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
2009-03-09 21:37:27 C 08 30 40.42 +13 27 44.8 w 160
2009-03-09 21:40:45 C 08 30 37.82 +13 27 30.1 w 160
2009-03-09 21:43:57 C 08 30 35.32 +13 27 10.2 c 560
2009-03-09 21:44:02 C 08 30 35.21 +13 27 14.9 w 160
2009-03-09 21:45:11 C 08 30 34.35 +13 27 04.7 c 560
2009-03-09 21:46:48 C 08 30 33.04 +13 26 57.2 c 560
2009-03-09 21:48:48 C 08 30 31.41 +13 26 53.0 w 160
2009-03-10 12:25:12 C 08 18 33.73 +12 13 16.4 r 379
2009-03-10 12:54:19 C 08 18 05.75 +12 10 30.1 r 379
2009-03-10 13:04:20 C 08 17 56.08 +12 09 32.3 r 379
2009-03-10 13:08:43 C 08 17 51.84 +12 09 06.4 r 379
2009-03-10 13:25:38 C 08 17 35.48 +12 07 27.8 r 379
2009-03-11 02:53:52 C 08 04 20.738 +10 40 36.62 o 673
2009-03-11 03:02:12 C 08 04 11.125 +10 39 37.12 o 673
2009-03-11 03:12:23 C 08 03 59.365 +10 38 24.68 o 673
2009-03-11 03:17:23 C 08 03 53.552 +10 37 48.61 o 673
2009-03-11 11:45:22 C 07 53 54.58 +09 31 55.3 r 379
2009-03-11 11:47:34 C 07 53 51.67 +09 31 36.1 r 379
2009-03-11 11:49:45 C 07 53 48.82 +09 31 18.1 r 379
2009-03-11 12:05:17 C 07 53 28.45 +09 29 07.2 r 379
2009-03-11 12:07:07 C 07 53 26.00 +09 28 52.0 r 379
2009-03-11 12:21:57 C 07 53 06.48 +09 26 46.4 r 379
2009-03-11 12:52:05 C 07 52 26.63 +09 22 28.5 r 379
2009-03-11 12:53:54 C 07 52 24.24 +09 22 13.2 r 379
2009-03-11 13:00:06 C 07 52 16.02 +09 21 19.7 r 379
2009-03-11 13:01:56 C 07 52 13.61 +09 21 04.1 r 379
2009-03-11 18:40:03 C 07 45 00.56 +08 29 31.8 o 151
2009-03-11 18:40:49 C 07 44 59.48 +08 29 24.7 o 151
2009-03-11 18:41:35 C 07 44 58.40 +08 29 17.6 o 151
2009-03-11 18:43:06 C 07 44 56.21 +08 29 03.4 o 151
2009-03-11 18:43:52 C 07 44 55.12 +08 28 56.3 o 151
2009-03-11 18:44:38 C 07 44 54.01 +08 28 49.1 o 151
2009-03-11 20:43:44 C 07 41 59.98 +08 09 50.8 c 595
2009-03-11 20:49:55 C 07 41 50.89 +08 08 49.7 c 595
2009-03-11 22:49:26 C 07 38 55.57 +07 48 18.1 o A32
2009-03-11 22:50:52 C 07 38 53.27 +07 48 02.8 o A32
2009-03-11 22:52:20 C 07 38 51.16 +07 47 48.1 o A32
2009-03-11 22:53:49 C 07 38 48.96 +07 47 32.7 o A32
2009-03-11 22:55:16 C 07 38 46.91 +07 47 18.5 o A32
2009-03-11 22:56:42 C 07 38 44.63 +07 47 03.3 o A32
2009-03-12 02:13:58 C 07 33 59.29 +07 13 51.6 o H55
2009-03-12 02:16:46 C 07 33 54.80 +07 13 21.4 o H55
2009-03-12 02:19:50 C 07 33 49.86 +07 12 48.2 o H55
2009-03-12 02:23:02 C 07 33 44.73 +07 12 13.7 o H55
2009-03-12 02:26:54 C 07 33 38.50 +07 11 31.9 o H55
2009-03-12 03:27:50 C 07 32 09.77 +07 00 34.8 o G56
2009-03-12 03:33:19 C 07 32 00.86 +06 59 34.5 o G56
2009-03-12 03:38:21 C 07 31 52.58 +06 58 39.2 o G56
2009-03-12 10:24:29 C 07 20 44.40 +05 39 39.1 r 379
2009-03-12 10:32:13 C 07 20 30.38 +05 38 03.2 r 379
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)