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
2020-11-13 07:15:54 C 04 35 13.55 +36 10 45.0 V G96
2020-11-13 07:23:18 C 04 35 12.67 +36 10 42.9 V G96
2020-11-13 07:30:42 C 04 35 11.79 +36 10 41.1 V G96
2020-11-22 06:37:16 C 04 09 26.01 +34 42 46.5 V G96
2020-11-22 06:44:42 C 04 09 25.11 +34 42 43.0 V G96
2020-11-22 06:52:07 C 04 09 24.18 +34 42 39.3 V G96
2020-11-22 06:59:32 C 04 09 23.27 +34 42 35.6 V G96
2020-12-09 09:26:02 C 03 24 01.724 +30 22 37.05 U F52
2020-12-09 09:41:51 C 03 24 00.196 +30 22 25.69 U F52
2020-12-09 09:57:38 C 03 23 58.679 +30 22 14.34 U F52
2020-12-09 10:13:22 C 03 23 57.162 +30 22 03.24 U F52
2020-12-17 06:04:02 C 03 08 19.75 +28 09 25.6 V G96
2020-12-17 06:11:25 C 03 08 19.19 +28 09 20.6 V G96
2020-12-17 06:18:49 C 03 08 18.65 +28 09 15.2 V G96
2020-12-17 06:26:11 C 03 08 18.08 +28 09 10.2 V G96
2021-01-06 08:21:15 C 02 46 18.474 +23 24 42.61 U F52
2021-01-06 08:40:31 C 02 46 18.019 +23 24 33.75 U F52
2021-01-06 08:59:47 C 02 46 17.586 +23 24 24.51 U F52
2021-01-08 03:16:37 C 02 45 29.07 +23 05 11.0 V G96
2021-01-08 03:24:52 C 02 45 28.93 +23 05 07.8 V G96
2021-01-08 03:33:11 C 02 45 28.79 +23 05 04.8 V G96
2021-01-08 03:41:24 C 02 45 28.60 +23 05 00.6 V G96
2021-09-27 17:39:17 S 06 50 51.487 +68 23 37.82 L C51
2021-09-27 22:21:29 S 06 48 28.404 +68 30 40.82 L C51
2021-09-27 23:55:33 S 06 47 40.260 +68 33 00.14 L C51
2021-09-28 01:29:37 S 06 46 52.003 +68 35 18.24 L C51
2021-09-28 01:29:48 S 06 46 52.010 +68 35 18.71 L C51
2021-09-29 08:52:26 S 06 30 04.596 +69 18 31.72 L C51
2021-10-03 14:28:44 C 05 27 21.96 +70 49 41.4 V T08
2021-10-03 14:32:04 C 05 27 19.86 +70 49 42.6 V T08
2021-10-03 14:47:46 C 05 27 08.88 +70 49 49.9 V T08
2021-10-03 15:02:31 C 05 26 58.62 +70 49 56.7 V T08
2021-10-07 12:45:09 C 04 22 31.42 +70 48 17.6 V T08
2021-10-07 12:46:29 C 04 22 30.39 +70 48 17.9 V T08
2021-10-07 12:47:48 C 04 22 29.39 +70 48 17.1 V T08
2021-10-07 12:49:08 C 04 22 28.48 +70 48 16.3 V T08
2021-10-07 12:53:50 C 04 22 24.96 +70 48 14.3 V T08
2021-10-07 12:54:30 C 04 22 24.51 +70 48 13.9 V T08
2021-10-11 10:54:57 C 03 21 20.19 +69 16 23.7 V T08
2021-10-11 11:32:42 C 03 20 57.02 +69 15 31.3 V T08
2021-10-11 11:35:21 C 03 20 55.43 +69 15 27.6 V T08
2021-10-11 11:53:59 C 03 20 43.99 +69 15 01.1 V T08
2021-10-11 11:56:39 C 03 20 42.40 +69 14 56.4 V T08
2021-10-11 12:01:18 C 03 20 39.55 +69 14 50.9 V T08
2021-10-11 12:08:35 C 03 20 34.99 +69 14 39.9 V T08
2021-10-13 11:42:33 C 02 53 46.09 +67 57 21.5 V T05
2021-10-13 12:30:35 C 02 53 20.28 +67 55 54.0 V T05
2021-10-13 12:35:18 C 02 53 17.58 +67 55 45.4 V T05
2021-10-13 12:44:35 C 02 53 12.53 +67 55 28.8 V T05
2021-10-15 10:06:04 C 02 30 48.83 +66 26 19.5 V T08