IAA RAS IAA Minor Planet Database

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
2020-09-14 13:28:49 C 04 18 46.44 +05 08 33.9 – V T05
2020-09-14 13:36:45 C 04 18 46.50 +05 08 34.5 – V T05
2020-09-14 13:52:42 C 04 18 46.52 +05 08 33.6 – V T05
2020-09-16 11:33:16 C 04 18 50.50 +05 05 38.8 – U I41
2020-09-16 12:08:21 C 04 18 50.42 +05 05 36.7 – U I41
2020-09-16 12:13:58 C 04 18 50.67 +05 05 37.5 – V T08
2020-09-16 12:23:15 C 04 18 50.68 +05 05 37.0 – V T08
2020-09-16 12:40:37 C 04 18 50.69 +05 05 36.0 – V T08
2020-09-16 12:50:35 C 04 18 50.64 +05 05 34.8 – V T08
2020-09-19 09:28:09 C 04 18 38.21 +05 00 48.7 – U I41
2020-09-19 10:09:40 C 04 18 37.94 +05 00 45.9 – U I41
2020-09-20 12:39:48 C 04 18 27.20 +04 58 51.3 – V T08
2020-09-20 12:45:06 C 04 18 27.13 +04 58 50.1 – V T08
2020-09-20 12:49:07 C 04 18 27.15 +04 58 49.9 – V T08
2020-09-20 12:56:25 C 04 18 27.02 +04 58 49.3 – V T08
2020-09-26 13:35:39 C 04 16 29.608 +04 47 21.93 – U F52
2020-09-26 13:51:28 C 04 16 29.269 +04 47 20.59 – U F52
2020-09-26 14:07:20 C 04 16 28.933 +04 47 19.31 – U F52
2020-09-26 14:23:17 C 04 16 28.594 +04 47 18.00 – U F52
2020-10-01 12:40:49 C 04 13 39.313 +04 37 19.54 – U F52
2020-10-01 12:57:25 C 04 13 38.809 +04 37 18.08 – U F52
2020-10-01 13:14:06 C 04 13 38.298 +04 37 16.60 – U F52
2020-10-01 13:30:47 C 04 13 37.788 +04 37 15.08 – U F52
2020-10-08 12:40:13 C 04 07 48.32 +04 23 15.9 – V T05
2020-10-08 12:45:33 C 04 07 48.09 +04 23 14.6 – V T05
2020-10-08 13:21:21 C 04 07 46.53 +04 23 12.5 – V T05
2020-10-08 14:02:06 C 04 07 44.72 +04 23 09.7 – V T05
2020-10-11 10:08:40 C 04 04 47.07 +04 17 46.1 – V 703
2020-10-11 10:16:22 C 04 04 46.71 +04 17 45.3 – V 703
2020-10-11 10:24:04 C 04 04 46.34 +04 17 46.0 – V 703
2020-10-11 10:31:46 C 04 04 45.93 +04 17 44.8 – V 703
2020-10-14 08:31:50 C 04 01 23.81 +04 12 37.7 – V 703
2020-10-14 08:39:24 C 04 01 23.44 +04 12 37.0 – V 703
2020-10-14 08:46:58 C 04 01 23.01 +04 12 37.4 – V 703
2020-10-14 08:54:32 C 04 01 22.58 +04 12 37.6 – V 703
2020-10-14 09:51:25 C 04 01 19.907 +04 12 32.68 – U F52
2020-10-14 10:09:07 C 04 01 18.986 +04 12 31.49 – U F52
2020-10-14 10:26:50 C 04 01 18.065 +04 12 30.30 – U F52
2020-10-14 10:44:29 C 04 01 17.139 +04 12 29.08 – U F52
2020-10-14 14:30:45 C 04 01 05.209 +04 12 13.38 – U F51
2020-10-14 14:42:29 C 04 01 04.591 +04 12 12.53 – U F51
2020-10-14 14:54:16 C 04 01 03.967 +04 12 11.72 – U F51
2020-10-16 08:33:21 C 03 58 54.15 +04 09 23.4 – V G96
2020-10-16 08:40:48 C 03 58 53.74 +04 09 22.9 – V G96
2020-10-16 08:48:15 C 03 58 53.32 +04 09 22.4 – V G96
2020-10-16 08:55:42 C 03 58 52.91 +04 09 22.1 – V G96
2020-10-17 10:41:11 C 03 57 29.06 +04 07 45.5 – V 703
2020-10-17 10:51:27 C 03 57 28.54 +04 07 44.2 – V 703
2020-10-17 11:01:43 C 03 57 27.99 +04 07 44.5 – V 703
2020-10-17 11:11:59 C 03 57 27.36 +04 07 43.0 – V 703