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
1997-03-28 08:56:10 C 14 31 20.22 +18 34 12.5 658
1997-03-28 09:05:48 C 14 31 20.27 +18 34 19.4 658
1997-04-07 23:07:09 C 14 28 41.03 +21 30 33.9 z 557
1997-04-07 23:14:47 C 14 28 40.86 +21 30 39.2 z 557
1997-05-01 01:38:47 C 14 03 52.14 +26 39 30.3 z 619
1997-05-01 01:45:46 C 14 03 51.66 +26 39 32.3 z 619
1997-05-01 02:10:52 C 14 03 49.84 +26 39 39.4 z 619
1997-05-01 02:19:29 C 14 03 49.22 +26 39 41.8 z 619
1997-05-01 20:46:18 C 14 02 35.28 +26 44 59.8 z 127
1997-05-01 20:48:29 C 14 02 35.34 +26 45 02.6 z 619
1997-05-01 20:56:30 C 14 02 34.50 +26 45 02.5 z 127
1997-05-01 20:58:54 C 14 02 34.51 +26 45 06.3 z 619
1997-05-01 21:05:19 C 14 02 34.12 +26 45 09.3 z 619
1997-05-01 21:19:22 C 14 02 32.80 +26 45 09.7 z 631
1997-05-01 21:31:02 C 14 02 31.90 +26 45 12.8 z 631
1997-05-01 21:34:50 C 14 02 31.96 +26 45 16.7 z 619
1997-05-02 23:29:30 C 14 00 42.78 +26 51 53.1 z 127
1997-05-02 23:37:34 C 14 00 42.17 +26 51 55.0 z 127
1997-05-03 21:14:32 C 13 59 10.19 +26 56 43.6 z 046
1997-05-03 21:18:38 C 13 59 09.86 +26 56 44.6 z 046
1997-05-03 21:21:30 C 13 59 09.64 +26 56 45.2 z 046
1997-05-05 15:00:30 C 13 56 05.90 +27 03 58.4 360
1997-05-05 15:04:59 C 13 56 05.54 +27 03 59.0 360
1997-05-08 21:03:04 C 13 50 07.30 +27 09 16.2 z 121
1997-05-08 22:13:41 C 13 50 01.36 +27 09 15.1 z 121
1997-05-08 22:48:39 C 13 49 58.46 +27 09 14.2 z 121
1997-05-08 23:58:31 C 13 49 52.72 +27 09 12.2 z 121
1997-05-10 23:44:42 C 13 46 04.52 +27 06 44.9 z 118
1997-05-10 23:57:25 C 13 46 03.43 +27 06 43.4 z 118
1997-05-11 04:54:14 C 13 45 39.10 +27 06 42.2 z 861
1997-05-11 05:03:15 C 13 45 38.33 +27 06 37.9 z 861
1997-05-12 21:35:22 C 13 42 21.36 +27 00 05.1 z 127
1997-05-12 21:43:44 C 13 42 20.59 +27 00 03.6 z 127
1997-05-15 05:19:52 C 13 37 43.33 +26 46 12.4 i 711
1997-05-15 05:25:13 C 13 37 42.84 +26 46 10.8 i 711
1997-05-18 03:54:16 C 13 31 43.87 +26 18 51.4 z 861
1997-05-18 04:07:57 C 13 31 42.66 +26 18 44.3 z 861
1997-05-18 04:20:13 C 13 31 41.48 +26 18 37.6 z 861
1997-05-18 13:15:16 C 13 30 57.08 +26 13 53.9 z 381
1997-05-18 13:17:38 C 13 30 56.86 +26 13 52.6 z 381
1997-05-18 13:20:00 C 13 30 56.64 +26 13 51.5 z 381
1997-05-21 09:45:25 C 13 25 03.11 +25 34 08.6 c 608
1997-05-21 10:40:21 C 13 24 57.93 +25 33 30.4 c 608
1997-05-23 22:03:20 C 13 19 49.44 +24 48 42.8 z 628
1997-05-23 22:23:20 C 13 19 47.57 +24 48 26.1 z 628
1997-05-23 22:51:21 C 13 19 44.96 +24 48 02.1 z 628
1997-05-23 23:06:20 C 13 19 43.57 +24 47 49.1 z 628
1997-05-24 20:39:48 C 13 17 51.56 +24 29 17.4 z 610
1997-05-24 20:55:27 C 13 17 50.07 +24 29 03.3 z 610
1997-05-24 21:03:28 C 13 17 49.31 +24 28 56.1 z 610