2009 DR3

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5588730498 ± 2.66e-08
Semi-major axis (a)1.9780841092 AU ± 1.66e-08
Inclination (i)4.06971065° ± 3.93e-06
Long. of Asc. Node (Ω)344.35455065° ± 6.18e-06
Arg. of Perihelion (ω)237.90998340° ± 1.23e-05
Mean Anomaly (M)350.50411460° ± 3.43e-05
Mean Motion (n)0.3542787837°/day ± 4.45e-09
Perihelion dist (q)0.87258621 AU ± 5.31e-08
Aphelion dist (Q)3.08358201 AU ± 5.86e-08
Orbital Period2.78206409 yr ± 3.50e-08
Physical Parameters
H (abs. magnitude)21.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.369″
Uncertainty0
Orbit TypeApollo
MOID0.010923 AU
Observations Used246
Radar Obs Used2
Oppositions1
Arc Total2009-2020
First Observation Used2009-02-14
Last Observation Used2020-09-15
Observations (251)
Date Type RA Dec Mag Band Observatory
2009-03-02 01:44:03 C 09 35 29.43 +18 58 00.8 r H26
2009-03-02 01:56:32 C 09 35 27.26 +18 57 54.2 r H26
2009-03-02 02:09:02 C 09 35 25.07 +18 57 47.8 r H26
2009-03-02 05:20:24 C 09 34 52.01 +18 56 12.5 17.0 c 704
2009-03-02 05:38:32 C 09 34 48.65 +18 56 01.6 17.2 c 704
2009-03-02 05:56:49 C 09 34 45.20 +18 55 50.8 17.2 c 704
2009-03-02 06:13:20 C 09 34 42.08 +18 55 40.7 17.2 c 704
2009-03-02 06:30:10 C 09 34 38.91 +18 55 30.3 17.3 c 704
2009-03-02 11:29:42 C 09 33 53.02 +18 52 15.1 r 379
2009-03-02 11:32:53 C 09 33 52.39 +18 52 13.7 r 379
2009-03-02 11:36:05 C 09 33 51.80 +18 52 11.8 r 379
2009-03-02 11:42:48 C 09 33 50.53 +18 52 08.1 r 379
2009-03-02 11:46:00 C 09 33 49.93 +18 52 06.3 r 379
2009-03-02 11:49:12 C 09 33 49.31 +18 52 04.2 r 379
2009-03-02 11:59:10 C 09 33 47.36 +18 51 58.9 r 379
2009-03-02 12:14:06 C 09 33 44.56 +18 51 49.3 r 379
2009-03-02 19:29:09 C 09 32 30.48 +18 46 28.0 o B84
2009-03-02 19:32:21 C 09 32 29.90 +18 46 26.4 o B84
2009-03-02 19:35:34 C 09 32 29.25 +18 46 23.9 o B84
2009-03-02 19:38:46 C 09 32 28.68 +18 46 21.9 o B84
2009-03-02 19:41:57 C 09 32 28.06 +18 46 19.8 o B84
2009-03-03 03:55:52 C 09 30 56.73 +18 40 52.3 r H53
2009-03-03 04:00:52 C 09 30 55.56 +18 40 48.6 r H53
2009-03-03 04:05:52 C 09 30 54.60 +18 40 45.1 r H53
2009-03-03 04:11:09 C 09 30 53.55 +18 40 41.5 r H53
2009-03-03 04:20:03 C 09 30 51.65 +18 40 34.4 r H53
2009-03-03 04:25:05 C 09 30 50.60 +18 40 30.5 r H53
2009-03-03 06:46:21 C 09 30 20.69 +18 38 38.2 o H55
2009-03-03 06:47:42 C 09 30 20.42 +18 38 37.1 o H55
2009-03-03 06:52:09 C 09 30 19.54 +18 38 33.1 o H55
2009-03-04 08:44:58 C 09 24 58.01 +18 16 15.8 r H45
2009-03-04 08:46:31 C 09 24 57.64 +18 16 14.2 r H45
2009-03-04 08:49:23 C 09 24 56.98 +18 16 10.9 r H45
2009-03-04 08:50:59 C 09 24 56.59 +18 16 09.3 r H45
2009-03-04 08:52:54 C 09 24 56.12 +18 16 07.4 r H45
2009-03-04 08:56:04 C 09 24 55.39 +18 16 03.3 r H45
2009-03-04 08:57:50 C 09 24 54.97 +18 16 01.7 r H45
2009-03-04 11:20:24 C 09 24 32.11 +18 13 54.0 r 379
2009-03-04 11:30:29 C 09 24 29.60 +18 13 44.8 r 379
2009-03-04 11:43:58 C 09 24 26.17 +18 13 32.1 r 379
2009-03-04 12:21:00 C 09 24 16.65 +18 12 57.1 r 379
2009-03-04 12:24:13 C 09 24 15.84 +18 12 53.5 r 379
2009-03-06 19:27:14 C 09 08 44.51 +16 58 56.6 o B84
2009-03-06 19:30:25 C 09 08 43.36 +16 58 50.9 o B84
2009-03-06 19:32:01 C 09 08 42.81 +16 58 48.9 o B84
2009-03-06 19:36:51 C 09 08 40.96 +16 58 40.1 o B84
2009-03-09 20:33:18 C 08 31 31.11 +13 32 28.9 c A53
2009-03-09 20:44:03 C 08 31 22.69 +13 31 41.3 c A53
2009-03-09 20:55:06 C 08 31 13.99 +13 30 51.7 c A53
2009-03-09 21:06:08 C 08 31 05.30 +13 30 02.3 c A53
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2009-03-15 00:20:00 -16341.14 6 Hz 8560 -14 -14
2009-03-15 01:00:00 18476303.539 20 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)