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
2019-02-06 23:32:19 C 06 33 57.32 +31 32 48.4 d Z35
2019-02-06 23:51:25 C 06 33 56.40 +31 32 50.5 d Z35
2019-02-07 20:04:33 C 06 33 08.24 +31 34 58.2 d Z35
2019-02-07 20:23:59 C 06 33 07.42 +31 35 01.1 d Z35
2019-02-07 20:43:27 C 06 33 06.62 +31 35 02.9 d Z35
2019-02-08 05:14:49 C 06 32 46.36 +31 35 56.1 V 703
2019-02-08 05:22:51 C 06 32 46.02 +31 35 57.0 V 703
2019-02-08 05:30:55 C 06 32 45.68 +31 35 57.8 V 703
2019-02-08 05:38:57 C 06 32 45.34 +31 35 58.5 V 703
2019-02-09 09:03:37 C 06 31 44.15 +31 38 36.9 V T05
2019-02-09 09:30:33 C 06 31 43.09 +31 38 39.0 V T05
2019-02-09 09:31:13 C 06 31 43.08 +31 38 38.8 V T05
2019-02-09 09:32:32 C 06 31 43.02 +31 38 39.3 V T05
2019-02-09 09:57:54 C 06 31 42.00 +31 38 41.2 V T05
2019-02-14 20:41:41 C 06 27 57.06 +31 47 52.7 q 160
2019-02-14 20:44:31 C 06 27 56.99 +31 47 53.0 q 160
2019-02-14 20:47:21 C 06 27 56.92 +31 47 53.1 q 160
2019-02-15 07:56:27 C 06 27 42.89 +31 48 32.0 V T08
2019-02-15 07:59:12 C 06 27 42.81 +31 48 32.3 V T08
2019-02-15 08:13:11 C 06 27 42.51 +31 48 33.2 V T08
2019-02-15 08:26:16 C 06 27 42.18 +31 48 34.0 V T08
2019-02-16 18:43:49 C 06 27 05.24 +31 50 01.1 a 233
2019-02-16 19:02:28 C 06 27 04.85 +31 50 01.4 a 233
2019-02-16 19:18:33 C 06 27 04.56 +31 50 02.6 a 233
2019-02-16 19:34:35 C 06 27 04.25 +31 50 03.0 a 233
2019-02-16 19:50:38 C 06 27 03.92 +31 50 03.6 a 233
2019-02-16 20:49:10 C 06 27 02.80 +31 50 05.9 q 160
2019-02-16 20:52:07 C 06 27 02.75 +31 50 06.2 q 160
2019-02-16 20:55:03 C 06 27 02.71 +31 50 06.3 q 160
2019-02-18 19:49:31 C 06 26 25.66 +31 51 41.6 q K74
2019-02-18 19:52:52 C 06 26 25.60 +31 51 41.7 q K74
2019-02-18 19:58:29 C 06 26 25.54 +31 51 41.8 q K74
2019-02-18 20:03:48 C 06 26 25.46 +31 51 42.0 q K74
2019-02-18 20:33:24 C 06 26 25.08 +31 51 43.7 q 160
2019-02-18 20:36:19 C 06 26 25.03 +31 51 43.9 q 160
2019-02-18 20:39:12 C 06 26 24.98 +31 51 44.1 q 160
2019-02-23 08:09:03 C 06 25 59.31 +31 53 32.6 V T08
2019-02-23 08:35:14 C 06 25 59.30 +31 53 32.5 V T08
2019-02-23 08:49:14 C 06 25 59.28 +31 53 32.2 V T08
2019-02-23 20:34:01 C 06 26 01.98 +31 53 28.5 q K74
2019-02-23 20:55:57 C 06 26 01.99 +31 53 28.4 q K74
2019-02-24 20:14:43 C 06 26 09.83 +31 53 27.5 q L05
2019-02-24 21:40:22 C 06 26 10.14 +31 53 26.3 q L05
2019-03-03 07:43:33 C 06 28 43.27 +31 50 29.3 V T08
2019-03-03 07:56:57 C 06 28 43.58 +31 50 28.6 V T08
2019-03-03 08:09:49 C 06 28 43.86 +31 50 28.0 V T08
2019-03-03 08:23:06 C 06 28 44.17 +31 50 27.2 V T08
2019-03-04 12:27:25 S 06 29 31.61 +31 49 20.2 L C51
2019-03-04 15:36:28 S 06 29 37.24 +31 49 11.8 L C51
2019-03-04 18:44:58 S 06 29 42.91 +31 49 03.8 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)