138893 (2000 YH66)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7436157463 ± 1.83e-08
Semi-major axis (a)1.1728848238 AU ± 1.23e-09
Inclination (i)18.35871670° ± 2.42e-06
Long. of Asc. Node (Ω)265.23919426° ± 4.55e-06
Arg. of Perihelion (ω)341.39952174° ± 3.89e-06
Mean Anomaly (M)137.20864144° ± 6.31e-06
Mean Motion (n)0.7759419391°/day ± 1.22e-09
Perihelion dist (q)0.30070920 AU ± 2.14e-08
Aphelion dist (Q)2.04506045 AU ± 2.15e-08
Orbital Period1.27023200 yr ± 2.00e-09
Physical Parameters
H (abs. magnitude)18.21
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.049″
Uncertainty0
Orbit TypeApollo
MOID0.164817 AU
Observations Used513
Gaia Obs Used36
Oppositions3
Arc Total2000-2016
First Observation Used2000-12-30
Last Observation Used2025-12-20
Observations (571)
Date Type RA Dec Mag Band Observatory
2015-12-10 07:37:05 C 04 06 33.278 +29 48 22.31 L F51
2015-12-10 07:52:01 C 04 06 31.594 +29 48 13.49 L F51
2015-12-10 08:07:01 C 04 06 29.884 +29 48 04.69 L F51
2015-12-16 06:33:14 C 03 51 30.703 +28 20 16.33 L F51
2015-12-16 07:09:12 C 03 51 27.067 +28 19 53.69 L F51
2015-12-16 07:27:07 C 03 51 25.253 +28 19 42.66 L F51
2016-01-08 08:08:51 C 03 13 06.510 +22 51 50.99 L F51
2016-01-08 08:48:04 C 03 13 04.907 +22 51 31.69 L F51
2016-01-08 09:07:46 C 03 13 04.120 +22 51 21.87 L F51
2016-02-06 06:47:10 C 03 07 18.261 +19 06 59.19 L F51
2016-02-06 07:05:52 C 03 07 18.566 +19 06 55.83 L F51
2016-02-06 07:24:29 C 03 07 18.849 +19 06 52.75 L F51
2016-02-06 07:43:07 C 03 07 19.115 +19 06 49.38 L F51
2016-10-22 11:52:41 C 03 43 53.39 +48 19 30.1 q G96
2016-10-22 11:58:53 C 03 43 52.24 +48 19 26.9 q G96
2016-10-22 12:05:13 C 03 43 51.02 +48 19 24.0 q G96
2016-10-22 12:11:28 C 03 43 49.90 +48 19 20.2 q G96
2016-10-30 10:36:48 C 03 08 49.37 +46 06 57.2 q G96
2016-10-30 10:45:21 C 03 08 47.80 +46 06 50.1 q G96
2016-10-30 10:53:51 C 03 08 46.28 +46 06 42.0 q G96
2016-11-09 06:18:55 C 02 30 33.09 +41 57 05.0 q G96
2016-11-09 06:28:51 C 02 30 31.63 +41 56 53.6 q G96
2016-11-09 06:38:26 C 02 30 30.25 +41 56 41.1 q G96
2016-11-10 08:51:06 C 02 26 49.829 +41 25 05.61 L F51
2016-11-10 09:08:21 C 02 26 47.382 +41 24 44.59 L F51
2016-11-10 09:25:38 C 02 26 44.940 +41 24 23.68 L F51
2016-11-10 09:42:57 C 02 26 42.486 +41 24 02.54 L F51
2016-11-23 05:18:15 C 01 53 30.17 +35 01 39.3 q G96
2016-11-23 05:24:31 C 01 53 29.67 +35 01 31.5 q G96
2016-11-23 05:30:40 C 01 53 29.16 +35 01 24.3 q G96
2016-11-23 05:36:59 C 01 53 28.64 +35 01 16.3 q G96
2016-12-06 03:30:43 C 01 36 31.56 +29 24 16.3 q G96
2016-12-06 03:36:52 C 01 36 31.34 +29 24 10.1 q G96
2016-12-06 03:43:03 C 01 36 31.13 +29 24 04.2 q G96
2016-12-06 03:49:13 C 01 36 30.90 +29 23 58.7 q G96
2018-11-12 14:49:41 C 10 13 51.099 +03 10 05.91 U F52
2018-11-12 14:57:57 C 10 13 52.291 +03 09 54.43 U F52
2018-11-12 15:06:14 C 10 13 53.489 +03 09 42.94 U F52
2019-12-17 09:00:29 C 05 41 25.65 +23 23 53.5 V G96
2019-12-17 09:07:57 C 05 41 24.57 +23 23 49.7 V G96
2019-12-17 09:15:26 C 05 41 23.51 +23 23 46.5 V G96
2019-12-17 09:22:53 C 05 41 22.44 +23 23 42.9 V G96
2019-12-24 23:58:27 C 05 14 55.24 +21 47 15.8 V C95
2019-12-25 00:03:46 C 05 14 54.39 +21 47 12.5 V C95
2019-12-25 00:09:05 C 05 14 53.70 +21 47 09.8 V C95
2020-01-05 03:37:06 C 04 37 05.11 +18 53 57.2 V G96
2020-01-05 03:45:40 C 04 37 03.96 +18 53 51.5 V G96
2020-01-05 03:54:13 C 04 37 02.82 +18 53 45.7 V G96
2020-01-05 04:02:47 C 04 37 01.65 +18 53 40.1 V G96
2020-11-13 07:08:29 C 04 35 14.40 +36 10 47.6 V G96