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
2000-12-30 05:28:20 C 05 36 25.42 +16 06 16.0 19.0 c 704
2000-12-30 05:49:55 C 05 36 21.48 +16 05 58.8 18.8 c 704
2000-12-30 06:11:39 C 05 36 17.39 +16 05 41.0 18.8 c 704
2000-12-30 06:33:16 C 05 36 13.40 +16 05 25.4 19.0 c 704
2000-12-30 06:54:43 C 05 36 09.38 +16 05 07.4 18.3 c 704
2000-12-31 11:01:28 C 05 31 00.58 +15 42 44.3 17.9 c 608
2000-12-31 11:17:41 C 05 30 57.55 +15 42 32.0 17.6 c 608
2000-12-31 11:33:29 C 05 30 54.58 +15 42 18.2 17.8 c 608
2000-12-31 22:25:00 C 05 28 55.20 +15 33 18.9 046
2000-12-31 22:27:00 C 05 28 54.97 +15 33 18.3 046
2000-12-31 22:28:05 C 05 28 54.66 +15 33 17.8 046
2000-12-31 22:29:10 C 05 28 54.45 +15 33 16.6 046
2001-01-01 00:26:34 C 05 28 32.53 +15 31 40.2 557
2001-01-01 00:28:49 C 05 28 32.11 +15 31 38.2 557
2001-01-01 00:31:07 C 05 28 31.68 +15 31 36.5 557
2001-01-01 00:33:23 C 05 28 31.25 +15 31 34.3 557
2001-01-01 00:35:40 C 05 28 30.81 +15 31 32.6 557
2001-01-01 00:40:14 C 05 28 29.91 +15 31 29.1 557
2001-01-02 21:01:55 C 05 20 19.73 +14 54 32.7 18.1 165
2001-01-02 21:08:24 C 05 20 18.42 +14 54 26.1 165
2001-01-02 21:15:40 C 05 20 17.07 +14 54 19.6 18.8 165
2001-01-02 21:24:47 C 05 20 15.31 +14 54 12.8 18.4 165
2001-01-02 22:53:30 C 05 19 58.47 +14 52 55.1 557
2001-01-02 22:55:26 C 05 19 58.12 +14 52 53.2 557
2001-01-02 22:57:24 C 05 19 57.65 +14 52 51.3 557
2001-01-02 23:01:18 C 05 19 57.05 +14 52 48.4 557
2001-01-02 23:07:09 C 05 19 55.87 +14 52 43.8 557
2001-01-03 05:08:43 C 05 18 49.45 +14 47 39.4 18.9 c 704
2001-01-03 05:31:51 C 05 18 45.08 +14 47 20.1 19.1 c 704
2001-01-03 05:54:16 C 05 18 40.89 +14 47 00.6 19.4 c 704
2001-01-03 06:15:26 C 05 18 36.89 +14 46 42.8 19.2 c 704
2001-01-03 06:52:11 C 05 18 29.92 +14 46 11.5 19.5 c 704
2001-01-03 20:33:56 C 05 15 58.57 +14 34 21.1 104
2001-01-03 20:37:52 C 05 15 57.83 +14 34 17.5 104
2001-01-03 20:50:59 C 05 15 55.29 +14 34 06.8 104
2001-01-03 21:04:09 C 05 15 52.83 +14 33 56.7 557
2001-01-03 21:06:07 C 05 15 52.47 +14 33 54.8 557
2001-01-03 21:10:01 C 05 15 51.77 +14 33 51.6 557
2001-01-03 21:13:54 C 05 15 51.04 +14 33 48.2 557
2001-01-03 21:15:51 C 05 15 50.66 +14 33 46.6 557
2001-01-03 22:06:34 C 05 15 41.06 +14 33 03.6 046
2001-01-03 22:08:32 C 05 15 40.74 +14 33 01.7 046
2001-01-04 03:29:35 C 05 14 42.09 +14 28 27.9 18.4 c 704
2001-01-04 03:47:36 C 05 14 38.66 +14 28 13.2 17.3 c 704
2001-01-04 03:51:27 C 05 14 37.93 +14 28 08.8 19.0 c 704
2001-01-04 04:09:04 C 05 14 34.53 +14 27 54.7 18.1 c 704
2001-01-04 04:14:00 C 05 14 33.72 +14 27 49.1 19.2 c 704
2001-01-04 04:30:25 C 05 14 30.64 +14 27 36.0 17.3 c 704
2001-01-04 04:35:49 C 05 14 29.61 +14 27 30.8 18.6 c 704
2001-01-04 04:53:12 C 05 14 26.34 +14 27 15.4 17.8 c 704