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
2017-12-14 06:56:37 C 04 29 18.96 +18 33 25.3 – U G96
2017-12-14 07:04:10 C 04 29 18.53 +18 33 25.1 – U G96
2017-12-22 11:34:42 C 04 19 58.731 +18 42 35.09 – U F51
2017-12-22 11:52:36 C 04 19 57.938 +18 42 35.92 – U F51
2017-12-26 04:06:11 C 04 16 18.47 +18 47 10.2 – U G96
2017-12-26 04:13:33 C 04 16 18.16 +18 47 10.9 – U G96
2017-12-26 04:20:54 C 04 16 17.94 +18 47 11.0 – U G96
2017-12-26 04:28:17 C 04 16 17.60 +18 47 11.5 – U G96
2018-01-10 09:32:36 C 04 05 12.448 +19 11 01.34 – U F51
2018-01-10 09:50:45 C 04 05 12.049 +19 11 02.76 – U F51
2018-11-14 09:31:14 C 08 53 09.35 +25 28 09.1 – u H21
2018-11-14 09:37:41 C 08 53 09.42 +25 28 10.3 – u H21
2018-11-14 09:49:38 C 08 53 09.51 +25 28 12.1 – u H21
2018-12-14 15:01:39 C 08 49 58.022 +27 49 15.13 – U F51
2018-12-14 15:18:26 C 08 49 57.664 +27 49 19.74 – U F51
2018-12-14 15:35:13 C 08 49 57.321 +27 49 23.80 – U F51
2018-12-31 10:13:43 C 08 38 00.504 +29 42 02.73 – U F51
2018-12-31 10:31:33 C 08 37 59.803 +29 42 08.10 – U F51
2018-12-31 10:49:25 C 08 37 59.103 +29 42 13.11 – U F51
2018-12-31 11:07:27 C 08 37 58.383 +29 42 18.61 – U F51
2019-01-04 07:59:35 C 08 34 14.19 +30 09 09.6 – V G96
2019-01-04 08:07:05 C 08 34 13.86 +30 09 12.3 – V G96
2019-01-04 08:22:02 C 08 34 13.18 +30 09 16.6 – V G96
2019-01-15 09:34:11 C 08 22 00.85 +31 22 19.5 – V G96
2019-01-15 09:49:07 C 08 22 00.16 +31 22 23.7 – V G96
2019-01-15 09:56:33 C 08 21 59.72 +31 22 25.2 – V G96
2019-01-30 07:32:19 C 08 03 46.94 +32 40 52.1 – V G96
2019-01-30 07:39:50 C 08 03 46.51 +32 40 52.9 – V G96
2019-01-30 07:47:20 C 08 03 46.18 +32 40 54.6 – V G96
2019-01-30 07:54:49 C 08 03 45.74 +32 40 55.4 – V G96
2020-07-30 13:48:33 C 03 35 10.68 +04 26 10.8 – V T08
2020-07-30 13:54:31 C 03 35 11.09 +04 26 11.9 – V T08
2020-07-30 14:14:37 C 03 35 12.44 +04 26 15.3 – V T08
2020-07-30 14:32:41 C 03 35 13.71 +04 26 19.0 – V T08
2020-08-19 14:01:46 C 04 03 10.02 +05 16 14.6 – V T08
2020-08-19 14:06:26 C 04 03 10.26 +05 16 14.7 – V T08
2020-08-19 14:14:34 C 04 03 10.60 +05 16 15.7 – V T08
2020-08-19 14:36:29 C 04 03 11.58 +05 16 15.9 – V T08
2020-08-19 14:39:48 C 04 03 11.62 +05 16 17.1 – V T08
2020-08-19 14:45:47 C 04 03 11.92 +05 16 16.4 – V T08
2020-08-19 14:53:16 C 04 03 12.22 +05 16 16.5 – V T08
2020-09-13 14:22:53 C 04 18 40.62 +05 09 56.7 – V T08
2020-09-13 14:52:29 C 04 18 40.74 +05 09 54.8 – V T08
2020-09-13 14:57:10 C 04 18 40.66 +05 09 55.5 – V T08
2020-09-13 15:10:30 C 04 18 40.80 +05 09 54.3 – V T08
2020-09-14 12:34:09 C 04 18 46.363 +05 08 38.01 – U F51
2020-09-14 12:50:51 C 04 18 46.395 +05 08 37.01 – U F51
2020-09-14 13:06:47 C 04 18 46.421 +05 08 36.06 – U F51
2020-09-14 13:22:39 C 04 18 46.444 +05 08 35.12 – U F51
2020-09-14 13:26:11 C 04 18 46.46 +05 08 34.5 – V T05