1864 Daedalus (1971 FA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6144457497 ± 9.02e-09
Semi-major axis (a)1.4608394399 AU ± 7.41e-10
Inclination (i)22.21687740° ± 1.11e-06
Long. of Asc. Node (Ω)6.59701837° ± 1.87e-06
Arg. of Perihelion (ω)325.66177542° ± 1.90e-06
Mean Anomaly (M)257.57085481° ± 1.82e-06
Mean Motion (n)0.5582240560°/day ± 4.25e-10
Perihelion dist (q)0.56323286 AU ± 1.32e-08
Aphelion dist (Q)2.35844602 AU ± 1.32e-08
Orbital Period1.76564638 yr ± 1.34e-09
Physical Parameters
H (abs. magnitude)14.83
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.311″
Uncertainty0
Orbit TypeApollo
MOID0.269202 AU
Observations Used6128
Radar Obs Used1
Gaia Obs Used126
Oppositions20
Arc Total1971-2026
First Observation Used1971-03-24
Last Observation Used2026-04-04
Observations (7777)
Date Type RA Dec Mag Band Observatory
2008-04-03 04:34:17 C 11 23 53.44 +08 58 45.0 c 704
2008-04-03 04:50:57 C 11 23 51.89 +08 58 46.0 c 704
2008-04-03 05:07:36 C 11 23 50.34 +08 58 47.8 c 704
2008-04-03 05:24:29 C 11 23 48.75 +08 58 49.0 c 704
2008-04-03 21:57:55 C 11 22 18.10 +09 00 03.2 c B61
2008-04-03 22:03:16 C 11 22 17.52 +09 00 03.5 c B61
2008-04-03 22:13:48 C 11 22 16.55 +09 00 04.3 c B61
2008-04-05 00:49:01 C 11 19 52.17 +09 01 47.8 r 084
2008-04-05 00:52:14 C 11 19 51.81 +09 01 48.5 r 084
2008-04-07 18:59:04 C 11 14 02.80 +09 04 48.9 o 151
2008-04-07 19:00:26 C 11 14 02.67 +09 04 48.7 o 151
2008-04-07 19:01:46 C 11 14 02.54 +09 04 48.5 o 151
2008-04-07 19:03:07 C 11 14 02.43 +09 04 48.7 o 151
2008-04-07 19:04:28 C 11 14 02.32 +09 04 48.8 o 151
2008-04-07 19:05:49 C 11 14 02.20 +09 04 48.6 o 151
2008-04-07 19:07:10 C 11 14 02.08 +09 04 48.5 o 151
2008-04-08 05:51:08 C 11 13 06.35 +09 05 09.0 c 704
2008-04-08 06:07:25 C 11 13 04.92 +09 05 09.0 c 704
2008-04-08 06:23:43 C 11 13 03.50 +09 05 09.5 c 704
2008-04-08 06:40:01 C 11 13 02.06 +09 05 09.9 c 704
2008-04-08 06:56:19 C 11 13 00.65 +09 05 10.2 c 704
2008-04-13 03:38:11 C 11 03 27.72 +09 04 48.8 r G96
2008-04-13 03:46:50 C 11 03 27.00 +09 04 48.6 r G96
2008-04-13 03:55:35 C 11 03 26.31 +09 04 48.3 r G96
2008-04-13 04:04:16 C 11 03 25.63 +09 04 48.1 r G96
2008-04-21 19:15:33 C 10 49 00.68 +08 48 50.3 r 084
2008-04-21 19:18:46 C 10 49 00.53 +08 48 49.1 r 084
2008-04-24 05:14:32 C 10 45 37.65 +08 41 07.9 r 703
2008-04-24 05:23:47 C 10 45 37.15 +08 41 06.7 r 703
2008-04-24 05:33:04 C 10 45 36.61 +08 41 05.2 r 703
2008-04-24 05:42:18 C 10 45 36.07 +08 41 03.4 r 703
2008-04-24 22:57:06 C 10 44 39.13 +08 38 26.5 r 084
2008-04-24 23:00:18 C 10 44 38.92 +08 38 25.9 r 084
2008-04-25 06:12:53 C 10 44 15.61 +08 37 22.8 r G96
2008-04-25 06:20:55 C 10 44 15.18 +08 37 21.6 r G96
2008-04-25 06:28:55 C 10 44 14.74 +08 37 20.3 r G96
2008-04-25 06:36:57 C 10 44 14.28 +08 37 19.0 r G96
2008-04-26 21:45:33 C 10 42 12.74 +08 30 56.0 r B09
2008-04-26 21:51:41 C 10 42 12.40 +08 30 54.7 r B09
2008-04-28 05:54:11 C 10 40 38.93 +08 25 18.2 c 704
2008-04-28 06:09:33 C 10 40 38.18 +08 25 15.1 c 704
2008-04-28 06:24:46 C 10 40 37.45 +08 25 12.5 c 704
2008-04-28 06:40:01 C 10 40 36.70 +08 25 09.5 c 704
2008-04-28 06:55:19 C 10 40 35.95 +08 25 06.8 c 704
2008-05-02 22:21:53 C 10 35 54.25 +08 02 28.1 r 084
2008-05-02 22:25:06 C 10 35 54.13 +08 02 28.1 r 084
2008-05-03 22:11:58 C 10 35 02.45 +07 57 06.0 r 084
2008-05-03 22:15:10 C 10 35 02.39 +07 57 04.2 r 084
2008-05-05 04:44:04 C 10 34 00.56 +07 49 56.7 c 704
2008-05-05 04:59:03 C 10 34 00.07 +07 49 53.2 c 704
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-11-25 18:18:00 332241055.93 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)