IAA RAS IAA Minor Planet Database

2020 DM4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4556668649 ± 2.72e-06
Semi-major axis (a)1.8877362206 AU ± 1.00e-05
Inclination (i)4.10756064° ± 2.01e-05
Long. of Asc. Node (Ω)6.70523801° ± 2.24e-05
Arg. of Perihelion (ω)222.82542193° ± 3.87e-05
Mean Anomaly (M)48.19410063° ± 6.12e-03
Mean Motion (n)0.3800146267°/day ± 3.03e-06
Perihelion dist (q)1.02755738 AU ± 7.49e-06
Aphelion dist (Q)2.74791507 AU ± 1.55e-05
Orbital Period2.59365354 yr ± 2.07e-05
Physical Parameters
H (abs. magnitude)21.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.261″
Uncertainty1
Orbit TypeAmor
MOID0.046482 AU
Observations Used330
Oppositions1
Arc Total2020-2020
First Observation Used2020-02-26
Last Observation Used2020-08-23
Observations (363)
Date Type RA Dec Mag Band Observatory
2020-02-26 16:19:18 C 11 22 47.18 +12 49 39.8 – q D29
2020-02-26 16:19:18 C 11 22 47.18 +12 49 40.0 – q D29
2020-02-26 16:39:40 C 11 22 46.88 +12 49 37.7 – q D29
2020-02-26 16:39:40 C 11 22 46.89 +12 49 37.9 – q D29
2020-02-26 17:00:02 C 11 22 46.52 +12 49 36.7 – q D29
2020-02-26 17:00:02 C 11 22 46.52 +12 49 36.9 – q D29
2020-02-27 06:26:05 C 11 22 37.75 +12 48 51.0 – V I52
2020-02-27 06:39:26 C 11 22 37.51 +12 48 50.0 – V I52
2020-02-27 06:52:46 C 11 22 37.24 +12 48 49.8 – V I52
2020-02-27 07:08:44 C 11 22 36.94 +12 48 49.1 – V I52
2020-02-28 00:19:14 C 11 22 23.923 +12 47 46.84 – V J04
2020-02-28 00:20:48 C 11 22 23.883 +12 47 46.66 – V J04
2020-02-28 00:22:24 C 11 22 23.852 +12 47 46.60 – V J04
2020-02-28 04:04:56 C 11 22 18.89 +12 47 23.4 – V C95
2020-02-28 04:27:31 C 11 22 18.54 +12 47 20.7 – V C95
2020-02-28 05:57:09 C 11 22 19.40 +12 47 21.2 – q 858
2020-02-28 06:19:25 C 11 22 18.94 +12 47 20.0 – q 858
2020-02-28 06:42:02 C 11 22 18.49 +12 47 18.7 – q 858
2020-02-28 08:01:33 C 11 22 16.53 +12 47 10.9 – V H36
2020-02-28 08:12:23 C 11 22 16.31 +12 47 10.5 – V H36
2020-02-28 08:23:10 C 11 22 16.10 +12 47 09.7 – V H36
2020-02-28 17:49:01 C 11 22 08.55 +12 46 36.5 – c O49
2020-02-28 17:53:08 C 11 22 08.62 +12 46 37.1 – c O49
2020-02-28 19:06:03 C 11 22 08.45 +12 46 22.3 – S 119
2020-02-28 19:14:05 C 11 22 08.28 +12 46 21.9 – S 119
2020-02-28 19:22:08 C 11 22 08.12 +12 46 21.2 – S 119
2020-02-28 22:24:24 C 11 22 05.10 +12 46 06.8 – V 203
2020-02-28 23:11:05 C 11 22 04.15 +12 46 04.1 – V 203
2020-02-28 23:20:06 C 11 22 03.89 +12 46 03.3 – V 595
2020-02-28 23:48:36 C 11 22 03.25 +12 46 01.1 – V 595
2020-02-29 00:02:08 C 11 22 03.87 +12 46 07.4 – V J04
2020-02-29 00:05:18 C 11 22 03.81 +12 46 07.3 – V J04
2020-02-29 00:17:07 C 11 22 02.62 +12 45 58.8 – V 595
2020-02-29 00:19:05 C 11 22 02.58 +12 45 58.9 – V L01
2020-02-29 00:31:14 C 11 22 02.34 +12 45 57.8 – V L01
2020-02-29 00:43:25 C 11 22 02.09 +12 45 56.6 – V L01
2020-02-29 02:02:24 C 11 22 01.16 +12 45 59.2 – c J04
2020-02-29 02:19:14 C 11 22 00.76 +12 45 58.3 – c J04
2020-02-29 02:36:04 C 11 22 00.41 +12 45 56.8 – c J04
2020-02-29 02:52:54 C 11 21 59.98 +12 45 55.4 – c J04
2020-02-29 06:13:35 C 11 21 57.07 +12 46 08.7 – u 807
2020-02-29 06:19:06 C 11 21 56.94 +12 46 08.3 – u 807
2020-02-29 06:24:27 C 11 21 56.81 +12 46 07.7 – u 807
2020-03-01 16:05:38 C 11 21 25.04 +12 42 47.3 – V O49
2020-03-01 17:05:54 C 11 21 23.52 +12 42 42.7 – V O49
2020-03-01 19:05:26 C 11 21 20.40 +12 42 31.8 – V O49
2020-03-02 06:04:27 C 11 21 08.75 +12 41 55.8 – u 807
2020-03-02 06:11:08 C 11 21 08.58 +12 41 55.2 – u 807
2020-03-02 06:17:49 C 11 21 08.40 +12 41 54.4 – u 807
2020-03-02 06:24:12 C 11 21 08.24 +12 41 53.8 – u 807