2021 DE1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0832932632 ± 7.20e-05
Semi-major axis (a)1.0688846143 AU ± 7.68e-05
Inclination (i)3.06922889° ± 1.99e-03
Long. of Asc. Node (Ω)340.79243040° ± 1.53e-03
Arg. of Perihelion (ω)219.98663502° ± 2.64e-03
Mean Anomaly (M)65.34285490° ± 1.60e-01
Mean Motion (n)0.8918997403°/day ± 9.61e-05
Perihelion dist (q)0.97985373 AU ± 1.04e-04
Aphelion dist (Q)1.15791550 AU ± 1.13e-04
Orbital Period1.10508641 yr ± 1.19e-04
Physical Parameters
H (abs. magnitude)27.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.417″
Uncertainty3
Orbit TypeApollo
MOID0.004427 AU
Observations Used34
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-18
Last Observation Used2021-02-26
Observations (35)
Date Type RA Dec Mag Band Observatory
2021-02-18 10:27:26 C 12 11 16.53 +27 01 29.8 V G96
2021-02-18 10:34:51 C 12 11 17.47 +27 01 03.4 V G96
2021-02-18 10:42:17 C 12 11 18.44 +27 00 37.0 V G96
2021-02-18 10:49:42 C 12 11 19.35 +27 00 09.5 V G96
2021-02-18 12:56:23 C 12 11 37.23 +26 52 10.2 V I52
2021-02-18 13:00:01 C 12 11 37.80 +26 51 55.6 V I52
2021-02-18 13:03:38 C 12 11 38.28 +26 51 42.8 V I52
2021-02-19 07:42:20 C 12 16 23.12 +25 43 04.7 q 858
2021-02-19 07:47:03 C 12 16 25.80 +25 42 58.6 V I52
2021-02-19 07:48:52 C 12 16 26.01 +25 42 52.2 V I52
2021-02-19 07:50:41 C 12 16 26.28 +25 42 45.5 V I52
2021-02-19 07:52:30 C 12 16 26.53 +25 42 37.9 V I52
2021-02-19 07:54:17 C 12 16 24.90 +25 42 20.9 q 858
2021-02-19 08:07:59 C 12 16 26.91 +25 41 29.7 q 858
2021-02-20 07:04:37 C 12 22 18.19 +24 04 53.8 V I52
2021-02-20 07:06:02 C 12 22 18.43 +24 04 47.2 V I52
2021-02-20 07:07:27 C 12 22 18.69 +24 04 41.9 V I52
2021-02-20 07:08:51 C 12 22 18.95 +24 04 36.7 V I52
2021-02-21 07:10:31 C 12 28 53.84 +22 07 43.5 o 291
2021-02-21 07:13:28 C 12 28 54.42 +22 07 29.1 o 291
2021-02-21 07:14:24 C 12 28 44.44 +22 06 56.1 u H21
2021-02-21 07:16:27 C 12 28 55.01 +22 07 14.5 o 291
2021-02-21 07:20:16 C 12 28 45.55 +22 06 26.1 u H21
2021-02-21 07:23:29 C 12 28 46.14 +22 06 09.7 u H21
2021-02-22 07:31:43 C 12 36 13.51 +19 49 40.2 V 291
2021-02-22 07:35:18 C 12 36 14.28 +19 49 19.6 V 291
2021-02-22 07:38:53 C 12 36 15.08 +19 48 58.8 V 291
2021-02-24 07:46:38 C 12 53 18.31 +14 01 44.8 V I52
2021-02-24 07:49:29 C 12 53 19.15 +14 01 20.9 V I52
2021-02-24 07:50:54 C 12 53 19.58 +14 01 09.9 V I52
2021-02-25 06:20:12 C 13 02 51.96 +10 36 31.5 V I52
2021-02-25 06:24:16 C 13 02 53.34 +10 35 51.2 V I52
2021-02-26 10:00:16 C 13 15 28.38 +05 41 12.8 V I52
2021-02-26 10:01:55 C 13 15 28.99 +05 40 54.4 V I52
2021-02-26 10:03:33 C 13 15 29.54 +05 40 35.1 V I52