2018 HG2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3295878510 ± 1.05e-07
Semi-major axis (a)1.1949905204 AU ± 3.60e-08
Inclination (i)14.28926959° ± 1.04e-05
Long. of Asc. Node (Ω)206.36496127° ± 5.98e-06
Arg. of Perihelion (ω)268.72297028° ± 1.32e-05
Mean Anomaly (M)351.77589256° ± 5.91e-05
Mean Motion (n)0.7545110177°/day ± 3.41e-08
Perihelion dist (q)0.80113616 AU ± 1.28e-07
Aphelion dist (Q)1.58884488 AU ± 1.34e-07
Orbital Period1.30631132 yr ± 5.90e-08
NGA Modelr2
A2-4.90874268e-13 ± 5.22e-14 AU/d²
Physical Parameters
H (abs. magnitude)24.26
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.286″
Uncertainty0
Orbit TypeApollo
MOID0.037054 AU
Observations Used56
Oppositions5
Arc Total2001-2021
First Observation Used2001-04-15
Last Observation Used2021-10-24
Observations (59)
Date Type RA Dec Mag Band Observatory
2001-04-15 08:07:37 C 11 25 22.99 -09 23 39.7 V 608
2001-04-15 08:23:45 C 11 25 32.11 -09 21 13.2 V 608
2001-04-18 06:36:18 C 11 59 30.11 -00 40 14.3 V 608
2001-04-18 06:51:40 C 11 59 35.67 -00 38 42.7 V 608
2001-04-18 07:07:07 C 11 59 41.17 -00 37 11.1 V 608
2018-04-12 13:06:46 C 16 44 09.298 -21 28 08.65 U F51
2018-04-12 13:22:41 C 16 44 04.403 -21 26 34.47 U F51
2018-04-12 13:38:35 C 16 43 59.572 -21 25 00.87 U F51
2018-04-12 13:54:30 C 16 43 54.757 -21 23 27.19 U F51
2018-04-23 08:56:14 C 15 48 02.69 -01 06 26.2 U G96
2018-04-23 09:03:39 C 15 48 01.34 -01 06 00.8 U G96
2018-04-23 09:11:04 C 15 48 00.02 -01 05 36.0 U G96
2018-04-23 09:18:30 C 15 47 58.68 -01 05 10.2 U G96
2018-04-23 09:40:39 C 15 47 54.53 -01 03 56.3 U H01
2018-04-23 09:50:12 C 15 47 52.83 -01 03 23.8 U H01
2018-04-23 10:00:58 C 15 47 50.92 -01 02 47.2 U H01
2018-04-23 10:13:48 C 15 47 48.65 -01 02 03.6 U H01
2018-04-23 10:38:21 C 15 47 44.48 -01 00 39.0 U I52
2018-04-23 10:43:07 C 15 47 43.66 -01 00 22.9 U I52
2018-04-23 10:47:54 C 15 47 42.80 -01 00 06.9 U I52
2018-04-23 10:52:40 C 15 47 41.95 -00 59 50.3 U I52
2018-04-23 11:32:55 C 15 47 34.90 -00 57 34.1 U G96
2018-04-23 11:34:00 C 15 47 34.72 -00 57 30.1 U G96
2018-04-23 11:35:06 C 15 47 34.49 -00 57 26.8 U G96
2018-04-23 11:36:10 C 15 47 34.24 -00 57 23.0 U G96
2018-04-24 08:12:59 C 15 44 19.50 +00 10 16.8 U H01
2018-04-24 08:21:24 C 15 44 18.05 +00 10 43.5 U H01
2018-04-24 08:34:43 C 15 44 15.78 +00 11 26.0 U H01
2018-04-24 08:36:42 C 15 44 14.85 +00 11 29.2 q 734
2018-04-24 08:42:19 C 15 44 14.49 +00 11 50.2 U H01
2018-04-24 09:24:27 C 15 44 06.78 +00 14 00.1 q 734
2018-04-24 09:38:26 C 15 44 04.38 +00 14 45.7 q 734
2018-04-25 10:50:26 C 15 40 14.07 +01 32 03.0 U I52
2018-04-25 10:59:58 C 15 40 12.53 +01 32 31.5 U I52
2018-04-25 11:04:46 C 15 40 11.78 +01 32 45.7 U I52
2018-05-06 05:22:34 C 15 10 07.94 +10 16 40.3 u H21
2018-05-06 05:42:49 C 15 10 05.94 +10 17 06.3 u H21
2018-05-06 05:55:01 C 15 10 04.73 +10 17 22.2 u H21
2018-05-07 05:42:09 C 15 08 00.47 +10 46 24.4 u H21
2018-05-07 06:07:19 C 15 07 58.09 +10 46 53.6 u H21
2018-05-07 06:43:53 C 15 07 54.66 +10 47 36.1 u H21
2018-05-14 04:47:27 C 14 56 06.14 +13 08 24.8 u H21
2018-05-14 05:19:21 C 14 56 04.00 +13 08 44.0 u H21
2018-05-14 05:48:20 C 14 56 02.12 +13 08 59.8 u H21
2021-09-29 07:48:34 C 23 59 42.161 +30 59 38.43 V F52
2021-09-29 08:05:54 C 23 59 40.635 +30 59 17.80 V F52
2021-09-29 08:23:16 C 23 59 39.091 +30 58 56.63 V F52
2021-09-29 08:40:33 C 23 59 37.561 +30 58 35.46 V F52
2021-10-01 06:58:01 C 23 55 55.980 +29 55 09.76 V F51
2021-10-01 07:16:39 C 23 55 54.230 +29 54 42.57 V F51