IAA RAS IAA Minor Planet Database

2021 DA2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2099529253 ± 1.64e-05
Semi-major axis (a)0.8982964767 AU ± 4.21e-06
Inclination (i)8.57468141° ± 8.36e-04
Long. of Asc. Node (Ω)152.84504229° ± 2.45e-05
Arg. of Perihelion (ω)230.91791466° ± 1.95e-04
Mean Anomaly (M)315.01159702° ± 1.25e-02
Mean Motion (n)1.1576645425°/day ± 8.15e-06
Perihelion dist (q)0.70969650 AU ± 1.51e-05
Aphelion dist (Q)1.08689645 AU ± 1.56e-05
Orbital Period0.85139196 yr ± 5.99e-06
Physical Parameters
H (abs. magnitude)29.17
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.648″
Uncertainty2
Orbit TypeAten
MOID0.000355 AU
Observations Used72
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-22
Last Observation Used2021-03-02
Observations (76)
Date Type RA Dec Mag Band Observatory
2021-02-22 01:42:16 C 11 54 04.30 +33 29 01.6 – o K88
2021-02-22 01:42:42 C 11 54 01.12 +33 29 45.0 – o K88
2021-02-22 01:43:10 C 11 53 58.00 +33 30 27.5 – o K88
2021-02-22 01:43:38 C 11 53 54.63 +33 31 11.0 – o K88
2021-02-22 02:01:15 C 11 51 49.62 +33 58 50.8 – o K88
2021-02-22 02:01:39 C 11 51 47.15 +33 59 22.1 – o K88
2021-02-22 02:02:01 C 11 51 44.47 +33 59 57.6 – o K88
2021-02-22 02:02:24 C 11 51 41.70 +34 00 34.0 – o K88
2021-02-22 03:37:36 C 11 41 26.80 +36 10 30.5 – o K88
2021-02-22 03:39:19 C 11 41 16.71 +36 12 35.7 – o K88
2021-02-22 03:41:23 C 11 41 04.50 +36 15 05.7 – o K88
2021-02-22 03:42:25 C 11 40 58.45 +36 16 19.0 – o K88
2021-02-22 03:45:48 C 11 40 38.48 +36 20 23.8 – o K88
2021-02-22 03:46:29 C 11 40 34.57 +36 21 11.4 – o K88
2021-02-22 03:47:51 C 11 40 26.40 +36 22 50.1 – o K88
2021-02-22 03:48:12 C 11 40 24.52 +36 23 15.5 – o K88
2021-02-22 03:48:33 C 11 40 22.46 +36 23 39.2 – o K88
2021-02-22 03:49:55 C 11 40 14.45 +36 25 15.9 – o K88
2021-02-22 03:52:56 C 11 39 56.97 +36 28 49.2 – o K88
2021-02-22 03:54:23 C 11 39 48.66 +36 30 31.0 – o K88
2021-02-22 03:54:44 C 11 39 46.64 +36 30 56.9 – o K88
2021-02-22 03:55:06 C 11 39 44.48 +36 31 22.3 – o K88
2021-02-22 03:55:28 C 11 39 42.44 +36 31 46.4 – o K88
2021-02-22 03:55:49 C 11 39 40.32 +36 32 12.4 – o K88
2021-02-22 03:56:11 C 11 39 38.24 +36 32 38.2 – o K88
2021-02-22 03:56:32 C 11 39 36.23 +36 33 02.7 – o K88
2021-02-22 03:57:16 C 11 39 31.96 +36 33 52.7 – o K88
2021-02-22 03:57:37 C 11 39 29.92 +36 34 18.9 – o K88
2021-02-22 04:00:25 C 11 39 13.96 +36 37 32.1 – o K88
2021-02-22 04:01:08 C 11 39 09.76 +36 38 23.9 – o K88
2021-02-22 04:01:30 C 11 39 07.69 +36 38 48.3 – o K88
2021-02-22 04:03:18 C 11 38 57.50 +36 40 52.1 – o K88
2021-02-22 04:03:39 C 11 38 55.45 +36 41 17.3 – o K88
2021-02-22 04:05:06 C 11 38 47.36 +36 42 55.8 – o K88
2021-02-22 04:06:15 C 11 38 40.81 +36 44 14.9 – o K88
2021-02-22 04:06:58 C 11 38 36.69 +36 45 04.3 – o K88
2021-02-22 04:07:20 C 11 38 34.72 +36 45 28.1 – o K88
2021-02-22 04:07:41 C 11 38 32.70 +36 45 53.2 – o K88
2021-02-22 04:09:08 C 11 38 24.52 +36 47 31.7 – o K88
2021-02-22 04:10:12 C 11 38 18.45 +36 48 44.5 – o K88
2021-02-22 04:11:39 C 11 38 10.46 +36 50 21.5 – o K88
2021-02-22 04:12:00 C 11 38 08.48 +36 50 45.5 – o K88
2021-02-22 04:14:16 C 11 37 55.83 +36 53 18.0 – o K88
2021-02-22 04:14:59 C 11 37 51.80 +36 54 06.3 – o K88
2021-02-22 04:16:26 C 11 37 43.80 +36 55 42.7 – o K88
2021-02-22 04:17:36 C 11 37 37.40 +36 57 00.5 – o K88
2021-02-22 04:20:28 C 11 37 21.52 +37 00 13.1 – o K88
2021-02-22 05:55:33 C 11 33 33.36 +38 59 25.2 – V H36
2021-02-22 05:58:17 C 11 33 18.20 +39 02 13.9 – V H36
2021-02-22 06:01:06 C 11 33 02.75 +39 05 08.8 – V H36