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
2014-01-16 04:07:57 C 03 49 55.95 +21 43 24.3 u H21
2014-02-22 03:06:37 C 03 57 54.12 +22 33 35.1 q G96
2014-02-22 03:13:11 C 03 57 54.34 +22 33 36.0 q G96
2014-02-22 03:19:46 C 03 57 54.54 +22 33 36.8 q G96
2014-02-22 03:26:20 C 03 57 54.77 +22 33 37.4 q G96
2014-02-26 05:38:45 C 04 01 33.139 +22 46 12.35 L F51
2014-02-26 05:57:56 C 04 01 33.876 +22 46 14.82 L F51
2014-02-26 06:17:02 C 04 01 34.614 +22 46 17.35 L F51
2014-02-26 06:36:06 C 04 01 35.343 +22 46 19.64 L F51
2014-03-20 05:45:54 C 04 29 07.274 +24 05 20.78 L F51
2014-03-20 05:52:35 C 04 29 07.693 +24 05 21.76 L F51
2014-03-20 06:05:54 C 04 29 08.537 +24 05 23.80 L F51
2014-04-01 03:18:06 C 04 49 08.79 +24 49 07.8 q G96
2014-04-01 03:25:24 C 04 49 09.34 +24 49 08.8 q G96
2014-04-01 03:32:43 C 04 49 09.87 +24 49 09.8 q G96
2014-04-01 03:40:02 C 04 49 10.46 +24 49 11.3 q G96
2015-07-14 02:03:27 C 23 01 29.00 -12 16 50.5 q I93
2015-07-14 02:35:20 C 23 01 28.48 -12 16 55.5 q I93
2015-07-28 11:56:30 C 22 53 40.398 -13 24 59.98 L F51
2015-07-28 12:12:35 C 22 53 39.931 -13 25 03.62 L F51
2015-07-28 12:28:23 C 22 53 39.454 -13 25 06.98 L F51
2017-11-16 05:16:15 C 01 56 59.00 +09 05 36.6 U G96
2017-11-16 05:23:47 C 01 56 58.78 +09 05 35.9 U G96
2017-11-16 05:31:21 C 01 56 58.53 +09 05 34.9 U G96
2018-11-02 09:29:06 C 07 22 59.43 +24 02 22.6 V 703
2018-11-02 09:36:10 C 07 22 59.71 +24 02 22.2 V 703
2018-11-02 09:43:14 C 07 22 59.85 +24 02 23.1 V 703
2018-11-02 09:50:18 C 07 23 00.11 +24 02 23.5 V 703
2018-11-05 11:37:59 C 07 25 39.10 +24 04 42.2 V G96
2018-11-05 11:45:37 C 07 25 39.35 +24 04 42.5 V G96
2018-11-05 11:53:13 C 07 25 39.60 +24 04 42.9 V G96
2018-11-05 12:00:48 C 07 25 39.86 +24 04 43.0 V G96
2018-11-07 09:19:02 C 07 27 12.17 +24 06 26.9 U I41
2018-11-07 12:07:56 C 07 27 17.52 +24 06 34.5 U I41
2018-11-08 09:25:00 C 07 27 59.28 +24 07 29.2 V G96
2018-11-08 09:32:22 C 07 27 59.51 +24 07 29.7 V G96
2018-11-08 09:39:44 C 07 27 59.73 +24 07 30.0 V G96
2018-11-08 09:54:50 C 07 28 00.22 +24 07 30.7 V G96
2018-11-19 14:43:34 C 07 35 11.04 +24 25 12.0 U T08
2018-11-19 14:54:43 C 07 35 11.27 +24 25 13.5 U T08
2018-11-19 15:16:00 C 07 35 11.65 +24 25 14.3 U T08
2018-11-19 15:35:05 C 07 35 12.05 +24 25 16.9 U T08
2018-11-21 06:53:49 C 07 35 59.45 +24 28 54.1 U I41
2018-11-21 08:47:35 C 07 36 01.49 +24 29 06.5 U I41
2018-11-29 14:11:44 C 07 38 43.15 +24 52 43.5 U T05
2018-11-29 14:34:39 C 07 38 43.26 +24 52 46.4 U T05
2018-11-29 14:44:08 C 07 38 43.35 +24 52 48.0 U T05
2018-11-29 15:06:52 C 07 38 43.46 +24 52 51.3 U T05
2018-12-03 17:19:51 C 07 39 14.24 +25 07 59.6 o C94
2018-12-03 17:24:36 C 07 39 14.22 +25 07 59.7 o C94
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)