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
2019-04-18 07:17:34 C 08 03 21.36 +27 52 08.3 V T05
2019-04-18 07:25:46 C 08 03 22.44 +27 52 04.4 V T05
2019-04-18 07:34:07 C 08 03 23.54 +27 51 59.9 V T05
2019-04-19 04:15:39 C 08 06 12.55 +27 41 21.3 V 703
2019-04-19 04:23:44 C 08 06 13.59 +27 41 15.9 V 703
2019-04-19 04:31:50 C 08 06 14.74 +27 41 12.6 V 703
2019-04-19 04:39:56 C 08 06 15.81 +27 41 08.3 V 703
2019-04-19 04:41:53 C 08 06 16.05 +27 41 07.6 V 703
2019-04-19 04:49:32 C 08 06 17.06 +27 41 03.0 V 703
2019-04-19 04:57:10 C 08 06 18.10 +27 40 59.2 V 703
2019-04-19 05:04:49 C 08 06 19.09 +27 40 54.8 V 703
2019-04-19 20:08:27 C 08 08 23.40 +27 32 57.5 a 233
2019-04-19 20:15:33 C 08 08 24.38 +27 32 53.4 a 233
2019-04-19 20:21:36 C 08 08 25.18 +27 32 50.5 a 233
2019-04-19 20:22:48 C 08 08 25.45 +27 32 49.0 V A16
2019-04-19 20:27:41 C 08 08 26.03 +27 32 47.6 a 233
2019-04-19 20:33:25 C 08 08 26.83 +27 32 43.6 V A16
2019-04-19 20:33:44 C 08 08 26.83 +27 32 43.8 a 233
2019-04-19 21:05:50 C 08 08 31.21 +27 32 25.3 V A16
2019-04-20 07:07:47 C 08 09 54.33 +27 27 08.4 V T08
2019-04-20 07:16:36 C 08 09 55.55 +27 27 03.9 V T08
2019-04-20 07:22:53 C 08 09 56.41 +27 27 00.2 V T08
2019-04-20 07:31:29 C 08 09 57.58 +27 26 55.7 V T08
2019-04-20 07:37:30 C 08 09 58.35 +27 26 52.2 V T08
2019-04-20 07:45:47 C 08 09 59.49 +27 26 47.5 V T08
2019-04-20 07:51:51 C 08 10 00.33 +27 26 43.9 V T08
2019-04-20 08:00:06 C 08 10 01.42 +27 26 39.2 V T08
2019-04-21 16:18:25 C 08 14 32.22 +27 08 45.6 q C97
2019-04-21 16:20:36 C 08 14 32.59 +27 08 44.3 q C97
2019-04-21 16:22:47 C 08 14 32.75 +27 08 43.8 q C97
2019-04-21 16:24:58 C 08 14 33.05 +27 08 42.3 q C97
2019-04-21 20:17:38 C 08 15 05.90 +27 06 24.3 V A16
2019-04-21 20:27:36 C 08 15 07.28 +27 06 18.5 V A16
2019-04-21 20:48:36 C 08 15 10.17 +27 06 05.7 V A16
2019-04-21 21:09:06 C 08 15 13.04 +27 05 54.2 V A16
2019-04-22 07:07:24 C 08 16 37.48 +27 00 16.2 V T05
2019-04-22 07:15:59 C 08 16 38.65 +27 00 11.1 V T05
2019-04-22 07:25:24 C 08 16 39.95 +27 00 05.5 V T05
2019-04-22 19:50:55 C 08 18 25.84 +26 52 42.5 o 069
2019-04-22 20:07:02 C 08 18 28.19 +26 52 32.9 o 069
2019-04-22 20:23:08 C 08 18 30.46 +26 52 23.2 o 069
2019-04-24 05:54:08 C 08 23 18.74 +26 32 19.2 V T08
2019-04-24 06:18:00 C 08 23 22.08 +26 32 04.6 V T08
2019-04-24 06:30:51 C 08 23 23.91 +26 31 56.2 V T08
2019-04-24 06:41:55 C 08 23 25.44 +26 31 49.1 V T08
2019-04-24 06:59:03 C 08 23 27.88 +26 31 38.5 V T08
2019-04-24 07:07:48 C 08 23 29.10 +26 31 33.1 V T08
2019-04-24 07:17:28 C 08 23 30.47 +26 31 26.8 V T08
2019-04-24 07:26:21 C 08 23 31.73 +26 31 21.1 V T08
2019-04-25 05:06:13 C 08 26 40.11 +26 17 43.2 V 703
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)