222073 (1999 HY1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1308114527 ± 8.87e-09
Semi-major axis (a)1.3863422068 AU ± 6.74e-10
Inclination (i)34.22524911° ± 3.64e-06
Long. of Asc. Node (Ω)216.09355016° ± 1.94e-06
Arg. of Perihelion (ω)89.86934796° ± 1.31e-05
Mean Anomaly (M)18.88279804° ± 1.09e-05
Mean Motion (n)0.6038187685°/day ± 4.41e-10
Perihelion dist (q)1.20499277 AU ± 1.23e-08
Aphelion dist (Q)1.56769164 AU ± 1.23e-08
Orbital Period1.63232138 yr ± 1.19e-09
Physical Parameters
H (abs. magnitude)18.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.277″
Uncertainty0
Orbit TypeAmor
MOID0.341576 AU
Observations Used759
Oppositions10
Arc Total1999-2025
First Observation Used1999-04-22
Last Observation Used2025-06-15
Observations (822)
Date Type RA Dec Mag Band Observatory
2017-05-20 07:23:19 C 14 41 32.37 +24 57 23.3 q 703
2017-05-20 07:31:06 C 14 41 31.96 +24 57 43.7 q 703
2017-05-20 07:38:52 C 14 41 31.62 +24 58 02.6 q 703
2017-05-20 10:10:11 C 14 41 25.33 +25 04 43.8 L T05
2017-05-20 10:26:42 C 14 41 24.53 +25 05 26.7 L T05
2017-05-20 10:54:08 C 14 41 23.13 +25 06 38.2 L T05
2017-05-20 11:25:53 C 14 41 21.62 +25 08 00.0 L T05
2017-05-21 07:14:22 C 14 40 32.47 +25 58 33.1 q 703
2017-05-21 07:22:04 C 14 40 32.11 +25 58 53.0 q 703
2017-05-21 07:29:47 C 14 40 31.74 +25 59 12.2 q 703
2017-05-21 07:37:31 C 14 40 31.44 +25 59 31.8 q 703
2017-05-21 19:57:18 C 14 40 02.38 +26 30 03.4 q 107
2017-05-21 20:01:25 C 14 40 02.21 +26 30 13.6 q 107
2017-05-21 20:05:52 C 14 40 02.04 +26 30 24.4 q 107
2017-05-21 20:09:37 C 14 40 01.85 +26 30 33.5 q 107
2017-05-22 23:35:13 C 14 38 56.37 +27 36 14.1 q J27
2017-05-22 23:45:55 C 14 38 55.87 +27 36 39.1 q J27
2017-05-22 23:55:00 C 14 38 55.48 +27 37 00.1 q J27
2017-05-23 07:27:40 C 14 38 38.05 +27 54 30.4 q 703
2017-05-23 07:34:00 C 14 38 37.78 +27 54 45.4 q 703
2017-05-23 07:40:22 C 14 38 37.51 +27 55 00.0 q 703
2017-05-23 07:46:40 C 14 38 37.23 +27 55 14.3 q 703
2017-05-24 10:10:46 C 14 37 39.006 +28 54 29.48 L F51
2017-05-24 10:44:12 C 14 37 37.605 +28 55 41.96 L F51
2017-05-24 11:00:53 C 14 37 36.910 +28 56 18.01 L F51
2017-05-24 23:03:42 C 14 37 12.01 +29 22 07.2 q Z80
2017-05-24 23:09:02 C 14 37 11.80 +29 22 18.2 q Z80
2017-05-24 23:14:21 C 14 37 11.53 +29 22 29.8 q Z80
2017-05-24 23:14:33 C 14 37 11.50 +29 22 33.1 c 122
2017-05-24 23:19:39 C 14 37 11.35 +29 22 41.4 q Z80
2017-05-24 23:20:49 C 14 37 11.24 +29 22 46.3 c 122
2017-05-24 23:24:59 C 14 37 11.18 +29 22 52.4 q Z80
2017-05-24 23:27:10 C 14 37 10.99 +29 22 59.7 c 122
2017-05-24 23:30:18 C 14 37 10.93 +29 23 04.1 q Z80
2017-05-24 23:35:38 C 14 37 10.70 +29 23 14.8 q Z80
2017-05-26 04:37:36 C 14 36 12.23 +30 23 26.7 q H45
2017-05-26 04:38:55 C 14 36 12.18 +30 23 29.5 q H45
2017-05-26 04:41:03 C 14 36 12.05 +30 23 33.9 q H45
2017-05-26 04:42:42 C 14 36 12.01 +30 23 37.1 q H45
2017-05-26 04:44:16 C 14 36 11.97 +30 23 40.2 q H45
2017-05-26 04:45:58 C 14 36 11.90 +30 23 43.8 q H45
2017-05-26 21:49:39 C 14 35 39.24 +30 57 24.6 q 160
2017-05-26 21:52:41 C 14 35 39.11 +30 57 30.6 q 160
2017-05-26 21:55:43 C 14 35 39.03 +30 57 35.7 q 160
2017-05-26 23:54:10 C 14 35 34.83 +31 01 25.1 17.8 d B66
2017-05-27 01:20:10 C 14 35 31.85 +31 04 09.1 17.9 d B66
2017-05-27 09:10:16 C 14 35 18.18 +31 19 20.3 L T08
2017-05-27 09:37:42 C 14 35 17.21 +31 20 13.2 L T08
2017-05-27 09:58:58 C 14 35 16.35 +31 20 52.0 L T08
2017-05-27 10:16:54 C 14 35 15.66 +31 21 25.2 L T08