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
2022-10-21 11:56:41 C 23 03 03.161 +32 01 52.18 V T05
2022-10-21 12:40:20 C 23 03 06.674 +31 59 09.96 V T05
2022-10-21 12:48:13 C 23 03 07.320 +31 58 40.37 V T05
2022-10-22 19:33:30 C 23 05 41.51 +30 05 33.8 V 130
2022-10-22 19:35:25 C 23 05 41.70 +30 05 27.2 V 130
2022-10-22 19:38:17 C 23 05 41.90 +30 05 16.7 V 130
2022-10-23 07:57:54 C 23 06 42.502 +29 20 10.61 V T08
2022-10-23 08:02:33 C 23 06 42.866 +29 19 53.47 V T08
2022-10-23 08:38:54 C 23 06 45.619 +29 17 39.73 V T08
2022-10-23 08:46:58 C 23 06 46.226 +29 17 10.00 V T08
2022-10-24 00:20:32 C 23 08 04.57 +28 20 02.5 V W46
2022-10-24 00:35:06 C 23 08 05.68 +28 19 09.8 V W46
2022-10-24 00:51:41 C 23 08 06.97 +28 18 09.2 V W46
2022-10-24 07:24:10 C 23 08 38.861 +27 54 20.45 V T08
2022-10-24 07:28:11 C 23 08 39.156 +27 54 05.90 V T08
2022-10-24 07:39:08 C 23 08 39.989 +27 53 25.69 V T08
2022-10-24 07:53:21 C 23 08 41.062 +27 52 33.74 V T08
2022-10-27 03:51:33 C 23 14 18.186 +23 46 49.44 V 703
2022-10-27 03:59:02 C 23 14 18.751 +23 46 22.69 V 703
2022-10-27 04:06:31 C 23 14 19.309 +23 45 56.23 V 703
2022-10-27 04:14:01 C 23 14 19.900 +23 45 29.52 V 703
2022-10-27 07:54:01 C 23 14 37.776 +23 32 30.98 V T08
2022-10-27 07:58:01 C 23 14 38.102 +23 32 16.66 V T08
2022-10-27 08:06:16 C 23 14 38.710 +23 31 47.46 V T08
2022-10-27 08:23:02 C 23 14 39.991 +23 30 47.34 V T08
2022-10-27 18:27:37 C 23 15 30.80 +22 54 53.6 V M26
2022-10-27 18:35:46 C 23 15 31.44 +22 54 24.7 V M26
2022-10-27 18:43:56 C 23 15 32.08 +22 53 56.3 V M26
2022-10-29 07:43:29 C 23 18 34.637 +20 44 39.66 V T05
2022-10-29 07:48:41 C 23 18 35.074 +20 44 21.70 V T05
2022-10-29 07:58:33 C 23 18 35.813 +20 43 47.96 V T05
2022-10-30 03:40:15 C 23 20 13.758 +19 36 06.55 V 703
2022-10-30 03:48:06 C 23 20 14.312 +19 35 39.66 V 703
2022-10-30 03:55:45 C 23 20 14.932 +19 35 13.60 V 703
2022-10-30 04:03:23 C 23 20 15.518 +19 34 47.71 V 703
2022-10-30 08:08:29 C 23 20 35.352 +19 20 58.06 V T05
2022-10-30 08:13:43 C 23 20 35.750 +19 20 39.91 V T05
2022-10-30 08:21:12 C 23 20 36.295 +19 20 14.82 V T05
2022-10-30 08:36:19 C 23 20 37.462 +19 19 23.30 V T05
2022-10-30 11:40:57 C 23 20 53.58 +19 08 52.5 V D29
2022-10-30 12:01:18 C 23 20 55.16 +19 07 43.4 V D29
2022-10-30 12:21:40 C 23 20 56.72 +19 06 34.8 V D29
2022-10-31 08:11:36 C 23 22 34.246 +18 00 01.84 V T08
2022-10-31 08:15:37 C 23 22 34.562 +17 59 48.37 V T08
2022-10-31 08:23:35 C 23 22 35.177 +17 59 21.91 V T08
2022-10-31 08:37:39 C 23 22 36.257 +17 58 34.90 V T08
2022-11-01 08:00:41 C 23 24 32.023 +16 41 29.26 V T08
2022-11-01 08:05:22 C 23 24 32.366 +16 41 13.74 V T08
2022-11-01 08:16:02 C 23 24 33.214 +16 40 38.96 V T08
2022-11-01 08:30:44 C 23 24 34.301 +16 39 51.16 V T08