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
2009-11-17 23:29:46 C 02 13 07.54 -10 02 44.7 18.2 o C20
2009-11-18 05:07:47 C 02 12 58.32 -10 13 40.0 r 703
2009-11-18 05:18:16 C 02 12 57.92 -10 14 00.5 r 703
2009-11-18 05:28:40 C 02 12 57.52 -10 14 19.2 r 703
2009-11-18 05:39:01 C 02 12 57.20 -10 14 40.2 r 703
2009-11-23 22:03:10 C 02 09 42.79 -14 03 30.8 18.8 o C20
2009-11-23 22:09:31 C 02 09 42.66 -14 03 39.6 19.4 o C20
2009-11-24 21:40:39 C 02 09 19.46 -14 36 37.8 18.8 o C20
2009-11-24 21:44:53 C 02 09 19.39 -14 36 43.8 19.0 o C20
2009-11-25 05:36:37 C 02 09 12.67 -14 47 19.9 r 703
2009-11-25 05:48:09 C 02 09 12.45 -14 47 34.6 r 703
2009-11-25 06:00:27 C 02 09 12.27 -14 47 52.1 r 703
2009-11-26 21:51:02 C 02 08 40.85 -15 38 46.0 19.6 o C20
2009-11-26 21:55:16 C 02 08 40.72 -15 38 50.7 19.3 o C20
2009-11-27 17:24:19 C 02 08 29.40 -16 02 01.6 19.2 o C20
2009-11-27 17:30:47 C 02 08 29.32 -16 02 08.9 19.1 o C20
2009-12-12 14:08:49 C 02 10 00.06 -20 26 47.7 r E12
2012-03-10 07:02:05 C 10 46 56.82 -54 10 09.9 o 807
2012-03-10 07:12:21 C 10 46 56.10 -54 10 02.5 o 807
2012-03-10 07:23:08 C 10 46 55.43 -54 09 54.5 o 807
2012-05-10 23:14:48 C 10 51 20.15 -06 54 14.3 u 821
2012-05-10 23:17:41 C 10 51 20.32 -06 54 09.0 u 821
2012-05-10 23:20:34 C 10 51 20.50 -06 54 03.0 u 821
2012-05-21 05:07:22 C 11 08 50.96 +00 15 59.9 r 703
2012-05-21 05:17:07 C 11 08 51.68 +00 16 12.5 r 703
2012-05-21 05:26:51 C 11 08 52.40 +00 16 28.4 r 703
2012-05-21 05:36:36 C 11 08 53.01 +00 16 44.6 r 703
2014-10-26 08:37:28 C 06 05 58.05 -02 46 45.6 u 807
2014-10-26 08:41:47 C 06 05 58.03 -02 46 55.0 u 807
2014-10-26 08:46:31 C 06 05 58.01 -02 47 05.5 u 807
2014-11-12 12:08:20 C 05 57 17.621 -17 39 20.24 L F51
2014-11-12 12:40:43 C 05 57 16.113 -17 40 27.13 L F51
2014-11-12 12:56:57 C 05 57 15.364 -17 41 00.49 L F51
2014-11-22 09:14:12 C 05 44 32.07 -25 09 32.7 q 703
2014-11-22 09:21:24 C 05 44 31.54 -25 09 45.2 q 703
2014-11-22 09:28:36 C 05 44 30.96 -25 09 57.7 q 703
2014-11-22 09:35:48 C 05 44 30.55 -25 10 09.6 q 703
2014-12-08 05:39:47 C 05 16 23.69 -33 27 52.2 u 807
2014-12-08 05:48:37 C 05 16 22.96 -33 28 00.1 u 807
2014-12-08 05:57:14 C 05 16 22.25 -33 28 07.7 u 807
2014-12-09 05:29:46 C 05 14 31.53 -33 48 36.5 u 807
2014-12-09 05:32:33 C 05 14 31.29 -33 48 39.2 u 807
2014-12-09 05:34:51 C 05 14 31.06 -33 48 40.9 u 807
2014-12-09 05:37:26 C 05 14 30.85 -33 48 42.7 u 807
2014-12-09 05:40:01 C 05 14 30.65 -33 48 45.0 u 807
2015-01-04 03:37:08 C 04 35 35.59 -36 31 18.9 u 807
2015-01-04 03:44:28 C 04 35 35.28 -36 31 17.2 u 807
2015-01-04 03:51:30 C 04 35 35.02 -36 31 15.8 u 807
2017-03-21 13:27:40 C 15 15 36.392 -41 55 47.60 L F51
2017-03-21 13:39:00 C 15 15 36.750 -41 55 37.76 L F51