98376371° ± 2.52e-04
Mean Anomaly (M)266.31499498° ± 4.03e-03
Mean Motion (n)1.0847475050°/day ± 1.35e-06
Perihelion dist (q)0.77199285 AU ± 1.15e-06
Aphelion dist (Q)1.10423570 AU ± 1.33e-06
Orbital Period0.90862277 yr ± 1.13e-06
Physical Parameters
H (abs. magnitude)26.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.559″
Uncertainty1
Orbit TypeAten
MOID0.007897 AU
Observations Used43
Radar Obs Used2
Oppositions1
Arc Total2018-2018
First Observation Used2018-03-18
Last Observation Used2018-03-22
Observations (45)
Date Type RA Dec Mag Band Observatory
2018-03-18 12:36:20 C 10 51 10.00 -14 44 34.9 m Q66
2018-03-18 12:38:20 C 10 51 09.86 -14 43 51.1 m Q66
2018-03-18 15:26:16 C 10 50 52.67 -13 42 33.3 m Q66
2018-03-18 15:28:16 C 10 50 52.37 -13 41 49.5 m Q66
2018-03-19 11:21:21 C 10 52 01.86 -07 37 58.9 U T08
2018-03-19 11:36:32 C 10 52 00.45 -07 33 47.4 U T08
2018-03-19 11:51:06 C 10 51 59.18 -07 29 47.2 U T08
2018-03-19 12:06:34 C 10 51 57.99 -07 25 31.9 U T08
2018-03-19 19:42:25 C 10 53 01.48 -05 31 38.3 U J95
2018-03-19 19:47:17 C 10 53 01.35 -05 30 26.4 U J95
2018-03-19 20:02:17 C 10 53 00.95 -05 26 46.8 U J95
2018-03-19 20:08:09 C 10 53 00.83 -05 25 22.3 U J95
2018-03-19 21:07:51 C 10 52 53.60 -05 10 26.3 q 595
2018-03-19 21:09:50 C 10 52 53.46 -05 09 58.1 q 595
2018-03-19 21:46:08 C 10 52 50.85 -05 01 41.2 q 113
2018-03-19 21:51:08 C 10 52 50.65 -05 00 28.6 q 113
2018-03-19 21:56:05 C 10 52 50.21 -04 59 17.9 q 113
2018-03-20 04:07:55 C 10 53 18.87 -03 31 35.3 v H06
2018-03-20 04:09:52 C 10 53 18.72 -03 31 09.8 v H06
2018-03-20 04:11:48 C 10 53 18.54 -03 30 44.5 v H06
2018-03-20 05:52:48 C 10 53 12.53 -03 08 34.1 U G96
2018-03-20 06:00:13 C 10 53 11.85 -03 06 58.1 U G96
2018-03-20 06:07:38 C 10 53 11.17 -03 05 22.1 U G96
2018-03-20 06:15:03 C 10 53 10.49 -03 03 45.8 U G96
2018-03-20 06:38:38 C 10 53 08.30 -02 58 41.3 U 703
2018-03-20 06:46:47 C 10 53 07.53 -02 56 55.2 U 703
2018-03-20 06:54:59 C 10 53 06.81 -02 55 10.3 U 703
2018-03-20 07:03:09 C 10 53 06.09 -02 53 24.6 U 703
2018-03-21 02:56:05 C 10 54 14.43 +00 53 54.3 U I52
2018-03-21 02:56:21 C 10 54 14.42 +00 53 57.1 U I52
2018-03-21 02:56:36 C 10 54 14.42 +00 53 59.4 U I52
2018-03-21 02:56:52 C 10 54 14.40 +00 54 02.4 U I52
2018-03-21 19:11:04 C 10 54 36.94 +03 23 27.0 q 246
2018-03-21 19:12:02 C 10 54 36.79 +03 23 35.0 q 246
2018-03-21 19:13:04 C 10 54 36.79 +03 23 44.7 q 246
2018-03-21 19:13:16 C 10 54 36.79 +03 23 46.1 q 246
2018-03-21 19:13:44 C 10 54 36.73 +03 23 51.0 q 246
2018-03-21 19:13:57 C 10 54 36.83 +03 23 53.0 q 246
2018-03-21 20:23:28 C 10 54 34.03 +03 33 34.6 q 113
2018-03-21 20:27:42 C 10 54 33.86 +03 34 09.8 q 113
2018-03-21 20:31:55 C 10 54 33.69 +03 34 45.3 q 113
2018-03-22 03:25:53 C 10 54 54.47 +04 32 16.0 U I52
2018-03-22 03:26:12 C 10 54 54.42 +04 32 18.1 U I52
2018-03-22 03:26:28 C 10 54 54.43 +04 32 20.2 U I52
2018-03-22 03:26:43 C 10 54 54.41 +04 32 22.4 U I52
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2018-03-23 02:46:00 -72650.4741 0.5 Hz 2380 -1 -1
2018-03-23 03:33:00 23952343.75 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)