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
2023-12-29 12:57:41 C 14 01 49.987 -07 52 12.36 V 703
2023-12-31 11:48:54 C 14 09 38.016 -08 35 15.14 V 703
2023-12-31 11:52:14 C 14 09 38.678 -08 35 19.43 V 703
2023-12-31 11:55:33 C 14 09 39.215 -08 35 22.09 V 703
2023-12-31 11:58:53 C 14 09 39.748 -08 35 26.41 V 703
2024-01-03 12:49:50 C 14 21 52.052 -09 41 14.10 V 703
2024-01-03 13:07:31 C 14 21 54.972 -09 41 29.47 V 703
2024-01-03 14:54:41 C 14 22 13.058 -09 43 04.58 V T05
2024-01-03 15:02:22 C 14 22 14.386 -09 43 11.96 V T05
2024-01-03 15:07:10 C 14 22 15.190 -09 43 15.78 V T05
2024-01-03 15:35:07 C 14 22 19.925 -09 43 40.76 V T05
2024-01-13 15:24:27 C 15 03 00.962 -13 06 37.62 V T08
2024-01-13 15:25:07 C 15 03 01.058 -13 06 38.12 V T08
2024-01-13 15:33:12 C 15 03 02.460 -13 06 44.60 V T08
2024-01-13 15:33:52 C 15 03 02.566 -13 06 45.14 V T08
2024-01-13 15:57:08 C 15 03 06.466 -13 07 04.48 V T08
2024-03-15 02:46:59 C 18 51 20.750 -22 06 19.33 V M22
2024-03-15 02:52:18 C 18 51 21.408 -22 06 19.62 V M22
2024-03-15 03:16:41 C 18 51 24.370 -22 06 19.62 V M22
2024-03-15 03:22:37 C 18 51 25.063 -22 06 19.44 V M22
2024-03-18 03:05:02 C 19 00 03.492 -22 05 59.96 V M22
2024-03-18 03:27:36 C 19 00 06.115 -22 06 00.07 V M22
2024-03-18 03:31:37 C 19 00 06.610 -22 06 00.22 V M22
2024-03-18 03:36:06 C 19 00 07.121 -22 05 59.24 V M22
2024-03-26 02:46:40 C 19 21 38.957 -21 59 39.12 V M22
2024-03-26 02:51:17 C 19 21 39.432 -21 59 39.44 V M22
2024-03-26 03:18:30 C 19 21 42.286 -21 59 38.51 V M22
2024-03-26 03:29:45 C 19 21 43.531 -21 59 38.15 V M22
2024-03-28 08:44:19 C 19 27 19.567 -21 56 48.66 V W68
2024-03-28 08:48:20 C 19 27 19.896 -21 56 48.01 V W68
2024-03-28 08:56:39 C 19 27 20.782 -21 56 47.69 V W68
2024-03-28 09:34:19 C 19 27 24.576 -21 56 45.82 V W68
2024-04-17 14:37:08 C 20 10 08.772 -21 25 22.57 X F52
2024-04-17 14:42:46 C 20 10 09.170 -21 25 22.31 X F52
2024-04-17 14:48:24 C 20 10 09.567 -21 25 22.02 X F52
2024-04-18 08:36:46 C 20 11 26.189 -21 24 17.53 V W68
2024-04-18 08:41:19 C 20 11 26.525 -21 24 16.99 V W68
2024-04-18 08:49:16 C 20 11 27.086 -21 24 16.88 V W68
2024-04-18 08:57:49 C 20 11 27.653 -21 24 15.98 V W68
2024-04-19 20:18:05 S 20 13 55.46 -21 22 28.2 L C51
2024-04-19 20:18:16 S 20 13 55.46 -21 22 28.2 L C51
2024-04-19 23:23:07 S 20 14 08.12 -21 22 18.9 L C51
2024-04-20 05:33:09 S 20 14 33.41 -21 22 00.7 L C51
2024-04-20 13:15:35 S 20 15 04.79 -21 21 39.3 L C51
2024-04-20 14:48:01 S 20 15 11.02 -21 21 34.3 L C51
2024-04-20 17:53:01 S 20 15 23.49 -21 21 25.6 L C51
2024-04-20 19:25:26 S 20 15 29.67 -21 21 21.6 L C51
2024-04-20 20:57:52 S 20 15 35.91 -21 21 17.5 L C51
2024-04-20 22:30:28 S 20 15 42.15 -21 21 11.9 L C51
2024-04-21 07:45:20 S 20 16 19.07 -21 20 47.3 L C51
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)