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
1984-08-23 16:38:40 A 03 00 45.43 -37 48 01.1 474
1984-09-04 13:02:00 A 02 39 35.16 -37 01 31.1 568
1984-09-20 14:40:11 A 02 03 21.56 -34 42 10.9 474
1984-09-20 15:21:30 A 02 03 17.28 -34 41 49.0 474
1984-09-22 10:34:00 A 01 59 04.26 -34 18 57.4 675
1984-09-22 10:54:00 A 01 59 02.54 -34 18 38.8 675
1984-10-21 08:21:59 A 01 06 08.23 -25 08 31.2 568
1984-10-21 09:22:59 A 01 06 05.18 -25 07 33.7 568
1984-10-22 09:11:00 A 01 04 59.48 -24 45 26.5 568
1984-10-22 09:45:00 A 01 04 57.81 -24 44 54.6 568
1984-10-25 04:43:08 A 01 02 09.34 -23 42 30.9 A 801
1984-10-27 11:16:41 A 01 00 10.41 -22 51 18.4 474
1984-10-27 12:59:30 A 01 00 06.52 -22 49 39.9 474
1987-02-19 08:37:12 A 11 14 19.21 +28 31 23.5 675
1987-02-19 08:56:19 A 11 14 18.31 +28 31 33.2 675
1987-02-28 09:12:35 A 11 03 01.52 +30 19 43.3 B 691
1987-02-28 09:32:17 A 11 03 00.36 +30 19 52.0 B 691
1987-02-28 09:50:03 A 11 02 59.34 +30 20 00.3 B 691
1987-03-02 07:56:00 A 11 00 21.50 +30 40 56.6 B 691
1987-03-02 08:20:15 A 11 00 20.02 +30 41 08.1 B 691
1987-03-02 08:30:10 A 11 00 19.51 +30 41 12.1 B 691
1987-03-08 08:40:24 A 10 51 45.79 +31 40 02.8 688
1987-03-08 08:53:43 A 10 51 44.97 +31 40 07.4 688
1987-03-27 06:36:52 A 10 25 33.79 +33 20 08.0 B 691
1987-03-27 06:59:57 A 10 25 32.65 +33 20 09.7 B 691
1987-03-27 07:07:12 A 10 25 32.16 +33 20 09.8 B 691
1987-05-01 06:31:39 A 10 05 57.37 +30 53 19.2 B 691
1987-05-01 06:43:42 A 10 05 57.46 +30 53 15.4 B 691
1987-05-01 07:11:49 A 10 05 57.57 +30 53 04.7 B 691
1987-05-02 05:39:27 A 10 06 06.83 +30 44 53.0 B 691
1987-05-02 06:15:44 A 10 06 07.02 +30 44 40.9 B 691
1987-05-02 06:26:33 A 10 06 07.13 +30 44 36.7 B 691
1987-05-02 06:33:12 A 10 06 07.19 +30 44 33.7 B 691
1987-05-08 04:23:24 A 10 07 51.49 +29 49 08.5 675
1987-05-08 04:39:59 A 10 07 51.71 +29 49 02.0 675
1987-05-09 04:30:00 A 10 08 16.72 +29 39 07.6 675
1987-05-09 04:41:24 A 10 08 16.89 +29 39 03.1 675
1994-11-08 16:23:59 C 04 00 45.82 +09 01 37.3 z 360
1994-11-08 16:30:59 C 04 00 45.39 +09 01 36.7 z 360
1994-11-24 13:16:45 C 03 37 10.17 +09 14 57.9 z 360
1994-11-24 13:24:29 C 03 37 09.72 +09 14 58.9 z 360
1994-11-28 03:53:33 c 03 32 15.13 +09 21 14.1 i 691
1994-11-28 04:27:08 c 03 32 13.21 +09 21 18.2 i 691
1994-11-30 14:55:45 C 03 29 03.85 +09 26 16.4 z 360
1994-11-30 15:03:15 C 03 29 03.42 +09 26 17.4 z 360
1994-11-30 15:15:29 C 03 29 02.80 +09 26 17.8 z 360
1997-02-11 12:02:33 C 14 00 54.44 +10 12 35.7 c 608
1997-02-11 12:32:43 C 14 00 55.81 +10 12 42.5 c 608
1997-03-11 18:32:15 C 14 26 22.38 +14 29 47.7 360
1997-03-11 18:40:00 C 14 26 22.55 +14 29 51.8 360