311066 (2004 DC)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3996244279 ± 8.25e-09
Semi-major axis (a)1.6335802811 AU ± 4.80e-09
Inclination (i)19.46052100° ± 1.45e-06
Long. of Asc. Node (Ω)74.90257885° ± 1.10e-06
Arg. of Perihelion (ω)156.35576316° ± 6.55e-06
Mean Anomaly (M)124.94324225° ± 1.63e-05
Mean Motion (n)0.4720647288°/day ± 2.08e-09
Perihelion dist (q)0.98076170 AU ± 1.38e-08
Aphelion dist (Q)2.28639887 AU ± 1.51e-08
Orbital Period2.08790495 yr ± 9.20e-09
Physical Parameters
H (abs. magnitude)18.28
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.337″
Uncertainty0
Orbit TypeApollo
MOID0.010304 AU
Observations Used339
Radar Obs Used8
Oppositions1
Arc Total2004-2025
First Observation Used2004-02-16
Last Observation Used2025-11-09
Observations (359)
Date Type RA Dec Mag Band Observatory
2006-06-01 09:31:38 C 00 02 36.16 +45 43 40.7 o G77
2006-06-01 09:40:01 C 00 02 37.99 +45 39 58.7 o G77
2006-06-27 17:49:18 C 00 49 34.97 -70 08 25.5 r 423
2006-06-27 18:04:18 C 00 49 34.13 -70 08 42.8 r 423
2006-07-17 06:58:09 C 00 05 33.17 -74 33 35.6 r 809
2006-07-17 07:01:53 C 00 05 32.53 -74 33 36.6 r 809
2006-08-16 13:32:12 C 22 05 43.51 -70 45 06.6 r E12
2006-08-16 13:45:19 C 22 05 41.85 -70 44 56.8 r E12
2006-08-16 13:58:28 C 22 05 40.23 -70 44 45.6 r E12
2006-08-16 14:11:34 C 22 05 38.68 -70 44 35.9 r E12
2006-08-20 13:23:38 C 21 56 23.38 -69 25 36.2 r E12
2006-08-20 13:37:43 C 21 56 22.02 -69 25 23.8 r E12
2006-08-20 13:51:48 C 21 56 20.61 -69 25 10.2 r E12
2006-08-20 14:05:49 C 21 56 19.28 -69 24 59.3 r E12
2007-12-06 09:40:45 C 08 22 14.55 +33 25 43.4 o H55
2007-12-06 09:51:21 C 08 22 14.53 +33 25 51.1 o H55
2007-12-06 10:01:57 C 08 22 14.63 +33 25 59.4 o H55
2008-01-18 11:15:21 C 07 28 07.53 +50 28 14.7 r G96
2008-01-18 11:20:37 C 07 28 06.92 +50 28 19.9 r G96
2008-01-18 11:25:48 C 07 28 06.31 +50 28 23.1 r G96
2008-01-18 11:30:53 C 07 28 05.73 +50 28 28.5 r G96
2008-02-02 04:30:00 C 06 46 57.85 +54 11 27.5 c 711
2008-02-02 04:42:12 C 06 46 56.41 +54 11 32.7 c 711
2008-02-02 04:54:23 C 06 46 55.07 +54 11 37.4 c 711
2008-02-10 18:36:46 C 06 26 23.99 +55 06 40.6 o 151
2008-02-10 18:38:17 C 06 26 23.87 +55 06 40.9 o 151
2008-03-07 02:23:21 C 06 05 47.01 +54 46 26.0 c 711
2008-03-07 02:41:33 C 06 05 47.25 +54 46 23.0 c 711
2008-03-07 02:59:44 C 06 05 47.50 +54 46 20.9 c 711
2008-06-29 08:57:52 C 11 30 59.94 +08 31 50.8 r E12
2008-06-29 09:03:43 C 11 31 00.62 +08 31 33.6 r E12
2008-06-29 09:09:32 C 11 31 01.45 +08 31 17.2 r E12
2008-06-29 09:15:30 C 11 31 02.24 +08 31 00.4 r E12
2009-12-20 06:18:52 C 06 28 49.54 +35 08 33.6 r G96
2009-12-20 06:22:58 C 06 28 49.22 +35 08 36.0 r G96
2009-12-20 06:27:07 C 06 28 48.79 +35 08 38.5 r G96
2009-12-20 06:31:16 C 06 28 48.46 +35 08 41.1 r G96
2009-12-20 06:35:28 C 06 28 48.07 +35 08 44.0 r G96
2009-12-20 06:39:42 C 06 28 47.71 +35 08 46.6 r G96
2009-12-20 06:43:56 C 06 28 47.35 +35 08 49.3 r G96
2011-11-30 07:15:36 C 05 47 59.27 +25 32 21.8 o 691
2011-11-30 07:41:13 C 05 47 57.61 +25 32 31.6 o 691
2011-11-30 08:06:52 C 05 47 55.84 +25 32 42.0 o 691
2011-12-26 05:15:50 C 04 58 19.52 +29 10 13.5 r G96
2011-12-26 05:26:38 C 04 58 18.62 +29 10 16.2 r G96
2011-12-26 05:37:25 C 04 58 17.72 +29 10 19.3 r G96
2011-12-26 05:48:14 C 04 58 16.78 +29 10 23.0 r G96
2011-12-27 00:16:11 C 04 56 45.38 +29 15 17.3 t 204
2011-12-27 00:49:21 C 04 56 42.63 +29 15 26.5 t 204
2012-01-11 03:10:56 C 04 30 49.89 +30 33 01.2 r G96
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2006-05-29 07:40:00 601427 0.5 Hz 8560 -14 -14
2006-05-29 08:40:00 46945047.97 10 us 8560 -14 -14
2006-05-29 10:00:00 46608670.61 1 us 8560 -14 -14
2006-05-29 12:20:00 46023465.59 0.5 us 8560 -14 -14
2006-05-30 14:00:00 39902087.22 0.5 us 8560 -14 -14
2006-06-02 11:10:00 27567006.603 0.5 us 2380 -1 -1
2006-06-02 12:30:00 27427724.971 0.5 us 2380 -1 -1
2006-06-03 15:10:00 25809317.503 0.25 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)