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
2024-07-01 02:47:12 C 20 21 57.605 -25 36 25.92 V M22
2024-07-01 02:54:51 C 20 21 57.199 -25 36 28.26 V M22
2024-07-01 03:09:08 C 20 21 56.407 -25 36 31.75 V M22
2024-07-01 23:45:05 C 20 20 49.326 -25 42 12.19 W M01
2024-07-01 23:51:45 C 20 20 48.959 -25 42 14.27 W M01
2024-07-01 23:58:25 C 20 20 48.571 -25 42 15.36 W M01
2024-07-02 05:35:37 C 20 20 30.242 -25 43 38.46 V W68
2024-07-02 05:40:12 C 20 20 29.986 -25 43 39.47 V W68
2024-07-02 05:48:11 C 20 20 29.534 -25 43 41.92 V W68
2024-07-02 06:13:18 C 20 20 28.092 -25 43 48.47 V W68
2024-07-03 04:41:31 C 20 19 13.706 -25 49 44.58 V W68
2024-07-03 04:45:56 C 20 19 13.450 -25 49 45.98 V W68
2024-07-03 05:04:57 C 20 19 12.350 -25 49 50.77 V W68
2024-07-06 05:01:53 C 20 15 08.585 -26 08 13.96 V W68
2024-07-06 05:04:30 C 20 15 08.434 -26 08 14.64 V W68
2024-07-06 05:08:40 C 20 15 08.177 -26 08 15.83 V W68
2024-07-06 05:56:54 C 20 15 05.316 -26 08 27.71 V W68
2024-07-06 11:14:17 C 20 14 47.210 -26 09 52.70 X F52
2024-07-06 11:28:27 C 20 14 46.362 -26 09 56.19 X F52
2024-07-06 11:42:37 C 20 14 45.517 -26 09 59.73 X F52
2024-07-06 11:56:47 C 20 14 44.672 -26 10 03.19 X F52
2024-07-07 04:27:20 C 20 13 48.067 -26 13 59.02 V W68
2024-07-07 04:32:02 C 20 13 47.779 -26 13 59.95 V W68
2024-07-07 04:39:53 C 20 13 47.304 -26 14 02.00 V W68
2024-07-07 04:49:43 C 20 13 46.716 -26 14 04.74 V W68
2024-07-12 21:59:16 C 20 05 50.323 -26 45 06.99 W M01
2024-07-12 22:52:07 C 20 05 46.927 -26 45 17.20 W M01
2024-07-12 23:13:01 C 20 05 45.691 -26 45 20.91 W M01
2024-07-14 03:55:56 C 20 04 06.598 -26 51 02.56 V W68
2024-07-14 04:00:33 C 20 04 06.288 -26 51 03.56 V W68
2024-07-14 04:04:32 C 20 04 06.070 -26 51 04.54 V W68
2024-07-14 04:13:51 C 20 04 05.501 -26 51 06.41 V W68
2024-07-15 03:19:50 C 20 02 45.996 -26 55 35.26 V W68
2024-07-15 04:08:44 C 20 02 43.114 -26 55 45.16 V W68
2024-07-15 04:11:20 C 20 02 42.965 -26 55 45.26 V W68
2024-07-15 04:13:56 C 20 02 42.792 -26 55 46.45 V W68
2024-07-15 04:16:46 C 20 02 42.641 -26 55 46.45 V W68
2024-07-18 03:15:54 C 19 58 41.510 -27 08 31.92 V W68
2024-07-18 03:18:43 C 19 58 41.306 -27 08 32.14 V W68
2024-07-18 03:22:41 C 19 58 41.078 -27 08 33.00 V W68
2024-07-18 03:30:04 C 19 58 40.651 -27 08 34.15 V W68
2024-07-27 04:25:15 C 19 47 16.248 -27 37 44.58 V W68
2024-07-27 04:29:51 C 19 47 16.027 -27 37 44.87 V W68
2024-07-27 05:20:31 C 19 47 13.471 -27 37 49.62 V W68
2024-07-29 08:42:24 C 19 44 48.097 -27 42 40.95 X F52
2024-07-29 08:50:00 C 19 44 47.732 -27 42 41.66 X F52
2024-07-29 08:57:39 C 19 44 47.363 -27 42 42.25 X F52
2024-07-29 09:05:17 C 19 44 46.997 -27 42 43.00 X F52
2024-07-31 22:03:24 C 19 42 04.010 -27 47 15.58 V M22
2024-07-31 22:11:19 C 19 42 03.677 -27 47 16.15 V M22
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)