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
2022-11-25 04:21:27 C 00 10 56.870 -05 06 28.12 V 703
2022-11-25 04:29:04 C 00 10 57.418 -05 06 40.68 V 703
2022-11-25 06:56:42 C 00 11 09.386 -05 09 58.75 V T05
2022-11-25 07:01:54 C 00 11 09.746 -05 10 05.66 V T05
2022-11-25 07:11:54 C 00 11 10.543 -05 10 17.83 V T05
2022-11-25 07:39:41 C 00 11 12.595 -05 10 57.72 V T05
2022-11-28 01:06:25 C 00 16 27.096 -06 34 13.51 V W68
2022-11-28 01:22:04 C 00 16 28.322 -06 34 32.41 V W68
2022-11-28 01:27:15 C 00 16 28.812 -06 34 38.28 V W68
2022-11-28 01:35:04 C 00 16 29.359 -06 34 47.39 V W68
2022-11-28 04:11:04 C 00 16 41.815 -06 38 07.98 V 703
2022-11-28 04:18:42 C 00 16 42.452 -06 38 17.30 V 703
2022-11-28 04:26:20 C 00 16 43.021 -06 38 24.54 V 703
2022-11-28 04:33:59 C 00 16 43.594 -06 38 34.84 V 703
2025-05-22 03:28:49 C 10 10 44.620 -04 11 55.32 V G96
2025-05-22 03:38:41 C 10 10 45.570 -04 11 44.56 V G96
2025-05-22 03:46:55 C 10 10 46.312 -04 11 35.59 V G96
2025-05-22 03:55:10 C 10 10 47.125 -04 11 26.81 V G96
2025-06-14 14:52:20 C 11 07 55.572 +03 35 37.82 W O18
2025-06-14 15:03:43 C 11 07 56.733 +03 35 44.55 W O18
2025-06-15 14:52:56 C 11 10 26.241 +03 49 51.68 W O18
2025-06-15 15:04:47 C 11 10 27.483 +03 49 58.66 W O18