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
2001-01-04 04:57:39 C 05 14 25.49 +14 27 11.5 18.7 c 704
2001-01-04 05:39:20 C 05 14 17.95 +14 26 33.8 670
2001-01-04 06:16:37 C 05 14 10.87 +14 26 02.4 670
2001-01-09 19:57:14 C 04 49 53.09 +12 27 04.2 540
2001-01-09 20:04:06 C 04 49 51.77 +12 26 58.4 540
2001-01-09 20:12:20 C 04 49 50.36 +12 26 50.2 540
2001-01-13 18:51:09 C 04 33 31.12 +11 01 27.0 118
2001-01-13 19:06:36 C 04 33 28.52 +11 01 13.1 118
2001-01-14 20:38:51 C 04 29 14.83 +10 38 24.8 118
2001-01-14 20:48:36 C 04 29 13.23 +10 38 16.2 118
2001-01-17 08:08:40 C 04 19 45.58 +09 46 11.9 19.9 c 608
2001-01-17 08:23:02 C 04 19 43.28 +09 45 59.7 19.7 c 608
2001-01-17 08:37:33 C 04 19 40.98 +09 45 47.2 19.6 c 608
2001-01-22 08:26:53 C 04 02 13.80 +08 05 33.8 19.4 c 608
2001-01-22 08:40:47 C 04 02 11.86 +08 05 22.6 19.0 c 608
2001-01-22 08:56:00 C 04 02 09.74 +08 05 10.4 18.9 c 608
2001-01-29 11:10:58 C 03 41 22.43 +05 58 03.7 360
2001-01-29 11:14:53 C 03 41 22.04 +05 58 01.3 360
2001-01-29 11:21:12 C 03 41 21.29 +05 57 56.6 360
2001-02-02 02:20:21 C 03 32 27.05 +05 00 27.2 711
2001-02-02 02:30:51 C 03 32 26.05 +05 00 17.8 711
2001-02-15 17:56:21 C 03 06 42.66 +01 58 54.0 557
2001-02-15 18:02:55 C 03 06 42.23 +01 58 50.2 557
2001-02-15 18:06:13 C 03 06 42.02 +01 58 49.6 557
2001-11-16 01:36:39 C 04 57 31.30 +34 26 10.6 c 046
2001-11-16 01:38:59 C 04 57 30.96 +34 26 10.1 c 046
2001-11-16 01:41:25 C 04 57 30.70 +34 26 09.8 c 046
2001-11-16 01:43:45 C 04 57 30.46 +34 26 09.3 c 046
2001-11-16 01:46:35 C 04 57 30.12 +34 26 08.0 c 046
2001-11-17 22:30:29 C 04 52 35.11 +34 14 29.6 c 046
2001-11-17 22:33:00 C 04 52 34.80 +34 14 28.7 c 046
2001-11-17 22:55:31 C 04 52 32.35 +34 14 23.5 c 046
2001-11-17 23:12:53 C 04 52 30.33 +34 14 18.2 c 046
2001-11-17 23:15:38 C 04 52 30.01 +34 14 18.2 c 046
2001-11-17 23:19:15 C 04 52 29.63 +34 14 17.1 c 046
2001-11-18 05:43:54 C 04 51 46.93 +34 12 31.0 715
2001-11-18 05:47:36 C 04 51 46.43 +34 12 29.2 715
2001-11-18 05:51:19 C 04 51 46.01 +34 12 28.4 715
2002-01-06 03:51:37 C 03 05 23.83 +23 22 33.2 o 644
2002-09-07 00:14:43 C 06 05 56.78 +48 50 52.0 d 540
2002-09-07 00:21:58 C 06 05 56.29 +48 50 56.0 d 540
2002-09-09 11:23:02 C 06 01 51.25 +49 20 30.4 c 848
2002-09-09 11:32:41 C 06 01 50.33 +49 20 33.8 c 848
2002-09-09 11:41:34 C 06 01 49.74 +49 20 38.8 c 848
2002-09-09 11:48:41 C 06 01 49.35 +49 20 42.7 c 848
2002-11-25 05:16:29 C 01 26 17.76 +33 33 29.8 c 649
2002-11-25 05:21:36 C 01 26 17.63 +33 33 21.1 c 649
2002-11-25 05:29:17 C 01 26 17.07 +33 33 12.3 c 649
2003-12-26 16:22:49 C 22 17 30.26 +05 48 51.8 o 461
2003-12-26 16:40:57 C 22 17 33.31 +05 49 04.5 o 461