2009 DE1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6119486194 ± 4.20e-07
Semi-major axis (a)1.7303182303 AU ± 2.83e-09
Inclination (i)0.94953893° ± 9.12e-06
Long. of Asc. Node (Ω)157.32429530° ± 3.03e-05
Arg. of Perihelion (ω)82.82612110° ± 9.28e-05
Mean Anomaly (M)95.19431002° ± 3.50e-06
Mean Motion (n)0.4330353005°/day ± 1.06e-09
Perihelion dist (q)0.67145238 AU ± 7.27e-07
Aphelion dist (Q)2.78918408 AU ± 7.27e-07
Orbital Period2.27608761 yr ± 5.57e-09
Physical Parameters
H (abs. magnitude)24.55
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.203″
Uncertainty0
Orbit TypeApollo
MOID0.000455 AU
Observations Used65
Oppositions9
Arc Total2009-2025
First Observation Used2009-02-19
Last Observation Used2025-02-26
Observations (92)
Date Type RA Dec Mag Band Observatory
2025-02-20 20:31:05 C 11 23 17.900 +02 42 40.90 W 246
2025-02-20 21:27:26 C 11 23 40.80 +02 40 33.2 Z 104
2025-02-20 21:40:51 C 11 23 46.12 +02 40 01.0 Z 104
2025-02-20 21:46:54 B 11 23 49.104 +02 42 20.20 X L87
2025-02-20 21:54:13 C 11 23 51.35 +02 39 28.0 Z 104
2025-02-20 21:55:42 B 11 23 52.466 +02 41 59.21 X L87
2025-02-20 22:04:29 B 11 23 55.913 +02 41 38.58 X L87
2025-02-21 02:19:23 B 11 25 39.10 +02 28 20.3 X 958
2025-02-21 02:29:15 B 11 25 43.20 +02 27 54.9 X 958
2025-02-21 02:39:05 B 11 25 47.32 +02 27 28.7 X 958
2025-02-21 02:42:33 B 11 25 47.695 +02 27 15.84 W 204
2025-02-21 02:51:49 B 11 25 51.564 +02 26 51.68 W 204
2025-02-21 03:01:04 B 11 25 55.466 +02 26 27.20 W 204
2025-02-21 04:04:52 C 11 26 32.270 +02 26 38.80 V 807
2025-02-21 04:07:49 C 11 26 33.500 +02 26 31.20 V 807
2025-02-21 04:10:45 C 11 26 34.750 +02 26 23.40 V 807
2025-02-21 05:55:59 C 11 27 24.728 +02 19 04.51 V I52
2025-02-21 05:57:45 C 11 27 25.492 +02 19 00.41 V I52
2025-02-21 05:58:00 C 11 27 25.610 +02 18 59.51 V I52
2025-02-21 05:59:46 C 11 27 26.392 +02 18 54.94 V I52
2025-02-22 08:23:44 C 11 42 29.984 +00 49 44.94 V 703
2025-02-22 08:27:04 C 11 42 32.209 +00 49 31.48 V 703
2025-02-22 08:30:24 C 11 42 34.387 +00 49 16.90 V 703
2025-02-22 08:33:44 C 11 42 36.544 +00 49 02.53 V 703
2025-02-23 01:15:35 C 11 56 18.355 -00 28 26.15 V M22
2025-02-23 01:20:08 C 11 56 22.409 -00 28 50.92 V M22
2025-02-23 01:29:15 C 11 56 30.854 -00 29 43.55 V M22
2025-02-23 01:49:43 C 11 56 49.766 -00 31 40.44 V M22
2025-02-23 02:20:00 C 11 57 17.729 -00 34 33.06 V M22
2025-02-23 02:47:57 B 11 57 44.62 -00 41 48.4 X M45
2025-02-23 02:55:37 B 11 57 51.95 -00 42 33.1 X M45
2025-02-23 03:03:16 B 11 57 59.32 -00 43 18.5 X M45
2025-02-24 00:22:03 B 12 24 57.87 -03 21 12.2 X M45
2025-02-24 00:26:02 B 12 25 03.99 -03 21 49.2 X M45
2025-02-24 00:30:02 B 12 25 10.10 -03 22 26.1 X M45
2025-02-24 10:40:26 C 12 43 30.371 -05 07 49.04 V 703
2025-02-24 10:43:42 C 12 43 36.844 -05 08 27.53 V 703
2025-02-24 10:46:57 C 12 43 43.205 -05 09 05.26 V 703
2025-02-24 10:50:12 C 12 43 49.681 -05 09 43.63 V 703
2025-02-26 01:39:47 B 15 04 01.56 -16 24 22.9 X M45
2025-02-26 01:43:04 B 15 04 19.59 -16 25 29.8 X M45
2025-02-26 01:46:24 B 15 04 37.95 -16 26 37.8 X M45