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
1987-04-21 07:47:59 15 32 14.33 +27 38 55.6 675
1987-04-21 08:48:00 15 31 48.40 +27 38 00.6 675
1999-06-09 07:31:35 C 16 48 23.21 -20 08 06.1 18.4 a 704
1999-06-09 07:45:03 C 16 48 19.33 -20 08 10.9 18.1 a 704
1999-06-09 08:11:57 C 16 48 11.59 -20 08 19.9 17.9 a 704
1999-06-09 08:25:24 C 16 48 07.75 -20 08 25.5 18.4 a 704
1999-06-10 05:38:20 C 16 42 12.88 -20 15 26.4 17.5 a 704
1999-06-10 05:38:27 C 16 42 12.85 -20 15 26.4 17.5 a 704
1999-06-10 05:41:21 C 16 42 09.92 -20 14 57.2 z 860
1999-06-10 05:56:36 C 16 42 05.51 -20 15 01.5 z 860
1999-06-10 05:59:15 C 16 42 06.82 -20 15 33.3 18.2 a 704
1999-06-10 05:59:21 C 16 42 06.77 -20 15 33.5 18.2 a 704
1999-06-10 06:05:31 C 16 42 02.93 -20 15 03.3 z 860
1999-06-10 06:20:05 C 16 42 00.77 -20 15 39.9 18.1 a 704
1999-06-10 06:20:11 C 16 42 00.72 -20 15 40.0 18.3 a 704
1999-06-10 06:40:58 C 16 41 54.66 -20 15 46.2 18.0 a 704
1999-06-10 06:41:04 C 16 41 54.63 -20 15 46.4 18.0 a 704
1999-06-10 07:01:51 C 16 41 48.60 -20 15 53.3 17.9 a 704
1999-06-10 07:01:58 C 16 41 48.52 -20 15 53.0 17.9 a 704
1999-06-10 14:22:20 C 16 39 43.28 -20 17 38.4 z 428
1999-06-10 14:27:08 C 16 39 41.98 -20 17 39.7 z 428
1999-06-10 14:31:39 C 16 39 40.57 -20 17 41.0 z 428
1999-06-10 21:02:39 C 16 37 50.42 -20 20 16.2 d 046
1999-06-10 21:03:43 C 16 37 50.04 -20 20 16.0 d 046
1999-06-10 21:06:59 C 16 37 49.13 -20 20 15.9 d 046
1999-06-11 12:33:36 C 16 33 22.57 -20 24 06.3 z 428
1999-06-11 15:03:44 C 16 32 38.55 -20 25 20.0 360
1999-06-11 15:06:59 C 16 32 37.58 -20 25 20.8 360
1999-06-11 15:10:15 C 16 32 36.61 -20 25 21.9 360
1999-06-12 22:15:31 C 16 23 32.25 -20 33 12.5 557
1999-06-12 22:17:38 C 16 23 31.56 -20 33 13.4 557
1999-06-12 22:19:24 C 16 23 31.03 -20 33 12.8 557
1999-06-13 13:23:26 C 16 19 04.44 -20 35 50.0 426
1999-06-13 13:27:03 C 16 19 03.32 -20 35 50.8 426
1999-06-13 13:30:44 C 16 19 02.23 -20 35 51.6 426
1999-06-14 04:01:26 C 16 14 44.45 -20 39 10.6 18.2 a 704
1999-06-14 04:19:11 C 16 14 39.02 -20 39 13.3 18.4 a 704
1999-06-14 04:36:55 C 16 14 33.61 -20 39 17.2 19.2 a 704
1999-06-14 04:54:40 C 16 14 28.12 -20 39 20.2 18.4 a 704
1999-06-14 05:31:31 C 16 14 16.89 -20 39 26.8 18.3 a 704
1999-06-14 05:49:19 C 16 14 11.49 -20 39 31.2 18.6 a 704
1999-06-14 06:07:09 C 16 14 05.95 -20 39 33.3 18.3 a 704
1999-06-14 06:25:03 C 16 14 00.43 -20 39 36.6 18.4 a 704
1999-06-14 06:42:54 C 16 13 55.00 -20 39 38.0 19.1 a 704
1999-06-14 15:48:58 C 16 11 11.50 -20 41 10.4 z 402
1999-06-14 15:50:47 C 16 11 10.89 -20 41 10.6 z 402
1999-06-14 15:52:36 C 16 11 10.38 -20 41 11.0 z 402
1999-06-14 15:54:25 C 16 11 09.83 -20 41 10.8 z 402
1999-06-14 22:04:03 C 16 09 20.49 -20 42 12.0 18.0 b 120
1999-06-14 22:12:38 C 16 09 17.68 -20 42 14.9 b 120