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
2011-01-28 03:28:17 C 03 23 19.75 +18 20 54.7 r G96
2011-01-28 03:38:23 C 03 23 19.57 +18 20 51.4 r G96
2011-01-28 03:48:23 C 03 23 19.42 +18 20 48.5 r G96
2011-01-28 03:58:26 C 03 23 19.28 +18 20 45.2 r G96
2011-11-18 04:03:03 C 03 14 23.35 +37 33 09.1 r G96
2011-11-18 04:13:01 C 03 14 22.05 +37 33 01.0 r G96
2011-11-18 04:23:00 C 03 14 20.72 +37 32 53.1 r G96
2011-11-18 04:40:20 C 03 14 18.52 +37 32 39.5 r G96
2012-10-21 02:09:42 C 17 22 37.59 +14 48 30.9 r G96
2012-10-21 02:17:06 C 17 22 41.01 +14 48 42.2 r G96
2012-10-21 02:24:26 C 17 22 44.32 +14 48 52.7 r G96
2012-10-21 02:31:53 C 17 22 47.74 +14 49 03.8 r G96
2012-10-22 02:27:47 C 17 33 55.00 +15 23 46.1 r G96
2012-10-22 02:42:31 C 17 34 01.81 +15 24 06.7 r G96
2012-10-22 02:49:56 C 17 34 05.23 +15 24 17.3 r G96
2014-11-03 10:12:37 C 07 40 53.88 +22 50 01.3 q G96
2014-11-03 10:20:39 C 07 40 54.04 +22 49 59.3 q G96
2014-11-03 10:28:37 C 07 40 54.17 +22 49 57.6 q G96
2014-11-03 10:36:42 C 07 40 54.31 +22 49 56.0 q G96
2014-11-17 11:51:43 C 07 42 26.47 +21 22 31.0 q G96
2014-11-17 12:00:30 C 07 42 26.39 +21 22 28.3 q G96
2014-11-17 12:09:16 C 07 42 26.26 +21 22 25.5 q G96
2014-11-17 12:18:03 C 07 42 26.19 +21 22 23.4 q G96
2014-11-26 10:44:11 C 07 37 50.439 +20 17 37.12 L F51
2014-11-26 11:20:38 C 07 37 49.108 +20 17 25.55 L F51
2014-11-26 11:38:51 C 07 37 48.433 +20 17 19.71 L F51
2014-11-29 08:59:11 C 07 35 04.50 +19 53 53.9 u H21
2014-11-29 09:03:25 C 07 35 04.29 +19 53 53.0 u H21
2014-11-29 09:08:00 C 07 35 04.07 +19 53 51.7 u H21
2014-11-29 09:12:20 C 07 35 03.84 +19 53 50.5 u H21
2014-11-30 11:07:22 C 07 33 51.94 +19 44 43.5 q 448
2014-11-30 11:31:04 C 07 33 50.76 +19 44 34.7 q 448
2014-11-30 12:12:43 C 07 33 48.60 +19 44 19.9 q 448
2014-12-24 07:18:59 C 06 34 51.23 +14 43 02.2 R G45
2014-12-24 07:31:34 C 06 34 49.05 +14 42 52.4 R G45
2014-12-24 07:40:55 C 06 34 47.45 +14 42 45.0 R G45
2014-12-24 07:47:02 C 06 34 46.41 +14 42 40.2 R G45
2014-12-26 22:48:21 C 06 23 43.59 +13 50 43.3 q 160
2014-12-26 22:50:56 C 06 23 43.11 +13 50 40.9 q 160
2014-12-26 22:52:44 C 06 23 42.75 +13 50 39.2 q 160
2014-12-26 23:05:59 C 06 23 40.35 +13 50 27.4 c A24
2014-12-26 23:07:01 C 06 23 40.15 +13 50 26.5 c A24
2014-12-27 00:37:09 C 06 23 23.35 +13 49 08.5 c A24
2014-12-27 06:58:17 C 06 22 13.63 +13 43 39.4 R G45
2014-12-27 07:05:45 C 06 22 12.17 +13 43 34.2 R G45
2014-12-27 07:11:43 C 06 22 11.06 +13 43 29.2 R G45
2014-12-27 07:15:13 C 06 22 10.41 +13 43 26.0 R G45
2014-12-27 07:21:17 C 06 22 09.35 +13 43 19.9 R G45
2014-12-29 06:33:29 C 06 13 12.34 +13 00 42.3 R G45
2014-12-29 06:33:33 C 06 13 12.29 +13 00 42.1 R G45