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
2020-11-11 15:01:13 C 03 18 54.74 +04 06 47.2 – V T08
2020-11-12 07:10:06 C 03 17 52.79 +04 07 56.0 – U I41
2020-11-12 07:11:27 C 03 17 52.70 +04 07 56.1 – U I41
2020-11-12 07:40:48 C 03 17 50.75 +04 07 58.3 – U I41
2020-11-12 07:42:09 C 03 17 50.67 +04 07 58.5 – U I41
2020-11-12 11:20:20 C 03 17 36.570 +04 08 16.30 – U F51
2020-11-12 11:37:47 C 03 17 35.410 +04 08 17.67 – U F51
2020-11-13 06:28:29 C 03 16 23.47 +04 09 46.0 – V 703
2020-11-13 06:51:19 C 03 16 22.00 +04 09 48.1 – V 703
2020-11-15 06:25:14 C 03 13 22.78 +04 13 56.3 – U I41
2020-11-15 07:03:58 C 03 13 20.31 +04 13 59.9 – U I41
2020-11-16 06:49:34 C 03 11 52.60 +04 16 18.4 – U I41
2020-11-16 06:50:55 C 03 11 52.52 +04 16 18.6 – U I41
2020-11-16 07:39:20 C 03 11 49.49 +04 16 23.4 – U I41
2020-11-16 07:40:42 C 03 11 49.39 +04 16 23.6 – U I41
2020-11-16 08:10:25 C 03 11 47.817 +04 16 27.92 – U F52
2020-11-16 08:12:47 C 03 11 47.35 +04 16 26.9 – V G96
2020-11-16 08:20:11 C 03 11 46.88 +04 16 27.7 – V G96
2020-11-16 08:26:07 C 03 11 46.829 +04 16 29.47 – U F52
2020-11-16 08:27:35 C 03 11 46.42 +04 16 28.5 – V G96
2020-11-16 08:34:59 C 03 11 45.95 +04 16 29.1 – V G96
2020-11-16 08:41:49 C 03 11 45.843 +04 16 31.13 – U F52
2020-11-16 08:57:33 C 03 11 44.853 +04 16 32.67 – U F52
2020-11-17 05:43:33 C 03 10 29.36 +04 18 40.4 – U I41
2020-11-17 06:32:02 C 03 10 26.35 +04 18 45.5 – U I41
2020-11-17 08:47:27 C 03 10 18.28 +04 19 01.1 – V T05
2020-11-17 08:50:09 C 03 10 18.10 +04 19 01.6 – V T05
2020-11-17 09:02:52 C 03 10 17.29 +04 19 03.0 – V T05
2020-11-17 09:56:21 C 03 10 13.91 +04 19 08.5 – V T05
2020-11-20 09:01:00 C 03 06 04.533 +04 27 26.59 – U F52
2020-11-20 09:19:38 C 03 06 03.437 +04 27 28.93 – U F52
2020-11-20 09:38:23 C 03 06 02.335 +04 27 31.33 – U F52
2020-11-20 09:57:06 C 03 06 01.236 +04 27 33.69 – U F52
2020-12-06 07:00:30 C 02 48 20.30 +05 32 43.9 – V G96
2020-12-06 07:07:51 C 02 48 20.06 +05 32 45.2 – V G96
2020-12-06 07:15:15 C 02 48 19.80 +05 32 46.7 – V G96
2020-12-06 07:22:37 C 02 48 19.52 +05 32 48.5 – V G96
2020-12-07 06:24:40 C 02 47 32.520 +05 37 44.59 – U F52
2020-12-07 06:41:18 C 02 47 31.935 +05 37 48.20 – U F52
2020-12-07 07:14:44 C 02 47 30.766 +05 37 55.51 – U F52
2020-12-10 05:08:39 C 02 45 19.39 +05 53 25.0 – U I41
2020-12-10 06:14:29 C 02 45 17.37 +05 53 40.2 – U I41
2020-12-10 07:37:29 C 02 45 14.85 +05 53 58.9 – U I41
2020-12-12 04:29:08 C 02 44 00.93 +06 04 23.9 – U I41
2020-12-12 04:37:18 C 02 44 00.72 +06 04 25.9 – U I41
2020-12-12 05:22:42 C 02 43 59.48 +06 04 36.5 – U I41
2020-12-12 06:07:48 C 02 43 58.23 +06 04 47.2 – U I41
2020-12-12 07:24:46 C 02 43 56.349 +06 05 06.57 – U F52
2020-12-12 07:42:33 C 02 43 55.862 +06 05 10.69 – U F52
2020-12-12 08:00:20 C 02 43 55.370 +06 05 14.90 – U F52