2017 HU4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4189038539 ± 1.41e-05
Semi-major axis (a)2.1932959536 AU ± 6.06e-05
Inclination (i)5.59685538° ± 1.42e-04
Long. of Asc. Node (Ω)15.88026970° ± 2.62e-04
Arg. of Perihelion (ω)233.73438868° ± 7.02e-04
Mean Anomaly (M)218.55999754° ± 3.96e-02
Mean Motion (n)0.3034355217°/day ± 1.26e-05
Perihelion dist (q)1.27451583 AU ± 4.69e-05
Aphelion dist (Q)3.11207608 AU ± 9.14e-05
Orbital Period3.24822314 yr ± 1.35e-04
Physical Parameters
H (abs. magnitude)22.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.285″
Uncertainty2
Orbit TypeAmor
MOID0.274536 AU
Observations Used41
Oppositions1
Arc Total2017-2017
First Observation Used2017-04-25
Last Observation Used2017-06-17
Observations (42)
Date Type RA Dec Mag Band Observatory
2017-04-25 10:01:23 C 14 06 25.285 -20 49 46.87 L F51
2017-04-25 10:33:11 C 14 06 24.548 -20 50 12.59 L F51
2017-04-25 10:49:03 C 14 06 24.179 -20 50 25.30 L F51
2017-04-26 01:57:44 C 14 06 11.33 -21 02 14.5 u 807
2017-04-26 02:05:51 C 14 06 11.15 -21 02 21.3 u 807
2017-04-26 02:14:14 C 14 06 10.98 -21 02 28.4 u 807
2017-04-26 12:11:56 C 14 05 59.800 -21 10 53.54 U 568
2017-04-26 12:13:21 C 14 05 59.769 -21 10 54.65 U 568
2017-04-26 12:14:46 C 14 05 59.737 -21 10 55.82 U 568
2017-04-27 03:32:52 C 14 05 46.64 -21 23 00.6 u 807
2017-04-27 03:39:33 C 14 05 46.47 -21 23 06.3 u 807
2017-04-27 03:46:25 C 14 05 46.31 -21 23 11.8 u 807
2017-04-28 03:33:25 C 14 05 23.91 -21 42 35.8 u 807
2017-04-28 03:38:51 C 14 05 23.81 -21 42 40.3 u 807
2017-04-28 03:44:15 C 14 05 23.70 -21 42 44.9 u 807
2017-04-29 02:00:34 C 14 05 03.34 -22 00 59.1 u 807
2017-04-29 02:05:59 C 14 05 03.22 -22 01 04.0 u 807
2017-04-29 02:11:24 C 14 05 03.12 -22 01 08.7 u 807
2017-04-30 06:49:11 C 14 04 35.70 -22 25 12.6 o 691
2017-04-30 07:03:57 C 14 04 35.24 -22 25 24.4 o 691
2017-04-30 07:18:38 C 14 04 34.94 -22 25 36.5 o 691
2017-05-02 06:08:57 C 14 03 53.20 -23 04 28.8 o 691
2017-05-02 06:24:22 C 14 03 52.84 -23 04 42.2 o 691
2017-05-03 06:18:11 C 14 03 32.34 -23 24 39.0 q I52
2017-05-03 06:23:03 C 14 03 32.19 -23 24 43.2 q I52
2017-05-03 06:27:55 C 14 03 32.11 -23 24 47.8 q I52
2017-05-03 06:32:47 C 14 03 31.98 -23 24 52.5 q I52
2017-05-06 06:39:51 C 14 02 36.14 -24 25 17.3 o 695
2017-05-06 06:53:47 C 14 02 35.87 -24 25 28.7 o 695
2017-05-06 07:07:42 C 14 02 35.58 -24 25 40.4 o 695
2017-05-15 04:03:23 C 14 01 19.34 -27 23 02.3 u 807
2017-05-15 04:10:03 C 14 01 19.25 -27 23 07.6 u 807
2017-05-15 04:16:52 C 14 01 19.22 -27 23 12.9 u 807
2017-05-16 04:29:26 C 14 01 22.01 -27 43 04.6 u 807
2017-05-16 04:34:49 C 14 01 21.99 -27 43 08.9 u 807
2017-05-16 04:40:12 C 14 01 21.93 -27 43 12.8 u 807
2017-05-27 04:47:20 C 14 05 30.95 -31 09 46.0 q I52
2017-05-27 04:53:36 C 14 05 31.13 -31 09 50.5 q I52
2017-05-27 05:14:10 C 14 05 31.50 -31 10 05.4 q I52
2017-06-17 09:18:08 C 14 36 49.44 -36 19 33.4 U 474
2017-06-17 09:26:15 C 14 36 50.12 -36 19 37.7 U 474
2017-06-17 09:43:34 C 14 36 51.55 -36 19 45.7 U 474