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
2009-03-12 10:58:55 C 07 19 41.72 +05 32 29.5 r 379
2009-03-12 11:04:39 C 07 19 31.25 +05 31 17.5 r 379
2009-03-12 11:06:04 C 07 19 28.62 +05 30 59.5 r 379
2009-03-12 12:10:10 C 07 17 30.46 +05 17 25.1 r 379
2009-03-12 12:13:51 C 07 17 23.63 +05 16 38.1 r 379
2009-03-12 19:14:04 C 07 04 23.38 +03 40 34.3 w 160
2009-03-12 19:17:37 C 07 04 16.11 +03 39 43.5 w 160
2009-03-12 19:20:40 C 07 04 09.80 +03 38 58.7 w 160
2009-03-12 19:23:44 C 07 04 03.58 +03 38 14.7 w 160
2009-03-12 20:10:20 C 07 02 27.45 +03 26 47.3 c A53
2009-03-12 20:14:43 C 07 02 18.37 +03 25 43.3 c A53
2009-03-12 20:19:05 C 07 02 09.30 +03 24 39.0 c A53
2009-03-12 20:27:56 C 07 01 50.84 +03 22 28.8 c A53
2009-03-12 21:27:43 C 06 59 45.79 +03 07 39.2 c 560
2009-03-12 21:28:13 C 06 59 44.75 +03 07 31.7 c 560
2009-03-12 21:28:42 C 06 59 43.72 +03 07 24.2 c 560
2009-03-13 02:03:50 C 06 50 11.24 +01 56 44.0 o H55
2009-03-13 02:05:16 C 06 50 07.95 +01 56 20.6 o H55
2009-03-13 02:06:44 C 06 50 04.66 +01 55 57.3 o H55
2009-03-13 02:08:05 C 06 50 01.61 +01 55 35.6 o H55
2009-03-13 02:09:18 C 06 49 58.85 +01 55 16.0 o H55
2009-03-13 10:22:10 C 06 30 55.51 -00 17 42.6 r E12
2009-03-13 10:23:55 C 06 30 51.06 -00 18 14.0 r E12
2009-03-13 20:23:27 C 06 04 38.69 -03 40 15.3 o 510
2009-03-13 20:27:31 C 06 04 27.05 -03 41 38.2 o 510
2009-03-13 20:40:18 C 06 03 47.17 -03 45 13.0 r A81
2009-03-13 20:53:00 C 06 03 10.68 -03 49 31.8 r A81
2009-03-13 20:58:03 C 06 02 59.66 -03 52 01.6 o 510
2009-03-13 20:59:28 C 06 02 52.14 -03 51 43.1 r A81
2009-03-13 21:04:00 C 06 02 41.01 -03 53 38.8 v 204
2009-03-13 21:04:36 C 06 02 39.25 -03 53 51.2 v 204
2009-03-13 21:05:13 C 06 02 37.47 -03 54 04.0 v 204
2009-03-13 21:05:50 C 06 02 35.72 -03 54 16.3 v 204
2009-03-13 21:06:27 C 06 02 33.96 -03 54 29.0 v 204
2009-03-14 19:26:36 C 04 52 42.15 -11 59 51.2 r J95
2009-03-14 19:30:51 C 04 52 27.39 -12 01 23.1 r J95
2009-03-14 19:35:13 C 04 52 12.28 -12 02 56.8 r J95
2009-08-14 06:06:08 C 23 03 38.37 -08 51 33.2 o H55
2009-08-14 06:14:42 C 23 03 37.62 -08 51 35.7 o H55
2009-08-14 06:33:11 C 23 03 35.98 -08 51 41.5 o H55
2009-08-14 06:46:40 C 23 03 34.78 -08 51 45.7 o H55
2009-08-24 05:15:17 C 22 43 53.64 -10 02 08.7 o H55
2009-08-24 05:39:52 C 22 43 51.57 -10 02 16.1 o H55
2009-08-24 06:05:11 C 22 43 49.54 -10 02 22.3 o H55
2020-01-05 04:50:13 C 07 10 39.53 +30 07 30.8 o 291
2020-01-05 05:24:12 C 07 10 36.61 +30 07 35.8 o 291
2020-07-13 13:21:27 S 14 00 27.259 -40 18 50.18 L C51
2020-07-13 16:29:46 S 14 02 47.990 -40 25 14.70 L C51
2020-07-13 18:04:01 S 14 03 58.440 -40 28 23.09 L C51
2020-07-13 21:12:20 S 14 06 19.032 -40 34 29.57 L C51
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)