2017 HZ4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2167074856 ± 3.68e-05
Semi-major axis (a)0.9103443438 AU ± 6.00e-06
Inclination (i)1.79162761° ± 2.11e-04
Long. of Asc. Node (Ω)67.48020672° ± 4.59e-03
Arg. of Perihelion (ω)312.34082733° ± 2.32e-03
Mean Anomaly (M)162.08165355° ± 1.26e-02
Mean Motion (n)1.1347592429°/day ± 1.12e-05
Perihelion dist (q)0.71306591 AU ± 3.38e-05
Aphelion dist (Q)1.10762278 AU ± 3.43e-05
Orbital Period0.86857744 yr ± 8.59e-06
Physical Parameters
H (abs. magnitude)25.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.299″
Uncertainty2
Orbit TypeAten
MOID0.000245 AU
Observations Used57
Oppositions1
Arc Total2017-2017
First Observation Used2017-04-26
Last Observation Used2017-06-18
Observations (57)
Date Type RA Dec Mag Band Observatory
2017-04-26 10:39:52 C 14 52 33.657 -04 10 27.73 L F51
2017-04-26 10:57:50 C 14 52 28.784 -04 10 08.80 L F51
2017-04-26 11:15:48 C 14 52 23.928 -04 09 50.12 L F51
2017-04-26 11:33:39 C 14 52 19.050 -04 09 31.25 L F51
2017-04-27 05:21:08 C 14 47 55.37 -03 49 09.7 u 807
2017-04-27 05:29:14 C 14 47 53.13 -03 49 00.8 u 807
2017-04-27 05:37:33 C 14 47 50.81 -03 48 51.9 u 807
2017-04-27 09:35:15 C 14 46 48.74 -03 46 20.8 o 926
2017-04-27 09:42:16 C 14 46 46.86 -03 46 12.8 o 926
2017-04-27 09:49:15 C 14 46 45.00 -03 46 05.5 o 926
2017-04-27 11:57:07 C 14 46 13.387 -03 43 29.57 U 568
2017-04-27 11:58:32 C 14 46 12.989 -03 43 28.03 U 568
2017-04-27 11:59:58 C 14 46 12.580 -03 43 26.49 U 568
2017-04-29 04:02:08 C 14 35 42.62 -02 57 35.1 u 807
2017-04-29 04:07:33 C 14 35 40.98 -02 57 28.9 u 807
2017-04-29 04:12:59 C 14 35 39.33 -02 57 22.5 u 807
2017-05-01 07:17:29 C 14 21 11.39 -02 00 06.8 o 691
2017-05-01 07:48:20 C 14 21 01.39 -01 59 30.5 o 691
2017-05-02 09:34:16 C 14 13 18.46 -01 28 50.3 o 291
2017-05-02 09:36:11 C 14 13 17.85 -01 28 47.7 o 291
2017-05-02 09:38:06 C 14 13 17.20 -01 28 45.6 o 291
2017-05-03 04:14:49 C 14 07 44.86 -01 06 23.6 o 291
2017-05-03 04:21:25 C 14 07 42.63 -01 06 15.2 o 291
2017-05-03 04:28:01 C 14 07 40.46 -01 06 07.3 o 291
2017-05-04 06:30:38 C 13 59 29.58 -00 34 35.0 o 291
2017-05-04 06:37:35 C 13 59 27.18 -00 34 26.4 o 291
2017-05-04 06:44:34 C 13 59 24.77 -00 34 18.0 o 291
2017-05-04 08:44:31 C 13 58 43.02 -00 31 53.8 t 705
2017-05-04 08:45:58 C 13 58 42.57 -00 31 52.2 t 705
2017-05-04 08:47:26 C 13 58 42.05 -00 31 50.5 t 705
2017-05-05 08:17:33 C 13 51 13.32 -00 03 15.4 o 291
2017-05-05 08:29:15 C 13 51 09.26 -00 03 00.6 o 291
2017-05-05 08:40:56 C 13 51 05.26 -00 02 46.5 o 291
2017-05-13 02:09:29 C 12 49 52.56 +03 30 10.7 u H21
2017-05-13 02:22:20 C 12 49 47.96 +03 30 24.3 u H21
2017-05-13 02:30:02 C 12 49 45.23 +03 30 32.3 u H21
2017-05-14 02:12:27 C 12 42 01.22 +03 54 31.1 u H21
2017-05-14 02:29:58 C 12 41 55.06 +03 54 48.5 u H21
2017-05-14 02:46:32 C 12 41 49.24 +03 55 04.6 u H21
2017-05-21 04:57:06 C 11 50 09.52 +06 15 02.2 o 291
2017-05-21 05:45:01 C 11 49 54.99 +06 15 32.1 o 291
2017-05-21 06:05:36 C 11 49 48.78 +06 15 44.4 o 291
2017-05-22 21:38:50 C 11 39 08.084 +06 40 05.57 U J04
2017-05-22 21:56:25 C 11 39 02.993 +06 40 15.35 U J04
2017-05-22 22:13:58 C 11 38 57.841 +06 40 25.80 U J04
2017-05-25 08:54:23 C 11 23 58.384 +07 11 21.40 U T12
2017-05-25 09:05:34 C 11 23 55.432 +07 11 26.22 U T12
2017-05-26 07:27:54 C 11 18 33.358 +07 21 45.11 U T12
2017-05-26 07:45:44 C 11 18 28.647 +07 21 52.44 U T12
2017-05-27 06:40:40 C 11 13 07.990 +07 31 39.00 U T12