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
2017-04-19 23:06:23 C 11 44 19.16 +26 57 41.3 U 160
2017-04-19 23:09:00 C 11 44 19.70 +26 57 34.7 U 160
2017-04-19 23:11:39 C 11 44 20.19 +26 57 27.3 U 160
2017-04-20 22:34:32 C 11 48 42.51 +25 55 59.2 q 160
2017-04-20 22:37:43 C 11 48 43.02 +25 55 50.5 q 160
2017-04-21 06:31:45 C 11 50 06.67 +25 35 59.1 q G96
2017-04-21 06:37:55 C 11 50 07.68 +25 35 43.3 q G96
2017-04-21 06:44:03 C 11 50 08.69 +25 35 27.8 q G96
2017-04-21 06:50:15 C 11 50 09.70 +25 35 12.3 q G96
2017-04-21 22:35:42 C 11 52 50.53 +24 56 25.2 q J27
2017-04-21 22:43:46 C 11 52 51.81 +24 56 05.1 q J27
2017-04-21 22:49:57 C 11 52 52.25 +24 55 46.7 q 160
2017-04-21 22:52:58 C 11 52 52.74 +24 55 39.7 q 160
2017-04-21 22:53:23 C 11 52 53.27 +24 55 42.1 q J27
2017-04-21 22:55:58 C 11 52 53.24 +24 55 32.3 q 160
2017-04-22 05:29:21 C 11 53 58.02 +24 40 02.1 q 703
2017-04-22 05:40:56 C 11 53 59.86 +24 39 33.6 q 703
2017-04-22 05:48:44 C 11 54 01.10 +24 39 15.6 q 703
2017-04-22 05:56:30 C 11 54 02.17 +24 38 56.5 q 703
2017-04-23 21:58:35 C 12 00 05.22 +23 08 15.4 q 160
2017-04-23 22:01:36 C 12 00 05.63 +23 08 08.8 q 160
2017-04-23 22:04:35 C 12 00 06.02 +23 08 02.3 q 160
2017-04-23 23:21:58 C 12 00 16.84 +23 05 17.5 q J27
2017-04-23 23:42:15 C 12 00 19.54 +23 04 32.8 q J27
2017-04-23 23:53:01 C 12 00 20.97 +23 04 09.3 q J27
2017-04-26 03:40:31 C 12 07 10.90 +21 18 55.7 o 291
2017-04-26 03:44:46 C 12 07 11.38 +21 18 47.7 o 291
2017-04-26 03:49:00 C 12 07 11.86 +21 18 39.5 o 291
2017-04-26 11:37:23 C 12 08 06.07 +21 03 49.4 L T05
2017-04-26 11:58:39 C 12 08 08.48 +21 03 08.2 L T05
2017-04-26 12:20:01 C 12 08 10.89 +21 02 27.2 L T05
2017-04-26 12:41:22 C 12 08 13.41 +21 01 45.3 L T05
2017-04-28 23:14:38 C 12 14 46.22 +19 17 16.9 18.3 d B66
2017-04-29 01:07:49 C 12 14 57.47 +19 14 03.5 18.2 d B66
2017-04-29 03:06:54 C 12 15 11.92 +19 10 53.5 o 691
2017-04-29 03:19:53 C 12 15 13.15 +19 10 32.4 o 691
2017-04-29 03:32:52 C 12 15 14.44 +19 10 11.1 o 691
2017-04-29 22:16:20 C 12 17 06.93 +18 39 20.7 18.4 d B66
2017-04-29 23:46:13 C 12 17 15.32 +18 36 55.0 18.3 d B66
2017-04-30 00:37:20 C 12 17 20.10 +18 35 32.4 18.1 d B66
2017-04-30 05:23:34 C 12 17 49.20 +18 28 02.7 o 691
2017-04-30 05:40:58 C 12 17 50.79 +18 27 34.7 o 691
2017-04-30 05:58:15 C 12 17 52.34 +18 27 07.0 o 691
2017-05-01 06:10:40 C 12 20 10.63 +17 49 23.9 q 703
2017-05-01 06:18:24 C 12 20 11.35 +17 49 11.8 q 703
2017-05-01 06:33:46 C 12 20 12.60 +17 48 48.3 q 703
2017-05-03 03:13:28 C 12 24 13.37 +16 43 12.2 q G96
2017-05-03 03:19:35 C 12 24 13.87 +16 43 03.4 q G96
2017-05-03 03:25:43 C 12 24 14.35 +16 42 55.1 q G96
2017-05-03 03:31:49 C 12 24 14.84 +16 42 46.4 q G96