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
2019-07-12 06:41:42 C 13 22 13.81 -09 07 19.4 V T08
2019-07-12 06:51:36 C 13 22 15.24 -09 07 29.6 V T08
2019-07-12 07:11:28 C 13 22 17.99 -09 07 49.7 V T08
2019-07-14 06:33:51 C 13 28 56.76 -09 56 20.4 V T05
2019-07-14 06:44:35 C 13 28 58.23 -09 56 30.3 V T05
2019-07-14 06:49:15 C 13 28 58.89 -09 56 35.2 V T05
2019-07-14 07:06:31 C 13 29 01.28 -09 56 52.4 V T05
2019-07-21 07:57:39 C 13 52 09.11 -12 37 48.2 q E89
2019-07-21 08:14:14 C 13 52 11.24 -12 38 02.2 q E89
2019-07-26 06:11:38 C 14 07 50.74 -14 19 49.8 V T05
2019-07-26 06:17:15 C 14 07 51.46 -14 19 54.4 V T05
2019-07-26 06:26:01 C 14 07 52.61 -14 20 01.4 V T05
2019-07-26 06:40:38 C 14 07 54.47 -14 20 13.1 V T05
2019-07-30 06:37:25 C 14 20 21.68 -15 36 28.9 V T05
2019-07-30 06:42:07 C 14 20 22.27 -15 36 32.6 V T05
2019-07-30 06:49:55 C 14 20 23.31 -15 36 38.3 V T05
2019-07-30 07:05:48 C 14 20 25.35 -15 36 50.4 V T05
2020-08-14 12:55:26 C 23 27 11.084 -09 43 42.50 U F51
2020-08-14 13:27:37 C 23 27 10.113 -09 43 49.44 U F51
2020-08-14 13:43:45 C 23 27 09.631 -09 43 52.82 U F51
2020-08-19 12:21:59 C 23 23 32.974 -10 09 46.61 U F51
2020-08-19 12:39:58 C 23 23 32.396 -10 09 50.64 U F51
2020-08-19 12:57:58 C 23 23 31.809 -10 09 54.54 U F51
2020-08-19 13:15:59 C 23 23 31.227 -10 09 58.70 U F51
2020-10-15 05:55:16 C 22 42 29.862 -13 48 26.53 U F51
2020-10-15 06:13:16 C 22 42 29.553 -13 48 27.77 U F51
2020-10-15 06:31:15 C 22 42 29.232 -13 48 28.17 U F51
2020-10-15 06:49:14 C 22 42 28.904 -13 48 29.07 U F51
2021-10-02 09:31:18 C 00 58 40.483 +01 33 11.89 U F52
2021-10-02 09:47:47 C 00 58 39.969 +01 33 08.93 U F52
2021-10-02 10:04:22 C 00 58 39.472 +01 33 05.85 U F52
2021-10-02 10:20:56 C 00 58 38.946 +01 33 02.71 U F52
2021-10-04 08:54:41 C 00 57 13.725 +01 24 30.33 U F51
2021-10-04 09:13:28 C 00 57 13.139 +01 24 27.12 U F51
2021-10-04 09:32:19 C 00 57 12.542 +01 24 23.87 U F51
2021-10-04 09:51:09 C 00 57 11.970 +01 24 20.21 U F51
2021-11-01 06:55:37 C 00 37 53.569 -00 22 09.57 U F51
2021-11-01 07:12:50 C 00 37 53.120 -00 22 11.95 U F51
2021-11-01 07:29:54 C 00 37 52.716 -00 22 13.95 U F51
2022-10-23 08:45:58 C 03 00 32.362 +14 48 11.61 U F52
2022-10-23 09:03:23 C 03 00 31.753 +14 48 09.17 U F52
2022-10-23 09:20:47 C 03 00 31.120 +14 48 06.87 U F52
2022-10-26 07:36:07 C 02 58 02.384 +14 38 28.93 V G96
2022-10-26 07:43:41 C 02 58 02.111 +14 38 27.60 V G96
2022-10-26 07:51:16 C 02 58 01.844 +14 38 27.28 V G96
2022-10-26 07:58:52 C 02 58 01.574 +14 38 25.40 V G96
2022-10-28 08:12:49 C 02 56 16.509 +14 31 37.12 U F52
2022-10-28 08:27:22 C 02 56 15.964 +14 31 35.04 U F52
2022-10-28 08:56:26 C 02 56 14.866 +14 31 31.00 U F52
2022-11-08 10:22:00 C 02 46 07.050 +13 51 58.54 V G96
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)