6178 (1986 DA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5847926253 ± 7.18e-09
Semi-major axis (a)2.8137367896 AU ± 2.72e-09
Inclination (i)4.31447227° ± 1.53e-06
Long. of Asc. Node (Ω)64.47833583° ± 2.13e-05
Arg. of Perihelion (ω)127.46608007° ± 2.14e-05
Mean Anomaly (M)138.35738287° ± 1.70e-06
Mean Motion (n)0.2088272035°/day ± 3.03e-10
Perihelion dist (q)1.16828427 AU ± 2.02e-08
Aphelion dist (Q)4.45918931 AU ± 2.07e-08
Orbital Period4.71981747 yr ± 6.86e-09
Physical Parameters
H (abs. magnitude)15.71
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.248″
Uncertainty0
Orbit TypeAmor
MOID0.179159 AU
Observations Used1282
Radar Obs Used2
Oppositions7
Arc Total1977-2025
First Observation Used1977-07-17
Last Observation Used2025-09-25
Observations (1381)
Date Type RA Dec Mag Band Observatory
2013-12-02 14:10:25 C 04 36 04.79 +22 44 55.6 q D29
2013-12-03 05:55:52 C 04 35 14.30 +22 44 09.2 q 703
2013-12-03 05:59:29 C 04 35 14.19 +22 44 10.4 q 703
2013-12-03 06:03:10 C 04 35 13.91 +22 44 09.5 q 703
2013-12-03 06:06:48 C 04 35 13.74 +22 44 09.1 q 703
2013-12-07 22:42:14 C 04 29 08.54 +22 38 04.0 t 130
2013-12-07 22:47:37 C 04 29 08.14 +22 38 03.1 t 130
2013-12-07 22:51:02 C 04 29 07.97 +22 38 03.1 t 130
2013-12-09 15:42:31 C 04 26 54.57 +22 35 35.9 q D29
2013-12-09 16:08:17 C 04 26 53.12 +22 35 34.8 q D29
2013-12-09 16:34:03 C 04 26 51.69 +22 35 33.0 q D29
2013-12-09 17:19:08 C 04 26 49.58 +22 35 29.3 v A84
2013-12-09 17:27:25 C 04 26 49.10 +22 35 28.8 v A84
2013-12-09 18:18:06 C 04 26 46.34 +22 35 26.2 v A84
2013-12-09 18:22:56 C 04 26 46.08 +22 35 26.0 v A84
2013-12-09 18:27:45 C 04 26 45.79 +22 35 25.8 v A84
2013-12-10 04:00:55 C 04 26 14.62 +22 34 50.3 q G96
2013-12-10 04:07:40 C 04 26 14.25 +22 34 49.9 q G96
2013-12-10 04:14:26 C 04 26 13.90 +22 34 49.4 q G96
2013-12-10 04:21:12 C 04 26 13.47 +22 34 49.1 q G96
2013-12-10 06:22:18 C 04 26 06.67 +22 34 42.6 q 703
2013-12-10 06:31:48 C 04 26 06.15 +22 34 42.0 q 703
2013-12-10 06:41:19 C 04 26 05.66 +22 34 40.9 q 703
2013-12-10 06:50:50 C 04 26 05.07 +22 34 40.4 q 703
2013-12-23 06:59:47 C 04 09 48.21 +22 12 57.7 q G96
2013-12-23 07:08:47 C 04 09 47.75 +22 12 57.1 q G96
2013-12-23 07:17:48 C 04 09 47.34 +22 12 56.3 q G96
2013-12-23 07:31:01 C 04 09 46.66 +22 12 55.4 q G96
2013-12-28 04:46:14 C 04 04 22.31 +22 04 39.8 q G96
2013-12-28 04:53:09 C 04 04 21.97 +22 04 39.5 q G96
2013-12-28 05:00:03 C 04 04 21.68 +22 04 39.2 q G96
2013-12-28 05:06:57 C 04 04 21.36 +22 04 38.6 q G96
2013-12-31 11:46:04 C 04 01 03.63 +21 59 27.5 q D29
2013-12-31 12:13:16 C 04 01 02.49 +21 59 26.1 q D29
2013-12-31 12:40:28 C 04 01 01.41 +21 59 23.9 q D29
2014-01-04 05:37:46 C 03 57 40.04 +21 54 07.6 q 703
2014-01-04 05:48:52 C 03 57 39.55 +21 54 06.6 q 703
2014-01-04 05:59:59 C 03 57 39.19 +21 54 07.0 q 703
2014-01-04 06:17:15 C 03 57 38.59 +21 54 04.9 q 703
2014-01-06 01:41:07 C 03 56 10.08 +21 51 48.7 R G45
2014-01-06 02:16:03 C 03 56 08.85 +21 51 45.9 R G45
2014-01-06 02:35:45 C 03 56 08.25 +21 51 44.7 R G45
2014-01-06 03:16:22 C 03 56 06.84 +21 51 43.1 R G45
2014-01-06 03:16:27 C 03 56 06.80 +21 51 43.3 R G45
2014-01-07 03:18:43 C 03 55 20.55 +21 50 32.3 q G96
2014-01-07 03:28:05 C 03 55 20.23 +21 50 31.9 q G96
2014-01-07 03:37:28 C 03 55 19.92 +21 50 31.5 q G96
2014-01-07 03:46:50 C 03 55 19.61 +21 50 31.2 q G96
2014-01-16 03:56:10 C 03 49 56.16 +21 43 24.5 u H21
2014-01-16 04:02:25 C 03 49 56.03 +21 43 24.4 u H21
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1986-04-19 02:00:00 -20592.8 1 Hz 2380 -1 -1
1986-04-19.083333 -2059280 100 Hz 2380 251 251
1986-04-21 02:56:00 209263398 8 us 2380 -1 -1
1986-04-21.122222 20926339800 8000 us 2380 251 251
Station codes
-1 Arecibo (305-m, 1963–2020)