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
2015-02-26 05:41:25 C 12 13 36.14 +11 53 56.0 R G45
2015-02-26 05:47:29 C 12 13 35.73 +11 53 57.5 R G45
2015-02-26 05:53:27 C 12 13 35.28 +11 53 59.2 R G45
2015-02-26 09:38:42 C 12 13 20.17 +11 55 01.8 R G45
2015-02-26 09:44:46 C 12 13 19.79 +11 55 03.7 R G45
2015-02-26 09:54:19 C 12 13 19.12 +11 55 05.8 R G45
2015-02-26 10:00:12 C 12 13 18.78 +11 55 08.1 R G45
2015-02-27 10:21:15 C 12 11 41.38 +12 01 54.2 q 703
2015-02-27 10:27:02 C 12 11 41.04 +12 01 55.7 q 703
2015-02-27 10:32:47 C 12 11 40.63 +12 01 57.3 q 703
2015-02-27 10:38:34 C 12 11 40.21 +12 01 58.5 q 703
2015-03-08 01:40:46 C 11 56 17.85 +12 58 44.2 q 160
2015-03-08 01:45:36 C 11 56 17.40 +12 58 43.9 q 160
2015-03-08 22:46:28 C 11 54 35.91 +13 04 15.4 q 160
2015-03-08 22:49:01 C 11 54 35.70 +13 04 16.0 q 160
2015-03-08 22:51:36 C 11 54 35.47 +13 04 17.2 q 160
2015-03-09 04:51:10 C 11 54 06.28 +13 05 49.9 u H21
2015-03-09 04:53:45 C 11 54 06.07 +13 05 50.8 u H21
2015-03-09 04:56:25 C 11 54 05.82 +13 05 51.4 u H21
2015-03-09 04:59:21 C 11 54 05.61 +13 05 52.1 u H21
2015-03-09 05:02:33 C 11 54 05.35 +13 05 52.8 u H21
2015-03-09 07:27:52 C 11 53 53.21 +13 06 30.9 q H21
2015-03-09 07:32:15 C 11 53 52.82 +13 06 31.7 q H21
2015-03-09 07:36:52 C 11 53 52.45 +13 06 33.2 q H21
2015-03-09 07:41:15 C 11 53 52.08 +13 06 34.4 q H21
2015-03-09 07:45:37 C 11 53 51.72 +13 06 35.3 q H21
2015-03-09 07:50:15 C 11 53 51.33 +13 06 37.0 q H21
2015-03-09 07:54:38 C 11 53 50.97 +13 06 37.7 q H21
2015-03-10 10:29:47 C 11 51 39.49 +13 13 26.0 q 703
2015-03-10 10:35:33 C 11 51 39.03 +13 13 26.9 q 703
2015-03-10 10:41:19 C 11 51 38.53 +13 13 28.6 q 703
2015-03-10 10:47:06 C 11 51 38.07 +13 13 30.1 q 703
2015-03-10 17:09:04 C 11 51 06.54 +13 15 06.6 q D29
2015-03-10 17:27:48 C 11 51 04.97 +13 15 11.1 q D29
2015-03-10 17:46:32 C 11 51 03.36 +13 15 15.8 q D29
2015-03-10 23:54:09 C 11 50 32.83 +13 16 46.6 q 160
2015-03-10 23:56:36 C 11 50 32.63 +13 16 47.2 q 160
2015-03-10 23:59:04 C 11 50 32.41 +13 16 47.9 q 160
2015-03-11 08:50:22 C 11 49 47.89 +13 19 01.2 q G96
2015-03-11 08:59:23 C 11 49 47.11 +13 19 03.5 q G96
2015-03-11 09:08:24 C 11 49 46.35 +13 19 05.6 q G96
2015-03-11 09:17:27 C 11 49 45.57 +13 19 07.8 q G96
2015-03-12 23:27:16 C 11 46 32.15 +13 28 21.3 q 160
2015-03-12 23:29:46 C 11 46 31.93 +13 28 22.1 q 160
2015-03-12 23:32:15 C 11 46 31.73 +13 28 23.0 q 160
2015-03-15 07:00:30 C 11 41 45.34 +13 41 06.4 R G45
2015-03-15 07:16:16 C 11 41 43.98 +13 41 09.8 R G45
2015-03-15 07:22:35 C 11 41 43.40 +13 41 10.9 R G45
2015-03-15 07:25:09 C 11 41 43.14 +13 41 11.1 R G45
2015-03-15 07:31:31 C 11 41 42.61 +13 41 13.0 R G45
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)