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
1999-05-10 05:35:36 C 12 37 43.58 -00 34 11.8 c 699
1999-05-10 06:48:55 C 12 37 43.22 -00 30 32.5 c 699
1999-05-13 12:52:44 C 12 38 04.89 +03 14 29.9 360
1999-05-13 12:58:45 C 12 38 04.90 +03 14 46.3 360
1999-05-13 13:04:15 C 12 38 04.94 +03 15 01.4 360
1999-05-20 13:09:29 C 12 40 40.32 +10 13 14.8 360
1999-05-20 13:16:00 C 12 40 40.44 +10 13 29.5 360
1999-05-20 13:22:45 C 12 40 40.56 +10 13 44.5 360
1999-09-04 04:06:56 C 16 00 54.83 +25 35 48.6 c 658
1999-09-04 04:18:54 C 16 00 56.28 +25 35 43.4 c 658
1999-10-15 10:13:17 C 18 17 58.17 +15 53 03.0 413
1999-10-16 09:42:15 C 18 21 39.58 +15 35 31.6 413
1999-10-16 09:45:12 C 18 21 40.02 +15 35 27.3 413
2001-09-20 14:01:43 C 06 12 45.70 +13 39 39.7 c 568
2001-09-20 14:03:47 C 06 12 45.86 +13 39 37.1 c 568
2001-09-20 14:08:56 C 06 12 46.27 +13 39 30.7 c 568
2001-09-20 14:13:22 C 06 12 46.61 +13 39 25.1 c 568
2001-09-20 14:16:37 C 06 12 46.87 +13 39 21.1 c 568
2001-12-13 13:54:40 C 06 42 48.94 -38 58 37.4 c 474
2001-12-13 13:58:04 C 06 42 48.67 -38 58 41.0 c 474
2001-12-13 14:03:04 C 06 42 48.31 -38 58 45.8 c 474
2004-04-25 02:43:56 C 17 56 23.94 +03 45 39.8 012
2004-04-25 02:45:23 C 17 56 23.99 +03 45 45.6 012
2004-04-25 02:48:32 C 17 56 24.16 +03 45 55.8 012
2004-04-25 02:49:58 C 17 56 24.24 +03 46 00.2 012
2004-04-25 02:51:25 C 17 56 24.18 +03 46 03.6 012
2004-04-25 02:52:54 C 17 56 24.40 +03 46 08.8 012
2004-04-25 02:54:22 C 17 56 24.38 +03 46 16.0 012
2004-04-26 08:30:34 C 17 57 41.82 +05 25 56.6 18.2 c 704
2004-04-26 08:45:35 C 17 57 42.37 +05 26 47.5 18.4 c 704
2004-04-26 09:00:36 C 17 57 42.96 +05 27 38.5 18.5 c 704
2004-04-26 09:15:37 C 17 57 43.52 +05 28 29.7 18.5 c 704
2004-04-26 09:30:38 C 17 57 44.13 +05 29 20.6 18.4 c 704
2004-04-27 08:24:39 C 17 58 41.11 +06 47 21.7 18.5 c 704
2004-04-27 08:39:22 C 17 58 41.60 +06 48 12.6 18.5 c 704
2004-04-27 08:54:14 C 17 58 42.15 +06 49 02.9 18.6 c 704
2004-04-27 09:08:55 C 17 58 42.69 +06 49 53.1 18.6 c 704
2004-04-27 09:23:48 C 17 58 43.19 +06 50 44.2 19.0 c 704
2004-05-12 08:09:40 C 18 08 02.07 +27 35 17.3 18.3 c 704
2004-05-12 08:23:18 C 18 08 02.07 +27 36 01.5 19.3 c 704
2004-05-12 08:37:01 C 18 08 02.21 +27 36 48.5 18.7 c 704
2004-05-12 08:50:37 C 18 08 02.30 +27 37 34.0 18.8 c 704
2004-05-12 09:04:11 C 18 08 02.33 +27 38 18.9 18.8 c 704
2004-05-14 10:24:06 C 18 08 27.17 +30 19 36.6 c 688
2004-05-14 10:26:24 C 18 08 27.11 +30 19 43.5 c 688
2004-05-28 23:54:00 C 18 05 15.47 +46 21 43.0 o 240
2004-05-29 00:12:09 C 18 05 14.94 +46 22 23.5 o 240
2004-05-29 00:14:44 C 18 05 14.80 +46 22 29.9 o 240
2004-05-29 00:17:21 C 18 05 14.72 +46 22 35.6 o 240
2004-05-29 00:25:07 C 18 05 14.53 +46 22 53.7 o 240