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
2001-04-26 06:48:29 C 13 35 59.72 +13 02 58.1 658
2001-04-29 20:07:09 C 13 33 20.59 +11 46 03.8 540
2001-04-29 20:22:11 C 13 33 20.07 +11 45 49.5 540
2001-04-29 20:34:45 C 13 33 19.67 +11 45 38.6 540
2001-04-29 20:58:37 C 13 33 18.94 +11 45 21.1 118
2001-04-29 21:05:10 C 13 33 18.72 +11 45 15.0 118
2001-04-29 21:21:34 C 13 33 18.31 +11 45 00.4 046
2001-04-29 21:24:47 C 13 33 18.19 +11 44 57.6 046
2001-04-29 21:26:48 C 13 33 18.12 +11 44 55.3 046
2001-04-29 21:29:05 C 13 33 18.03 +11 44 53.8 046
2001-05-01 06:32:04 C 13 32 30.72 +11 17 09.8 926
2001-05-01 06:36:51 C 13 32 30.58 +11 17 05.0 926
2001-05-01 06:45:37 C 13 32 30.33 +11 16 58.5 926
2001-05-02 03:24:29 C 13 32 05.51 +10 59 57.6 649
2001-05-02 03:36:42 C 13 32 05.22 +10 59 48.1 649
2001-05-02 03:50:50 C 13 32 04.80 +10 59 36.4 649
2001-05-02 06:31:43 C 13 32 01.39 +10 57 23.0 658
2001-05-02 06:40:13 C 13 32 01.19 +10 57 15.8 658
2001-05-02 06:46:22 C 13 32 01.04 +10 57 10.2 658
2001-05-11 22:06:18 C 13 29 56.77 +08 05 47.1 540
2001-05-11 22:12:38 C 13 29 56.74 +08 05 42.5 540
2001-05-11 22:18:48 C 13 29 56.73 +08 05 38.2 540
2001-05-19 13:43:52 C 13 31 01.85 +06 05 36.2 360
2001-05-19 13:49:22 C 13 31 01.93 +06 05 32.1 360
2001-05-19 13:56:09 C 13 31 01.95 +06 05 28.1 360
2009-08-15 09:15:10 C 00 08 07.93 +00 20 09.3 o 291
2009-08-15 09:29:27 C 00 08 07.83 +00 20 05.4 o 691
2009-08-15 09:29:47 C 00 08 07.90 +00 20 05.4 o 291
2009-08-15 09:44:37 C 00 08 07.79 +00 20 01.4 o 291
2009-08-15 09:54:47 C 00 08 07.75 +00 19 58.6 o 691
2009-08-15 10:20:08 C 00 08 07.69 +00 19 51.7 o 691
2009-08-16 08:58:56 C 00 08 04.24 +00 13 48.5 o 291
2009-08-16 09:13:36 C 00 08 04.08 +00 13 44.5 o 291
2009-08-16 09:28:18 C 00 08 04.02 +00 13 40.4 o 291
2009-08-20 07:14:58 C 00 07 23.26 -00 16 11.4 o 291
2009-08-20 07:22:45 C 00 07 23.21 -00 16 13.1 o 291
2009-08-20 07:31:03 C 00 07 23.05 -00 16 16.5 o 291
2009-08-27 08:19:41 C 00 04 12.86 -01 31 21.2 o 691
2009-08-27 08:45:04 C 00 04 12.09 -01 31 35.2 o 691
2009-08-27 09:10:25 C 00 04 11.32 -01 31 48.6 o 691
2009-09-25 04:07:37 C 23 18 22.84 -12 35 48.0 o 291
2009-09-25 04:13:40 C 23 18 22.16 -12 35 56.6 o 291
2009-09-25 04:19:41 C 23 18 21.48 -12 36 04.8 o 291
2009-09-26 05:05:13 C 23 15 40.91 -13 09 54.1 o 291
2009-09-26 05:12:01 C 23 15 40.13 -13 10 03.3 o 291
2009-09-26 05:18:29 C 23 15 39.36 -13 10 12.8 o 291
2009-09-27 13:15:12 C 23 12 06.91 -13 54 00.8 r E12
2009-10-12 02:41:15 C 22 29 17.10 -22 09 57.7 r I20
2009-10-12 02:46:25 C 22 29 16.39 -22 10 04.8 r I20
2009-10-20 13:00:46 C 22 03 37.12 -26 34 21.0 r E12