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
2021-11-15 05:08:43 C 00 30 56.22 +36 57 51.3 V 703
2021-11-15 05:17:04 C 00 30 56.16 +36 57 36.0 V 703
2021-11-27 08:14:40 C 00 29 43.649 +29 42 53.32 U F52
2021-11-27 08:29:19 C 00 29 43.753 +29 42 35.55 U F52
2021-11-27 08:44:03 C 00 29 43.865 +29 42 17.56 U F52
2021-11-27 08:58:49 C 00 29 43.980 +29 41 59.56 U F52
2021-12-08 03:06:39 C 00 34 44.73 +25 24 25.1 V G96
2021-12-08 03:14:53 C 00 34 44.89 +25 24 18.0 V G96
2021-12-08 03:23:06 C 00 34 45.09 +25 24 12.2 V G96
2021-12-08 03:31:18 C 00 34 45.30 +25 24 05.3 V G96
2023-10-15 14:00:57 C 08 12 29.980 +19 28 00.87 X F52
2023-10-15 14:18:30 C 08 12 31.164 +19 27 53.65 X F52
2023-10-15 14:35:59 C 08 12 32.323 +19 27 46.08 X F52
2023-10-15 14:53:29 C 08 12 33.486 +19 27 38.59 X F52
2023-12-10 14:32:02 C 09 53 54.900 -00 57 24.36 X F52
2023-12-10 15:02:10 C 09 53 58.067 -00 58 27.01 X F52
2023-12-10 15:17:12 C 09 53 59.640 -00 58 58.18 X F52
2023-12-10 15:24:53 C 09 54 00.454 -00 59 14.86 V T05
2023-12-10 15:30:58 C 09 54 01.078 -00 59 26.41 V T05
2023-12-10 15:37:00 C 09 54 01.716 -00 59 38.83 V T05
2023-12-10 15:41:02 C 09 54 02.165 -00 59 47.72 V T05
2023-12-11 10:29:41 C 09 56 07.634 -01 39 44.96 V 703
2023-12-11 10:32:55 C 09 56 08.095 -01 39 50.76 V 703
2023-12-11 10:39:24 C 09 56 08.729 -01 40 04.55 V 703
2023-12-13 09:29:55 C 10 01 36.862 -03 26 26.56 V 703
2023-12-13 09:32:49 C 10 01 37.193 -03 26 34.66 V 703
2023-12-13 09:38:38 C 10 01 37.852 -03 26 48.12 V 703
2023-12-13 14:31:23 C 10 02 13.227 -03 38 27.34 X F52
2023-12-13 14:47:26 C 10 02 15.105 -03 39 05.96 X F52
2023-12-13 14:48:21 C 10 02 15.225 -03 39 08.37 X F52
2023-12-13 15:04:22 C 10 02 17.117 -03 39 47.04 X F52
2023-12-13 15:05:18 C 10 02 17.217 -03 39 49.23 X F52
2023-12-13 15:21:17 C 10 02 19.108 -03 40 27.77 X F52
2023-12-13 15:22:12 C 10 02 19.212 -03 40 30.02 X F52
2023-12-21 06:41:38 C 10 29 31.714 -12 47 47.15 V W68
2023-12-21 06:46:14 C 10 29 32.498 -12 48 04.79 V W68
2023-12-21 06:54:43 C 10 29 34.027 -12 48 36.04 V W68
2023-12-21 07:09:05 C 10 29 36.598 -12 49 29.24 V W68
2023-12-22 01:05:51 C 10 32 58.188 -13 56 46.75 V M22
2023-12-22 01:10:28 C 10 32 59.023 -13 57 04.43 V M22
2023-12-22 01:19:00 C 10 33 00.612 -13 57 37.19 V M22
2023-12-22 01:44:53 C 10 33 05.472 -13 59 17.70 V M22
2024-12-05 07:07:21 C 05 20 34.526 +28 25 16.93 V G96
2024-12-05 07:14:45 C 05 20 33.608 +28 25 14.23 V G96
2024-12-05 07:22:11 C 05 20 32.687 +28 25 11.64 V G96
2024-12-05 07:29:35 C 05 20 31.762 +28 25 09.16 V G96
2024-12-19 11:31:56 C 04 38 11.297 +25 45 35.35 X F51
2024-12-19 11:49:56 C 04 38 09.073 +25 45 24.88 X F51
2024-12-19 12:07:49 C 04 38 06.855 +25 45 14.68 X F51
2024-12-21 07:57:38 C 04 32 51.281 +25 20 02.90 V G96