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
2016-01-03 07:29:41 C 03 15 41.598 +16 02 12.99 L F51
2016-01-03 07:50:10 C 03 15 40.977 +16 02 17.83 L F51
2016-01-03 08:10:05 C 03 15 40.366 +16 02 22.43 L F51
2017-10-01 09:05:40 C 04 29 15.47 +06 58 20.4 u H21
2017-10-01 09:25:00 C 04 29 15.24 +06 58 19.4 u H21
2017-10-01 09:49:15 C 04 29 14.95 +06 58 17.9 u H21
2017-10-29 12:01:41 C 04 06 48.812 +06 28 18.89 L F51
2017-10-29 12:19:59 C 04 06 47.788 +06 28 18.72 L F51
2017-10-29 12:38:01 C 04 06 46.757 +06 28 18.28 L F51
2017-11-22 09:14:19 C 03 29 32.345 +06 47 02.88 L F51
2017-11-22 09:32:30 C 03 29 31.054 +06 47 04.70 L F51
2017-11-22 09:50:47 C 03 29 29.782 +06 47 06.41 L F51
2017-11-22 10:09:05 C 03 29 28.487 +06 47 08.13 L F51
2018-01-14 01:09:05 C 02 42 32.93 +11 46 15.4 u H21
2018-01-14 01:17:33 C 02 42 32.92 +11 46 18.2 u H21
2018-01-14 01:32:43 C 02 42 32.95 +11 46 23.3 u H21
2018-01-19 01:23:31 C 02 43 13.17 +12 28 12.0 u H21
2018-01-19 01:45:57 C 02 43 13.36 +12 28 20.0 u H21
2018-01-19 02:02:32 C 02 43 13.46 +12 28 25.7 u H21
2019-09-26 14:04:29 C 03 59 54.742 +01 33 33.67 U F51
2019-09-26 14:19:33 C 03 59 54.500 +01 33 31.38 U F51
2019-09-26 14:34:42 C 03 59 54.219 +01 33 29.28 U F51
2019-09-26 14:49:51 C 03 59 53.954 +01 33 27.32 U F51
2019-09-27 14:06:18 C 03 59 30.923 +01 30 10.50 U F51
2019-09-27 14:25:07 C 03 59 30.570 +01 30 07.87 U F51
2019-09-27 14:43:52 C 03 59 30.225 +01 30 05.25 U F51
2019-10-24 11:48:37 C 03 34 31.585 +00 04 26.16 U F52
2019-10-24 12:24:27 C 03 34 29.451 +00 04 22.80 U F52
2019-10-24 12:42:16 C 03 34 28.396 +00 04 21.24 U F52
2021-10-03 11:44:24 C 03 20 51.837 -05 52 55.27 U F52
2021-10-03 12:00:05 C 03 20 51.115 -05 52 58.74 U F52
2021-10-03 12:15:47 C 03 20 50.434 -05 53 02.79 U F52
2021-10-05 11:45:46 C 03 18 45.093 -06 03 53.67 U F52
2021-10-05 12:03:14 C 03 18 44.272 -06 03 57.70 U F52
2021-10-05 12:20:44 C 03 18 43.448 -06 04 01.50 U F52
2021-10-05 12:38:17 C 03 18 42.600 -06 04 05.49 U F52
2021-10-13 12:35:40 C 03 08 50.404 -06 43 37.02 U F51
2021-10-13 12:53:30 C 03 08 49.350 -06 43 40.19 U F51
2021-10-13 13:11:37 C 03 08 48.291 -06 43 43.41 U F51
2021-10-13 13:29:26 C 03 08 47.247 -06 43 46.70 U F51
2021-10-29 08:28:18 C 02 44 37.001 -07 26 01.26 U F52
2021-10-29 09:03:37 C 02 44 34.549 -07 26 02.37 U F52
2021-10-29 09:21:13 C 02 44 33.309 -07 26 02.70 U F52
2021-10-31 07:38:28 C 02 41 24.28 -07 26 49.3 V G96
2021-10-31 07:45:57 C 02 41 23.74 -07 26 48.8 V G96
2021-10-31 07:53:25 C 02 41 23.20 -07 26 49.1 V G96
2021-10-31 08:00:54 C 02 41 22.74 -07 26 48.5 V G96
2021-11-11 08:34:08 C 02 23 51.315 -07 09 44.19 U F51
2021-11-11 09:10:49 C 02 23 48.936 -07 09 39.49 U F51
2021-11-11 09:29:08 C 02 23 47.751 -07 09 37.00 U F51
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)