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
2011-05-05 04:09:21 C 13 31 36.85 -01 15 52.3 o H21
2011-05-05 04:33:20 C 13 31 35.68 -01 15 49.0 o H21
2018-05-09 08:19:02 C 16 25 29.09 -17 50 36.6 o 691
2018-05-09 08:35:07 C 16 25 28.43 -17 50 37.1 o 691
2018-05-10 07:56:59 C 16 24 37.45 -17 52 20.1 o 691
2018-05-10 08:14:16 C 16 24 36.71 -17 52 21.4 o 691
2018-05-10 08:31:29 C 16 24 35.96 -17 52 22.3 o 691
2018-05-19 08:05:02 C 16 15 04.68 -18 09 40.7 o 691
2018-05-19 08:20:34 C 16 15 03.83 -18 09 42.0 o 691
2018-05-19 08:35:58 C 16 15 03.00 -18 09 43.4 o 691
2018-06-05 08:13:18 C 15 51 31.891 -18 51 30.30 U F51
2018-06-05 08:30:59 C 15 51 30.746 -18 51 32.74 U F51
2018-06-05 08:48:38 C 15 51 29.617 -18 51 34.92 U F51
2018-06-05 09:06:20 C 15 51 28.472 -18 51 37.05 U F51
2018-06-06 15:41:11 C 15 49 36.65 -18 55 23.0 q D29
2018-06-06 16:21:54 C 15 49 34.04 -18 55 29.2 q D29
2018-06-08 05:31:00 C 15 47 19.70 -19 00 10.6 U I52
2018-06-08 05:34:32 C 15 47 19.44 -19 00 11.2 U I52
2018-06-08 05:38:04 C 15 47 19.23 -19 00 12.5 U I52
2018-06-08 05:39:09 C 15 47 19.18 -19 00 12.2 U I52
2025-08-28 13:58:04 C 03 50 27.598 +08 15 16.69 X F52
2025-08-28 14:13:47 C 03 50 28.835 +08 15 21.81 X F52
2025-08-28 14:29:32 C 03 50 30.066 +08 15 26.86 X F52
2025-08-29 14:13:41 C 03 52 24.769 +08 22 59.32 X F51
2025-08-29 14:26:42 C 03 52 25.766 +08 23 03.40 X F51
2025-08-29 14:39:44 C 03 52 26.760 +08 23 07.54 X F51
2025-09-02 08:52:35 C 03 59 19.890 +08 50 41.60 V 807
2025-09-02 09:00:26 C 03 59 20.450 +08 50 44.20 V 807
2025-09-02 09:08:19 C 03 59 21.010 +08 50 46.80 V 807
2025-09-18 12:40:18 C 04 21 35.854 +10 29 35.51 X F52
2025-09-18 12:58:31 C 04 21 36.543 +10 29 39.70 X F52
2025-09-18 13:16:52 C 04 21 37.230 +10 29 43.84 X F52
2025-09-25 09:57:03 C 04 27 00.414 +11 05 01.14 V G96
2025-09-25 10:04:27 C 04 27 00.576 +11 05 02.76 V G96
2025-09-25 10:11:49 C 04 27 00.774 +11 05 04.20 V G96
2025-09-25 10:19:13 C 04 27 00.886 +11 05 05.86 V G96
2025-09-25 12:28:23 C 04 27 04.258 +11 05 35.03 X F52
2025-09-25 12:45:45 C 04 27 04.627 +11 05 38.66 X F52
2025-09-25 13:03:04 C 04 27 05.002 +11 05 42.37 X F52
2025-09-25 13:20:26 C 04 27 05.364 +11 05 46.01 X F52
2025-10-05 09:56:57 C 04 30 01.508 +11 52 59.30 V G96
2025-10-05 10:05:05 C 04 30 01.544 +11 53 02.47 V G96
2025-10-05 10:13:13 C 04 30 01.555 +11 53 04.70 V G96
2025-10-05 10:21:20 C 04 30 01.577 +11 53 05.82 V G96
2025-10-16 10:58:41 C 04 26 30.650 +12 44 08.03 X F52
2025-10-16 11:14:12 C 04 26 30.172 +12 44 11.19 X F52
2025-10-16 11:29:44 C 04 26 29.715 +12 44 14.14 X F52
2025-10-28 07:52:49 C 04 15 15.991 +13 38 20.83 V G96
2025-10-28 08:00:10 C 04 15 15.610 +13 38 23.60 V G96
2025-10-28 08:07:32 C 04 15 15.160 +13 38 23.75 V G96