66400 (1999 LT7)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5725398288 ± 2.00e+00
Semi-major axis (a)0.8553544033 AU ± 3.00e+00
Inclination (i)9.06367143° ± 4.00e+00
Long. of Asc. Node (Ω)79.79168214° ± 5.00e+00
Arg. of Perihelion (ω)341.41501917° ± 6.00e+00
Mean Anomaly (M)25.61585849° ± 7.31e-06
Mean Motion (n)1.2459285367°/day ± 6.55e+00
Perihelion dist (q)0.36562994 AU ± 2.14e+00
Aphelion dist (Q)1.34507887 AU ± 5.02e+00
Orbital Period0.79107770 yr ± 4.16e+00
NGA Modelr2
A2-2.33381232e-06 AU/d²
Physical Parameters
H (abs. magnitude)19.27
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.315″
Uncertainty0
Orbit TypeAten
MOID0.058850 AU
Observations Used684
Oppositions10
Arc Total1987-2025
First Observation Used1999-06-09
Last Observation Used2025-06-22
Observations (839)
Date Type RA Dec Mag Band Observatory
1999-06-14 22:16:45 C 16 09 16.43 -20 42 14.2 b 120
1999-06-15 05:29:48 C 16 07 07.39 -20 43 13.7 18.6 a 704
1999-06-15 05:29:54 C 16 07 07.32 -20 43 13.2 18.6 a 704
1999-06-15 05:32:34 C 16 07 06.56 -20 43 13.6 18.5 a 704
1999-06-15 05:47:17 C 16 07 02.00 -20 43 15.2 18.9 a 704
1999-06-15 05:47:24 C 16 07 02.01 -20 43 15.5 18.8 a 704
1999-06-15 05:50:03 C 16 07 01.17 -20 43 15.5 19.0 a 704
1999-06-15 06:04:50 C 16 06 56.59 -20 43 18.1 18.7 a 704
1999-06-15 06:04:56 C 16 06 56.56 -20 43 17.9 18.6 a 704
1999-06-15 06:07:35 C 16 06 55.77 -20 43 18.4 18.8 a 704
1999-06-15 06:22:18 C 16 06 51.20 -20 43 20.5 18.9 a 704
1999-06-15 06:22:25 C 16 06 51.17 -20 43 20.1 19.2 a 704
1999-06-15 06:25:04 C 16 06 50.35 -20 43 20.7 18.9 a 704
1999-06-15 06:39:51 C 16 06 45.82 -20 43 22.1 18.5 a 704
1999-06-15 06:39:57 C 16 06 45.79 -20 43 22.5 18.8 a 704
1999-06-15 06:42:36 C 16 06 44.93 -20 43 23.0 18.6 a 704
1999-06-15 13:06:19 C 16 04 50.74 -20 43 38.6 426
1999-06-15 13:09:57 C 16 04 49.63 -20 43 38.8 426
1999-06-15 13:13:24 C 16 04 48.61 -20 43 39.1 426
1999-06-17 11:25:19 C 15 50 58.71 -20 47 36.3 z 428
1999-06-17 11:31:02 C 15 50 56.90 -20 47 37.0 z 428
1999-06-17 11:35:38 C 15 50 55.59 -20 47 37.1 z 428
1999-06-18 11:48:02 C 15 43 42.44 -20 48 15.2 z 428
1999-06-18 12:02:32 C 15 43 38.03 -20 48 15.2 z 428
1999-06-18 12:07:43 C 15 43 36.42 -20 48 15.0 z 428
1999-06-18 12:12:44 C 15 43 34.83 -20 48 15.1 z 428
1999-06-19 11:28:19 C 15 36 42.31 -20 47 57.2 z 428
1999-06-19 11:33:20 C 15 36 40.80 -20 47 56.5 z 428
1999-06-20 10:27:07 C 15 29 58.86 -20 46 47.9 z 428
1999-06-20 10:31:51 C 15 29 57.49 -20 46 48.3 z 428
1999-06-20 10:36:21 C 15 29 56.09 -20 46 47.6 z 428
1999-06-20 10:40:50 C 15 29 54.73 -20 46 47.6 z 428
1999-07-01 09:32:07 C 14 21 58.47 -19 51 29.0 z 428
1999-07-01 09:38:44 C 14 21 57.05 -19 51 26.8 z 428
1999-07-07 08:50:40 C 13 53 47.51 -19 08 06.8 z 428
1999-07-07 09:04:57 C 13 53 44.97 -19 08 03.1 z 428
1999-07-07 09:18:30 C 13 53 42.47 -19 07 58.0 z 428
2002-04-06 20:55:21 C 19 51 27.16 +60 04 17.1 c 540
2002-04-06 20:57:59 C 19 51 24.40 +60 04 30.7 c 540
2002-04-06 21:00:36 C 19 51 22.01 +60 04 42.3 c 540
2002-04-18 07:09:37 C 14 19 01.79 +55 18 26.4 c 670
2002-04-18 09:14:26 C 14 17 36.10 +55 07 32.9 c 670
2002-04-18 10:56:15 C 14 16 27.45 +54 58 31.7 c 670
2002-04-21 05:04:34 C 13 41 38.38 +49 12 54.0 c 699
2002-04-21 05:23:59 C 13 41 29.81 +49 11 15.8 c 699
2002-04-21 05:43:26 C 13 41 21.24 +49 09 37.7 c 699
2002-04-21 06:02:51 C 13 41 12.67 +49 07 59.7 c 699
2002-04-21 06:45:04 C 13 40 54.71 +49 04 25.2 c 670
2002-04-21 08:00:05 C 13 40 21.80 +48 58 04.4 c 670
2002-04-21 09:49:42 C 13 39 34.38 +48 48 41.6 c 670