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
2013-02-21 09:33:13 C 10 42 17.899 +30 37 22.80 L F51
2013-04-24 05:23:57 C 09 44 53.77 +31 54 32.9 u G96
2013-04-24 05:34:08 C 09 44 53.80 +31 54 30.4 u G96
2013-04-24 05:44:19 C 09 44 53.77 +31 54 27.4 u G96
2013-04-24 05:54:32 C 09 44 53.84 +31 54 24.2 u G96
2014-12-29 05:47:43 C 05 31 05.14 +25 10 09.4 q G96
2014-12-29 05:57:14 C 05 31 04.66 +25 10 10.0 q G96
2014-12-29 06:06:46 C 05 31 04.17 +25 10 10.7 q G96
2014-12-29 06:16:17 C 05 31 03.71 +25 10 10.9 q G96
2016-01-13 10:35:11 C 09 41 59.857 +29 01 57.95 L F51
2016-01-13 10:50:39 C 09 41 59.302 +29 02 03.81 L F51
2016-01-13 11:06:09 C 09 41 58.742 +29 02 09.46 L F51
2016-01-13 11:21:37 C 09 41 58.175 +29 02 15.42 L F51
2016-01-30 07:07:39 C 09 24 27.25 +31 29 54.1 q G96
2016-01-30 07:23:07 C 09 24 26.46 +31 29 59.4 q G96
2016-01-30 07:35:17 C 09 24 25.84 +31 30 03.5 q G96
2016-01-30 07:47:28 C 09 24 25.23 +31 30 07.8 q G96
2016-02-06 05:49:03 C 09 15 47.37 +32 23 23.1 q G96
2016-02-06 06:01:47 C 09 15 46.65 +32 23 26.8 q G96
2016-02-06 06:14:30 C 09 15 45.96 +32 23 30.6 q G96
2016-02-06 06:27:16 C 09 15 45.27 +32 23 36.3 q G96
2016-02-06 09:07:43 C 09 15 36.770 +32 24 22.81 L F51
2016-02-06 09:22:58 C 09 15 35.935 +32 24 27.37 L F51
2016-02-06 09:38:11 C 09 15 35.095 +32 24 31.94 L F51
2016-02-06 09:53:28 C 09 15 34.268 +32 24 36.47 L F51
2016-02-12 08:32:53 C 09 07 54.300 +33 03 37.06 L F51
2016-02-12 08:51:15 C 09 07 53.281 +33 03 41.59 L F51
2016-02-12 09:07:45 C 09 07 52.376 +33 03 45.62 L F51
2016-02-14 07:51:29 C 09 05 22.024 +33 14 57.67 L F51
2016-02-14 08:24:25 C 09 05 20.245 +33 15 05.77 L F51
2016-02-14 08:41:09 C 09 05 19.302 +33 15 09.60 L F51
2016-03-04 05:51:06 C 08 43 23.392 +34 19 30.88 L F51
2016-03-04 06:08:48 C 08 43 22.654 +34 19 31.93 L F51
2016-03-04 06:26:40 C 08 43 21.902 +34 19 32.88 L F51
2016-03-04 06:44:33 C 08 43 21.147 +34 19 33.95 L F51
2016-03-29 06:14:43 C 08 28 25.124 +33 54 53.08 L F51
2016-03-29 06:53:15 C 08 28 24.774 +33 54 48.59 L F51
2017-11-25 16:53:11 C 04 53 57.92 +18 13 55.0 q D29
2017-11-25 17:41:32 C 04 53 55.16 +18 13 58.2 q D29
2017-11-26 08:25:17 C 04 53 05.23 +18 14 38.6 U G96
2017-11-26 08:32:51 C 04 53 04.81 +18 14 38.8 U G96
2017-11-26 08:40:28 C 04 53 04.38 +18 14 39.3 U G96
2017-12-10 06:54:20 C 04 34 21.248 +18 29 14.74 U F51
2017-12-10 07:12:15 C 04 34 20.269 +18 29 15.50 U F51
2017-12-10 07:30:07 C 04 34 19.295 +18 29 16.38 U F51
2017-12-10 07:47:58 C 04 34 18.318 +18 29 17.20 U F51
2017-12-10 15:33:07 C 04 33 53.21 +18 29 36.4 q D29
2017-12-10 15:53:28 C 04 33 52.14 +18 29 37.5 q D29
2017-12-14 06:41:26 C 04 29 19.72 +18 33 23.9 U G96
2017-12-14 06:49:01 C 04 29 19.32 +18 33 25.1 U G96