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
2019-03-28 19:32:28 C 07 06 20.28 +30 41 55.9 q L05
2019-03-28 19:50:10 C 07 06 21.92 +30 41 52.0 q L05
2019-03-29 07:07:08 C 07 07 25.80 +30 39 31.6 V T05
2019-03-29 07:16:08 C 07 07 26.63 +30 39 29.5 V T05
2019-03-29 07:27:54 C 07 07 27.71 +30 39 26.7 V T05
2019-03-29 07:40:57 C 07 07 28.91 +30 39 23.7 V T05
2019-03-29 16:39:44 C 07 08 20.67 +30 37 25.3 q C97
2019-03-29 16:41:56 C 07 08 20.91 +30 37 24.7 q C97
2019-03-29 16:46:19 C 07 08 21.29 +30 37 23.5 q C97
2019-03-29 19:39:29 C 07 08 38.07 +30 36 41.1 q 160
2019-03-29 19:42:18 C 07 08 38.31 +30 36 40.6 q 160
2019-03-29 19:45:16 C 07 08 38.62 +30 36 40.1 q 160
2019-03-29 19:52:20 C 07 08 39.28 +30 36 38.2 a 233
2019-03-29 19:57:46 C 07 08 39.80 +30 36 36.8 a 233
2019-03-29 20:01:33 C 07 08 40.16 +30 36 36.1 a 233
2019-03-29 20:32:57 C 07 08 43.11 +30 36 26.7 V G34
2019-03-29 20:39:57 C 07 08 43.77 +30 36 25.4 V G34
2019-03-29 20:49:06 C 07 08 44.61 +30 36 23.6 V G34
2019-03-30 18:43:18 C 07 10 53.19 +30 31 25.5 U 108
2019-03-30 18:46:30 C 07 10 53.51 +30 31 24.6 U 108
2019-03-30 18:49:44 C 07 10 53.83 +30 31 23.9 U 108
2019-03-31 03:37:15 C 07 11 45.93 +30 29 22.0 V 703
2019-03-31 03:45:38 C 07 11 46.71 +30 29 20.0 V 703
2019-03-31 03:54:00 C 07 11 47.53 +30 29 17.8 V 703
2019-03-31 04:02:23 C 07 11 48.31 +30 29 15.6 V 703
2019-03-31 07:12:24 C 07 12 07.20 +30 28 32.8 V T08
2019-03-31 07:16:47 C 07 12 07.61 +30 28 31.8 V T08
2019-03-31 07:22:19 C 07 12 08.16 +30 28 30.2 V T08
2019-03-31 07:26:41 C 07 12 08.58 +30 28 29.2 V T08
2019-03-31 07:33:16 C 07 12 09.21 +30 28 27.6 V T08
2019-03-31 07:38:32 C 07 12 09.72 +30 28 26.0 V T08
2019-03-31 07:45:51 C 07 12 10.43 +30 28 24.2 V T08
2019-03-31 19:00:36 C 07 13 18.66 +30 25 36.4 a 233
2019-03-31 19:06:43 C 07 13 19.24 +30 25 34.6 a 233
2019-03-31 19:17:50 C 07 13 20.35 +30 25 32.3 a 233
2019-03-31 19:23:24 C 07 13 20.88 +30 25 30.0 a 233
2019-04-01 03:17:28 C 07 14 08.89 +30 23 36.1 V G96
2019-04-01 03:25:02 C 07 14 09.63 +30 23 34.2 V G96
2019-04-01 03:32:37 C 07 14 10.38 +30 23 32.2 V G96
2019-04-01 03:40:11 C 07 14 11.12 +30 23 30.8 V G96
2019-04-01 15:59:32 C 07 15 26.84 +30 20 25.9 q C97
2019-04-01 16:01:43 C 07 15 27.11 +30 20 25.5 q C97
2019-04-01 16:03:55 C 07 15 27.22 +30 20 24.8 q C97
2019-04-01 16:06:06 C 07 15 27.51 +30 20 24.4 q C97
2019-04-04 03:31:11 C 07 21 44.18 +30 04 17.8 V 703
2019-04-04 03:39:27 C 07 21 45.06 +30 04 15.2 V 703
2019-04-04 03:47:43 C 07 21 45.90 +30 04 12.8 V 703
2019-04-04 03:55:59 C 07 21 46.79 +30 04 10.6 V 703
2019-04-04 07:10:43 C 07 22 07.82 +30 03 17.1 V T08
2019-04-04 07:19:18 C 07 22 08.73 +30 03 14.6 V T08
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)