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
2019-04-04 07:19:58 C 07 22 08.78 +30 03 14.4 V T08
2019-04-04 07:29:10 C 07 22 09.75 +30 03 11.5 V T08
2019-04-04 07:29:50 C 07 22 09.83 +30 03 11.3 V T08
2019-04-04 07:41:40 C 07 22 11.08 +30 03 07.7 V T08
2019-04-04 07:43:24 C 07 22 11.26 +30 03 07.2 V T08
2019-04-04 07:54:59 C 07 22 12.48 +30 03 03.7 V T08
2019-04-06 00:56:30 C 07 26 45.00 +29 50 56.5 o W92
2019-04-06 01:03:46 C 07 26 45.80 +29 50 54.2 o W92
2019-04-06 07:36:19 C 07 27 29.84 +29 48 41.7 V T05
2019-04-06 07:48:33 C 07 27 31.17 +29 48 37.7 V T05
2019-04-06 08:01:29 C 07 27 32.61 +29 48 33.3 V T05
2019-04-06 08:13:36 C 07 27 33.94 +29 48 29.2 V T05
2019-04-07 18:47:26 C 07 31 32.06 +29 37 12.4 a 233
2019-04-07 18:53:08 C 07 31 32.67 +29 37 10.4 a 233
2019-04-07 18:58:47 C 07 31 33.30 +29 37 08.3 a 233
2019-04-07 19:04:55 C 07 31 33.98 +29 37 06.2 a 233
2019-04-07 19:10:56 C 07 31 34.69 +29 37 04.0 a 233
2019-04-08 03:27:45 C 07 32 32.40 +29 34 19.2 V 703
2019-04-08 03:35:57 C 07 32 33.33 +29 34 16.1 V 703
2019-04-08 03:44:09 C 07 32 34.27 +29 34 13.2 V 703
2019-04-08 03:52:20 C 07 32 35.20 +29 34 10.3 V 703
2019-04-08 07:07:44 C 07 32 57.94 +29 33 06.3 V T08
2019-04-08 07:17:19 C 07 32 59.03 +29 33 02.9 V T08
2019-04-08 07:27:02 C 07 33 00.13 +29 32 59.5 V T08
2019-04-08 07:38:23 C 07 33 01.43 +29 32 55.3 V T08
2019-04-14 07:10:04 C 07 50 40.19 +28 37 15.9 V T05
2019-04-14 07:18:21 C 07 50 41.23 +28 37 12.2 V T05
2019-04-14 07:34:19 C 07 50 43.24 +28 37 05.2 V T05
2019-04-14 07:34:59 C 07 50 43.32 +28 37 04.7 V T05
2019-04-16 06:42:35 C 07 56 51.82 +28 15 47.5 V T08
2019-04-16 06:52:13 C 07 56 53.06 +28 15 43.2 V T08
2019-04-16 07:00:30 C 07 56 54.13 +28 15 39.0 V T08
2019-04-16 07:07:52 C 07 56 55.07 +28 15 35.2 V T08
2019-04-16 07:13:13 C 07 56 55.78 +28 15 32.7 V T08
2019-04-16 07:16:09 C 07 56 56.13 +28 15 31.4 V T08
2019-04-16 07:25:06 C 07 56 57.33 +28 15 26.9 V T08
2019-04-16 07:31:30 C 07 56 58.14 +28 15 23.5 V T08
2019-04-16 07:46:49 C 07 56 59.98 +28 15 15.7 V T08
2019-04-16 16:24:16 C 07 58 08.79 +28 11 12.3 q C97
2019-04-16 16:26:27 C 07 58 08.99 +28 11 12.0 q C97
2019-04-17 13:41:38 C 08 00 59.04 +28 00 51.0 q D29
2019-04-17 14:04:11 C 08 01 01.98 +28 00 39.4 q D29
2019-04-17 14:26:44 C 08 01 04.98 +28 00 28.0 q D29
2019-04-17 20:22:54 C 08 01 53.12 +27 57 28.2 o 069
2019-04-17 20:39:46 C 08 01 55.37 +27 57 19.5 o 069
2019-04-17 21:00:55 C 08 01 58.18 +27 57 08.7 o 069
2019-04-17 21:43:10 C 08 02 03.85 +27 56 47.2 o 069
2019-04-17 22:04:17 C 08 02 06.68 +27 56 36.3 o 069
2019-04-17 22:25:26 C 08 02 09.57 +27 56 25.6 o 069
2019-04-18 07:07:47 C 08 03 20.06 +27 52 13.8 V T05
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)