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
2019-05-31 04:04:29 C 10 45 13.70 +12 00 03.4 U I41
2019-05-31 04:05:08 C 10 45 13.80 +12 00 02.5 U I41
2019-05-31 04:38:35 C 10 45 19.27 +11 59 19.3 U I41
2019-05-31 04:39:14 C 10 45 19.38 +11 59 18.4 U I41
2019-05-31 20:16:05 C 10 47 54.79 +11 39 06.6 q 160
2019-05-31 20:18:59 C 10 47 55.25 +11 39 03.0 q 160
2019-05-31 20:21:50 C 10 47 55.73 +11 38 59.2 q 160
2019-06-01 03:41:57 C 10 49 08.75 +11 29 31.2 V G96
2019-06-01 03:50:01 C 10 49 10.06 +11 29 20.7 V G96
2019-06-01 03:58:04 C 10 49 11.38 +11 29 10.2 V G96
2019-06-01 04:06:08 C 10 49 12.69 +11 28 59.7 V G96
2019-06-01 04:18:21 C 10 49 14.67 +11 28 43.8 V 703
2019-06-01 04:26:30 C 10 49 16.02 +11 28 33.1 V 703
2019-06-01 04:34:39 C 10 49 17.36 +11 28 22.5 V 703
2019-06-01 04:42:48 C 10 49 18.67 +11 28 11.6 V 703
2019-06-01 07:03:36 C 10 49 42.06 +11 25 11.6 V T05
2019-06-01 07:08:14 C 10 49 42.82 +11 25 05.9 V T05
2019-06-01 07:15:35 C 10 49 44.01 +11 24 56.1 V T05
2019-06-01 07:30:20 C 10 49 46.43 +11 24 37.0 V T05
2019-06-01 20:21:18 C 10 51 54.30 +11 07 49.1 q 160
2019-06-01 20:24:15 C 10 51 54.77 +11 07 45.6 q 160
2019-06-01 20:27:14 C 10 51 55.27 +11 07 41.6 q 160
2019-06-05 04:21:41 C 11 05 07.23 +09 22 38.3 V 703
2019-06-05 04:29:52 C 11 05 08.55 +09 22 27.1 V 703
2019-06-05 04:38:02 C 11 05 09.90 +09 22 16.3 V 703
2019-06-05 04:46:13 C 11 05 11.23 +09 22 05.5 V 703
2019-06-05 20:28:21 C 11 07 46.40 +09 01 13.0 q 160
2019-06-05 20:31:18 C 11 07 46.88 +09 01 09.2 q 160
2019-06-05 20:34:14 C 11 07 47.34 +09 01 05.6 q 160
2019-06-08 06:35:04 C 11 17 18.43 +07 43 47.3 V T05
2019-06-08 06:43:43 C 11 17 19.81 +07 43 35.4 V T05
2019-06-08 06:58:18 C 11 17 22.17 +07 43 15.9 V T05
2019-06-12 06:34:38 C 11 32 55.32 +05 35 07.4 V T05
2019-06-12 06:35:19 C 11 32 55.41 +05 35 05.9 V T05
2019-06-12 06:55:29 C 11 32 58.59 +05 34 39.1 V T05
2019-06-12 07:15:26 C 11 33 01.74 +05 34 12.1 V T05
2019-06-13 20:17:40 C 11 39 00.18 +04 44 31.1 q 160
2019-06-13 20:20:06 C 11 39 00.47 +04 44 27.0 q 160
2019-06-14 07:57:19 C 11 40 52.37 +04 28 58.7 V T08
2019-06-14 08:01:20 C 11 40 52.98 +04 28 53.1 V T08
2019-06-14 08:49:38 C 11 41 00.65 +04 27 48.5 V T08
2019-06-14 08:57:01 C 11 41 01.83 +04 27 38.6 V T08
2019-06-15 04:19:06 C 11 44 08.37 +04 01 45.6 V 703
2019-06-15 04:26:41 C 11 44 09.50 +04 01 36.0 V 703
2019-06-15 04:34:16 C 11 44 10.71 +04 01 24.4 V 703
2019-06-15 04:41:51 C 11 44 11.93 +04 01 13.8 V 703
2019-06-16 04:28:37 C 11 47 59.78 +03 29 32.2 V 703
2019-06-16 04:49:23 C 11 48 03.16 +03 29 05.5 V 703
2019-06-16 04:59:45 C 11 48 04.73 +03 28 50.6 V 703
2019-06-16 07:28:45 C 11 48 28.53 +03 25 34.7 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)