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
2021-11-25 06:20:25 C 02 05 24.467 -05 58 45.95 U F52
2021-11-25 06:37:40 C 02 05 23.647 -05 58 41.10 U F52
2021-11-25 06:54:57 C 02 05 22.825 -05 58 36.04 U F52
2023-09-15 13:58:49 C 02 59 54.413 -12 05 35.78 X F52
2023-09-15 14:15:27 C 02 59 53.918 -12 05 41.79 X F52
2023-09-15 14:32:02 C 02 59 53.426 -12 05 47.49 X F52
2023-09-15 14:48:45 C 02 59 52.927 -12 05 53.12 X F52
2023-10-07 11:44:52 C 02 35 28.074 -14 48 10.93 X F51
2023-10-07 12:02:04 C 02 35 26.958 -14 48 14.80 X F51
2023-10-07 12:20:05 C 02 35 25.806 -14 48 19.28 X F51
2023-10-07 12:37:17 C 02 35 24.694 -14 48 23.25 X F51
2023-10-17 08:47:06 C 02 19 39.119 -15 27 12.06 V G96
2023-10-17 08:55:39 C 02 19 38.489 -15 27 11.88 V G96
2023-10-17 09:04:08 C 02 19 37.895 -15 27 13.18 V G96
2023-10-17 09:17:44 C 02 19 36.908 -15 27 13.82 V G96
2023-10-18 09:56:08 C 02 17 53.965 -15 29 19.26 X F52
2023-10-18 10:11:58 C 02 17 52.839 -15 29 20.48 X F52
2023-10-18 10:27:50 C 02 17 51.684 -15 29 21.58 X F52
2023-11-10 06:24:46 C 01 42 01.202 -14 31 53.62 V G96
2023-11-10 06:32:12 C 01 42 00.796 -14 31 51.35 V G96
2023-11-10 06:39:38 C 01 42 00.407 -14 31 48.83 V G96
2023-11-10 06:47:03 C 01 41 59.917 -14 31 47.35 V G96
2023-11-10 07:38:36 C 01 41 57.348 -14 31 32.29 X F51
2023-11-10 07:56:15 C 01 41 56.360 -14 31 27.04 X F51
2023-11-10 08:13:52 C 01 41 55.379 -14 31 22.52 X F51
2023-11-17 07:40:25 C 01 33 36.458 -13 37 48.03 X F52
2023-11-17 07:57:12 C 01 33 35.676 -13 37 41.87 X F52
2023-11-17 08:14:00 C 01 33 34.904 -13 37 35.94 X F52
2023-11-17 08:30:50 C 01 33 34.115 -13 37 29.85 X F52
2024-11-01 03:19:42 C 11 12 20.81 +19 23 09.2 X 033
2024-11-01 03:24:54 C 11 12 21.51 +19 23 07.5 X 033
2024-11-01 03:30:05 C 11 12 22.19 +19 23 04.9 X 033
2024-11-01 03:35:16 C 11 12 22.90 +19 23 02.3 X 033
2025-04-01 09:22:58 C 21 25 03.37 -18 44 51.2 X W84
2025-04-01 09:35:19 C 21 25 05.41 -18 44 51.2 X W84
2025-04-01 09:47:44 C 21 25 07.48 -18 44 51.3 X W84
2025-04-01 10:00:04 C 21 25 09.53 -18 44 51.4 X W84
2025-04-07 09:15:15 C 21 48 43.34 -18 40 04.0 X W84
2025-04-07 09:27:42 C 21 48 45.34 -18 40 03.3 X W84
2025-04-07 09:40:00 C 21 48 47.31 -18 40 02.7 X W84
2025-04-07 09:52:21 C 21 48 49.28 -18 40 01.9 X W84
2025-08-28 14:06:13 C 02 32 06.277 -19 36 17.57 X F51
2025-08-28 14:20:31 C 02 32 06.018 -19 36 24.38 X F51
2025-08-28 14:34:40 C 02 32 05.769 -19 36 31.19 X F51
2025-08-28 14:48:44 C 02 32 05.526 -19 36 37.69 X F51
2025-09-14 12:39:03 C 02 18 46.611 -22 46 03.21 X F52
2025-09-14 12:56:41 C 02 18 45.683 -22 46 10.83 X F52
2025-09-14 13:14:17 C 02 18 44.757 -22 46 18.35 X F52
2025-09-14 13:31:56 C 02 18 43.849 -22 46 26.01 X F52
2025-09-15 12:51:34 C 02 17 32.855 -22 56 23.30 X 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)