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
2017-05-16 05:51:58 C 12 46 25.88 +10 40 55.2 o 691
2017-05-16 06:15:08 C 12 46 27.20 +10 40 32.6 o 691
2017-05-16 06:38:17 C 12 46 28.53 +10 40 11.1 o 691
2017-05-17 05:09:03 C 12 47 50.36 +10 18 53.8 o 691
2017-05-17 05:32:40 C 12 47 51.68 +10 18 31.7 o 691
2017-05-17 05:56:17 C 12 47 52.99 +10 18 09.3 o 691
2017-05-19 03:55:19 C 12 50 36.63 +09 36 02.8 o 691
2017-05-19 04:16:57 C 12 50 37.80 +09 35 43.4 o 691
2017-05-19 04:38:42 C 12 50 39.00 +09 35 23.8 o 691
2017-05-19 06:16:27 C 12 50 44.19 +09 33 55.9 q G96
2017-05-19 06:27:00 C 12 50 44.86 +09 33 46.2 q G96
2017-05-19 06:36:12 C 12 50 45.34 +09 33 38.1 q G96
2017-05-19 06:42:10 C 12 50 45.68 +09 33 32.8 q G96
2025-07-24 08:16:28 C 23 36 35.94 -00 56 32.5 V H21
2025-07-24 08:24:56 C 23 36 36.02 -00 56 32.8 V H21
2025-08-05 13:43:38 C 23 36 49.611 -01 31 49.59 X F51
2025-08-05 13:59:50 C 23 36 49.413 -01 31 53.02 X F51
2025-08-05 14:16:02 C 23 36 49.223 -01 31 56.49 X F51
2025-08-05 14:32:09 C 23 36 49.016 -01 32 00.15 X F51
2025-08-19 11:47:03 C 23 29 03.380 -03 25 22.88 X F51
2025-08-19 12:03:05 C 23 29 02.704 -03 25 30.36 X F51
2025-08-19 12:19:26 C 23 29 02.008 -03 25 38.33 X F51
2025-08-30 10:47:28 C 23 15 26.100 -06 03 20.25 X F51
2025-08-30 11:05:13 C 23 15 24.864 -06 03 33.24 X F51
2025-08-30 11:40:43 C 23 15 22.415 -06 03 58.80 X F51
2025-09-10 10:02:34 C 22 55 03.839 -09 40 07.82 X F52
2025-09-10 10:18:04 C 22 55 02.410 -09 40 21.95 X F52
2025-09-10 10:33:34 C 22 55 00.956 -09 40 36.05 X F52
2025-09-10 10:49:06 C 22 54 59.508 -09 40 50.10 X F52
2025-09-15 15:04:21 C 22 43 29.71 -11 37 32.3 V D29
2025-09-15 15:24:43 C 22 43 27.66 -11 37 51.9 V D29
2025-09-15 15:45:04 C 22 43 25.62 -11 38 11.3 V D29
2025-09-25 08:16:04 C 22 20 27.004 -15 21 26.23 X F52
2025-09-25 08:32:43 C 22 20 25.262 -15 21 41.81 X F52
2025-09-25 08:49:17 C 22 20 23.535 -15 21 57.35 X F52
2025-09-25 09:05:52 C 22 20 21.811 -15 22 12.77 X F52
2025-10-16 05:20:03 C 21 38 41.551 -21 49 23.76 X F51
2025-10-16 05:51:56 C 21 38 39.450 -21 49 42.64 X F51
2025-10-16 06:07:52 C 21 38 38.394 -21 49 51.93 X F51