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
2001-04-21 06:27:24 C 13 41 36.48 +15 07 50.7 18.0 c 704
2001-04-21 06:46:10 C 13 41 35.23 +15 07 28.7 18.0 c 704
2001-04-21 07:04:58 C 13 41 33.97 +15 07 07.5 18.2 c 704
2001-04-21 07:23:45 C 13 41 32.75 +15 06 46.0 18.2 c 704
2001-04-21 07:42:32 C 13 41 31.46 +15 06 24.7 17.9 c 704
2001-04-21 22:22:31 C 13 40 43.48 +14 49 50.1 946
2001-04-21 22:59:02 C 13 40 41.12 +14 49 10.3 946
2001-04-21 23:16:24 C 13 40 40.06 +14 48 51.2 165
2001-04-21 23:22:44 C 13 40 39.65 +14 48 45.8 946
2001-04-21 23:25:44 C 13 40 39.38 +14 48 41.5 165
2001-04-21 23:31:59 C 13 40 39.05 +14 48 34.6 165
2001-04-21 23:38:35 C 13 40 38.66 +14 48 29.6 952
2001-04-21 23:43:16 C 13 40 38.43 +14 48 24.7 952
2001-04-21 23:51:49 C 13 40 37.72 +14 48 11.5 165
2001-04-21 23:54:28 C 13 40 37.83 +14 48 12.0 952
2001-04-22 14:20:04 C 13 39 52.31 +14 32 28.2 402
2001-04-22 14:21:52 C 13 39 52.20 +14 32 26.2 402
2001-04-22 14:23:40 C 13 39 52.09 +14 32 24.3 402
2001-04-22 14:25:30 C 13 39 51.95 +14 32 22.3 402
2001-04-22 22:22:43 C 13 39 28.03 +14 23 44.0 587
2001-04-22 22:32:19 C 13 39 27.46 +14 23 33.9 587
2001-04-23 06:43:31 C 13 39 03.13 +14 15 01.1 18.3 c 704
2001-04-23 06:52:55 C 13 39 02.07 +14 14 50.1 649
2001-04-23 06:57:00 C 13 39 01.92 +14 14 43.0 649
2001-04-23 07:01:47 C 13 39 01.63 +14 14 37.9 649
2001-04-23 07:03:01 C 13 39 02.02 +14 14 39.9 18.8 c 704
2001-04-23 07:09:42 C 13 39 01.78 +14 14 34.6 926
2001-04-23 07:16:07 C 13 39 01.35 +14 14 27.6 926
2001-04-23 07:18:57 C 13 39 01.25 +14 14 25.3 926
2001-04-23 07:22:48 C 13 39 00.90 +14 14 18.6 18.9 c 704
2001-04-23 07:42:20 C 13 38 59.71 +14 13 58.5 18.9 c 704
2001-04-23 08:01:40 C 13 38 58.65 +14 13 38.6 19.0 c 704
2001-04-23 22:33:44 C 13 38 18.44 +13 58 25.5 046
2001-04-23 22:36:21 C 13 38 18.35 +13 58 22.0 046
2001-04-23 22:37:50 C 13 38 18.24 +13 58 21.6 046
2001-04-23 22:39:42 C 13 38 18.16 +13 58 19.1 046
2001-04-23 22:42:04 C 13 38 17.94 +13 58 17.2 046
2001-04-24 07:48:56 C 13 37 52.87 +13 49 07.9 18.5 c 704
2001-04-24 08:10:42 C 13 37 51.76 +13 48 45.7 18.7 c 704
2001-04-24 08:33:15 C 13 37 50.60 +13 48 21.9 18.3 c 704
2001-04-24 08:54:07 C 13 37 49.47 +13 48 00.5 18.2 c 704
2001-04-25 04:43:18 C 13 37 01.24 +13 28 14.8 c 699
2001-04-25 05:26:00 C 13 36 59.17 +13 27 33.9 c 699
2001-04-25 06:08:51 C 13 36 57.09 +13 26 51.7 c 699
2001-04-25 06:51:50 C 13 36 55.00 +13 26 09.4 c 699
2001-04-25 20:46:35 C 13 36 22.65 +13 12 32.5 118
2001-04-25 20:52:52 C 13 36 22.34 +13 12 26.6 118
2001-04-25 20:57:59 C 13 36 22.14 +13 12 21.9 118
2001-04-26 06:38:38 C 13 36 00.18 +13 03 07.1 658
2001-04-26 06:45:20 C 13 35 59.82 +13 03 00.5 658