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
2009-10-25 23:57:41 C 02 41 41.01 +17 22 34.1 v 204
2009-10-26 00:01:00 C 02 41 40.78 +17 22 22.0 v 204
2009-10-26 00:04:19 C 02 41 40.54 +17 22 09.9 v 204
2009-10-26 00:07:37 C 02 41 40.31 +17 21 57.7 v 204
2009-10-26 00:10:41 C 02 41 40.06 +17 21 46.1 r 130
2009-10-26 00:10:56 C 02 41 40.07 +17 21 45.5 v 204
2009-10-26 00:12:51 C 02 41 39.90 +17 21 38.3 r 130
2009-10-26 00:13:34 C 02 41 39.86 +17 21 35.8 r 130
2009-10-26 00:15:45 C 02 41 39.69 +17 21 27.9 r 130
2009-10-26 05:54:30 C 02 41 17.43 +17 00 51.1 r 850
2009-10-26 06:11:20 C 02 41 16.20 +16 59 49.6 r 850
2009-10-26 06:45:27 C 02 41 13.73 +16 57 44.2 r 850
2009-10-26 07:02:04 C 02 41 12.54 +16 56 43.2 r 850
2009-10-26 23:38:01 C 02 40 06.86 +15 55 55.3 w 160
2009-10-26 23:42:00 C 02 40 06.58 +15 55 40.7 w 160
2009-10-26 23:45:55 C 02 40 06.30 +15 55 26.3 w 160
2009-10-26 23:49:31 C 02 40 05.41 +15 55 12.4 17.5 o C20
2009-10-27 06:56:57 C 02 39 38.02 +15 29 15.5 17.6 c 704
2009-10-27 07:16:28 C 02 39 36.63 +15 28 04.3 17.8 c 704
2009-10-27 07:36:03 C 02 39 35.23 +15 26 52.0 17.7 c 704
2009-10-27 07:55:43 C 02 39 33.79 +15 25 41.0 17.7 c 704
2009-10-27 08:15:15 C 02 39 32.42 +15 24 29.3 17.6 c 704
2009-10-27 17:05:09 C 02 38 57.23 +14 52 13.4 r 379
2009-10-27 17:10:28 C 02 38 56.85 +14 51 54.3 r 379
2009-10-27 17:19:50 C 02 38 56.21 +14 51 20.5 r 379
2009-10-27 17:29:10 C 02 38 55.52 +14 50 45.9 r 379
2009-10-27 17:41:09 C 02 38 54.68 +14 50 01.8 r 379
2009-10-27 17:43:48 C 02 38 54.48 +14 49 52.3 r 379
2009-10-27 17:46:28 C 02 38 54.29 +14 49 42.7 r 379
2009-10-28 21:04:02 C 02 37 09.42 +13 10 31.7 r J75
2009-10-28 21:22:34 C 02 37 08.15 +13 09 24.4 r J75
2009-10-28 21:34:11 C 02 37 06.43 +13 08 41.8 17.6 o C20
2009-10-28 21:36:19 C 02 37 06.27 +13 08 34.2 17.6 o C20
2009-10-28 21:41:06 C 02 37 06.86 +13 08 17.6 r J75
2009-10-28 22:51:38 C 02 37 02.35 +13 04 06.3 w J51
2009-10-28 23:01:30 C 02 37 01.64 +13 03 30.9 w J51
2009-10-28 23:11:22 C 02 37 00.92 +13 02 55.3 w J51
2009-10-29 21:45:33 C 02 35 34.02 +11 41 36.0 r J75
2009-10-29 22:05:30 C 02 35 32.65 +11 40 24.5 r J75
2009-10-29 22:26:22 C 02 35 31.26 +11 39 10.0 r J75
2009-10-29 23:05:45 C 02 35 27.96 +11 36 43.4 17.7 r 084
2009-10-29 23:08:06 C 02 35 27.77 +11 36 34.3 17.5 r 084
2009-11-02 05:44:31 C 02 30 36.08 +07 01 32.0 u H45
2009-11-02 05:46:42 C 02 30 35.92 +07 01 23.8 u H45
2009-11-02 05:49:42 C 02 30 35.73 +07 01 14.5 u H45
2009-11-02 05:51:55 C 02 30 35.60 +07 01 06.8 u H45
2009-11-02 05:53:32 C 02 30 35.49 +07 01 00.6 u H45
2009-11-05 22:13:53 C 02 25 31.96 +02 12 12.8 17.2 o C20
2009-11-05 22:16:00 C 02 25 31.84 +02 12 06.5 17.5 o C20
2009-11-17 23:14:28 C 02 13 08.02 -10 02 15.1 18.8 o C20