216523 (2001 HY7)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4121150699 ± 2.00e+00
Semi-major axis (a)0.9136806710 AU ± 3.00e+00
Inclination (i)5.21104183° ± 4.00e+00
Long. of Asc. Node (Ω)205.04538348° ± 5.00e+00
Arg. of Perihelion (ω)211.33783742° ± 6.00e+00
Mean Anomaly (M)181.42476755° ± 1.42e-05
Mean Motion (n)1.1285495189°/day ± 5.56e+00
Perihelion dist (q)0.53713910 AU ± 2.54e+00
Aphelion dist (Q)1.29022224 AU ± 4.61e+00
Orbital Period0.87335670 yr ± 4.30e+00
NGA Modelr2
A24.44764154e-06 AU/d²
Physical Parameters
H (abs. magnitude)20.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.414″
Uncertainty0
Orbit TypeAten
MOID0.035143 AU
Observations Used343
Oppositions3
Arc Total2001-2023
First Observation Used2001-04-15
Last Observation Used2023-06-30
Observations (353)
Date Type RA Dec Mag Band Observatory
2002-07-04 21:31:19 C 17 19 55.64 +35 44 18.1 c 151
2002-07-04 21:33:20 C 17 19 54.63 +35 44 27.6 c 151
2002-07-04 21:34:44 C 17 19 53.91 +35 44 33.5 c 151
2002-07-04 21:36:18 C 17 19 53.09 +35 44 41.3 c 151
2002-07-04 21:37:05 C 17 19 52.72 +35 44 44.1 c 151
2002-07-04 21:38:43 C 17 19 51.85 +35 44 51.7 c 151
2002-07-05 22:20:26 C 17 07 12.86 +37 34 22.9 c 113
2002-07-05 22:21:00 C 17 07 12.55 +37 34 25.3 c 113
2002-07-05 22:21:35 C 17 07 12.23 +37 34 27.9 c 113
2002-07-05 22:22:08 C 17 07 11.92 +37 34 30.6 c 113
2002-07-05 22:22:45 C 17 07 11.63 +37 34 32.8 c 113
2002-07-07 21:06:50 C 16 40 34.56 +40 52 08.8 c 151
2002-07-07 21:08:43 C 16 40 33.33 +40 52 16.4 c 151
2002-07-07 21:11:09 C 16 40 31.76 +40 52 25.8 c 151
2002-07-07 21:14:23 C 16 40 29.79 +40 52 39.4 c 151
2002-07-07 21:17:49 C 16 40 27.57 +40 52 53.2 c 151
2002-07-07 21:19:22 C 16 40 26.63 +40 53 00.3 c 151
2002-07-07 21:20:47 C 16 40 25.71 +40 53 06.2 c 151
2002-07-07 21:22:25 C 16 40 24.72 +40 53 11.7 c 151
2002-07-08 05:06:12 C 16 35 40.26 +41 24 20.3 c 670
2002-07-08 05:07:56 C 16 35 39.24 +41 24 25.5 c 670
2002-07-08 06:18:12 C 16 34 53.51 +41 29 01.4 c 670
2002-07-08 06:19:59 C 16 34 52.42 +41 29 09.2 c 670
2007-06-17 04:04:55 C 11 16 50.53 +06 43 25.9 o 291
2007-06-17 04:10:29 C 11 16 51.09 +06 43 21.9 o 291
2007-06-17 04:15:57 C 11 16 51.70 +06 43 20.7 o 291
2008-04-03 09:42:14 C 16 30 41.83 -22 14 28.8 r 448
2008-04-03 10:05:29 C 16 30 38.58 -22 14 07.1 r 448
2008-04-03 10:25:29 C 16 30 35.73 -22 13 49.3 r 448
2008-04-06 10:07:56 C 16 20 40.71 -21 04 22.7 19.5 c 704
2008-04-06 10:41:26 C 16 20 35.43 -21 03 49.5 19.8 c 704
2008-04-06 11:15:40 C 16 20 30.16 -21 03 13.6 19.7 c 704
2008-04-14 09:45:37 C 15 49 05.66 -17 21 21.4 r 703
2008-04-14 09:53:35 C 15 49 04.08 -17 21 11.1 r 703
2008-04-14 10:01:37 C 15 49 02.56 -17 21 00.4 r 703
2008-04-14 10:09:38 C 15 49 01.09 -17 20 49.3 r 703
2008-04-15 09:49:26 C 15 44 41.64 -16 49 39.0 19.2 c 704
2008-04-15 10:05:25 C 15 44 38.52 -16 49 18.1 19.3 c 704
2008-04-15 10:37:30 C 15 44 32.30 -16 48 35.8 19.6 c 704
2008-04-15 10:53:30 C 15 44 29.25 -16 48 15.0 19.1 c 704
2008-04-22 09:00:40 C 15 12 41.55 -12 53 25.3 o H55
2008-04-22 09:08:42 C 15 12 39.94 -12 53 14.9 o H55
2008-04-22 09:15:13 C 15 12 38.61 -12 53 04.7 o H55
2008-04-26 11:00:43 C 14 53 47.57 -10 28 42.4 r E19
2008-04-26 11:05:49 C 14 53 46.37 -10 28 34.2 r E19
2008-04-26 11:10:55 C 14 53 45.52 -10 28 27.5 r E19
2008-04-26 22:40:35 C 14 51 33.40 -10 12 31.3 o 151
2008-04-26 22:42:41 C 14 51 32.99 -10 12 27.7 o 151
2008-04-26 22:44:46 C 14 51 32.62 -10 12 23.7 o 151
2008-04-26 22:46:52 C 14 51 32.16 -10 12 20.8 o 151