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
2016-02-06 02:00:44 C 02 31 15.45 +15 45 48.0 q 703
2016-02-06 02:08:39 C 02 31 16.40 +15 45 58.4 q 703
2016-02-06 02:16:35 C 02 31 17.32 +15 46 09.2 q 703
2016-02-06 02:24:31 C 02 31 18.34 +15 46 19.9 q 703
2016-02-10 03:14:31 C 02 43 34.19 +17 50 16.7 q 703
2016-02-10 03:24:40 C 02 43 35.45 +17 50 28.8 q 703
2016-02-10 03:34:51 C 02 43 36.58 +17 50 40.7 q 703
2016-02-10 03:45:00 C 02 43 37.93 +17 50 53.4 q 703
2016-03-01 02:59:40 C 03 42 29.81 +25 44 26.6 o 691
2016-03-01 03:07:35 C 03 42 30.76 +25 44 32.3 o 691
2016-03-01 03:15:30 C 03 42 31.69 +25 44 38.6 o 691
2017-02-04 09:11:36 C 12 48 16.96 +23 16 15.4 u H21
2017-02-04 09:31:33 C 12 48 16.66 +23 16 22.3 u H21
2017-02-04 10:01:48 C 12 48 16.18 +23 16 33.2 u H21
2019-06-03 00:20:45 C 18 00 48.50 -23 27 52.5 V C95
2019-06-03 00:34:20 C 18 00 47.91 -23 27 57.7 V C95
2019-06-03 00:47:54 C 18 00 47.22 -23 28 02.6 V C95
2019-12-16 05:14:49 C 22 30 18.62 -29 15 34.3 V T05
2019-12-16 05:19:33 C 22 30 19.52 -29 15 27.2 V T05
2019-12-16 05:27:07 C 22 30 20.89 -29 15 16.7 V T05
2019-12-16 06:01:14 C 22 30 27.01 -29 14 25.3 V T05
2020-01-04 05:30:45 C 23 48 45.08 -16 22 03.0 V T08
2020-01-04 05:35:24 C 23 48 45.82 -16 21 54.3 V T08
2020-01-04 05:42:47 C 23 48 47.05 -16 21 40.8 V T08
2020-01-04 05:57:31 C 23 48 49.41 -16 21 14.3 V T08
2020-01-19 02:28:36 C 00 44 09.39 -05 22 11.9 V 703
2020-01-19 02:37:00 C 00 44 10.63 -05 21 57.3 V 703
2020-01-19 02:45:23 C 00 44 11.91 -05 21 43.2 V 703
2020-01-19 02:53:45 C 00 44 13.16 -05 21 27.4 V 703
2020-01-24 02:31:43 C 01 01 48.64 -01 47 02.3 V 703
2020-01-24 02:40:00 C 01 01 49.79 -01 46 48.5 V 703
2020-01-24 02:56:34 C 01 01 52.15 -01 46 17.9 V 703
2020-01-27 03:06:02 C 01 12 17.01 +00 19 18.9 V 703
2020-01-27 03:22:21 C 01 12 19.34 +00 19 45.0 V 703
2020-01-27 03:30:31 C 01 12 20.45 +00 20 00.2 V 703
2020-01-27 05:28:01 C 01 12 37.389 +00 23 24.65 U F51
2020-01-27 05:36:08 C 01 12 38.533 +00 23 38.63 U F51
2020-01-27 05:44:17 C 01 12 39.695 +00 23 52.60 U F51
2024-03-17 03:07:08 C 03 17 54.762 +19 42 16.02 V V00
2024-03-17 03:15:16 C 03 17 55.842 +19 42 23.62 V V00
2024-03-17 03:23:21 C 03 17 56.893 +19 42 31.25 V V00
2024-03-17 03:31:25 C 03 17 57.973 +19 42 38.88 V V00
2024-03-22 03:00:38 C 03 33 42.714 +21 30 29.52 V G96
2024-03-22 03:06:43 C 03 33 43.556 +21 30 34.31 V G96
2024-03-22 03:12:47 C 03 33 44.305 +21 30 39.64 V G96
2024-03-22 03:18:53 C 03 33 45.065 +21 30 44.86 V G96
2024-04-08 02:50:37 C 04 26 18.762 +26 22 50.70 V G96
2024-04-08 02:58:21 C 04 26 19.756 +26 22 55.49 V G96
2024-04-08 03:04:25 C 04 26 20.540 +26 22 58.87 V G96
2024-04-08 03:10:32 C 04 26 21.304 +26 23 02.44 V G96