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
2020-03-02 18:42:41 C 11 20 54.36 +12 40 08.3 – V O49
2020-03-02 19:13:20 C 11 20 53.56 +12 40 04.7 – V O49
2020-03-02 20:13:19 C 11 20 51.59 +12 39 56.4 – V O49
2020-03-04 01:48:50 C 11 20 16.82 +12 36 19.8 – V 204
2020-03-04 02:04:49 C 11 20 16.40 +12 36 17.7 – V 204
2020-03-04 06:29:40 C 11 20 12.50 +12 35 50.2 – U I41
2020-03-04 06:59:41 C 11 20 11.62 +12 35 46.9 – U I41
2020-03-04 09:22:18 C 11 20 07.23 +12 35 28.6 – V V06
2020-03-04 09:27:06 C 11 20 07.06 +12 35 27.3 – V V06
2020-03-04 09:31:49 C 11 20 06.94 +12 35 26.9 – V V06
2020-03-04 09:36:43 C 11 20 06.97 +12 35 26.3 – U I41
2020-03-04 10:06:19 C 11 20 06.13 +12 35 22.2 – U I41
2020-03-05 05:19:29 C 11 19 42.96 +12 32 42.1 – U I41
2020-03-05 05:19:58 C 11 19 42.81 +12 32 43.0 – V G96
2020-03-05 05:24:38 C 11 19 42.66 +12 32 42.5 – V G96
2020-03-05 05:28:03 C 11 19 42.57 +12 32 42.0 – V G96
2020-03-05 05:32:42 C 11 19 42.43 +12 32 41.5 – V G96
2020-03-05 05:36:06 C 11 19 42.33 +12 32 41.0 – V G96
2020-03-05 05:40:47 C 11 19 42.18 +12 32 40.2 – V G96
2020-03-05 05:44:10 C 11 19 42.09 +12 32 40.2 – V G96
2020-03-05 05:48:50 C 11 19 41.95 +12 32 39.4 – V G96
2020-03-05 05:57:29 C 11 19 41.85 +12 32 37.3 – U I41
2020-03-05 07:02:54 C 11 19 39.87 +12 32 28.9 – U I41
2020-03-05 08:40:52 C 11 19 36.61 +12 32 15.1 – V I52
2020-03-05 08:48:33 C 11 19 36.36 +12 32 14.2 – V I52
2020-03-05 08:55:20 C 11 19 36.15 +12 32 12.1 – V I52
2020-03-05 09:05:24 C 11 19 36.03 +12 32 10.8 – U I41
2020-03-05 09:12:47 C 11 19 35.63 +12 32 09.9 – V I52
2020-03-05 10:16:52 C 11 19 33.85 +12 31 59.7 – U I41
2020-03-05 15:07:40 C 11 19 28.93 +12 31 16.4 – q D29
2020-03-05 15:28:03 C 11 19 28.25 +12 31 14.9 – q D29
2020-03-12 23:44:19 S 11 16 59.186 +11 55 55.81 – V C57
2020-03-12 23:44:19 s 1 -141371.18 8 +367859.68 9420.0 – C57
2020-03-13 02:44:19 S 11 16 50.513 +11 55 25.54 – V C57
2020-03-13 02:44:19 s 1 -146921.16 2 +363495.29 1260.0 – C57
2020-03-13 02:59:22 C 11 14 25.49 +11 50 23.7 – u 807
2020-03-13 03:03:42 C 11 14 25.31 +11 50 22.3 – u 807
2020-03-13 03:08:03 C 11 14 25.13 +11 50 20.8 – u 807
2020-03-13 06:14:19 S 11 16 40.519 +11 54 30.02 – V C57
2020-03-13 06:14:19 s 1 -153251.22 2 +358048.83 1470.0 – C57
2020-03-13 08:14:19 S 11 16 35.546 +11 53 56.76 – V C57
2020-03-13 08:14:19 s 1 -156794.81 6 +354764.49 3160.0 – C57
2020-03-13 13:44:19 S 11 16 20.443 +11 52 23.70 – V C57
2020-03-13 13:44:19 s 1 -166245.78 4 +345083.84 2240.0 – C57
2020-03-13 18:33:12 C 11 13 55.15 +11 44 14.0 – V K61
2020-03-13 18:35:08 C 11 13 55.11 +11 44 12.7 – V K61
2020-03-13 18:38:34 C 11 13 54.98 +11 44 12.2 – V K61
2020-03-14 22:31:04 C 11 12 56.08 +11 34 03.4 – V K87
2020-03-14 22:46:05 C 11 12 55.44 +11 33 57.6 – V K87
2020-03-14 23:01:05 C 11 12 54.82 +11 33 51.5 – V K87