66959 (1999 XO35)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5654346659 ± 2.06e-08
Semi-major axis (a)2.5383278329 AU ± 4.40e-09
Inclination (i)20.62033652° ± 6.05e-06
Long. of Asc. Node (Ω)81.89459415° ± 4.88e-06
Arg. of Perihelion (ω)293.48181330° ± 1.14e-05
Mean Anomaly (M)169.65211530° ± 4.27e-06
Mean Motion (n)0.2437197413°/day ± 6.33e-10
Perihelion dist (q)1.10306928 AU ± 5.23e-08
Aphelion dist (Q)3.97358638 AU ± 5.27e-08
Orbital Period4.04409704 yr ± 1.05e-08
Physical Parameters
H (abs. magnitude)16.94
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.411″
Uncertainty0
Orbit TypeAmor
MOID0.274835 AU
Observations Used617
Oppositions19
Arc Total1999-2024
First Observation Used1999-12-06
Last Observation Used2024-04-08
Observations (650)
Date Type RA Dec Mag Band Observatory
1999-12-08 05:24:48 C 05 50 31.13 +18 11 02.4 i 739
1999-12-08 07:36:15 C 05 50 20.41 +18 16 07.2 15.8 a 704
1999-12-08 07:42:16 C 05 50 20.19 +18 16 21.0 i 670
1999-12-08 07:48:20 C 05 50 19.39 +18 16 35.0 17.3 a 704
1999-12-08 07:54:14 C 05 50 18.90 +18 16 48.5 16.2 a 704
1999-12-08 08:06:19 C 05 50 17.86 +18 17 16.2 17.7 a 704
1999-12-08 08:12:12 C 05 50 17.39 +18 17 29.7 16.7 a 704
1999-12-08 08:15:45 C 05 50 17.37 +18 17 38.4 i 670
1999-12-08 08:24:16 C 05 50 16.34 +18 17 57.2 17.9 a 704
1999-12-08 08:30:07 C 05 50 15.89 +18 18 10.7 16.4 a 704
1999-12-08 08:48:03 C 05 50 14.38 +18 18 52.6 16.9 a 704
1999-12-08 08:58:56 C 05 50 13.69 +18 19 17.6 675
1999-12-08 09:00:09 C 05 50 13.34 +18 19 20.1 17.1 a 704
1999-12-08 09:01:32 C 05 50 13.47 +18 19 23.6 675
1999-12-08 09:14:11 C 05 50 12.51 +18 19 52.2 i 670
1999-12-08 09:57:29 C 05 50 08.85 +18 21 31.2 i 670
1999-12-08 21:22:26 C 05 49 16.62 +18 47 27.3 z 151
1999-12-08 21:28:09 C 05 49 16.25 +18 47 40.9 z 151
1999-12-08 21:34:24 C 05 49 15.69 +18 47 54.7 z 151
1999-12-08 21:36:38 C 05 49 15.47 +18 48 01.1 z 151
1999-12-08 21:42:39 C 05 49 15.08 +18 48 13.7 z 151
1999-12-08 21:50:55 C 05 49 14.45 +18 48 30.8 z 151
1999-12-08 23:48:14 C 05 49 04.54 +18 52 58.7 118
1999-12-08 23:52:47 C 05 49 04.14 +18 53 09.1 118
1999-12-08 23:54:15 C 05 49 04.02 +18 53 12.4 118
1999-12-09 05:16:38 C 05 48 40.05 +19 05 22.5 675
1999-12-09 05:18:50 C 05 48 39.88 +19 05 27.5 675
1999-12-09 05:20:57 C 05 48 39.71 +19 05 32.2 675
1999-12-09 05:22:47 C 05 48 38.67 +19 05 31.1 16.2 z 294
1999-12-09 06:09:48 C 05 48 35.18 +19 07 24.4 c 713
1999-12-09 06:24:42 C 05 48 34.02 +19 07 57.7 c 713
1999-12-09 06:38:50 C 05 48 32.34 +19 08 26.2 16.4 z 294
1999-12-09 06:43:47 C 05 48 32.48 +19 08 40.5 c 713
1999-12-09 06:51:14 C 05 48 31.83 +19 08 57.5 c 713
1999-12-09 07:41:38 C 05 48 27.08 +19 10 46.3 14.6 z 294
1999-12-09 08:03:19 C 05 48 26.27 +19 11 37.3 i 670
1999-12-09 09:03:44 C 05 48 21.22 +19 13 52.5 i 670
1999-12-09 19:55:33 C 05 47 31.74 +19 37 54.1 c 046
1999-12-09 19:59:26 C 05 47 31.43 +19 38 02.8 c 046
1999-12-09 20:01:57 C 05 47 31.23 +19 38 08.4 c 046
1999-12-09 20:03:50 C 05 47 31.07 +19 38 12.4 c 046
1999-12-10 04:00:49 C 05 46 54.06 +19 55 41.9 i 726
1999-12-10 04:10:50 C 05 46 53.24 +19 56 03.9 i 726
1999-12-10 04:15:49 C 05 46 52.84 +19 56 14.9 i 726
1999-12-10 04:55:36 C 05 46 49.62 +19 57 41.9 i 726
1999-12-10 05:00:36 C 05 46 49.20 +19 57 53.2 i 726
1999-12-10 05:20:35 C 05 46 47.59 +19 58 37.2 i 726
1999-12-10 14:33:32 C 05 46 04.81 +20 18 43.4 z 355
1999-12-10 14:36:42 C 05 46 04.51 +20 18 49.6 z 355
1999-12-10 14:39:57 C 05 46 04.23 +20 18 56.5 z 355