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
2022-02-27 07:54:42 C 11 49 03.80 +17 14 12.7 V G96
2022-02-27 08:02:09 C 11 49 03.23 +17 14 15.0 V G96
2022-02-27 08:08:28 C 11 49 02.76 +17 14 17.1 V 703
2022-02-27 08:16:08 C 11 49 02.20 +17 14 19.1 V 703
2022-02-27 08:23:47 C 11 49 01.60 +17 14 21.6 V 703
2022-02-28 09:58:50 C 11 47 07.41 +17 22 06.8 V T08
2022-02-28 10:01:35 C 11 47 07.20 +17 22 08.0 V T08
2022-02-28 10:06:11 C 11 47 06.86 +17 22 09.0 V T08
2022-02-28 10:23:10 C 11 47 05.54 +17 22 14.4 V T08
2022-02-28 10:29:47 C 11 47 05.03 +17 22 16.2 V T05
2022-02-28 10:35:17 C 11 47 04.63 +17 22 18.2 V T05
2022-02-28 10:39:14 C 11 47 04.33 +17 22 19.0 V T05
2022-02-28 11:11:03 C 11 47 01.86 +17 22 28.4 V T05
2022-02-28 15:01:21 C 11 46 44.729 +17 23 41.82 V P07
2022-02-28 16:06:04 C 11 46 39.770 +17 24 01.66 V P07
2022-02-28 17:15:41 C 11 46 34.354 +17 24 22.32 V P07
2022-02-28 18:26:16 C 11 46 28.906 +17 24 43.52 V P07
2022-03-01 03:13:51 S 11 46 02.479 +17 27 37.66 V C57
2022-03-01 03:13:51 s 1 +193703.64 4 +173654.65 1970.0 C57
2022-03-01 03:23:51 S 11 46 01.942 +17 27 40.93 V C57
2022-03-01 03:23:51 s 1 +193613.50 5 +174336.73 3180.0 C57
2022-03-01 03:43:51 S 11 46 00.257 +17 27 48.17 V C57
2022-03-01 03:43:51 s 1 +193429.12 9 +175697.18 8730.0 C57
2022-03-01 03:53:51 S 11 45 59.335 +17 27 50.18 V C57
2022-03-01 03:53:51 s 1 +193334.87 1 +176375.52 2980.0 C57
2022-03-01 11:13:51 S 11 45 28.409 +17 29 57.30 V C57
2022-03-01 11:13:51 s 1 +187919.03 8 +204991.23 7370.0 C57
2022-03-01 11:43:51 S 11 45 26.090 +17 30 06.44 V C57
2022-03-01 11:43:51 s 1 +187465.29 0 +206854.83 2220.0 C57
2022-03-01 11:45:44 C 11 45 09.90 +17 29 47.1 V T08
2022-03-01 11:53:38 C 11 45 09.28 +17 29 49.6 V T08
2022-03-01 12:39:03 C 11 45 05.72 +17 30 02.7 V T08
2022-03-01 12:43:40 C 11 45 05.37 +17 30 04.4 V T08
2022-03-01 18:13:51 S 11 44 58.046 +17 31 55.49 V C57
2022-03-01 18:13:51 s 1 +180694.61 1 +230074.30 5150.0 C57
2022-03-01 18:43:51 S 11 44 55.469 +17 32 09.82 V C57
2022-03-01 18:43:51 s 1 +180110.65 5 +231783.38 7370.0 C57
2022-03-01 19:53:51 S 11 44 50.734 +17 32 31.34 V C57
2022-03-01 19:53:51 s 1 +178715.24 4 +235728.72 8730.0 C57
2022-03-01 23:33:51 S 11 44 34.654 +17 33 35.35 V C57
2022-03-01 23:33:51 s 1 +174042.64 8 +247743.02 6450.0 C57
2022-03-01 23:53:51 S 11 44 33.050 +17 33 35.39 V C57
2022-03-01 23:53:51 s 1 +173597.11 8 +248806.36 9120.0 C57
2022-03-02 00:03:51 S 11 44 32.503 +17 33 37.62 V C57
2022-03-02 00:03:51 s 1 +173373.11 2 +249336.26 590.0 C57
2022-03-02 02:43:51 S 11 44 20.738 +17 34 27.23 V C57
2022-03-02 02:43:51 s 1 +169677.88 5 +257652.07 9680.0 C57
2022-03-02 03:13:51 S 11 44 18.490 +17 34 35.29 V C57
2022-03-02 03:13:51 s 1 +168962.36 4 +259177.39 4320.0 C57
2022-03-02 03:33:51 S 11 44 16.973 +17 34 41.52 V C57
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)