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
2008-09-25 06:10:33 C 01 18 36.31 -20 39 57.5 o H55
2008-09-25 06:19:32 C 01 18 36.14 -20 39 51.0 o H55
2008-09-25 09:39:19 C 01 18 32.77 -20 37 24.7 r 448
2008-09-25 09:42:28 C 01 18 32.68 -20 37 22.9 r 448
2008-09-25 09:45:30 C 01 18 32.70 -20 37 20.3 r 448
2008-09-25 09:48:31 C 01 18 32.67 -20 37 17.9 r 448
2008-09-25 09:51:32 C 01 18 32.60 -20 37 16.0 r 448
2008-10-01 11:40:19 C 01 16 14.28 -18 46 00.2 r 448
2008-10-09 05:17:43 C 01 12 42.26 -16 09 14.0 r 703
2008-10-09 05:29:35 C 01 12 42.04 -16 09 03.4 r 703
2008-10-09 05:41:27 C 01 12 41.76 -16 08 53.0 r 703
2008-10-09 05:53:02 C 01 12 41.50 -16 08 42.3 r 703
2008-10-09 07:07:25 C 01 12 39.47 -16 07 37.8 r 448
2008-10-09 07:13:31 C 01 12 39.31 -16 07 32.3 r 448
2008-10-09 07:19:37 C 01 12 39.16 -16 07 27.1 r 448
2008-10-09 07:46:07 C 01 12 38.12 -16 07 04.7 o H55
2008-10-09 07:52:46 C 01 12 37.97 -16 06 58.8 o H55
2008-10-09 07:59:27 C 01 12 37.80 -16 06 52.8 o H55
2008-10-23 07:11:16 C 01 07 33.03 -11 01 27.5 r 304
2008-10-23 07:15:22 C 01 07 32.98 -11 01 23.6 r 304
2008-10-23 07:18:59 C 01 07 32.94 -11 01 20.4 r 304
2008-10-23 07:22:36 C 01 07 32.89 -11 01 17.1 r 304
2008-10-23 07:26:12 C 01 07 32.84 -11 01 13.6 r 304
2008-10-23 07:29:51 C 01 07 32.80 -11 01 10.2 r 304
2008-10-31 02:00:34 C 01 06 40.27 -08 11 34.2 o H55
2008-10-31 02:03:20 C 01 06 40.25 -08 11 31.8 o H55
2008-10-31 02:05:50 C 01 06 40.24 -08 11 29.3 o H55
2008-10-31 02:08:37 C 01 06 40.23 -08 11 27.0 o H55
2008-10-31 02:11:17 C 01 06 40.22 -08 11 24.1 o H55
2008-11-05 02:22:37 C 01 07 02.58 -06 24 34.1 o H55
2008-11-05 02:26:38 C 01 07 02.59 -06 24 30.8 o H55
2008-11-05 02:30:39 C 01 07 02.60 -06 24 27.2 o H55
2008-11-05 02:34:47 C 01 07 02.63 -06 24 23.4 o H55
2008-11-06 06:07:25 C 01 07 13.90 -06 00 18.0 r 703
2008-11-06 06:19:16 C 01 07 13.80 -06 00 07.4 r 703
2008-11-06 06:31:14 C 01 07 13.98 -05 59 57.6 r 703
2008-11-06 06:43:07 C 01 07 14.01 -05 59 45.8 r 703
2008-11-19 04:27:34 C 01 12 09.03 -01 42 14.9 r 703
2008-11-19 04:39:26 C 01 12 09.21 -01 42 04.2 r 703
2008-11-19 04:51:19 C 01 12 09.43 -01 41 54.8 r 703
2008-11-19 05:03:08 C 01 12 09.72 -01 41 46.5 r 703
2010-02-20 10:03:36 C 09 52 13.223 +22 57 21.50 t 568
2010-02-20 10:13:27 C 09 52 12.777 +22 57 23.56 t 568
2010-02-20 10:26:19 C 09 52 12.221 +22 57 26.23 t 568
2010-02-21 09:52:24 C 09 51 11.256 +23 02 16.05 t 568
2010-02-21 10:01:25 C 09 51 10.851 +23 02 17.99 t 568
2011-05-04 05:07:08 C 13 32 42.36 -01 19 19.5 o H21
2011-05-04 05:21:37 C 13 32 41.69 -01 19 17.6 o H21
2011-05-04 05:35:12 C 13 32 41.02 -01 19 15.9 o H21
2011-05-05 03:45:04 C 13 31 37.99 -01 15 56.7 o H21