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
1997-08-05 18:58:31 C 04 33 34.94 -62 30 05.3 z 422
1997-10-22 12:34:10 C 00 38 16.34 -28 37 32.7 z 422
1997-10-22 12:35:50 C 00 38 16.22 -28 37 30.8 z 422
1997-11-05 10:46:35 C 00 34 22.79 -22 19 53.1 z 381
1997-11-05 10:49:41 C 00 34 22.80 -22 19 50.3 z 381
1997-11-05 10:52:42 C 00 34 22.76 -22 19 46.3 z 381
1997-11-06 15:06:34 C 00 34 23.63 -21 49 36.1 z 422
1997-11-06 15:08:59 C 00 34 23.63 -21 49 32.3 z 422
1997-11-06 15:11:26 C 00 34 23.67 -21 49 30.3 z 422
2002-01-13 05:41:28 C 05 24 37.83 +26 01 19.3 d 691
2002-01-13 05:48:08 C 05 24 37.61 +26 01 18.4 d 691
2002-01-13 05:54:35 C 05 24 37.35 +26 01 18.8 d 691
2003-03-09 06:19:02 C 08 50 21.85 +34 22 28.5 c 711
2003-03-09 06:37:35 C 08 50 21.08 +34 22 28.9 c 711
2003-03-09 06:56:07 C 08 50 20.27 +34 22 28.6 c 711
2004-12-11 02:22:05 C 04 45 26.20 +19 37 00.0 c 691
2004-12-11 03:57:15 C 04 45 20.97 +19 37 04.3 c 691
2004-12-11 04:33:53 C 04 45 18.95 +19 37 06.2 c 691
2007-10-20 07:38:41 C 04 14 04.65 +07 15 56.2 19.2 c 704
2007-10-20 07:55:05 C 04 14 03.68 +07 15 55.1 19.5 c 704
2007-10-20 08:27:53 C 04 14 01.96 +07 15 54.2 19.7 c 704
2007-10-20 08:44:23 C 04 14 01.17 +07 15 53.3 19.6 c 704
2007-10-30 10:09:52 C 04 00 30.92 +07 07 53.0 r 703
2007-10-30 10:20:09 C 04 00 30.31 +07 07 53.0 r 703
2007-10-30 10:30:31 C 04 00 29.62 +07 07 51.1 r 703
2007-10-30 10:40:50 C 04 00 29.01 +07 07 51.2 r 703
2007-11-07 06:43:12 C 03 48 37.40 +07 06 53.7 r 703
2007-11-07 06:54:13 C 03 48 36.75 +07 06 52.9 r 703
2007-11-07 07:05:12 C 03 48 36.00 +07 06 53.6 r 703
2007-11-11 06:08:26 C 03 42 26.66 +07 08 39.9 18.9 c 704
2007-11-11 07:02:06 C 03 42 23.10 +07 08 43.3 19.0 c 704
2007-11-11 07:19:56 C 03 42 21.98 +07 08 41.5 19.0 c 704
2007-11-17 07:22:05 C 03 33 10.40 +07 14 40.6 r G96
2007-11-17 07:22:52 C 03 33 10.33 +07 14 41.1 r G96
2007-11-17 07:32:52 C 03 33 09.72 +07 14 41.2 r G96
2007-11-17 07:33:38 C 03 33 09.64 +07 14 41.4 r G96
2007-11-17 07:43:28 C 03 33 09.03 +07 14 41.8 r G96
2007-11-17 07:44:16 C 03 33 08.96 +07 14 42.3 r G96
2007-11-17 07:55:05 C 03 33 08.28 +07 14 42.8 r G96
2007-11-20 04:43:31 C 03 28 54.22 +07 19 04.9 r 703
2007-11-20 04:51:17 C 03 28 53.83 +07 19 05.0 r 703
2007-11-20 04:59:02 C 03 28 53.29 +07 19 05.0 r 703
2007-11-20 05:06:50 C 03 28 52.86 +07 19 05.1 r 703
2007-12-06 04:21:20 C 03 08 46.89 +08 00 41.4 r 703
2007-12-06 04:31:28 C 03 08 46.50 +08 00 43.3 r 703
2007-12-06 04:41:38 C 03 08 45.88 +08 00 44.7 r 703
2007-12-06 04:51:51 C 03 08 45.56 +08 00 47.0 r 703
2010-02-13 09:32:04 C 13 35 52.65 +13 31 48.4 19.4 c 704
2010-02-13 09:49:41 C 13 35 53.15 +13 31 54.0 19.6 c 704
2010-02-13 10:07:20 C 13 35 53.62 +13 32 00.8 19.7 c 704