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
2006-03-29 21:18:42 C 12 30 53.76 +81 47 18.7 c 565
2006-04-08 23:32:44 C 12 36 13.41 +83 07 00.5 17.82 o 084
2006-04-08 23:37:53 C 12 36 13.38 +83 07 01.3 17.56 o 084
2006-04-11 05:44:30 C 12 38 28.88 +83 20 18.2 18.3 c H55
2006-04-11 05:50:11 C 12 38 29.03 +83 20 20.4 18.3 c H55
2006-04-11 05:58:17 C 12 38 28.62 +83 20 21.6 18.2 c H55
2006-04-20 21:50:49 C 12 54 20.52 +84 07 26.8 o A74
2006-04-20 21:51:52 C 12 54 20.66 +84 07 26.5 o A74
2006-04-20 22:02:19 C 12 54 21.03 +84 07 28.8 o A74
2006-04-29 22:45:46 C 13 22 23.76 +84 52 47.5 17.71 o 084
2006-04-29 22:50:55 C 13 22 24.52 +84 52 48.4 17.7 o 084
2006-05-03 23:22:03 C 13 43 11.88 +85 19 42.5 18.12 o 084
2006-05-04 22:21:44 C 13 49 35.03 +85 27 15.2 18.33 o 084
2006-05-04 22:26:54 C 13 49 35.88 +85 27 16.9 17.61 o 084
2006-05-06 23:43:27 C 14 05 40.40 +85 44 59.9 17.45 o 084
2006-05-06 23:48:36 C 14 05 42.55 +85 45 00.8 17.43 o 084
2006-05-07 23:07:48 C 14 15 02.96 +85 54 20.3 17.76 o 084
2006-05-07 23:12:59 C 14 15 04.73 +85 54 21.8 17.92 o 084
2006-05-11 23:18:19 C 15 12 34.49 +86 37 48.3 17.27 o 084
2006-05-11 23:23:29 C 15 12 38.30 +86 37 50.7 17.57 o 084
2006-05-21 21:31:45 C 21 42 52.01 +85 02 54.6 c 157
2006-05-21 21:33:45 C 21 42 54.48 +85 02 50.5 c 157
2006-05-21 21:35:45 C 21 42 57.27 +85 02 46.5 c 157
2006-05-21 21:37:45 C 21 42 59.70 +85 02 42.4 c 157
2006-05-21 21:39:46 C 21 43 02.44 +85 02 38.4 c 157
2006-05-21 21:41:45 C 21 43 05.34 +85 02 34.2 c 157
2006-05-23 02:28:43 C 22 14 44.88 +83 46 06.2 o 649
2006-05-23 02:29:45 C 22 14 46.24 +83 46 03.6 o 649
2006-05-23 02:30:47 C 22 14 47.22 +83 46 00.5 o 649
2006-05-24 01:31:39 C 22 35 29.26 +82 31 35.7 j 012
2006-05-24 01:37:12 C 22 35 33.45 +82 31 17.1 j 012
2006-05-24 01:39:12 C 22 35 35.01 +82 31 10.2 j 012
2006-05-24 01:47:14 C 22 35 41.00 +82 30 43.3 j 012
2006-05-24 01:49:14 C 22 35 42.50 +82 30 36.5 j 012
2006-05-24 01:53:13 C 22 35 45.47 +82 30 23.0 j 012
2006-05-25 09:34:50 C 22 58 21.38 +80 18 37.3 c H45
2006-05-25 09:35:59 C 22 58 22.03 +80 18 32.3 c H45
2006-05-25 09:36:50 C 22 58 22.45 +80 18 28.4 c H45
2006-05-25 09:37:35 C 22 58 22.83 +80 18 25.3 c H45
2006-05-25 09:38:34 C 22 58 23.31 +80 18 20.8 c H45
2006-05-27 22:47:09 C 23 29 31.93 +73 48 11.3 c 157
2006-05-27 22:48:19 C 23 29 32.56 +73 48 02.4 c 157
2006-05-27 22:49:29 C 23 29 33.10 +73 47 53.1 c 157
2006-05-27 22:50:39 C 23 29 33.66 +73 47 43.7 c 157
2006-05-29 17:20:30 C 23 45 04.30 +66 23 29.9 300
2006-05-29 17:23:16 C 23 45 05.13 +66 22 54.8 300
2006-05-29 17:25:53 C 23 45 05.88 +66 22 21.5 300
2006-05-29 17:31:09 C 23 45 07.75 +66 21 15.7 300
2006-06-01 09:00:00 C 00 02 28.86 +45 57 37.5 o G77
2006-06-01 09:22:34 C 00 02 34.10 +45 47 41.7 o G77
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)