2020 DA4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4316770568 ± 6.14e-09
Semi-major axis (a)1.6184578325 AU ± 4.34e-09
Inclination (i)0.84491012° ± 1.49e-06
Long. of Asc. Node (Ω)180.47502461° ± 3.03e-05
Arg. of Perihelion (ω)24.36817153° ± 2.84e-05
Mean Anomaly (M)264.61347927° ± 3.76e-06
Mean Motion (n)0.4786964349°/day ± 1.93e-09
Perihelion dist (q)0.91980672 AU ± 1.02e-08
Aphelion dist (Q)2.31710895 AU ± 1.17e-08
Orbital Period2.05897979 yr ± 8.29e-09
Physical Parameters
H (abs. magnitude)25.59
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.358″
Uncertainty0
Orbit TypeApollo
MOID0.004068 AU
Observations Used182
Oppositions1
Arc Total2020-2022
First Observation Used2020-02-27
Last Observation Used2022-06-05
Observations (186)
Date Type RA Dec Mag Band Observatory
2020-02-28 21:08:00 C 09 20 06.62 -01 50 08.2 V 160
2020-02-28 21:13:52 C 09 20 07.05 -01 51 00.3 V 160
2020-02-28 21:15:30 C 09 20 07.60 -01 51 23.2 V 203
2020-02-28 21:19:54 C 09 20 07.41 -01 51 53.9 V 160
2020-02-28 21:22:32 C 09 20 11.37 -01 52 16.6 q 958
2020-02-28 21:24:02 C 09 20 07.74 -01 52 30.2 V 160
2020-02-28 21:30:27 C 09 20 18.66 -01 52 04.2 V J04
2020-02-28 21:30:47 C 09 20 18.69 -01 52 07.2 V J04
2020-02-28 21:31:07 C 09 20 18.69 -01 52 10.0 V J04
2020-02-28 21:31:38 C 09 20 08.67 -01 53 47.0 V 203
2020-02-28 21:41:12 C 09 20 12.55 -01 55 04.0 q 958
2020-02-28 21:45:30 C 09 20 09.56 -01 55 51.4 V 203
2020-02-28 21:50:42 C 09 20 13.19 -01 56 29.2 q 958
2020-03-02 09:58:38 C 09 40 23.95 -20 58 10.2 V 474
2020-03-02 09:58:56 C 09 40 24.15 -20 58 21.6 V 474
2020-03-02 10:00:46 C 09 40 25.23 -20 59 34.4 V 474
2020-03-02 10:02:13 C 09 40 26.09 -21 00 33.5 V 474
2020-03-02 10:04:24 C 09 40 27.41 -21 02 00.9 V 474
2020-03-02 10:05:08 C 09 40 27.87 -21 02 30.4 V 474
2020-03-02 10:05:52 C 09 40 28.31 -21 02 59.0 V 474
2020-03-03 10:51:01 C 10 19 18.55 -46 23 05.3 V 474
2020-03-03 10:51:49 C 10 19 20.77 -46 24 15.5 V 474
2020-03-03 10:53:24 C 10 19 25.26 -46 26 35.5 V 474
2020-03-03 10:54:11 C 10 19 27.56 -46 27 46.0 V 474
2020-03-04 09:28:42 C 15 29 12.38 -75 45 50.2 V 474
2020-03-04 09:29:50 C 15 29 47.98 -75 45 48.9 V 474
2020-03-04 09:30:07 C 15 29 56.95 -75 45 48.0 V 474
2020-03-04 09:31:33 C 15 30 40.27 -75 45 43.9 V 474
2020-03-04 09:32:41 C 15 31 15.78 -75 45 41.8 V 474
2020-03-04 09:32:58 C 15 31 24.09 -75 45 40.7 V 474
2020-03-04 09:33:15 C 15 31 32.84 -75 45 40.2 V 474
2020-03-04 09:33:32 C 15 31 41.74 -75 45 40.3 V 474
2022-06-03 09:44:25 C 17 55 39.310 +41 14 51.90 V G96
2022-06-03 09:52:00 C 17 55 43.930 +41 09 34.20 V G96
2022-06-03 09:59:35 C 17 55 48.620 +41 04 17.70 V G96
2022-06-03 10:07:11 C 17 55 53.180 +40 59 00.20 V G96
2022-06-03 10:29:57 C 17 56 07.091 +40 43 04.98 V I52
2022-06-03 10:30:08 C 17 56 07.202 +40 42 57.20 V I52
2022-06-03 10:30:19 C 17 56 07.314 +40 42 49.43 V I52
2022-06-03 11:05:12 C 17 56 28.633 +40 18 32.47 V I52
2022-06-03 11:05:23 C 17 56 28.752 +40 18 24.73 V I52
2022-06-03 11:05:34 C 17 56 28.856 +40 18 16.99 V I52
2022-06-03 11:05:45 C 17 56 28.972 +40 18 09.32 V I52
2022-06-03 13:45:41 C 17 59 12.04 +38 30 35.0 r P93
2022-06-03 13:48:06 C 17 59 13.36 +38 29 01.7 r P93
2022-06-03 13:50:31 C 17 59 14.67 +38 27 27.6 r P93
2022-06-03 13:55:19 C 17 59 17.37 +38 24 22.0 r P93
2022-06-03 14:32:56 C 17 59 35.68 +38 00 07.4 V 900
2022-06-03 14:40:31 C 17 59 39.54 +37 55 15.1 V 900
2022-06-03 14:48:07 C 17 59 43.40 +37 50 19.8 V 900