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
2001-04-15 12:36:48 C 15 10 19.80 -15 31 56.2 d 608
2001-04-15 12:52:11 C 15 10 16.28 -15 31 30.0 d 608
2001-04-15 13:07:18 C 15 10 12.86 -15 31 04.7 d 608
2001-04-18 08:00:27 C 14 55 55.47 -13 39 01.1 18.2 c 704
2001-04-18 08:20:04 C 14 55 51.09 -13 38 27.3 18.7 c 704
2001-04-18 08:39:40 C 14 55 46.70 -13 37 54.6 18.3 c 704
2001-04-18 08:59:14 C 14 55 42.41 -13 37 22.1 18.6 c 704
2001-04-18 09:18:44 C 14 55 38.03 -13 36 48.9 18.9 c 704
2001-04-21 07:51:53 C 14 40 52.87 -11 37 59.1 18.4 c 704
2001-04-21 08:10:53 C 14 40 48.78 -11 37 27.0 18.2 c 704
2001-04-21 08:13:41 C 14 40 48.17 -11 37 22.8 18.1 c 704
2001-04-21 08:29:55 C 14 40 44.70 -11 36 56.5 18.6 c 704
2001-04-21 08:35:09 C 14 40 43.55 -11 36 47.4 19.0 c 704
2001-04-21 08:48:55 C 14 40 40.73 -11 36 24.1 18.7 c 704
2001-04-21 09:07:55 C 14 40 36.55 -11 35 52.8 18.4 c 704
2001-04-21 09:14:15 C 14 40 35.21 -11 35 41.1 18.4 c 704
2001-04-21 09:34:03 C 14 40 30.88 -11 35 08.2 18.5 c 704
2001-04-22 14:52:53 C 14 34 34.91 -10 46 27.7 402
2001-04-22 14:54:42 C 14 34 34.48 -10 46 24.3 402
2001-04-22 14:56:31 C 14 34 34.14 -10 46 21.0 402
2001-04-22 14:58:19 C 14 34 33.71 -10 46 18.6 402
2001-04-22 20:42:59 C 14 33 25.75 -10 36 55.2 587
2001-04-22 20:46:53 C 14 33 25.05 -10 36 48.2 587
2001-04-23 06:44:47 C 14 31 24.93 -10 20 22.9 18.3 c 704
2001-04-23 06:59:30 C 14 31 21.85 -10 19 58.8 18.2 c 704
2001-04-23 07:04:21 C 14 31 20.85 -10 19 52.3 17.9 c 704
2001-04-23 07:05:29 C 14 31 21.02 -10 19 49.5 670
2001-04-23 07:07:47 C 14 31 20.55 -10 19 45.1 670
2001-04-23 07:19:01 C 14 31 17.86 -10 19 28.1 18.9 c 704
2001-04-23 07:24:04 C 14 31 16.73 -10 19 19.3 18.0 c 704
2001-04-23 07:36:36 C 14 31 13.70 -10 19 01.2 649
2001-04-23 07:38:49 C 14 31 13.63 -10 18 55.0 18.5 c 704
2001-04-23 07:43:37 C 14 31 12.70 -10 18 48.2 18.5 c 704
2001-04-23 07:58:09 C 14 31 09.67 -10 18 23.1 18.9 c 704
2001-04-23 08:03:00 C 14 31 08.63 -10 18 15.7 18.7 c 704
2001-04-23 08:04:01 C 14 31 08.56 -10 18 12.2 926
2001-04-23 08:05:47 C 14 31 08.24 -10 18 10.1 926
2001-04-23 08:06:40 C 14 31 08.04 -10 18 09.0 17.8 919
2001-04-23 08:09:09 C 14 31 06.90 -10 18 07.2 649
2001-04-23 08:17:02 C 14 31 05.91 -10 17 52.6 17.8 919
2001-04-23 08:17:39 C 14 31 05.58 -10 17 51.1 18.3 c 704
2001-04-23 08:21:06 C 14 31 05.08 -10 17 45.9 17.7 919
2001-04-23 08:28:54 C 14 31 02.83 -10 17 35.9 649
2001-04-23 22:56:53 C 14 28 13.09 -09 54 08.9 046
2001-04-23 22:58:24 C 14 28 12.75 -09 54 05.6 046
2001-04-23 23:01:14 C 14 28 12.12 -09 54 01.5 046
2001-04-23 23:02:55 C 14 28 11.77 -09 53 59.0 046
2001-04-23 23:05:27 C 14 28 11.27 -09 53 55.0 046
2001-04-24 08:06:36 C 14 26 25.27 -09 39 15.9 18.0 c 704
2001-04-24 08:27:34 C 14 26 21.05 -09 38 42.2 18.1 c 704