474231 (2001 HZ7)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4984626159 ± 2.00e+00
Semi-major axis (a)1.4696083046 AU ± 3.00e+00
Inclination (i)5.42697456° ± 4.00e+00
Long. of Asc. Node (Ω)156.27379733° ± 5.00e+00
Arg. of Perihelion (ω)312.89202026° ± 6.00e+00
Mean Anomaly (M)333.66087771° ± 1.31e-05
Mean Motion (n)0.5532352960°/day ± 1.69e+00
Perihelion dist (q)0.73706350 AU ± 3.30e+00
Aphelion dist (Q)2.20215310 AU ± 5.37e+00
Orbital Period1.78156797 yr ± 5.46e+00
NGA Modelr2
A2-5.50882901e-06 AU/d²
Physical Parameters
H (abs. magnitude)20.02
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.415″
Uncertainty0
Orbit TypeApollo
MOID0.046844 AU
Observations Used276
Oppositions11
Arc Total2001-2025
First Observation Used2001-04-21
Last Observation Used2025-10-16
Observations (289)
Date Type RA Dec Mag Band Observatory
2017-04-11 22:39:05 C 10 45 42.44 +38 08 47.9 q Z80
2017-04-12 04:30:46 C 10 48 25.95 +37 43 44.4 u H21
2017-04-12 04:34:54 C 10 48 27.74 +37 43 26.8 u H21
2017-04-12 04:38:00 C 10 48 29.14 +37 43 13.3 u H21
2017-04-12 04:41:06 C 10 48 30.51 +37 43 00.0 u H21
2017-04-12 04:44:11 C 10 48 31.87 +37 42 46.5 u H21
2017-04-12 04:47:17 C 10 48 33.25 +37 42 33.4 u H21
2017-04-12 04:51:24 C 10 48 35.05 +37 42 15.4 u H21
2017-04-12 19:18:27 C 10 54 59.22 +36 41 10.0 o 107
2017-04-12 19:25:47 C 10 55 02.21 +36 40 40.4 o 107
2017-04-12 19:33:08 C 10 55 05.19 +36 40 09.7 o 107
2017-04-12 21:38:34 C 10 55 55.96 +36 31 30.8 q 160
2017-04-12 21:40:37 C 10 55 56.77 +36 31 22.7 q 160
2017-04-12 21:42:37 C 10 55 57.55 +36 31 14.6 q 160
2017-04-13 08:40:28 C 11 00 24.35 +35 46 49.9 L T08
2017-04-13 09:03:24 C 11 00 32.90 +35 45 15.9 L T08
2017-04-13 09:29:38 C 11 00 42.71 +35 43 29.5 L T08
2017-04-13 09:40:10 C 11 00 46.75 +35 42 46.9 L T08
2017-04-13 20:21:48 C 11 04 53.65 +34 59 52.2 q 160
2017-04-13 20:23:45 C 11 04 54.34 +34 59 44.6 q 160
2017-04-13 20:25:41 C 11 04 55.03 +34 59 37.0 q 160
2017-04-14 01:11:53 C 11 06 36.59 +34 40 44.7 U 204
2017-04-14 01:17:24 C 11 06 38.57 +34 40 22.8 U 204
2017-04-14 01:22:56 C 11 06 40.54 +34 40 00.9 U 204
2017-04-14 04:46:06 C 11 07 55.11 +34 27 13.2 u H21
2017-04-14 04:49:49 C 11 07 56.38 +34 26 58.8 u H21
2017-04-14 04:52:44 C 11 07 57.38 +34 26 47.4 u H21
2017-04-14 04:58:35 C 11 07 59.37 +34 26 24.6 u H21
2017-04-14 05:01:33 C 11 08 00.39 +34 26 13.1 u H21
2017-04-14 05:04:40 C 11 08 01.44 +34 26 01.1 u H21
2017-04-15 00:51:37 C 11 14 45.32 +33 11 39.7 q I15
2017-04-15 00:53:49 C 11 14 46.01 +33 11 31.2 q I15
2017-04-15 00:56:01 C 11 14 46.67 +33 11 23.6 q I15
2017-04-17 05:20:41 C 11 29 43.34 +30 11 43.2 q H15
2017-04-17 05:34:34 C 11 29 46.67 +30 10 58.8 q H15
2017-04-17 05:48:25 C 11 29 50.02 +30 10 13.7 q H15
2017-04-17 06:26:25 C 11 29 59.37 +30 08 12.6 q 703
2017-04-17 06:32:47 C 11 30 00.91 +30 07 52.4 q 703
2017-04-17 06:39:08 C 11 30 02.42 +30 07 31.8 q 703
2017-04-17 06:45:29 C 11 30 03.94 +30 07 11.2 q 703
2017-04-18 13:24:21 C 11 37 20.36 +28 33 07.5 q D29
2017-04-18 13:54:29 C 11 37 26.65 +28 31 39.1 q D29
2017-04-18 14:24:38 C 11 37 32.94 +28 30 10.3 q D29
2017-04-18 22:06:01 C 11 39 13.11 +28 07 35.7 U 130
2017-04-18 22:09:41 C 11 39 13.87 +28 07 24.8 U 130
2017-04-18 22:13:21 C 11 39 14.65 +28 07 14.0 U 130
2017-04-18 22:17:00 C 11 39 15.41 +28 07 03.6 U 130
2017-04-19 00:17:28 C 11 39 43.23 +28 01 17.1 q I15
2017-04-19 00:20:51 C 11 39 43.91 +28 01 07.8 q I15
2017-04-19 00:23:24 C 11 39 44.43 +28 01 00.7 q I15