2017 HG4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1840612632 ± 6.89e-08
Semi-major axis (a)0.8660106786 AU ± 6.55e-08
Inclination (i)2.99538903° ± 6.82e-06
Long. of Asc. Node (Ω)209.98176468° ± 6.44e-05
Arg. of Perihelion (ω)205.66851066° ± 6.06e-05
Mean Anomaly (M)32.71715101° ± 8.84e-05
Mean Motion (n)1.2230026703°/day ± 1.39e-07
Perihelion dist (q)0.70661166 AU ± 8.01e-08
Aphelion dist (Q)1.02540970 AU ± 9.78e-08
Orbital Period0.80590689 yr ± 9.14e-08
Physical Parameters
H (abs. magnitude)27.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.257″
Uncertainty0
Orbit TypeAten
MOID0.001064 AU
Observations Used36
Oppositions1
Arc Total2017-2021
First Observation Used2017-04-26
Last Observation Used2021-05-15
Observations (38)
Date Type RA Dec Mag Band Observatory
2017-04-26 06:18:19 C 10 50 15.103 +38 38 22.60 L F51
2017-04-26 06:33:39 C 10 50 15.416 +38 37 04.48 L F51
2017-04-26 06:49:05 C 10 50 15.696 +38 35 43.17 L F51
2017-04-26 07:04:25 C 10 50 15.950 +38 34 20.14 L F51
2017-04-27 04:28:23 C 10 56 33.47 +36 54 56.2 q G96
2017-04-27 04:28:57 C 10 56 33.46 +36 54 53.7 q G96
2017-04-27 04:29:33 C 10 56 33.50 +36 54 51.9 q G96
2017-04-27 04:30:07 C 10 56 33.45 +36 54 49.2 q G96
2017-04-27 06:31:28 C 10 56 34.84 +36 45 58.5 q G96
2017-04-27 06:36:29 C 10 56 35.07 +36 45 34.2 q G96
2017-04-27 06:38:07 C 10 56 35.16 +36 45 26.5 q G96
2017-04-27 06:43:09 C 10 56 35.49 +36 45 01.9 q G96
2017-04-27 07:07:59 C 10 56 36.86 +36 43 02.7 q G96
2017-04-27 07:09:16 C 10 56 36.97 +36 42 56.6 q G96
2017-04-27 07:10:32 C 10 56 37.05 +36 42 50.0 q G96
2017-04-27 07:11:49 C 10 56 37.15 +36 42 44.2 q G96
2017-04-27 07:13:07 C 10 56 37.29 +36 42 37.6 q G96
2017-04-27 07:13:42 C 10 56 37.32 +36 42 34.4 q G96
2017-04-27 07:14:51 C 10 56 37.36 +36 42 28.5 q G96
2017-04-27 21:23:41 C 11 00 07.97 +35 56 18.9 q I93
2017-04-27 21:34:10 C 11 00 08.00 +35 55 45.6 q I93
2017-04-27 21:44:39 C 11 00 08.11 +35 55 11.9 q I93
2017-04-28 01:48:59 C 11 01 12.11 +35 44 52.8 u H21
2017-04-28 01:59:52 C 11 01 11.91 +35 44 25.6 u H21
2017-04-28 02:11:52 C 11 01 11.60 +35 43 54.5 u H21
2017-04-29 05:36:12 C 11 05 24.678 +34 43 10.40 U T12
2017-04-29 05:37:30 C 11 05 24.591 +34 43 08.44 U T12
2017-05-02 08:52:45 C 11 11 24.22 +32 51 56.3 o 291
2017-05-02 08:59:00 C 11 11 24.48 +32 51 45.6 o 291
2017-05-02 09:05:13 C 11 11 24.73 +32 51 34.1 o 291
2017-05-03 08:25:17 C 11 12 54.16 +32 29 57.8 o 291
2017-05-03 08:41:40 C 11 12 54.57 +32 29 32.0 o 291
2017-05-27 23:33:10 C 11 31 23.606 +28 38 51.07 U 309
2017-05-27 23:38:39 C 11 31 23.535 +28 38 49.75 U 309
2021-05-14 05:59:09 C 10 41 17.359 +24 33 41.96 V T14
2021-05-14 06:07:54 C 10 41 18.203 +24 33 39.96 V T14
2021-05-14 06:16:40 C 10 41 19.055 +24 33 37.80 V T14
2021-05-15 07:10:58 C 10 44 34.869 +24 28 20.95 V T12