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
1997-05-25 12:56:14 C 13 16 25.70 +24 14 24.3 360
1997-05-25 13:00:00 C 13 16 25.34 +24 14 20.8 360
1997-05-25 21:18:05 C 13 15 41.81 +24 06 15.2 z 631
1997-05-25 22:12:52 C 13 15 36.61 +24 05 20.4 z 631
1997-05-31 05:49:50 C 13 04 19.70 +21 36 10.0 z 710
1997-06-02 04:04:40 C 13 00 12.53 +20 28 22.2 z 710
1997-06-02 04:53:30 C 13 00 07.52 +20 27 06.1 z 710
1997-06-02 21:25:56 C 12 58 38.42 +20 00 38.1 z 631
1997-06-02 22:59:01 C 12 58 29.49 +19 58 04.9 z 631
1997-06-03 21:54:44 C 12 56 25.38 +19 19 47.3 557
1997-06-03 23:00:28 C 12 56 19.10 +19 17 52.5 557
1997-06-03 23:32:30 C 12 56 16.07 +19 16 56.2 557
1997-06-03 23:53:32 C 12 56 14.11 +19 16 19.1 557
1997-06-04 00:02:33 C 12 56 13.27 +19 16 03.1 557
1997-06-06 21:05:10 C 12 49 55.16 +17 06 38.7 557
1997-06-06 21:41:54 C 12 49 51.50 +17 05 23.2 557
1997-06-06 22:20:21 C 12 49 47.74 +17 04 03.9 557
1997-06-06 23:00:41 C 12 49 43.84 +17 02 40.4 557
1997-06-06 23:39:00 C 12 49 40.15 +17 01 21.0 557
1997-06-07 22:23:25 C 12 47 33.38 +16 13 45.0 z 118
1997-06-07 22:40:43 C 12 47 31.68 +16 13 07.4 z 118
1997-06-09 21:26:36 C 12 43 06.79 +14 27 04.4 557
1997-06-09 22:04:03 C 12 43 02.98 +14 25 33.8 557
1997-06-09 22:16:14 C 12 43 01.75 +14 25 04.6 557
1997-06-09 22:38:09 C 12 42 59.55 +14 24 11.4 557
1997-06-10 07:34:58 C 12 42 07.98 +14 02 32.3 658
1997-06-10 07:37:18 C 12 42 07.72 +14 02 26.7 658
1997-06-10 07:39:08 C 12 42 07.55 +14 02 22.0 658
1997-06-10 21:18:58 C 12 40 48.61 +13 28 28.0 557
1997-06-10 22:24:52 C 12 40 41.83 +13 25 40.2 557
1997-06-10 23:21:19 C 12 40 36.13 +13 23 16.0 557
1997-06-11 21:11:58 C 12 38 28.14 +12 26 40.5 557
1997-06-11 21:54:05 C 12 38 23.74 +12 24 47.3 557
1997-06-11 22:42:06 C 12 38 18.77 +12 22 38.2 557
1997-06-12 11:56:30 C 12 37 00.56 +11 47 05.4 360
1997-06-12 12:00:30 C 12 37 00.11 +11 46 54.3 360
1997-06-13 06:30:25 C 12 35 07.69 +10 54 52.2 658
1997-06-13 06:32:02 C 12 35 07.51 +10 54 47.9 658
1997-06-13 06:36:55 C 12 35 07.01 +10 54 33.8 658
1997-06-13 06:39:06 C 12 35 06.77 +10 54 27.0 658
1997-06-16 08:03:13 C 12 27 21.58 +07 07 09.2 c 608
1997-06-16 08:20:44 C 12 27 19.49 +07 06 10.1 c 608
1997-07-14 09:40:09 C 09 37 03.66 -54 17 03.4 z 422
1997-07-14 09:41:27 C 09 37 02.94 -54 17 09.1 z 422
1997-07-14 09:42:21 C 09 37 02.45 -54 17 12.9 z 422
1997-07-21 08:42:23 C 07 50 07.79 -63 09 00.3 z 422
1997-07-21 08:43:17 C 07 50 07.14 -63 09 01.9 z 422
1997-07-21 08:44:10 C 07 50 06.55 -63 09 02.8 z 422
1997-08-05 18:53:46 C 04 33 36.58 -62 30 09.3 z 422
1997-08-05 18:57:08 C 04 33 35.43 -62 30 06.3 z 422