2009 XK8

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6096719527 ± 2.00e+00
Semi-major axis (a)2.4675461932 AU ± 3.00e+00
Inclination (i)2.76179172° ± 4.00e+00
Long. of Asc. Node (Ω)106.72601545° ± 5.00e+00
Arg. of Perihelion (ω)301.05564062° ± 6.00e+00
Mean Anomaly (M)48.14222742° ± 1.76e-01
Mean Motion (n)0.2542763100°/day ± 4.64e-01
Perihelion dist (q)0.96315320 AU ± 5.07e+00
Aphelion dist (Q)3.97194100 AU ± 6.90e+00
Orbital Period3.87612860 yr ± 7.07e+00
Physical Parameters
H (abs. magnitude)25.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.648″
Uncertainty3
Orbit TypeApollo
MOID0.028699 AU
Observations Used34
Oppositions1
Arc Total2009-2009
First Observation Used
Last Observation Used2009-12-21
Observations (35)
Date Type RA Dec Mag Band Observatory
2009-12-15 05:15:31 C 04 28 08.00 -03 50 44.0 r 703
2009-12-15 05:25:22 C 04 28 15.92 -03 49 10.5 r 703
2009-12-15 05:35:20 C 04 28 24.09 -03 47 35.4 r 703
2009-12-15 05:45:24 C 04 28 32.19 -03 46 00.7 r 703
2009-12-15 06:50:37 C 04 29 24.61 -03 35 42.0 r 703
2009-12-15 06:51:27 C 04 29 25.11 -03 35 35.0 r 703
2009-12-15 06:53:04 C 04 29 26.66 -03 35 18.3 r 703
2009-12-15 07:59:55 C 04 30 20.37 -03 24 47.7 r 703
2009-12-15 08:00:48 C 04 30 21.02 -03 24 39.5 r 703
2009-12-15 08:01:42 C 04 30 21.70 -03 24 29.9 r 703
2009-12-15 08:02:36 C 04 30 22.39 -03 24 22.6 r 703
2009-12-15 08:03:31 C 04 30 23.18 -03 24 13.7 r 703
2009-12-15 08:07:54 C 04 30 26.74 -03 23 33.3 r G96
2009-12-15 08:09:54 C 04 30 28.33 -03 23 14.1 r G96
2009-12-15 08:11:49 C 04 30 29.95 -03 22 55.0 r G96
2009-12-15 08:13:45 C 04 30 31.53 -03 22 37.7 r G96
2009-12-15 08:15:45 C 04 30 33.08 -03 22 18.4 r G96
2009-12-15 08:48:39 C 04 30 59.38 -03 17 07.0 c 926
2009-12-15 08:52:33 C 04 31 02.50 -03 16 30.6 c 926
2009-12-15 08:56:26 C 04 31 05.64 -03 15 54.5 c 926
2009-12-16 06:38:02 C 04 48 13.99 -00 04 30.0 o H01
2009-12-16 06:46:36 C 04 48 19.95 -00 03 19.3 o H01
2009-12-16 06:49:30 C 04 48 20.35 -00 03 06.4 r H36
2009-12-16 06:54:14 C 04 48 25.25 -00 02 15.8 o H01
2009-12-16 06:55:49 C 04 48 24.82 -00 02 15.0 r H36
2009-12-16 07:01:29 C 04 48 30.27 -00 01 15.8 o H01
2009-12-16 07:02:09 C 04 48 29.22 -00 01 22.5 r H36
2009-12-16 07:28:31 C 04 48 49.67 +00 02 32.9 o 291
2009-12-16 07:42:26 C 04 48 59.15 +00 04 25.4 o 291
2009-12-18 00:23:01 C 05 15 21.94 +05 00 54.9 v 204
2009-12-18 00:41:10 C 05 15 31.82 +05 02 50.4 v 204
2009-12-21 06:33:00 C 05 51 18.21 +11 34 31.1 r H36
2009-12-21 06:53:53 C 05 51 25.26 +11 35 53.1 r H36
2009-12-21 07:25:18 C 05 51 35.89 +11 37 53.2 r H36
2009-12-21 07:35:44 C 05 51 39.37 +11 38 33.0 r H36