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
2017-03-21 13:50:18 C 15 15 37.106 -41 55 27.96 L F51
2017-04-04 14:16:03 C 15 22 30.54 -34 39 53.3 L T05
2017-04-04 14:18:18 C 15 22 30.39 -34 39 50.3 L T05
2017-04-04 15:01:16 C 15 22 30.43 -34 38 30.5 L T05
2017-04-04 15:03:31 C 15 22 30.40 -34 38 26.8 L T05
2017-04-16 13:01:16 C 15 19 04.97 -23 19 16.8 L T05
2017-04-16 13:22:15 C 15 19 04.29 -23 18 13.2 L T05
2017-04-16 14:04:57 C 15 19 02.88 -23 16 05.3 L T05
2017-04-16 14:25:59 C 15 19 02.24 -23 15 01.6 L T05
2017-04-18 15:10:54 C 15 17 38.03 -20 43 20.7 q Q60
2017-04-18 15:20:04 C 15 17 37.70 -20 42 51.3 q Q60
2017-04-18 15:29:10 C 15 17 37.32 -20 42 21.7 q Q60
2017-04-20 08:40:26 C 15 16 15.03 -18 26 44.6 q 703
2017-04-20 08:46:48 C 15 16 14.81 -18 26 23.0 q 703
2017-04-20 08:53:08 C 15 16 14.53 -18 26 01.4 q 703
2017-04-20 08:59:29 C 15 16 14.29 -18 25 40.0 q 703
2017-04-20 13:50:45 C 15 16 03.27 -18 09 05.8 L T05
2017-04-20 14:08:55 C 15 16 02.59 -18 08 04.0 L T05
2017-04-20 14:27:48 C 15 16 01.74 -18 06 58.0 L T05
2017-04-20 15:04:07 C 15 16 00.28 -18 04 54.0 L T05
2017-04-24 07:36:48 C 15 12 33.15 -12 47 32.2 q 703
2017-04-24 07:44:32 C 15 12 32.78 -12 47 03.2 q 703
2017-04-24 07:52:14 C 15 12 32.38 -12 46 34.2 q 703
2017-04-24 07:59:56 C 15 12 32.01 -12 46 05.7 q 703
2017-04-28 12:23:08 C 15 07 55.193 -06 16 32.07 L F51
2017-04-28 12:38:41 C 15 07 54.335 -06 15 29.97 L F51
2017-04-28 12:54:14 C 15 07 53.479 -06 14 27.84 L F51
2017-04-29 00:24:00 C 15 07 20.29 -05 28 38.9 q 160
2017-04-29 00:26:03 C 15 07 20.18 -05 28 30.5 q 160
2017-04-29 00:28:06 C 15 07 20.07 -05 28 22.3 q 160
2017-04-30 00:29:46 C 15 06 08.36 -03 51 47.1 U 160
2017-04-30 00:31:39 C 15 06 08.26 -03 51 39.5 U 160
2017-04-30 00:33:25 C 15 06 08.16 -03 51 32.4 U 160
2017-05-02 06:37:16 C 15 03 22.93 -00 12 45.9 q G96
2017-05-02 06:45:23 C 15 03 22.46 -00 12 13.1 q G96
2017-05-02 06:53:32 C 15 03 21.99 -00 11 40.1 q G96
2017-05-02 07:01:52 C 15 03 21.50 -00 11 06.3 q G96
2017-05-02 09:00:34 C 15 03 14.56 -00 03 05.8 q 703
2017-05-02 09:08:18 C 15 03 14.16 -00 02 34.5 q 703
2017-05-02 09:21:35 C 15 03 13.38 -00 01 40.9 q 703
2017-05-02 09:29:16 C 15 03 12.92 -00 01 09.7 q 703
2017-05-02 09:29:58 C 15 03 12.88 -00 01 06.9 q 703
2017-05-02 09:30:40 C 15 03 12.85 -00 01 04.3 q 703
2017-05-02 09:31:22 C 15 03 12.81 -00 01 01.1 q 703
2017-05-02 09:32:04 C 15 03 12.78 -00 00 58.5 q 703
2017-05-05 05:35:45 C 14 59 39.00 +04 32 45.3 q 703
2017-05-05 05:43:30 C 14 59 38.54 +04 33 16.3 q 703
2017-05-05 05:51:14 C 14 59 38.09 +04 33 47.8 q 703
2017-05-05 05:58:58 C 14 59 37.63 +04 34 18.3 q 703
2017-05-05 07:17:51 C 14 59 32.51 +04 39 30.8 q H45