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
2009-07-04 01:17:57 C 19 41 09.62 +46 54 18.2 o J95
2009-07-04 01:45:00 C 19 41 03.50 +46 58 06.3 o J95
2009-07-04 22:31:49 C 19 36 30.53 +49 57 36.7 o J95
2009-07-04 23:01:40 C 19 36 22.65 +50 02 02.5 o J95
2009-07-04 23:29:55 C 19 36 15.14 +50 06 14.2 o J95
2009-07-05 22:57:57 C 19 29 55.21 +53 37 39.6 o J95
2009-07-05 23:49:40 C 19 29 38.30 +53 45 37.9 o J95
2009-07-06 00:59:06 C 19 29 15.29 +53 56 17.6 o J95
2009-07-06 01:38:02 C 19 29 02.28 +54 02 15.1 o J95
2009-07-06 05:49:03 C 19 27 46.48 +54 41 14.8 o H55
2009-07-06 05:51:12 C 19 27 45.75 +54 41 34.8 o H55
2009-07-06 05:53:05 C 19 27 45.07 +54 41 52.5 o H55
2009-07-06 05:55:14 C 19 27 44.32 +54 42 12.4 o H55
2009-07-06 05:59:16 C 19 27 42.88 +54 42 49.7 o H55
2009-07-06 06:01:09 C 19 27 42.20 +54 43 07.5 o H55
2009-07-09 01:43:05 C 18 55 55.92 +65 29 16.3 v 204
2009-07-09 01:47:30 C 18 55 52.77 +65 29 58.1 v 204
2009-07-09 01:51:52 C 18 55 49.63 +65 30 39.3 v 204
2015-04-11 10:38:34 C 16 33 54.56 -19 37 47.1 q G96
2015-04-11 10:45:10 C 16 33 53.70 -19 37 41.7 q G96
2015-04-11 10:51:46 C 16 33 52.88 -19 37 35.3 q G96
2015-04-11 10:58:22 C 16 33 52.03 -19 37 29.5 q G96
2015-04-25 07:57:12 C 15 43 32.80 -13 36 26.8 R G45
2015-04-25 08:05:48 C 15 43 31.19 -13 36 16.2 R G45
2015-04-25 08:18:08 C 15 43 28.92 -13 36 00.8 R G45
2015-04-25 08:26:57 C 15 43 27.27 -13 35 50.0 R G45
2015-04-25 08:35:01 C 15 43 25.81 -13 35 39.6 R G45
2015-04-25 08:43:11 C 15 43 24.31 -13 35 29.4 R G45
2015-04-28 06:46:42 C 15 30 52.61 -12 05 52.5 o 691
2015-04-28 07:13:52 C 15 30 47.47 -12 05 17.6 o 691
2015-04-28 07:41:01 C 15 30 42.33 -12 04 42.7 o 691
2015-05-01 07:30:13 C 15 17 37.69 -10 30 39.2 u 807
2015-05-01 07:33:36 C 15 17 37.63 -10 31 12.1 u H21
2015-05-01 07:35:27 C 15 17 36.70 -10 30 32.3 u 807
2015-05-01 07:38:53 C 15 17 36.64 -10 31 05.0 u H21
2015-05-01 07:40:41 C 15 17 35.73 -10 30 25.4 u 807
2015-05-01 07:44:13 C 15 17 35.63 -10 30 58.2 u H21
2015-05-08 06:48:47 C 14 48 01.57 -06 59 33.9 q 703
2015-05-11 14:43:16 C 14 34 58.12 -05 27 30.4 q D29
2015-05-11 14:49:37 C 14 34 57.02 -05 27 23.5 q D29
2015-05-11 15:03:35 C 14 34 54.79 -05 27 08.2 q D29
2015-05-11 15:09:56 C 14 34 53.74 -05 27 00.8 q D29
2015-05-11 15:23:54 C 14 34 51.42 -05 26 45.6 q D29
2015-05-13 06:43:48 C 14 28 48.51 -04 44 40.5 q 703
2015-05-13 06:51:43 C 14 28 47.25 -04 44 33.2 q 703
2015-05-18 14:43:22 C 14 11 10.23 -02 44 53.0 q D29
2015-05-18 14:49:43 C 14 11 09.38 -02 44 47.3 q D29
2015-05-18 15:03:42 C 14 11 07.50 -02 44 36.6 q D29
2015-05-18 15:10:03 C 14 11 06.68 -02 44 30.6 q D29
2015-05-18 15:24:01 C 14 11 04.85 -02 44 19.3 q D29