2021 DA1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1501802155 ± 1.96e-04
Semi-major axis (a)1.2444413781 AU ± 3.74e-04
Inclination (i)6.01088706° ± 7.09e-03
Long. of Asc. Node (Ω)323.76553530° ± 1.84e-03
Arg. of Perihelion (ω)216.76136238° ± 5.24e-03
Mean Anomaly (M)130.70223102° ± 5.52e-01
Mean Motion (n)0.7099873510°/day ± 3.20e-04
Perihelion dist (q)1.05755090 AU ± 4.01e-04
Aphelion dist (Q)1.43133185 AU ± 4.94e-04
Orbital Period1.38823076 yr ± 6.25e-04
Physical Parameters
H (abs. magnitude)25.93
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.162″
Uncertainty3
Orbit TypeAmor
MOID0.080638 AU
Observations Used20
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-17
Last Observation Used2021-03-02
Observations (20)
Date Type RA Dec Mag Band Observatory
2021-02-17 11:24:22 C 10 29 02.620 +01 56 25.71 U F51
2021-02-17 12:01:11 C 10 29 00.075 +01 54 28.91 U F51
2021-02-17 12:19:29 C 10 28 58.827 +01 53 30.85 U F51
2021-02-18 04:45:41 C 10 28 18.59 +01 02 24.9 V 807
2021-02-18 04:51:17 C 10 28 18.20 +01 02 06.8 V 807
2021-02-18 04:56:53 C 10 28 17.81 +01 01 48.9 V 807
2021-02-18 12:14:34 C 10 27 58.95 +00 38 34.0 V 474
2021-02-18 12:19:41 C 10 27 58.63 +00 38 17.3 V 474
2021-02-18 12:24:49 C 10 27 58.30 +00 38 00.6 V 474
2021-02-19 03:55:36 C 10 27 17.01 -00 12 57.8 V 807
2021-02-19 04:01:12 C 10 27 16.62 -00 13 16.1 V 807
2021-02-19 04:06:49 C 10 27 16.23 -00 13 34.6 V 807
2021-02-20 12:59:55 C 10 25 41.84 -02 02 55.4 V 474
2021-02-20 13:05:02 C 10 25 41.42 -02 03 12.9 V 474
2021-02-20 13:10:10 C 10 25 41.08 -02 03 30.3 V 474
2021-02-20 13:15:18 C 10 25 40.73 -02 03 47.6 V 474
2021-03-02 05:41:27 C 10 13 25.45 -15 52 57.5 V V06
2021-03-02 05:47:51 C 10 13 24.95 -15 53 21.0 V V06
2021-03-02 05:54:15 C 10 13 24.42 -15 53 44.1 V V06
2021-03-02 06:00:39 C 10 13 23.88 -15 54 07.2 V V06