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
2010-04-12 05:30:35 C 13 14 49.06 +26 52 10.4 u H47
2010-04-12 23:00:10 C 13 13 38.77 +27 00 04.6 17.3 u 084
2010-04-12 23:05:21 C 13 13 38.42 +27 00 06.8 17.4 u 084
2010-04-14 22:49:45 C 13 10 22.71 +27 20 23.7 17.5 u 084
2010-04-14 22:54:56 C 13 10 22.32 +27 20 25.5 17.6 u 084
2010-04-14 23:10:40 C 13 10 21.55 +27 20 33.6 o J26
2010-04-14 23:14:24 C 13 10 21.24 +27 20 35.2 o J26
2010-04-14 23:20:40 C 13 10 20.81 +27 20 37.6 o J26
2010-04-15 22:27:42 C 13 08 43.38 +27 29 34.4 17.4 u C20
2010-04-15 22:29:50 C 13 08 43.23 +27 29 35.1 17.3 u C20
2010-04-17 07:48:05 C 13 06 21.45 +27 41 25.8 r 703
2010-04-17 07:55:37 C 13 06 20.91 +27 41 28.2 r 703
2010-04-17 08:03:00 C 13 06 20.37 +27 41 30.5 r 703
2010-04-17 08:10:32 C 13 06 19.76 +27 41 33.8 r 703
2010-04-17 21:53:31 C 13 05 20.79 +27 45 58.9 17.3 u C20
2010-04-19 22:00:30 C 13 01 51.19 +27 59 49.8 17.3 u C20
2010-04-19 22:02:37 C 13 01 51.03 +27 59 50.3 17.0 u C20
2010-04-20 21:22:35 C 13 00 08.49 +28 05 30.5 16.9 u C20
2010-04-20 21:24:41 C 13 00 08.32 +28 05 31.0 17.0 u C20
2010-04-21 19:36:51 C 12 58 30.99 +28 10 12.5 u 240
2010-04-21 19:39:12 C 12 58 30.81 +28 10 13.0 u 240
2010-04-21 19:41:32 C 12 58 30.62 +28 10 13.2 u 240
2010-04-21 19:43:06 C 12 58 30.52 +28 10 13.9 u 240
2010-04-21 19:46:13 C 12 58 30.30 +28 10 14.8 u 240
2010-04-21 19:50:55 C 12 58 29.90 +28 10 15.3 u 240
2010-04-21 19:52:28 C 12 58 29.80 +28 10 16.1 u 240
2010-04-21 20:04:11 C 12 58 28.91 +28 10 18.3 u 240
2010-04-21 20:08:52 C 12 58 28.54 +28 10 19.4 u 240
2010-04-22 02:48:29 C 12 57 59.09 +28 11 41.5 u H23
2010-04-22 03:09:23 C 12 57 57.47 +28 11 45.6 u H23
2010-04-22 03:30:15 C 12 57 55.87 +28 11 50.1 u H23
2010-04-25 21:42:37 C 12 51 15.53 +28 23 04.9 17.3 u 084
2010-04-25 21:47:48 C 12 51 15.16 +28 23 05.1 17.3 u 084
2010-04-26 21:52:14 C 12 49 28.94 +28 24 11.6 17.2 o 084
2010-04-26 21:57:25 C 12 49 28.52 +28 24 12.0 17.4 o 084
2010-04-28 21:27:40 C 12 46 00.82 +28 23 57.4 17.3 o 084
2010-04-28 21:32:49 C 12 46 00.37 +28 23 56.5 17.3 o 084
2010-04-28 22:20:34 C 12 45 56.56 +28 23 57.5 17.4 u C20
2010-04-28 22:22:41 C 12 45 56.39 +28 23 57.5 17.4 u C20
2010-04-29 22:51:33 C 12 44 10.49 +28 22 30.8 17.3 u C20
2010-04-29 22:53:40 C 12 44 10.34 +28 22 30.6 17.3 u C20
2010-05-02 21:08:29 C 12 39 13.81 +28 13 28.0 17.3 u 084
2010-05-02 21:13:39 C 12 39 13.44 +28 13 27.2 17.3 u 084
2010-05-04 05:36:24 C 12 37 00.66 +28 06 58.1 17.3 c 704
2010-05-04 05:50:50 C 12 36 59.63 +28 06 54.8 17.6 c 704
2010-05-04 06:05:19 C 12 36 58.58 +28 06 51.3 17.4 c 704
2010-05-04 06:19:51 C 12 36 57.52 +28 06 47.7 17.6 c 704
2010-05-04 06:34:24 C 12 36 56.49 +28 06 44.5 17.5 c 704
2010-05-05 23:10:57 C 12 34 14.28 +27 56 03.6 17.3 o 084
2010-05-05 23:16:07 C 12 34 13.91 +27 56 02.0 17.2 o 084