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
2009-02-13 03:47:03 C 05 42 17.57 +58 16 31.2 c 704
2009-02-13 04:03:39 C 05 42 18.08 +58 16 14.8 c 704
2009-02-13 04:20:21 C 05 42 18.50 +58 15 57.5 c 704
2009-02-13 04:36:55 C 05 42 18.90 +58 15 40.4 c 704
2009-02-13 04:53:57 C 05 42 19.41 +58 15 23.4 c 704
2009-02-24 22:19:55 C 05 53 39.99 +53 53 41.1 o 510
2009-02-24 22:33:37 C 05 53 40.70 +53 53 29.4 o 510
2009-02-24 22:47:20 C 05 53 41.32 +53 53 17.9 o 510
2009-02-27 20:03:13 C 05 57 08.59 +52 55 40.2 c A24
2009-02-27 20:04:38 C 05 57 08.70 +52 55 38.5 c A24
2009-02-27 20:25:48 C 05 57 09.73 +52 55 21.1 c A24
2009-02-27 21:09:34 C 05 57 11.89 +52 54 44.9 c A24
2009-02-27 21:11:00 C 05 57 11.95 +52 54 44.0 c A24
2009-03-08 03:47:44 C 06 08 05.39 +50 22 11.8 c 704
2009-03-08 04:02:58 C 06 08 06.17 +50 21 59.8 c 704
2009-03-08 04:17:54 C 06 08 07.08 +50 21 51.4 c 704
2009-03-08 04:32:51 C 06 08 07.72 +50 21 38.6 c 704
2009-04-22 03:02:42 C 07 19 00.66 +40 02 13.8 r 703
2009-04-22 03:09:46 C 07 19 01.12 +40 02 10.6 r 703
2009-04-22 03:16:53 C 07 19 01.63 +40 02 06.6 r 703
2009-04-22 03:23:57 C 07 19 02.17 +40 02 03.6 r 703
2009-11-26 12:27:20 C 12 55 11.64 -00 40 57.5 r 703
2009-11-26 12:32:30 C 12 55 11.92 -00 41 02.1 r 703
2009-11-26 12:37:41 C 12 55 12.28 -00 41 03.9 r 703
2009-11-26 12:42:58 C 12 55 12.57 -00 41 06.4 r 703
2009-11-27 12:41:18 C 12 56 37.03 -00 52 39.8 r 703
2009-11-27 12:44:49 C 12 56 37.21 -00 52 41.8 r 703
2009-11-27 12:48:14 C 12 56 37.32 -00 52 43.8 r 703
2009-11-27 12:51:48 C 12 56 37.57 -00 52 43.9 r 703
2010-01-12 11:01:16 C 13 59 31.68 -09 53 07.3 c 704
2010-01-12 11:19:20 C 13 59 32.64 -09 53 15.7 c 704
2010-01-12 11:37:23 C 13 59 33.63 -09 53 25.0 c 704
2010-01-12 11:55:28 C 13 59 34.55 -09 53 35.0 c 704
2010-01-12 12:13:33 C 13 59 35.55 -09 53 43.7 c 704
2010-01-24 01:30:03 C 14 14 26.74 -12 20 06.1 18.2 u C20
2010-01-24 01:34:17 C 14 14 26.99 -12 20 07.7 18.0 u C20
2010-01-25 22:42:13 S 14 16 48.254 -12 44 50.24 L C51
2010-01-25 22:42:24 S 14 16 48.259 -12 44 49.81 L C51
2010-01-26 01:52:56 S 14 16 58.15 -12 46 36.2 L C51
2010-01-26 05:03:27 S 14 17 08.10 -12 48 21.9 L C51
2010-01-26 08:13:58 S 14 17 17.976 -12 50 06.61 L C51
2010-01-26 11:24:40 S 14 17 27.88 -12 51 53.0 L C51
2010-01-26 12:59:50 S 14 17 32.81 -12 52 45.9 L C51
2010-01-26 14:35:11 S 14 17 37.78 -12 53 39.3 L C51
2010-01-26 16:10:32 S 14 17 42.74 -12 54 30.8 L C51
2010-01-26 17:45:42 S 14 17 47.65 -12 55 24.6 L C51
2010-01-26 19:21:03 S 14 17 52.62 -12 56 17.4 L C51
2010-01-26 22:31:34 S 14 18 02.43 -12 58 03.4 L C51
2010-01-27 01:42:05 S 14 18 12.33 -12 59 49.3 L C51
2010-01-27 04:52:47 S 14 18 22.20 -13 01 35.8 L C51
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)