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
2008-01-30 04:32:04 C 03 34 40.81 +27 04 02.5 19.3 c 704
2008-01-30 04:50:30 C 03 34 42.49 +27 04 18.2 19.1 c 704
2008-02-06 04:20:09 C 03 50 25.47 +29 15 39.8 19.6 c 704
2008-02-06 04:37:50 C 03 50 27.08 +29 15 52.0 19.7 c 704
2008-02-06 04:55:33 C 03 50 28.68 +29 16 04.0 19.6 c 704
2008-02-26 02:59:45 C 04 36 01.69 +33 29 00.4 r G96
2008-02-26 03:14:00 C 04 36 03.02 +33 29 06.2 r G96
2008-02-26 03:28:11 C 04 36 04.42 +33 29 09.9 r G96
2008-02-26 03:42:34 C 04 36 05.76 +33 29 16.5 r G96
2011-08-28 08:49:47 C 17 11 35.22 -52 30 39.2 u 432
2011-08-28 09:28:26 C 17 11 35.46 -52 30 53.7 u 432
2011-08-29 08:36:37 C 17 11 51.70 -52 40 00.7 u 432
2011-08-29 09:34:18 C 17 11 52.04 -52 40 23.0 u 432
2011-09-27 08:45:12 C 18 00 20.90 -56 46 31.3 u 432
2011-09-27 09:37:38 C 18 00 27.30 -56 46 45.5 u 432
2011-09-29 08:51:40 C 18 06 43.02 -56 59 25.7 u 432
2011-09-29 09:39:07 C 18 06 49.26 -56 59 37.1 u 432
2011-12-28 17:55:01 C 01 11 13.42 -05 00 03.5 u C27
2011-12-28 18:03:27 C 01 11 14.60 -04 59 42.4 u C27
2011-12-28 18:08:36 C 01 11 15.34 -04 59 29.8 u C27
2011-12-28 18:15:14 C 01 11 16.15 -04 59 13.6 u C27
2012-01-19 02:56:25 C 02 17 06.36 +12 53 27.1 r 703
2012-01-19 03:04:32 C 02 17 07.29 +12 53 41.2 r 703
2012-01-19 03:12:53 C 02 17 08.30 +12 53 54.4 r 703
2012-01-26 01:52:47 C 02 37 03.00 +17 08 04.8 19.1 c 704
2012-01-26 02:11:03 C 02 37 05.16 +17 08 29.2 19.1 c 704
2012-01-26 02:29:18 C 02 37 07.29 +17 08 55.7 19.3 c 704
2012-01-26 02:47:41 C 02 37 09.41 +17 09 22.0 19.7 c 704
2012-01-26 03:06:13 C 02 37 11.63 +17 09 47.3 19.4 c 704
2015-11-30 00:26:31 C 22 15 30.86 -37 18 55.5 u 807
2015-11-30 00:28:56 C 22 15 31.33 -37 18 51.4 u 807
2015-11-30 00:31:52 C 22 15 31.90 -37 18 46.6 u 807
2015-11-30 00:34:15 C 22 15 32.38 -37 18 42.7 u 807
2015-11-30 00:36:59 C 22 15 32.92 -37 18 38.3 u 807
2015-12-24 00:52:12 C 00 01 00.68 -17 52 19.2 u 807
2015-12-24 00:53:53 C 00 01 00.96 -17 52 15.3 u 807
2015-12-24 00:55:33 C 00 01 01.26 -17 52 11.3 u 807
2015-12-24 00:57:14 C 00 01 01.54 -17 52 07.6 u 807
2015-12-24 00:58:37 C 00 01 01.74 -17 52 04.7 u 807
2016-01-14 12:09:57 C 01 19 03.68 +00 47 35.7 q D29
2016-01-14 12:35:21 C 01 19 07.24 +00 48 25.8 q D29
2016-01-21 03:02:52 C 01 41 00.68 +05 47 27.3 q 703
2016-01-21 03:28:49 C 01 41 04.17 +05 48 14.2 q 703
2016-01-28 02:57:28 C 02 03 26.26 +10 31 36.3 q 703
2016-01-28 03:03:58 C 02 03 27.09 +10 31 46.8 q 703
2016-01-28 03:10:27 C 02 03 27.98 +10 31 56.8 q 703
2016-01-28 03:16:58 C 02 03 28.80 +10 32 07.7 q 703
2016-01-30 06:08:53 C 02 10 08.447 +11 51 25.78 L F51
2016-01-30 06:14:46 C 02 10 09.203 +11 51 34.88 L F51
2016-01-30 06:20:38 C 02 10 09.958 +11 51 43.72 L F51