2017 HY4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2217354000
Semi-major axis (a)1.3512026000 AU
Inclination (i)9.39558000°
Long. of Asc. Node (Ω)212.25891000°
Arg. of Perihelion (ω)351.80127000°
Mean Anomaly (M)171.92792000°
Mean Motion (n)0.6275139200°/day
Perihelion dist (q)1.05159320 AU
Aphelion dist (Q)1.65081200 AU
Orbital Period1.57065470 yr
Physical Parameters
H (abs. magnitude)25.50
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.340″
Uncertainty6
Orbit TypeAmor
MOID0.047817 AU
Observations Used58
Oppositions1
Arc Total
First Observation Used
Last Observation Used2017-05-21
Observations (58)
Date Type RA Dec Mag Band Observatory
2017-04-26 10:37:02 C 14 40 18.662 -01 22 21.70 L F51
2017-04-26 10:55:03 C 14 40 24.372 -01 20 22.82 L F51
2017-04-26 11:13:00 C 14 40 30.058 -01 18 24.45 L F51
2017-04-26 11:30:52 C 14 40 35.724 -01 16 26.58 L F51
2017-04-26 23:24:57 C 14 44 56.24 +00 00 04.3 q I93
2017-04-26 23:41:24 C 14 45 01.52 +00 01 50.2 q I93
2017-04-26 23:57:50 C 14 45 06.78 +00 03 35.9 q I93
2017-04-27 00:05:48 C 14 45 07.72 +00 04 14.2 S 033
2017-04-27 00:09:06 C 14 45 08.80 +00 04 35.3 S 033
2017-04-27 00:12:24 C 14 45 09.85 +00 04 56.3 S 033
2017-04-27 01:19:30 C 14 45 31.59 +00 12 06.4 S 033
2017-04-27 01:22:48 C 14 45 32.65 +00 12 27.3 S 033
2017-04-27 01:26:06 C 14 45 33.73 +00 12 48.3 S 033
2017-04-27 04:31:39 C 14 46 43.89 +00 36 09.3 u 807
2017-04-27 04:34:52 C 14 46 44.89 +00 36 30.0 u 807
2017-04-27 04:38:08 C 14 46 45.92 +00 36 50.6 u 807
2017-04-27 05:52:41 C 14 47 15.50 +00 41 49.6 o 291
2017-04-27 05:56:11 C 14 47 16.59 +00 42 11.8 o 291
2017-04-27 05:59:43 C 14 47 17.71 +00 42 34.3 o 291
2017-04-27 08:44:59 C 14 48 08.49 +00 59 57.1 q I52
2017-04-27 08:46:05 C 14 48 08.84 +01 00 04.0 q I52
2017-04-27 08:51:19 C 14 48 10.43 +01 00 36.6 q I52
2017-04-27 08:52:24 C 14 48 10.77 +01 00 43.7 q I52
2017-04-28 05:51:15 C 14 55 21.76 +03 09 15.5 q W25
2017-04-28 06:03:55 C 14 55 25.45 +03 10 31.4 q W25
2017-04-28 21:34:15 C 15 00 32.97 +04 41 02.5 t 104
2017-04-28 21:53:36 C 15 00 38.62 +04 42 53.8 t 104
2017-04-28 22:22:54 C 15 00 47.08 +04 45 42.1 t 104
2017-04-28 22:57:55 C 15 00 57.36 +04 48 58.7 U 204
2017-04-28 23:28:23 C 15 01 06.10 +04 51 52.4 U 204
2017-04-28 23:41:43 C 15 01 11.29 +04 53 12.7 U 958
2017-04-29 00:00:09 C 15 01 16.55 +04 54 58.2 U 958
2017-04-29 00:18:46 C 15 01 21.82 +04 56 44.3 U 958
2017-04-29 01:32:44 C 15 01 43.13 +05 03 26.7 q J95
2017-04-29 01:39:04 C 15 01 44.96 +05 04 03.2 q J95
2017-04-29 01:48:20 C 15 01 47.66 +05 04 54.6 q J95
2017-04-30 11:14:53 C 15 11 55.33 +08 05 43.6 o 291
2017-04-30 11:18:52 C 15 11 56.39 +08 06 03.7 o 291
2017-04-30 11:22:51 C 15 11 57.38 +08 06 24.5 o 291
2017-05-02 06:20:04 C 15 24 04.67 +11 31 06.7 q I52
2017-05-02 06:22:10 C 15 24 05.12 +11 31 16.4 q I52
2017-05-02 06:24:15 C 15 24 05.56 +11 31 24.7 q I52
2017-05-02 06:26:21 C 15 24 06.10 +11 31 34.9 q I52
2017-05-03 06:31:35 C 15 30 15.12 +13 13 39.4 q G96
2017-05-03 06:37:32 C 15 30 16.45 +13 14 03.7 q G96
2017-05-03 06:43:47 C 15 30 17.79 +13 14 28.8 q G96
2017-05-03 06:49:47 C 15 30 19.05 +13 14 54.5 q G96
2017-05-03 06:59:12 C 15 30 21.09 +13 15 32.5 q I52
2017-05-03 07:01:18 C 15 30 21.54 +13 15 40.5 q I52
2017-05-03 07:03:24 C 15 30 22.01 +13 15 49.5 q I52