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
1984-05-27 04:34:59 A 14 55 03.72 +22 56 51.2 15.0 675
1984-05-27 05:10:59 A 14 55 01.16 +22 56 23.7 675
1984-05-27 06:06:59 A 14 54 57.05 +22 55 41.7 675
1984-05-27 06:30:59 A 14 54 55.34 +22 55 21.5 675
1984-05-30 05:21:09 A 14 50 29.13 +21 45 22.4 675
1984-06-13 02:02:27 A 14 04 53.59 -00 37 16.2 A 801
1984-06-13 02:36:04 A 14 04 41.96 -00 43 23.7 A 801
1984-06-13 04:31:29 A 14 04 07.50 -01 04 19.2 688
1984-06-13 05:05:00 A 14 03 55.62 -01 10 26.8 688
1984-06-14 07:00:29 A 13 54 45.26 -06 34 19.5 657
1984-06-14 11:11:30 A 13 53 13.97 -07 29 16.8 12.0 323
1984-06-14 17:19:39 A 13 50 39.42 -09 00 00.4 051
1984-06-14 17:24:39 A 13 50 37.05 -09 01 16.3 051
1984-06-15 02:03:21 A 13 46 33.56 -11 22 05.9 A 801
1984-06-15 05:05:00 A 13 45 04.50 -12 11 59.3 688
1984-06-15 05:10:00 A 13 45 01.76 -12 13 23.0 688
1984-06-15 06:06:59 A 13 44 30.83 -12 29 24.4 688
1984-06-15 06:54:00 A 13 44 20.59 -12 37 55.5 12.0 474
1984-06-15 07:07:01 A 13 44 13.59 -12 41 39.5 474
1984-06-15 07:52:01 A 13 43 49.00 -12 54 30.7 474
1984-06-15 07:54:31 A 13 43 47.60 -12 55 13.6 474
1984-06-15 12:13:01 A 13 41 23.04 -14 10 15.8 474
1984-06-15 12:15:31 A 13 41 21.62 -14 11 00.1 474
1984-06-16 02:26:41 A 13 33 20.67 -18 43 17.7 A 801
1984-06-16 06:36:31 A 13 30 54.55 -20 01 57.5 12.0 474
1984-06-16 06:40:01 A 13 30 52.12 -20 03 09.5 474
1984-06-16 11:42:00 A 13 27 15.32 -21 47 40.8 474
1984-06-16 11:44:31 A 13 27 13.48 -21 48 33.2 474
1984-06-16 12:20:57 A 13 26 56.44 -22 06 55.2 12.0 330
1984-06-18 08:57:31 A 12 45 15.95 -39 44 21.1 474
1984-06-18 08:59:35 A 12 45 13.19 -39 45 13.2 474
1984-06-18 12:27:31 A 12 40 36.03 -41 11 49.3 474
1984-06-18 12:29:45 A 12 40 33.02 -41 12 45.2 474
1984-06-19 09:18:30 A 12 08 34.31 -49 52 04.5 474
1984-06-19 09:20:39 A 12 08 30.17 -49 52 55.5 474
1984-06-19 10:10:30 A 12 06 56.48 -50 12 21.8 474
1984-06-19 10:12:39 A 12 06 52.37 -50 13 12.7 474
1984-06-20 09:40:37 A 11 15 42.22 -58 42 27.1 413
1984-06-20 09:45:37 A 11 15 29.00 -58 43 56.8 413
1984-06-22 08:36:30 A 08 44 56.49 -67 27 50.6 474
1984-06-22 08:38:41 A 08 44 48.86 -67 27 56.3 474
1984-06-22 09:06:31 A 08 43 11.99 -67 29 06.5 474
1984-06-22 09:08:40 A 08 43 04.51 -67 29 12.0 474
1984-06-23 08:35:31 A 07 28 05.40 -67 31 54.4 474
1984-06-23 08:37:45 A 07 27 59.04 -67 31 47.7 474
1984-06-23 17:31:43 A 07 04 44.58 -67 03 50.7 474
1984-06-23 17:35:00 A 07 04 36.32 -67 03 40.2 474
1984-07-25 17:29:19 A 03 28 24.42 -40 37 53.1 474
1984-07-25 17:51:10 A 03 28 23.65 -40 37 43.7 474
1984-08-23 15:55:21 A 03 00 48.46 -37 48 06.4 474