3671 Dionysus (1984 KD)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5438362698 ± 8.01e-09
Semi-major axis (a)2.1972973383 AU ± 4.16e-10
Inclination (i)13.53280920° ± 1.71e-06
Long. of Asc. Node (Ω)82.02495391° ± 5.80e-06
Arg. of Perihelion (ω)204.42614910° ± 6.18e-06
Mean Anomaly (M)252.10232771° ± 1.73e-06
Mean Motion (n)0.3026070430°/day ± 8.60e-11
Perihelion dist (q)1.00232735 AU ± 1.76e-08
Aphelion dist (Q)3.39226733 AU ± 1.76e-08
Orbital Period3.25711614 yr ± 9.26e-10
Physical Parameters
H (abs. magnitude)16.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.289″
Uncertainty0
Orbit TypeApollo
MOID0.015329 AU
Observations Used1171
Oppositions29
Arc Total1984-2026
First Observation Used1984-05-27
Last Observation Used2026-03-26
Observations (1230)
Date Type RA Dec Mag Band Observatory
2010-08-21 15:07:46 S 14 39 47.928 -64 41 07.76 L C51
2010-08-21 18:18:18 S 14 41 04.33 -64 51 12.4 L C51
2010-08-21 19:53:39 S 14 41 43.082 -64 56 17.70 L C51
2010-08-21 21:28:48 S 14 42 21.53 -65 01 16.5 L C51
2010-08-21 23:03:59 S 14 43 00.45 -65 06 15.9 L C51
2010-08-22 00:39:20 S 14 43 39.655 -65 11 15.65 L C51
2010-08-22 05:25:01 S 14 45 38.753 -65 26 08.74 L C51
2010-08-22 08:35:32 S 14 46 59.318 -65 36 00.00 L C51
2010-08-22 10:10:42 S 14 47 39.991 -65 40 54.16 L C51
2010-08-22 14:56:23 S 14 49 43.625 -65 55 32.12 L C51
2010-08-22 18:06:54 S 14 51 07.171 -66 05 13.70 L C51
2010-09-11 09:20:02 C 20 29 56.28 -70 39 20.5 u 432
2010-09-11 09:27:15 C 20 30 00.03 -70 39 07.1 u 432
2010-09-11 09:36:17 C 20 30 04.66 -70 38 50.4 u 432
2010-09-13 11:14:17 C 20 54 16.14 -69 00 16.2 u 432
2010-09-13 11:24:25 C 20 54 20.46 -68 59 55.1 u 432
2010-09-13 11:56:37 C 20 54 34.19 -68 58 47.9 u 432
2010-10-27 10:51:55 C 23 23 31.43 -33 40 24.4 r E12
2010-10-27 11:04:10 C 23 23 32.10 -33 40 05.7 r E12
2010-10-27 11:16:35 C 23 23 32.80 -33 39 46.7 r E12
2010-10-27 11:28:58 C 23 23 33.47 -33 39 27.8 r E12
2010-11-13 03:06:10 C 23 46 02.20 -24 31 22.5 r 703
2010-11-13 03:15:16 C 23 46 02.60 -24 31 11.8 r 703
2010-11-13 03:24:23 C 23 46 03.10 -24 31 00.8 r 703
2010-11-13 03:33:33 C 23 46 03.57 -24 30 48.5 r 703
2011-01-29 06:17:54 C 01 32 06.447 +01 37 07.76 L F51
2011-01-29 06:24:34 C 01 32 06.843 +01 37 11.89 L F51
2011-01-29 06:32:06 C 01 32 07.320 +01 37 16.41 L F51
2011-01-29 06:38:45 C 01 32 07.700 +01 37 20.40 L F51
2011-12-27 04:14:50 C 06 41 11.34 +28 23 12.5 o 691
2011-12-27 04:40:28 C 06 41 10.05 +28 23 15.0 o 691
2011-12-27 05:06:09 C 06 41 08.69 +28 23 19.1 o 691
2011-12-31 04:46:37 C 06 36 15.70 +28 36 03.8 o 691
2011-12-31 05:08:32 C 06 36 14.54 +28 36 06.2 o 691
2011-12-31 05:30:27 C 06 36 13.47 +28 36 08.8 o 691
2011-12-31 07:09:23 C 06 36 08.24 +28 36 21.9 r G96
2011-12-31 07:20:24 C 06 36 07.70 +28 36 23.2 r G96
2011-12-31 07:31:13 C 06 36 07.09 +28 36 24.3 r G96
2011-12-31 07:42:06 C 06 36 06.55 +28 36 25.9 r G96
2013-02-13 08:53:49 C 10 52 10.357 +29 07 11.79 L F51
2013-02-13 09:13:43 C 10 52 09.393 +29 07 21.76 L F51
2013-02-13 09:33:36 C 10 52 08.427 +29 07 31.54 L F51
2013-02-13 09:53:42 C 10 52 07.446 +29 07 41.54 L F51
2013-02-18 10:20:40 C 10 46 06.49 +30 05 09.5 r 703
2013-02-18 10:28:30 C 10 46 06.06 +30 05 13.1 r 703
2013-02-18 10:36:15 C 10 46 05.62 +30 05 16.2 r 703
2013-02-18 10:44:07 C 10 46 05.16 +30 05 20.0 r 703
2013-02-21 08:35:26 C 10 42 21.136 +30 36 56.96 L F51
2013-02-21 08:58:18 C 10 42 19.852 +30 37 07.06 L F51
2013-02-21 09:16:12 C 10 42 18.849 +30 37 15.23 L F51