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
2009-10-01 08:13:54 C 03 13 54.66 +46 34 28.5 18.9 c 704
2009-10-11 00:11:37 C 03 04 25.21 +37 26 45.8 17.9 o C20
2009-10-12 01:24:42 C 03 03 02.64 +36 15 02.3 18.1 o C20
2009-10-13 00:39:02 C 03 01 44.25 +35 06 52.0 17.9 o C20
2009-10-13 00:42:08 C 03 01 44.05 +35 06 42.6 18.2 o C20
2009-10-14 02:30:08 C 03 00 13.94 +33 48 40.5 w 160
2009-10-14 02:31:24 C 03 00 13.86 +33 48 37.0 w 160
2009-10-14 02:38:49 C 03 00 13.38 +33 48 14.0 w 160
2009-10-18 05:26:30 C 02 54 06.02 +28 28 31.2 u H45
2009-10-18 05:27:40 C 02 54 05.98 +28 28 27.5 u H45
2009-10-18 05:28:50 C 02 54 05.87 +28 28 23.5 u H45
2009-10-18 05:30:43 C 02 54 05.76 +28 28 17.4 u H45
2009-10-18 05:31:36 C 02 54 05.70 +28 28 14.2 u H45
2009-10-20 05:52:14 C 02 50 55.50 +25 41 23.1 u H45
2009-10-20 05:54:23 C 02 50 55.35 +25 41 15.4 u H45
2009-10-20 05:56:27 C 02 50 55.21 +25 41 08.3 u H45
2009-10-20 05:58:20 C 02 50 55.04 +25 41 01.6 u H45
2009-10-20 06:00:29 C 02 50 54.91 +25 40 54.1 u H45
2009-10-21 16:01:50 C 02 48 38.47 +23 40 20.6 r 379
2009-10-21 16:11:09 C 02 48 37.84 +23 39 46.9 r 379
2009-10-21 16:13:49 C 02 48 37.64 +23 39 37.4 r 379
2009-10-21 16:16:30 C 02 48 37.40 +23 39 27.8 r 379
2009-10-22 08:42:23 C 02 47 31.45 +22 40 30.4 r 703
2009-10-22 08:53:18 C 02 47 30.66 +22 39 51.5 r 703
2009-10-22 09:04:26 C 02 47 29.86 +22 39 10.9 r 703
2009-10-22 09:15:32 C 02 47 29.04 +22 38 31.2 r 703
2009-10-22 18:15:31 C 02 46 52.43 +22 06 00.6 o 300
2009-10-22 18:18:02 C 02 46 52.24 +22 05 51.1 o 300
2009-10-22 18:20:33 C 02 46 52.09 +22 05 42.3 o 300
2009-10-22 18:23:04 C 02 46 51.89 +22 05 32.9 o 300
2009-10-22 18:25:36 C 02 46 51.72 +22 05 23.9 o 300
2009-10-22 18:35:42 C 02 46 50.99 +22 04 46.9 o 300
2009-10-22 18:38:13 C 02 46 50.80 +22 04 37.6 o 300
2009-10-22 18:40:45 C 02 46 50.64 +22 04 28.6 o 300
2009-10-22 18:43:17 C 02 46 50.45 +22 04 19.3 o 300
2009-10-23 06:41:09 C 02 46 03.64 +21 21 01.5 17.4 c 704
2009-10-23 07:00:37 C 02 46 02.19 +21 19 51.3 17.9 c 704
2009-10-23 07:20:04 C 02 46 00.78 +21 18 40.9 17.8 c 704
2009-10-23 07:39:32 C 02 45 59.36 +21 17 30.0 17.7 c 704
2009-10-23 07:59:02 C 02 45 57.92 +21 16 19.2 17.6 c 704
2009-10-24 07:25:46 C 02 44 23.82 +19 50 57.7 o 691
2009-10-24 07:50:31 C 02 44 22.02 +19 49 27.0 o 691
2009-10-24 08:12:03 C 02 44 20.02 +19 48 06.9 u H45
2009-10-24 08:13:47 C 02 44 19.89 +19 48 00.5 u H45
2009-10-24 08:15:16 C 02 44 19.78 +19 47 55.3 u H45
2009-10-24 08:16:59 C 02 44 19.66 +19 47 48.9 u H45
2009-10-24 08:18:50 C 02 44 19.54 +19 47 42.3 u H45
2009-10-25 00:38:08 C 02 43 14.21 +18 47 59.4 w 160
2009-10-25 00:41:55 C 02 43 13.96 +18 47 45.4 w 160
2009-10-25 00:45:34 C 02 43 13.69 +18 47 32.5 w 160