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
2004-05-30 07:24:55 C 18 04 27.87 +47 31 06.2 19.6 c 704
2004-05-30 07:37:51 C 18 04 27.60 +47 31 33.2 18.8 c 704
2004-05-30 07:50:42 C 18 04 27.18 +47 32 01.4 19.2 c 704
2004-05-30 08:03:32 C 18 04 26.69 +47 32 28.1 19.6 c 704
2004-06-06 21:19:47 C 17 58 28.44 +53 16 00.6 o 151
2004-06-06 21:23:11 C 17 58 28.31 +53 16 06.0 o 151
2004-06-06 21:24:21 C 17 58 28.26 +53 16 07.8 o 151
2004-08-19 21:11:59 C 17 36 46.76 +61 59 39.6 c A48
2004-08-19 21:22:35 C 17 36 47.35 +61 59 34.4 c A48
2004-08-19 21:34:06 C 17 36 48.18 +61 59 28.8 c A48
2004-08-22 21:43:03 C 17 42 14.75 +61 21 15.1 o A13
2004-08-22 21:47:58 C 17 42 15.09 +61 21 13.0 o A13
2004-08-22 21:52:48 C 17 42 15.49 +61 21 10.0 o A13
2004-08-22 21:57:38 C 17 42 15.81 +61 21 07.3 o A13
2004-08-22 22:00:52 C 17 42 16.08 +61 21 05.3 o A13
2004-08-23 03:19:34 C 17 42 42.15 +61 18 13.0 o 699
2004-08-23 03:42:32 C 17 42 44.02 +61 17 59.0 o 699
2004-08-23 04:05:27 C 17 42 45.71 +61 17 45.8 o 699
2004-08-23 04:28:21 C 17 42 47.39 +61 17 32.1 o 699
2004-08-26 03:18:11 C 17 48 46.65 +60 35 31.5 o 699
2004-08-26 03:41:40 C 17 48 48.79 +60 35 17.0 o 699
2004-08-26 04:05:06 C 17 48 50.60 +60 35 02.8 o 699
2004-08-26 04:28:24 C 17 48 52.63 +60 34 46.9 o 699
2004-09-02 19:39:49 C 18 06 55.53 +58 24 35.1 o 240
2004-09-02 19:44:25 C 18 06 55.99 +58 24 31.5 o 240
2004-09-02 19:45:58 C 18 06 56.15 +58 24 30.2 o 240
2004-09-02 19:49:03 C 18 06 56.47 +58 24 27.7 o 240
2004-09-02 19:50:35 C 18 06 56.63 +58 24 26.6 o 240
2004-09-02 19:55:12 C 18 06 57.11 +58 24 22.9 o 240
2004-09-02 20:01:21 C 18 06 57.74 +58 24 18.1 o 240
2004-09-20 19:48:11 C 19 02 33.14 +50 34 52.1 o A13
2004-09-20 19:52:02 C 19 02 33.69 +50 34 46.7 o A13
2004-09-20 19:56:43 C 19 02 34.35 +50 34 40.1 o A13
2004-09-20 20:00:35 C 19 02 34.93 +50 34 34.5 o A13
2004-09-21 21:15:49 C 19 06 18.61 +49 58 21.1 c 938
2004-09-21 22:17:45 C 19 06 27.42 +49 56 49.2 c 938
2004-10-03 19:29:25 C 19 50 53.77 +41 48 55.3 o 198
2004-10-03 19:31:01 C 19 50 54.01 +41 48 52.2 o 198
2004-10-03 19:32:36 C 19 50 54.25 +41 48 49.1 o 198
2004-10-03 19:35:47 C 19 50 54.73 +41 48 43.1 o 198
2004-10-30 19:42:04 C 21 35 01.45 +17 14 50.1 r 240
2004-10-30 19:44:04 C 21 35 01.71 +17 14 45.3 r 240
2004-12-10 19:25:21 C 23 45 21.90 -05 49 10.2 c 246
2004-12-10 19:30:10 C 23 45 22.47 -05 49 12.7 c 246
2004-12-10 19:33:34 C 23 45 22.88 -05 49 14.8 c 246
2004-12-10 19:34:44 C 23 45 22.94 -05 49 15.2 c 246
2009-10-01 07:01:30 C 03 13 57.03 +46 36 47.6 18.3 c 704
2009-10-01 07:19:35 C 03 13 56.43 +46 36 13.2 19.2 c 704
2009-10-01 07:37:40 C 03 13 55.85 +46 35 38.2 19.0 c 704
2009-10-01 07:55:46 C 03 13 55.54 +46 35 03.5 20.0 c 704