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
2001-04-24 08:49:48 C 14 26 16.51 -09 38 06.1 18.2 c 704
2001-04-24 09:11:57 C 14 26 12.03 -09 37 30.6 18.2 c 704
2001-04-29 22:08:28 C 14 02 17.49 -06 17 43.9 118
2001-04-29 22:13:48 C 14 02 16.54 -06 17 35.6 118
2001-04-29 22:16:44 C 14 02 16.10 -06 17 32.0 118
2001-04-30 07:17:48 C 14 00 47.20 -06 05 01.0 926
2001-04-30 07:20:47 C 14 00 46.70 -06 04 56.7 926
2001-04-30 07:22:41 C 14 00 46.36 -06 04 54.6 926
2001-05-11 05:06:39 C 13 26 47.09 -01 21 23.4 649
2001-05-11 05:27:05 C 13 26 44.92 -01 21 06.1 649
2001-05-11 05:54:49 C 13 26 41.98 -01 20 44.8 649
2001-05-25 06:10:47 C 13 05 24.38 +01 28 38.2 658
2001-05-25 06:19:31 C 13 05 23.90 +01 28 39.7 658
2001-05-25 06:28:56 C 13 05 23.53 +01 28 42.3 658
2002-05-21 08:48:59 C 19 35 45.21 -07 54 39.4 c 649
2002-05-21 08:59:17 C 19 35 45.20 -07 54 29.5 c 649
2002-05-21 09:08:07 C 19 35 45.24 -07 54 20.9 c 649
2002-05-26 08:39:08 C 19 36 20.86 -05 46 57.9 c 649
2002-05-26 09:09:16 C 19 36 20.63 -05 46 23.4 c 649
2002-05-26 09:21:03 C 19 36 20.58 -05 46 08.7 c 649
2002-06-17 00:31:31 C 19 11 30.87 +09 07 22.2 c 621
2002-06-17 00:35:40 C 19 11 30.33 +09 07 32.9 c 621
2002-06-17 00:37:12 C 19 11 30.16 +09 07 37.2 c 621
2002-06-26 21:15:35 C 18 29 35.59 +21 49 46.0 c 151
2002-06-26 21:18:06 C 18 29 34.99 +21 49 55.9 c 151
2002-06-27 00:09:33 C 18 28 47.98 +22 01 11.9 118
2002-06-27 00:14:49 C 18 28 46.54 +22 01 31.8 118
2002-06-27 00:17:24 C 18 28 45.82 +22 01 42.7 118
2002-06-29 21:05:15 C 18 08 42.91 +26 46 00.4 c 185
2002-06-29 21:07:28 C 18 08 42.13 +26 46 09.6 c 185
2002-06-29 21:11:23 C 18 08 40.80 +26 46 26.9 c 185
2002-06-29 21:18:48 C 18 08 38.24 +26 46 58.9 c 185
2002-06-29 21:22:08 C 18 08 37.13 +26 47 13.8 c 185
2002-06-29 21:35:28 C 18 08 32.50 +26 48 12.1 c 151
2002-06-29 21:39:55 C 18 08 30.97 +26 48 31.9 c 151
2002-06-29 21:41:11 C 18 08 30.56 +26 48 36.7 c 151
2002-06-29 21:43:12 C 18 08 29.86 +26 48 45.6 c 151
2002-06-30 21:50:36 C 18 00 13.91 +28 34 00.2 c 151
2002-06-30 21:51:42 C 18 00 13.52 +28 34 05.0 c 151
2002-06-30 21:53:36 C 18 00 12.82 +28 34 13.6 c 151
2002-06-30 21:55:28 C 18 00 12.12 +28 34 21.6 c 151
2002-06-30 21:56:36 C 18 00 11.71 +28 34 27.1 c 151
2002-06-30 21:57:40 C 18 00 11.30 +28 34 31.9 c 151
2002-06-30 21:58:51 C 18 00 10.83 +28 34 36.9 c 151
2002-06-30 21:59:57 C 18 00 10.41 +28 34 41.7 c 151
2002-07-02 06:57:49 C 17 47 41.45 +31 02 01.8 18.4 c 704
2002-07-02 07:12:19 C 17 47 35.33 +31 03 06.6 18.6 c 704
2002-07-02 07:26:49 C 17 47 29.28 +31 04 11.4 17.5 c 704
2002-07-04 21:28:59 C 17 19 56.80 +35 44 08.4 c 151
2002-07-04 21:30:24 C 17 19 56.05 +35 44 14.4 c 151