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
2007-11-11 20:05:31 C 23 43 56.17 +37 35 03.5 c A24
2007-11-11 20:06:57 C 23 43 56.25 +37 35 01.1 c A24
2007-11-14 20:32:04 C 23 46 39.71 +35 11 13.8 c A24
2007-11-14 20:33:31 C 23 46 39.77 +35 11 11.4 c A24
2007-11-16 19:15:55 C 23 48 30.30 +33 47 03.4 c A24
2007-11-16 19:17:23 C 23 48 30.24 +33 47 02.7 c A24
2007-11-16 19:36:37 C 23 48 31.03 +33 46 27.9 c A24
2007-11-16 20:16:34 C 23 48 32.44 +33 45 18.2 c A24
2007-11-16 20:18:00 C 23 48 32.42 +33 45 16.3 c A24
2007-11-18 18:32:26 C 23 50 25.23 +32 28 14.8 r 240
2007-11-18 18:40:54 C 23 50 25.54 +32 28 01.0 r 240
2007-11-18 18:49:21 C 23 50 25.87 +32 27 48.1 r 240
2007-11-18 18:49:55 C 23 50 25.97 +32 27 48.3 c A24
2007-11-18 19:00:15 C 23 50 26.32 +32 27 31.2 r 240
2007-11-18 19:08:58 C 23 50 26.73 +32 27 18.0 c A24
2007-11-18 19:26:36 C 23 50 27.27 +32 26 49.1 c A24
2007-11-18 19:28:01 C 23 50 27.43 +32 26 46.0 c A24
2007-11-18 19:46:52 C 23 50 28.13 +32 26 17.3 c A24
2007-11-18 20:07:09 C 23 50 28.97 +32 25 44.7 c A24
2007-11-18 20:27:25 C 23 50 29.62 +32 25 12.6 c A24
2009-10-18 11:24:20 C 08 05 29.61 +20 21 43.7 r G96
2009-10-18 11:33:18 C 08 05 30.08 +20 21 40.2 r G96
2009-10-18 11:42:20 C 08 05 30.69 +20 21 36.6 r G96
2009-10-18 11:51:12 C 08 05 31.12 +20 21 33.4 r G96
2009-12-11 09:33:52 C 09 08 35.05 +04 24 21.6 r 703
2009-12-11 09:41:49 C 09 08 35.41 +04 24 09.0 r 703
2009-12-11 09:49:45 C 09 08 35.59 +04 23 55.1 r 703
2009-12-11 09:57:34 C 09 08 35.88 +04 23 43.4 r 703
2009-12-14 08:35:05 C 09 11 08.34 +02 23 10.4 19.6 c 704
2009-12-14 08:53:30 C 09 11 08.99 +02 22 36.2 19.0 c 704
2009-12-14 09:12:04 C 09 11 09.54 +02 22 01.4 18.7 c 704
2009-12-14 09:30:30 C 09 11 10.05 +02 21 28.0 19.1 c 704
2010-01-02 05:52:40 C 09 27 28.33 -25 05 48.6 r 448
2010-01-02 06:00:20 C 09 27 28.82 -25 06 40.2 r 448
2010-01-08 05:59:39 C 09 37 38.75 -46 36 56.5 r I20
2010-01-08 06:04:37 C 09 37 39.22 -46 37 51.4 r I20
2010-01-08 06:12:07 C 09 37 40.01 -46 39 14.8 r I20
2010-01-08 06:19:20 C 09 37 40.63 -46 40 35.1 r I20
2010-01-08 06:33:36 C 09 37 42.02 -46 43 13.3 r I20
2010-12-07 06:54:19 C 04 59 40.28 +28 57 45.1 20.5 c 704
2010-12-07 07:13:22 C 04 59 37.87 +28 57 38.6 20.5 c 704
2010-12-07 07:32:10 C 04 59 35.52 +28 57 30.4 20.2 c 704
2010-12-09 04:07:56 C 04 54 07.41 +28 37 50.1 r G96
2010-12-09 04:18:42 C 04 54 06.04 +28 37 45.3 r G96
2010-12-09 04:29:40 C 04 54 04.68 +28 37 40.6 r G96
2010-12-09 04:40:37 C 04 54 03.31 +28 37 35.7 r G96
2011-01-04 04:22:41 C 03 48 04.10 +22 41 19.2 r G96
2011-01-04 04:30:12 C 03 48 03.52 +22 41 14.6 r G96
2011-01-04 04:37:49 C 03 48 02.91 +22 41 10.3 r G96
2011-01-04 04:45:23 C 03 48 02.34 +22 41 05.9 r G96