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
2022-11-08 10:30:31 C 02 46 06.676 +13 51 57.31 V G96
2022-11-08 10:39:03 C 02 46 06.312 +13 51 55.87 V G96
2022-11-08 10:47:33 C 02 46 06.020 +13 51 54.54 V G96
2022-11-16 07:47:35 C 02 38 46.129 +13 23 15.58 V G96
2022-11-16 07:55:00 C 02 38 45.816 +13 23 14.42 V G96
2022-11-16 08:02:25 C 02 38 45.539 +13 23 13.09 V G96
2022-11-16 08:09:50 C 02 38 45.236 +13 23 12.30 V G96
2022-11-17 07:08:01 C 02 37 52.788 +13 19 47.41 U F52
2022-11-17 07:22:37 C 02 37 52.218 +13 19 45.34 U F52
2022-11-17 07:37:12 C 02 37 51.650 +13 19 43.24 U F52
2022-11-17 07:51:49 C 02 37 51.098 +13 19 41.17 U F52
2022-12-14 05:21:19 C 02 17 27.107 +12 03 52.40 U F52
2022-12-14 05:36:56 C 02 17 26.736 +12 03 51.25 U F52
2022-12-14 06:08:09 C 02 17 26.014 +12 03 48.97 U F52
2022-12-25 06:34:11 C 02 12 43.848 +11 50 49.81 V V00
2022-12-25 06:34:59 C 02 12 43.830 +11 50 49.67 V V00
2022-12-25 06:41:23 C 02 12 43.747 +11 50 49.52 V V00
2022-12-25 06:42:10 C 02 12 43.733 +11 50 49.67 V V00
2022-12-25 06:48:32 C 02 12 43.654 +11 50 49.60 V V00
2022-12-25 06:49:20 C 02 12 43.628 +11 50 49.42 V V00
2022-12-25 06:55:40 C 02 12 43.549 +11 50 49.16 V V00
2022-12-25 06:56:28 C 02 12 43.549 +11 50 49.24 V V00
2023-10-16 11:27:54 C 09 48 48.647 +16 09 07.42 V V00
2023-10-16 11:35:50 C 09 48 49.597 +16 09 03.13 V V00
2023-10-16 11:43:45 C 09 48 50.540 +16 08 58.85 V V00
2023-10-16 11:51:43 C 09 48 51.491 +16 08 54.64 V V00
2023-10-23 11:50:34 C 10 09 15.404 +14 33 39.49 V 703
2023-10-23 11:56:54 C 10 09 16.160 +14 33 35.96 V 703
2023-10-23 12:03:13 C 10 09 16.938 +14 33 32.33 V 703
2023-10-23 12:09:33 C 10 09 17.658 +14 33 28.62 V 703
2023-11-04 12:16:29 C 10 45 46.645 +11 26 29.00 V 703
2023-11-04 12:23:33 C 10 45 47.563 +11 26 23.75 V 703
2023-11-04 12:30:36 C 10 45 48.420 +11 26 18.42 V 703
2023-11-04 12:37:40 C 10 45 49.374 +11 26 13.99 V 703
2023-11-21 15:06:14 C 11 41 28.755 +06 08 43.20 X F51
2023-11-21 15:19:22 C 11 41 30.603 +06 08 32.19 X F51
2023-11-21 15:24:54 C 11 41 31.369 +06 08 27.54 X F51
2023-12-13 11:52:15 C 12 59 38.245 -01 47 24.32 V 703
2023-12-13 11:55:12 C 12 59 38.731 -01 47 26.63 V 703
2023-12-13 11:58:07 C 12 59 39.138 -01 47 29.40 V 703
2023-12-13 12:01:03 C 12 59 39.678 -01 47 32.24 V 703
2023-12-15 12:44:23 C 13 07 19.160 -02 33 59.22 V 703
2023-12-15 12:47:44 C 13 07 19.758 -02 34 01.92 V 703
2023-12-15 12:54:24 C 13 07 20.712 -02 34 08.40 V 703
2023-12-17 12:02:37 C 13 14 49.232 -03 19 08.76 V 703
2023-12-17 12:05:58 C 13 14 49.754 -03 19 12.25 V 703
2023-12-17 12:09:19 C 13 14 50.276 -03 19 13.80 V 703
2023-12-17 12:12:39 C 13 14 50.744 -03 19 17.29 V 703
2023-12-29 12:47:46 C 14 01 48.407 -07 52 04.04 V 703
2023-12-29 12:54:23 C 14 01 49.501 -07 52 09.16 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)