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
2004-11-10 11:05:07 C 09 42 47.59 +07 27 18.8 o 696
2004-11-10 11:08:32 C 09 42 48.01 +07 27 15.6 o 696
2005-12-07 09:17:24 C 05 50 42.40 +26 11 54.0 r 850
2005-12-07 09:32:59 C 05 50 40.37 +26 11 50.0 r 850
2005-12-07 10:50:56 C 05 50 30.97 +26 11 23.7 r 850
2005-12-18 19:30:36 C 05 14 39.92 +24 17 39.9 r A13
2005-12-18 19:54:27 C 05 14 36.70 +24 17 29.6 r A13
2005-12-25 06:43:00 C 04 53 26.98 +22 50 57.5 r G96
2005-12-25 06:50:04 C 04 53 26.01 +22 50 53.2 r G96
2005-12-25 06:57:04 C 04 53 25.04 +22 50 49.0 r G96
2005-12-25 07:04:04 C 04 53 24.10 +22 50 44.8 r G96
2005-12-25 09:53:49 C 04 53 01.24 +22 49 05.8 c 568
2005-12-28 02:01:23 C 04 44 32.69 +22 09 46.7 c 691
2005-12-28 02:16:09 C 04 44 30.70 +22 09 37.5 c 691
2005-12-28 02:30:56 C 04 44 28.76 +22 09 28.4 c 691
2006-01-06 04:42:54 C 04 18 14.76 +19 50 20.4 r G96
2006-01-06 04:52:05 C 04 18 13.71 +19 50 14.4 r G96
2006-01-06 05:01:07 C 04 18 12.74 +19 50 08.6 r G96
2006-01-06 05:10:10 C 04 18 11.70 +19 50 02.8 r G96
2006-01-13 20:38:53 C 04 00 30.28 +17 57 37.5 r 941
2006-01-13 20:40:28 C 04 00 30.17 +17 57 36.5 r 941
2006-01-13 20:43:38 C 04 00 29.92 +17 57 34.5 r 941
2006-01-13 20:46:47 C 04 00 29.70 +17 57 32.6 r 941
2006-01-24 03:26:25 C 03 43 42.99 +15 48 28.8 r G96
2006-01-24 03:33:52 C 03 43 42.56 +15 48 25.4 r G96
2006-01-24 03:41:21 C 03 43 42.09 +15 48 21.7 r G96
2006-01-24 03:48:49 C 03 43 41.73 +15 48 18.2 r G96
2006-01-28 03:58:13 C 03 39 14.40 +15 06 32.6 r G96
2006-01-28 04:06:04 C 03 39 14.11 +15 06 29.5 r G96
2006-01-28 04:14:00 C 03 39 13.68 +15 06 26.3 r G96
2006-01-28 04:21:53 C 03 39 13.42 +15 06 23.1 r G96
2007-10-07 18:28:24 C 09 57 49.78 +88 33 56.5 c A77
2007-10-07 18:31:13 C 09 57 37.72 +88 34 07.1 c A77
2007-10-07 18:33:59 C 09 57 26.80 +88 34 20.1 c A77
2007-10-07 18:36:43 C 09 57 12.12 +88 34 34.2 c A77
2007-10-07 18:42:13 C 09 56 43.65 +88 35 02.4 c A77
2007-10-07 18:55:57 C 09 55 38.35 +88 36 06.6 c A77
2007-10-31 21:19:54 C 23 35 30.10 +48 59 13.8 c A24
2007-10-31 21:30:40 C 23 35 30.34 +48 58 39.7 c A24
2007-10-31 21:34:43 C 23 35 30.41 +48 58 26.9 c A24
2007-10-31 21:49:34 C 23 35 30.72 +48 57 40.1 c A24
2007-10-31 21:53:38 C 23 35 30.79 +48 57 27.2 c A24
2007-10-31 22:04:24 C 23 35 31.03 +48 56 53.2 c A24
2007-11-04 18:26:26 C 23 38 12.56 +44 24 43.5 r 130
2007-11-04 18:30:03 C 23 38 12.66 +44 24 33.9 r 130
2007-11-04 18:32:12 C 23 38 12.69 +44 24 28.0 r 130
2007-11-04 18:35:05 C 23 38 12.77 +44 24 19.8 r 130
2007-11-11 19:09:01 C 23 43 54.48 +37 37 02.2 c A24
2007-11-11 19:10:26 C 23 43 54.47 +37 36 59.9 c A24
2007-11-11 19:28:19 C 23 43 55.03 +37 36 21.8 c A24