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
2020-10-18 11:08:33 C 03 56 08.00 +04 06 19.9 – V T08
2020-10-18 11:13:52 C 03 56 07.67 +04 06 19.1 – V T08
2020-10-18 11:17:50 C 03 56 07.44 +04 06 19.1 – V T08
2020-10-18 11:29:46 C 03 56 06.75 +04 06 18.6 – V T08
2020-10-19 11:45:22 C 03 54 44.087 +04 04 57.26 – U F52
2020-10-19 12:02:24 C 03 54 43.074 +04 04 56.29 – U F52
2020-10-19 12:19:23 C 03 54 42.058 +04 04 55.37 – U F52
2020-10-19 12:36:22 C 03 54 41.044 +04 04 54.42 – U F52
2020-10-20 10:38:52 C 03 53 24.64 +04 03 45.9 – V T05
2020-10-20 11:00:01 C 03 53 23.33 +04 03 44.9 – V T05
2020-10-20 11:04:00 C 03 53 23.10 +04 03 44.1 – V T05
2020-10-20 11:12:38 C 03 53 22.56 +04 03 43.8 – V T05
2020-10-22 07:10:43 C 03 50 45.65 +04 01 40.1 – V 703
2020-10-22 07:19:22 C 03 50 45.16 +04 01 39.5 – V 703
2020-10-22 07:28:01 C 03 50 44.63 +04 01 38.7 – V 703
2020-10-22 07:36:39 C 03 50 44.04 +04 01 38.6 – V 703
2020-10-22 10:40:21 C 03 50 32.93 +04 01 32.7 – V T08
2020-10-22 10:47:42 C 03 50 32.47 +04 01 32.2 – V T08
2020-10-22 10:51:42 C 03 50 32.22 +04 01 31.7 – V T08
2020-10-22 11:04:53 C 03 50 31.41 +04 01 31.4 – V T08
2020-10-24 12:20:44 C 03 47 29.191 +03 59 40.60 – U F52
2020-10-24 12:36:13 C 03 47 28.20 +03 59 39.8 – V T05
2020-10-24 12:46:47 C 03 47 27.54 +03 59 39.1 – V T05
2020-10-24 12:52:52 C 03 47 27.12 +03 59 39.8 – V T05
2020-10-24 12:54:29 C 03 47 27.010 +03 59 39.40 – U F52
2020-10-24 13:08:10 C 03 47 26.15 +03 59 39.0 – V T05
2020-10-24 13:11:17 C 03 47 25.926 +03 59 38.87 – U F52
2020-10-27 06:18:40 C 03 43 17.98 +03 57 55.0 – V 703
2020-10-27 06:40:18 C 03 43 16.66 +03 57 57.6 – V 703
2020-11-05 10:47:03 C 03 28 41.58 +03 59 10.1 – V G96
2020-11-05 10:54:25 C 03 28 41.10 +03 59 10.3 – V G96
2020-11-05 11:01:45 C 03 28 40.58 +03 59 10.4 – V G96
2020-11-05 11:09:06 C 03 28 40.12 +03 59 10.4 – V G96
2020-11-07 10:53:57 C 03 25 29.51 +04 01 01.5 – V T08
2020-11-07 10:58:36 C 03 25 29.16 +04 01 03.1 – V T08
2020-11-07 11:06:34 C 03 25 28.62 +04 01 02.8 – V T08
2020-11-07 11:23:53 C 03 25 27.38 +04 01 03.2 – V T08
2020-11-09 04:36:33 C 03 22 44.22 +04 03 05.1 – V V19
2020-11-09 05:12:42 C 03 22 41.81 +04 03 06.3 – V V19
2020-11-09 05:50:49 C 03 22 39.21 +04 03 09.6 – V V19
2020-11-10 11:05:30 C 03 20 43.93 +04 04 54.8 – V T05
2020-11-10 11:23:59 C 03 20 42.71 +04 04 56.5 – V T05
2020-11-10 11:33:41 C 03 20 42.04 +04 04 57.1 – V T05
2020-11-10 11:45:20 C 03 20 41.25 +04 04 57.2 – V T05
2020-11-10 23:12:42 C 03 19 56.64 +04 05 39.6 – V 130
2020-11-10 23:16:39 C 03 19 56.39 +04 05 39.8 – V 130
2020-11-10 23:20:36 C 03 19 56.13 +04 05 40.0 – V 130
2020-11-11 13:40:09 C 03 18 59.99 +04 06 40.3 – V T08
2020-11-11 13:45:27 C 03 18 59.69 +04 06 41.7 – V T08
2020-11-11 14:56:40 C 03 18 55.01 +04 06 46.0 – V T08