518646 (2008 QD1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4457568322 ± 2.79e-08
Semi-major axis (a)2.2537684242 AU ± 3.73e-09
Inclination (i)6.91292236° ± 2.53e-06
Long. of Asc. Node (Ω)72.67845078° ± 2.23e-05
Arg. of Perihelion (ω)261.12753498° ± 2.53e-05
Mean Anomaly (M)36.46488862° ± 8.71e-06
Mean Motion (n)0.2913052697°/day ± 7.23e-10
Perihelion dist (q)1.24913575 AU ± 6.29e-08
Aphelion dist (Q)3.25840110 AU ± 6.31e-08
Orbital Period3.38348250 yr ± 8.40e-09
Physical Parameters
H (abs. magnitude)19.12
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.200″
Uncertainty0
Orbit TypeAmor
MOID0.271372 AU
Observations Used187
Oppositions14
Arc Total2005-2025
First Observation Used2005-09-04
Last Observation Used2025-12-15
Observations (207)
Date Type RA Dec Mag Band Observatory
2005-09-04 13:47:13 C 06 36 28.52 +22 50 49.4 t 568
2005-09-04 14:03:30 C 06 36 29.75 +22 50 50.0 t 568
2008-08-23 16:54:10 C 00 59 09.49 -26 41 25.8 r E12
2008-08-23 17:09:53 C 00 59 10.50 -26 41 22.8 r E12
2008-08-23 17:25:35 C 00 59 11.50 -26 41 19.2 r E12
2008-08-23 17:41:15 C 00 59 12.55 -26 41 15.5 r E12
2008-08-23 19:37:40 C 00 59 20.10 -26 40 47.9 r E12
2008-08-24 05:17:38 C 01 00 03.21 -26 38 48.3 r I77
2008-08-24 05:23:20 C 01 00 03.56 -26 38 47.2 r I77
2008-08-24 05:29:01 C 01 00 03.91 -26 38 46.2 r I77
2008-08-24 06:27:54 C 01 00 08.86 -26 38 52.5 o H55
2008-08-24 06:44:12 C 01 00 09.87 -26 38 50.4 o H55
2008-08-24 06:55:08 C 01 00 10.63 -26 38 49.1 o H55
2008-08-24 07:04:47 C 01 00 11.24 -26 38 47.0 o H55
2008-08-24 15:13:39 C 01 00 45.72 -26 36 28.0 r E12
2008-08-24 15:14:05 C 01 00 45.72 -26 36 27.5 r E12
2008-08-24 15:14:30 C 01 00 45.76 -26 36 27.6 r E12
2008-08-24 15:19:37 C 01 00 46.15 -26 36 26.3 r E12
2008-08-24 15:20:04 C 01 00 46.08 -26 36 26.2 r E12
2008-08-24 15:20:29 C 01 00 46.11 -26 36 26.0 r E12
2008-08-25 00:57:48 C 01 01 24.85 -26 34 43.7 r B18
2008-08-25 00:58:50 C 01 01 24.95 -26 34 43.3 r B18
2008-08-25 00:59:50 C 01 01 24.99 -26 34 42.7 r B18
2008-08-25 01:00:52 C 01 01 25.04 -26 34 42.7 r B18
2008-08-25 01:01:52 C 01 01 25.11 -26 34 42.1 r B18
2008-08-25 05:44:47 C 01 01 44.81 -26 33 11.8 r I77
2008-08-25 05:50:28 C 01 01 45.15 -26 33 10.4 r I77
2008-08-25 05:58:42 C 01 01 45.63 -26 33 08.4 r I77
2008-08-25 07:07:21 C 01 01 51.13 -26 33 13.6 o H55
2008-08-25 07:14:46 C 01 01 51.49 -26 33 12.7 o H55
2008-08-25 07:19:34 C 01 01 51.75 -26 33 11.1 o H55
2008-08-25 16:20:09 C 01 02 27.726 -26 30 33.68 r E12
2008-08-25 16:23:38 C 01 02 27.927 -26 30 32.98 r E12
2008-08-27 09:10:51 C 01 05 03.16 -26 20 39.7 o H55
2008-08-27 09:14:12 C 01 05 03.35 -26 20 38.9 o H55
2008-08-27 09:17:35 C 01 05 03.53 -26 20 38.0 o H55
2008-08-27 09:21:00 C 01 05 03.71 -26 20 36.9 o H55
2008-08-31 19:28:00 C 01 10 44.74 -25 48 26.6 r E12
2008-09-01 15:28:23 C 01 11 40.88 -25 41 43.2 r E12
2008-09-01 15:31:01 C 01 11 41.02 -25 41 42.2 r E12
2008-09-01 15:33:49 C 01 11 41.07 -25 41 41.5 r E12
2008-09-01 15:36:38 C 01 11 41.16 -25 41 41.1 r E12
2008-09-08 16:27:28 C 01 17 17.08 -24 34 11.0 r E12
2008-09-08 16:47:53 C 01 17 17.44 -24 34 01.6 r E12
2008-09-08 17:08:14 C 01 17 17.70 -24 33 52.0 r E12
2008-09-08 17:28:37 C 01 17 18.06 -24 33 42.7 r E12
2008-09-17 06:05:25 C 01 19 44.01 -22 46 19.1 o H55
2008-09-17 06:19:03 C 01 19 43.94 -22 46 10.9 o H55
2008-09-17 06:25:16 C 01 19 43.91 -22 46 07.2 o H55
2008-09-25 06:03:48 C 01 18 36.43 -20 40 02.2 o H55