2009 DF1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4080628856 ± 7.66e-08
Semi-major axis (a)1.9779543744 AU ± 3.29e-08
Inclination (i)4.06374590° ± 3.67e-06
Long. of Asc. Node (Ω)142.21088703° ± 5.17e-05
Arg. of Perihelion (ω)38.66806422° ± 8.34e-05
Mean Anomaly (M)357.82838012° ± 6.97e-05
Mean Motion (n)0.3543136402°/day ± 8.83e-09
Perihelion dist (q)1.17082460 AU ± 1.53e-07
Aphelion dist (Q)2.78508414 AU ± 1.58e-07
Orbital Period2.78179040 yr ± 6.93e-08
Physical Parameters
H (abs. magnitude)20.61
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.381″
Uncertainty0
Orbit TypeAmor
MOID0.180928 AU
Observations Used158
Oppositions7
Arc Total2009-2020
First Observation Used2009-02-19
Last Observation Used2020-01-23
Observations (162)
Date Type RA Dec Mag Band Observatory
2009-03-03 10:35:39 C 13 22 35.69 +01 39 47.4 o H55
2009-03-03 10:40:53 C 13 22 36.36 +01 39 48.2 o H55
2009-03-13 08:49:46 C 13 53 37.12 +02 32 04.3 o H55
2009-03-13 08:55:30 C 13 53 37.77 +02 32 06.0 o H55
2009-03-13 09:01:26 C 13 53 38.45 +02 32 07.3 o H55
2009-03-15 08:42:38 C 13 59 23.84 +02 43 48.1 o H55
2009-03-15 08:50:52 C 13 59 24.74 +02 43 50.4 o H55
2009-03-15 08:59:05 C 13 59 25.63 +02 43 52.9 o H55
2009-03-17 09:43:18 C 14 05 05.22 +02 55 53.6 o H55
2009-03-17 09:46:11 C 14 05 05.52 +02 55 54.3 o H55
2009-03-17 09:48:51 C 14 05 05.77 +02 55 55.0 o H55
2009-03-17 09:51:49 C 14 05 06.11 +02 55 56.1 o H55
2009-03-17 09:54:22 C 14 05 06.34 +02 55 56.8 o H55
2009-03-19 01:28:37 C 14 09 32.79 +03 05 35.7 r 106
2009-03-19 01:41:21 C 14 09 34.12 +03 05 38.9 r 106
2009-03-19 01:54:07 C 14 09 35.39 +03 05 42.4 r 106
2009-03-19 02:06:56 C 14 09 36.73 +03 05 44.8 r 106
2009-03-19 07:04:10 C 14 10 11.05 +03 07 03.8 18.6 c 704
2009-03-19 07:21:03 C 14 10 12.71 +03 07 08.5 19.1 c 704
2009-03-19 07:37:41 C 14 10 14.35 +03 07 11.9 19.3 c 704
2009-03-19 08:11:08 C 14 10 17.77 +03 07 21.6 19.1 c 704
2009-03-20 09:56:30 C 14 13 02.49 +03 13 33.3 r H45
2009-03-20 09:58:09 C 14 13 02.63 +03 13 33.9 r H45
2009-03-20 09:59:41 C 14 13 02.80 +03 13 34.2 r H45
2009-03-20 10:01:19 C 14 13 02.94 +03 13 34.5 r H45
2009-03-20 10:02:54 C 14 13 03.11 +03 13 35.0 r H45
2009-03-20 10:04:29 C 14 13 03.27 +03 13 35.5 r H45
2009-03-23 07:11:43 C 14 20 09.63 +03 29 45.8 18.4 c 704
2009-03-23 07:28:51 C 14 20 11.21 +03 29 50.1 18.7 c 704
2009-03-23 07:46:03 C 14 20 12.68 +03 29 53.6 18.9 c 704
2009-03-25 00:39:42 C 14 24 06.29 +03 38 44.5 A50
2009-03-25 00:41:59 C 14 24 06.49 +03 38 45.7 A50
2009-03-25 00:44:15 C 14 24 06.75 +03 38 45.8 A50
2009-03-25 01:47:29 C 14 24 12.06 +03 38 58.1 A50
2009-03-27 04:21:44 C 14 28 44.37 +03 49 24.1 w B74
2009-03-27 04:34:42 C 14 28 45.37 +03 49 27.7 w B74
2009-03-27 04:48:12 C 14 28 46.42 +03 49 31.0 w B74
2009-04-01 07:08:34 C 14 38 27.91 +04 09 55.7 r H45
2009-04-01 07:10:42 C 14 38 28.02 +04 09 56.3 r H45
2009-04-01 07:13:08 C 14 38 28.19 +04 09 56.6 r H45
2009-04-01 07:16:11 C 14 38 28.34 +04 09 57.1 r H45
2009-04-01 07:17:21 C 14 38 28.45 +04 09 57.2 r H45
2009-04-01 07:18:57 C 14 38 28.56 +04 09 57.3 r H45
2009-04-01 08:31:15 C 14 38 32.79 +04 10 04.4 o H55
2009-04-01 08:33:34 C 14 38 32.94 +04 10 04.8 o H55
2009-04-01 08:35:36 C 14 38 33.07 +04 10 05.2 o H55
2009-04-01 08:37:52 C 14 38 33.22 +04 10 05.6 o H55
2009-04-01 08:40:13 C 14 38 33.37 +04 10 06.0 o H55
2009-04-08 07:41:43 C 14 48 43.25 +04 23 54.9 o H55
2009-04-08 07:45:46 C 14 48 43.44 +04 23 54.8 o H55