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
2022-02-21 08:35:46 C 11 59 00.235 +16 29 28.18 V W68
2022-02-21 10:52:44 C 11 58 51.70 +16 30 06.7 V T08
2022-02-21 10:58:34 C 11 58 51.32 +16 30 08.6 V T08
2022-02-21 11:06:35 C 11 58 50.79 +16 30 11.1 V T08
2022-02-21 11:21:11 C 11 58 49.80 +16 30 15.5 V T08
2022-02-22 12:51:20 C 11 57 08.96 +16 38 21.4 V T05
2022-02-22 12:56:05 C 11 57 08.64 +16 38 22.8 V T05
2022-02-22 13:03:36 C 11 57 08.10 +16 38 25.4 V T05
2022-02-22 13:18:06 C 11 57 07.13 +16 38 29.8 V T05
2022-02-22 13:22:13 C 11 57 06.83 +16 38 31.2 V T08
2022-02-22 13:28:11 C 11 57 06.46 +16 38 32.7 V T08
2022-02-22 13:35:52 C 11 57 05.92 +16 38 35.3 V T05
2022-02-22 13:45:06 C 11 57 05.28 +16 38 38.3 V T05
2022-02-22 13:51:02 C 11 57 04.88 +16 38 40.1 V T05
2022-02-22 14:05:18 C 11 57 03.90 +16 38 44.7 V T08
2022-02-22 14:24:47 C 11 57 02.58 +16 38 50.7 V T05
2022-02-22 14:43:09 C 11 57 01.34 +16 38 57.2 V T08
2022-02-23 10:43:33 C 11 55 40.78 +16 45 16.1 V T05
2022-02-23 10:46:11 C 11 55 40.61 +16 45 16.8 V T05
2022-02-23 10:50:08 C 11 55 40.33 +16 45 18.3 V T05
2022-02-23 10:57:24 C 11 55 39.82 +16 45 20.3 V T05
2022-02-24 00:47:43 C 11 54 42.77 +16 49 39.4 V 130
2022-02-24 00:49:52 C 11 54 42.63 +16 49 40.1 V 130
2022-02-24 00:52:43 C 11 54 42.39 +16 49 41.1 V 130
2022-02-24 00:55:35 C 11 54 42.20 +16 49 41.9 V 130
2022-02-24 13:24:39 C 11 53 50.07 +16 53 39.5 V T08
2022-02-24 13:30:36 C 11 53 49.66 +16 53 41.5 V T08
2022-02-24 13:39:47 C 11 53 48.99 +16 53 44.3 V T08
2022-02-24 13:54:32 C 11 53 47.96 +16 53 49.1 V T08
2022-02-25 05:03:28 C 11 52 44.386 +16 58 38.14 V W68
2022-02-25 05:08:47 C 11 52 43.987 +16 58 40.04 V W68
2022-02-25 05:15:58 C 11 52 43.478 +16 58 42.31 V W68
2022-02-25 05:59:15 C 11 52 40.330 +16 58 55.63 V W68
2022-02-25 09:42:28 C 11 52 24.706 +16 59 59.71 U F52
2022-02-25 10:01:36 C 11 52 23.319 +17 00 05.75 U F52
2022-02-25 10:20:47 C 11 52 21.918 +17 00 11.80 U F52
2022-02-25 10:55:54 C 11 52 19.36 +17 00 23.1 V T08
2022-02-25 10:58:32 C 11 52 19.17 +17 00 23.8 V T08
2022-02-25 11:44:33 C 11 52 15.81 +17 00 38.3 V T08
2022-02-25 12:12:28 C 11 52 13.77 +17 00 46.8 V T08
2022-02-26 09:42:01 C 11 50 41.38 +17 07 25.5 V T08
2022-02-26 10:19:38 C 11 50 38.60 +17 07 37.3 V T05
2022-02-26 10:27:38 C 11 50 38.01 +17 07 39.6 V T08
2022-02-26 10:32:36 C 11 50 37.63 +17 07 41.3 V T08
2022-02-26 10:45:12 C 11 50 36.71 +17 07 45.2 V T08
2022-02-26 11:01:10 C 11 50 35.52 +17 07 50.2 V T05
2022-02-26 11:03:48 C 11 50 35.33 +17 07 51.0 V T05
2022-02-26 11:07:50 C 11 50 35.02 +17 07 52.1 V T05
2022-02-27 07:39:40 C 11 49 04.92 +17 14 08.0 V G96
2022-02-27 07:47:08 C 11 49 04.36 +17 14 10.5 V G96
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)