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
1999-12-06 07:01:25 C 05 54 08.49 +16 21 28.3 15.6 a 704
1999-12-06 07:21:59 C 05 54 06.74 +16 22 17.9 16.0 a 704
1999-12-06 07:42:31 C 05 54 05.06 +16 23 07.7 15.7 a 704
1999-12-06 08:03:02 C 05 54 03.31 +16 23 57.2 15.9 a 704
1999-12-06 08:23:36 C 05 54 01.58 +16 24 46.6 16.0 a 704
1999-12-06 23:10:51 C 05 52 52.59 +17 00 09.7 z 595
1999-12-06 23:38:53 C 05 52 50.24 +17 01 16.5 z 595
1999-12-07 02:06:54 C 05 52 38.17 +17 07 08.1 b 946
1999-12-07 02:10:58 C 05 52 37.85 +17 07 17.6 b 946
1999-12-07 02:23:53 C 05 52 36.82 +17 07 48.2 b 946
1999-12-07 05:36:47 C 05 52 22.96 +17 15 28.1 z 719
1999-12-07 05:43:14 C 05 52 22.40 +17 15 43.5 z 719
1999-12-07 06:55:27 C 05 52 16.38 +17 18 35.1 15.9 a 704
1999-12-07 07:16:30 C 05 52 14.62 +17 19 24.9 16.1 a 704
1999-12-07 07:37:29 C 05 52 12.85 +17 20 14.3 16.2 a 704
1999-12-07 07:58:28 C 05 52 11.13 +17 21 04.7 16.9 a 704
1999-12-07 08:19:35 C 05 52 09.30 +17 21 53.9 16.2 a 704
1999-12-07 09:28:14 C 05 52 03.94 +17 24 29.9 c 658
1999-12-07 09:36:06 C 05 52 03.29 +17 24 48.5 c 658
1999-12-07 09:38:13 C 05 52 03.11 +17 24 53.3 c 658
1999-12-07 15:07:46 C 05 51 37.74 +17 37 52.2 z 402
1999-12-07 15:09:36 C 05 51 37.60 +17 37 56.9 z 402
1999-12-07 15:13:14 C 05 51 37.26 +17 38 04.5 z 402
1999-12-07 15:16:07 C 05 51 37.03 +17 38 11.9 z 402
1999-12-07 15:51:29 C 05 51 34.14 +17 39 35.2 360
1999-12-07 15:53:59 C 05 51 33.93 +17 39 41.1 360
1999-12-07 15:56:30 C 05 51 33.71 +17 39 46.8 360
1999-12-07 20:31:14 C 05 51 13.03 +17 50 20.6 c 046
1999-12-07 20:32:53 C 05 51 12.97 +17 50 24.7 c 046
1999-12-07 20:36:11 C 05 51 12.64 +17 50 32.3 c 046
1999-12-07 20:42:11 C 05 51 12.25 +17 50 46.5 c 046
1999-12-07 21:26:32 C 05 51 08.61 +17 52 31.6 z 595
1999-12-07 21:31:45 C 05 51 08.20 +17 52 43.9 z 595
1999-12-07 21:38:02 C 05 51 07.69 +17 52 58.9 z 595
1999-12-07 22:01:31 C 05 51 05.85 +17 53 51.9 610
1999-12-07 22:07:32 C 05 51 05.35 +17 54 06.2 610
1999-12-07 22:30:30 C 05 51 03.45 +17 55 00.8 610
1999-12-07 22:36:29 C 05 51 02.95 +17 55 15.1 610
1999-12-07 22:42:29 C 05 51 02.46 +17 55 29.4 610
1999-12-07 22:42:49 C 05 51 02.36 +17 55 28.1 z 587
1999-12-07 22:47:00 C 05 51 02.02 +17 55 38.7 z 587
1999-12-08 00:19:10 C 05 50 54.31 +17 59 14.4 z 468
1999-12-08 00:32:21 C 05 50 53.19 +17 59 44.1 z 468
1999-12-08 01:18:02 C 05 50 49.42 +18 01 29.3 16.1 c 106
1999-12-08 01:46:24 C 05 50 47.07 +18 02 34.2 16.0 c 106
1999-12-08 02:14:48 C 05 50 44.74 +18 03 40.1 16.1 c 106
1999-12-08 04:15:55 C 05 50 36.86 +18 08 17.5 17.6 652
1999-12-08 04:21:29 C 05 50 36.57 +18 08 23.5 16.7 652
1999-12-08 05:15:31 C 05 50 31.90 +18 10 40.5 i 739
1999-12-08 05:19:07 C 05 50 31.60 +18 10 48.9 i 739