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
1999-12-11 04:22:22 C 05 45 01.52 +20 48 13.2 16.6 m 750
1999-12-11 04:31:14 C 05 45 00.79 +20 48 32.4 16.8 m 750
1999-12-11 04:52:49 C 05 44 59.05 +20 49 18.3 16.5 m 750
1999-12-11 06:53:48 C 05 44 49.84 +20 53 38.9 i 670
1999-12-11 07:25:14 C 05 44 47.24 +20 54 45.8 i 670
1999-12-11 21:30:30 C 05 43 42.97 +21 24 11.7 118
1999-12-11 21:37:31 C 05 43 42.42 +21 24 26.4 118
1999-12-11 21:39:04 C 05 43 42.27 +21 24 29.6 118
1999-12-12 08:20:31 C 05 42 53.25 +21 46 37.6 i 670
1999-12-12 08:52:03 C 05 42 50.70 +21 47 42.0 i 670
1999-12-12 09:04:21 C 05 42 49.70 +21 48 07.3 i 670
1999-12-13 07:35:53 C 05 41 08.79 +22 33 31.4 i 670
1999-12-13 08:31:49 C 05 41 04.30 +22 35 22.5 i 670
1999-12-13 09:16:24 C 05 41 00.76 +22 36 50.3 i 670
1999-12-13 23:06:21 C 05 39 59.52 +23 03 53.6 118
1999-12-13 23:11:43 C 05 39 59.11 +23 04 04.1 118
1999-12-13 23:28:45 C 05 39 57.77 +23 04 37.2 118
1999-12-14 07:51:48 C 05 39 20.97 +23 20 53.2 i 670
1999-12-14 09:55:21 C 05 39 11.28 +23 24 49.2 i 670
1999-12-15 13:15:04 C 05 37 13.54 +24 16 04.5 z 355
1999-12-15 13:19:46 C 05 37 13.18 +24 16 12.9 z 355
1999-12-15 13:26:23 C 05 37 12.64 +24 16 25.5 z 355
1999-12-16 12:14:22 C 05 35 35.99 +24 57 36.5 z 402
1999-12-16 12:16:11 C 05 35 35.85 +24 57 39.7 z 402
1999-12-16 12:17:59 C 05 35 35.71 +24 57 42.8 z 402
1999-12-16 14:35:29 C 05 35 25.42 +25 01 48.1 z 348
1999-12-16 14:47:00 C 05 35 24.56 +25 02 08.2 z 348
1999-12-17 00:26:45 C 05 34 43.64 +25 19 01.9 118
1999-12-17 00:28:41 C 05 34 43.55 +25 19 05.2 118
1999-12-17 00:38:38 C 05 34 42.78 +25 19 22.6 118
1999-12-17 07:00:08 C 05 34 17.12 +25 30 29.4 i 670
1999-12-17 09:55:48 C 05 34 04.17 +25 35 30.9 i 670
1999-12-17 20:54:28 C 05 33 20.44 +25 54 09.7 610
1999-12-17 20:59:28 C 05 33 20.06 +25 54 18.1 610
1999-12-17 21:04:28 C 05 33 19.69 +25 54 26.4 610
1999-12-17 21:09:29 C 05 33 19.31 +25 54 34.7 610
1999-12-17 21:14:29 C 05 33 18.94 +25 54 43.1 610
1999-12-19 09:47:00 C 05 30 51.81 +26 54 39.3 i 670
1999-12-19 12:45:00 C 05 30 41.44 +26 59 23.1 z 900
1999-12-19 12:58:20 C 05 30 40.55 +26 59 44.3 z 900
1999-12-21 06:04:35 C 05 28 04.56 +28 02 38.8 i 670
1999-12-21 07:43:41 C 05 27 57.99 +28 05 05.0 i 670
1999-12-21 08:27:03 C 05 27 55.16 +28 06 08.8 i 670
1999-12-24 05:58:45 C 05 23 53.25 +29 42 31.8 i 670
1999-12-24 07:11:09 C 05 23 48.92 +29 44 06.6 i 670
1999-12-24 08:36:56 C 05 23 43.81 +29 45 57.3 i 670
1999-12-24 13:37:51 C 05 23 27.99 +29 52 26.3 z 348
1999-12-24 13:51:14 C 05 23 27.16 +29 52 43.1 z 348
1999-12-27 13:46:37 C 05 19 48.45 +31 19 18.8 z 402
1999-12-27 13:48:25 C 05 19 48.36 +31 19 20.7 z 402