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
2024-12-21 08:05:02 C 04 32 50.420 +25 19 58.48 V G96
2024-12-21 08:12:26 C 04 32 49.463 +25 19 54.55 V G96
2024-12-21 08:19:51 C 04 32 48.620 +25 19 50.09 V G96
2024-12-25 10:08:57 C 04 21 33.797 +24 21 36.48 X F51
2024-12-25 10:26:11 C 04 21 31.843 +24 21 25.91 X F51
2024-12-25 10:43:08 C 04 21 29.917 +24 21 15.50 X F51
2024-12-25 11:00:04 C 04 21 28.004 +24 21 05.04 X F51
2024-12-26 14:55:28 C 04 18 24.71 +24 04 06.0 V D29
2024-12-26 15:15:47 C 04 18 22.41 +24 03 52.7 V D29
2024-12-26 15:36:06 C 04 18 20.11 +24 03 40.0 V D29
2025-01-02 05:14:48 C 04 02 35.354 +22 27 42.73 V G96
2025-01-02 05:22:21 C 04 02 34.667 +22 27 38.20 V G96
2025-01-02 05:29:57 C 04 02 33.947 +22 27 33.55 V G96
2025-01-02 05:37:30 C 04 02 33.241 +22 27 28.94 V G96
2025-01-03 05:32:39 C 04 00 25.117 +22 13 11.83 X F52
2025-01-03 05:46:28 C 04 00 23.871 +22 13 03.73 X F52
2025-01-03 06:00:15 C 04 00 22.618 +22 12 55.71 X F52
2025-02-20 05:41:05 C 03 30 32.366 +15 28 24.06 X F52
2025-02-20 05:48:23 C 03 30 32.504 +15 28 22.89 X F52
2025-02-20 05:55:40 C 03 30 32.659 +15 28 22.06 X F52
2025-02-20 06:02:58 C 03 30 32.821 +15 28 20.89 X F52
2025-03-21 03:19:51 C 03 57 45.979 +14 50 27.60 V V00
2025-03-21 03:27:56 C 03 57 46.411 +14 50 27.42 V V00
2025-03-21 03:36:00 C 03 57 46.843 +14 50 27.31 V V00
2025-03-21 03:44:06 C 03 57 47.272 +14 50 27.10 V V00
2025-10-24 07:42:14 C 04 46 02.629 +40 45 30.24 V G96
2025-10-24 07:49:46 C 04 46 01.765 +40 45 29.84 V G96
2025-10-24 07:59:05 C 04 46 00.779 +40 45 30.02 V G96
2025-10-24 08:06:36 C 04 46 00.016 +40 45 29.30 V G96
2025-11-11 08:59:14 C 03 53 12.542 +38 43 11.27 X F52
2025-11-11 09:00:09 C 03 53 12.427 +38 43 10.89 X F52
2025-11-11 09:16:53 C 03 53 10.156 +38 43 02.09 X F52
2025-11-11 09:17:49 C 03 53 10.032 +38 43 01.63 X F52
2025-11-11 09:34:35 C 03 53 07.770 +38 42 53.02 X F52
2025-11-11 09:35:31 C 03 53 07.638 +38 42 52.53 X F52
2025-11-11 09:40:43 C 03 53 06.403 +38 42 47.45 V G96
2025-11-11 09:49:38 C 03 53 05.197 +38 42 43.13 V G96
2025-11-11 09:52:21 C 03 53 05.360 +38 42 43.73 X F52
2025-11-11 09:53:16 C 03 53 05.242 +38 42 43.23 X F52
2025-11-11 09:58:35 C 03 53 04.016 +38 42 38.30 V G96
2025-11-11 10:06:01 C 03 53 03.008 +38 42 34.27 V G96
2025-11-21 15:16:20 C 03 21 35.66 +36 03 02.0 V D29
2025-11-21 15:37:58 C 03 21 33.01 +36 02 44.7 V D29
2025-11-21 15:59:36 C 03 21 30.36 +36 02 28.7 V D29
2025-11-24 13:34:04 C 03 13 19.58 +35 08 17.4 V D29
2025-11-24 13:54:26 C 03 13 17.29 +35 08 01.3 V D29
2025-11-27 09:11:03 C 03 05 50.540 +34 13 21.86 X F51
2025-11-27 09:28:32 C 03 05 48.624 +34 13 07.43 X F51
2025-11-27 09:46:01 C 03 05 46.704 +34 12 52.96 X F51
2025-11-27 13:32:21 C 03 05 22.88 +34 09 44.2 V D29