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
2018-12-31 01:36:48 C 07 25 21.92 +27 50 25.8 17.0 q J43
2018-12-31 01:49:05 C 07 25 21.31 +27 50 29.5 16.9 q J43
2018-12-31 08:00:41 C 07 25 04.59 +27 52 24.2 V G96
2018-12-31 08:23:08 C 07 25 03.50 +27 52 31.2 V G96
2018-12-31 08:35:45 C 07 25 02.90 +27 52 34.7 V G96
2018-12-31 08:44:05 C 07 25 02.48 +27 52 37.7 V G96
2018-12-31 11:08:49 C 07 24 55.95 +27 53 24.7 V T05
2018-12-31 11:21:37 C 07 24 55.33 +27 53 28.7 V T05
2018-12-31 11:48:24 C 07 24 54.02 +27 53 36.9 V T05
2018-12-31 11:54:37 C 07 24 53.70 +27 53 38.8 V T05
2019-01-01 00:15:47 C 07 24 19.47 +27 57 25.5 q 160
2019-01-01 00:18:50 C 07 24 19.30 +27 57 26.4 q 160
2019-01-01 00:21:50 C 07 24 19.15 +27 57 27.4 q 160
2019-01-03 00:50:29 C 07 21 58.35 +28 12 36.6 q 160
2019-01-03 00:53:25 C 07 21 58.20 +28 12 37.4 q 160
2019-01-03 00:56:23 C 07 21 58.06 +28 12 37.9 q 160
2019-01-04 11:36:28 C 07 20 11.92 +28 23 35.4 V T05
2019-01-04 11:48:21 C 07 20 11.25 +28 23 39.0 V T05
2019-01-04 11:51:43 C 07 20 11.07 +28 23 40.1 V T05
2019-01-04 12:13:47 C 07 20 09.84 +28 23 46.9 V T05
2019-01-08 10:54:59 C 07 14 58.93 +28 53 24.0 V T05
2019-01-08 11:08:02 C 07 14 58.14 +28 53 28.0 V T05
2019-01-08 11:35:18 C 07 14 56.48 +28 53 36.5 V T05
2019-01-08 11:39:18 C 07 14 56.24 +28 53 37.6 V T05
2019-01-12 06:00:01 C 07 09 36.21 +29 21 09.7 V 703
2019-01-12 06:08:18 C 07 09 35.67 +29 21 12.2 V 703
2019-01-12 06:16:34 C 07 09 35.15 +29 21 15.0 V 703
2019-01-12 06:24:50 C 07 09 34.61 +29 21 17.1 V 703
2019-01-12 10:35:39 C 07 09 19.11 +29 22 34.7 V T05
2019-01-12 10:36:21 C 07 09 19.08 +29 22 34.8 V T05
2019-01-12 10:49:36 C 07 09 18.22 +29 22 38.8 V T05
2019-01-12 10:50:17 C 07 09 18.17 +29 22 39.0 V T05
2019-01-12 11:15:52 C 07 09 16.52 +29 22 46.4 V T05
2019-01-12 11:16:54 C 07 09 16.46 +29 22 46.7 V T05
2019-01-12 11:17:34 C 07 09 16.41 +29 22 46.9 V T05
2019-01-12 11:22:13 C 07 09 16.12 +29 22 48.3 V T05
2019-01-13 15:51:36 C 07 07 31.66 +29 31 07.7 o C94
2019-01-13 16:43:30 C 07 07 28.28 +29 31 23.5 o C94
2019-01-13 17:27:05 C 07 07 25.48 +29 31 36.5 o C94
2019-01-13 17:28:50 C 07 07 25.38 +29 31 36.4 o C94
2019-01-13 17:30:34 C 07 07 25.25 +29 31 36.9 o C94
2019-01-13 18:32:42 C 07 07 21.26 +29 31 55.0 o C94
2019-01-13 18:34:26 C 07 07 21.14 +29 31 55.4 o C94
2019-01-13 18:36:08 C 07 07 21.04 +29 31 56.3 o C94
2019-01-14 10:07:08 C 07 06 23.53 +29 36 34.1 V T08
2019-01-14 10:21:38 C 07 06 22.57 +29 36 38.1 V T08
2019-01-14 10:47:20 C 07 06 20.88 +29 36 45.3 V T08
2019-01-14 10:48:00 C 07 06 20.84 +29 36 45.5 V T08
2019-01-14 23:40:09 C 07 05 32.76 +29 40 23.6 q 160
2019-01-14 23:43:08 C 07 05 32.55 +29 40 24.3 q 160
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)