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
2025-02-09 10:45:27 C 08 14 25.027 +55 42 01.37 V T05
2025-02-10 20:57:57 B 08 10 41.110 +55 23 19.82 q J51
2025-02-10 21:22:34 B 08 10 38.426 +55 23 06.00 q J51
2025-02-10 21:44:59 B 08 10 36.048 +55 22 53.98 q J51
2025-02-11 18:27:16 C 08 08 26.26 +55 11 05.7 X G02
2025-02-11 18:34:21 C 08 08 25.56 +55 11 02.0 X G02
2025-02-11 18:41:10 C 08 08 24.80 +55 10 57.9 X G02
2025-02-12 09:41:51 C 08 06 53.183 +55 02 19.00 X F51
2025-02-12 09:56:13 C 08 06 51.698 +55 02 10.52 X F51
2025-02-12 10:25:09 C 08 06 48.719 +55 01 53.32 X F51
2025-02-12 10:44:41 C 08 06 46.711 +55 01 41.71 X F52
2025-02-12 11:02:25 C 08 06 44.890 +55 01 31.09 X F52
2025-02-12 11:20:09 C 08 06 43.079 +55 01 20.44 X F52
2025-02-12 21:37:26 B 08 05 42.986 +54 55 14.84 q J51
2025-02-12 21:47:45 B 08 05 41.990 +54 55 09.37 q J51
2025-02-12 21:58:20 B 08 05 40.978 +54 55 03.40 q J51
2025-02-13 09:55:48 C 08 04 31.150 +54 47 55.18 V T05
2025-02-13 10:00:25 C 08 04 30.701 +54 47 52.30 V T05
2025-02-13 10:09:41 C 08 04 29.851 +54 47 46.46 V T05
2025-02-13 10:24:06 C 08 04 28.366 +54 47 37.82 V T05
2025-02-15 08:07:47 C 08 00 18.323 +54 19 28.84 X F51
2025-02-15 08:27:42 C 08 00 16.520 +54 19 16.38 X F51
2025-02-15 08:47:34 C 08 00 14.720 +54 19 03.89 X F51
2025-02-15 11:22:22 C 08 00 00.792 +54 17 25.12 V T08
2025-02-15 11:28:22 C 08 00 00.286 +54 17 21.12 V T08
2025-02-15 11:34:25 C 07 59 59.719 +54 17 16.76 V T08
2025-02-15 11:35:44 C 07 59 59.614 +54 17 16.08 V T08
2025-02-15 11:39:02 C 07 59 59.400 +54 17 14.06 V T08
2025-02-15 11:48:56 C 07 59 58.442 +54 17 08.59 V T08
2025-02-15 11:55:37 C 07 59 57.842 +54 17 04.06 V T08
2025-02-15 12:04:16 C 07 59 57.053 +54 16 58.33 V T08
2025-02-15 18:06:07 B 07 59 27.026 +54 13 07.14 V 160
2025-02-15 18:17:16 B 07 59 26.002 +54 13 00.41 V 160
2025-02-16 07:22:11 C 07 58 19.670 +54 04 44.19 X F52
2025-02-16 07:42:44 C 07 58 17.896 +54 04 31.16 X F52
2025-02-16 07:50:51 C 07 58 17.195 +54 04 26.02 X F51
2025-02-16 08:03:17 C 07 58 16.116 +54 04 18.07 X F52
2025-02-16 08:11:55 C 07 58 15.375 +54 04 12.60 X F51
2025-02-16 08:23:44 C 07 58 14.357 +54 04 05.02 X F52
2025-02-16 08:32:56 C 07 58 13.562 +54 03 59.18 X F51
2025-02-16 20:17:52 B 07 57 16.061 +53 56 22.06 V L65
2025-02-16 20:23:37 B 07 57 15.506 +53 56 18.17 V L65
2025-02-16 20:29:21 B 07 57 15.000 +53 56 14.75 V L65
2025-02-17 09:42:05 C 07 56 11.465 +53 47 43.94 V T05
2025-02-17 09:46:07 C 07 56 11.110 +53 47 41.10 V T05
2025-02-17 09:56:37 C 07 56 10.253 +53 47 34.19 V T05
2025-02-17 10:12:43 C 07 56 08.983 +53 47 23.60 V T05
2025-02-19 08:40:20 C 07 52 41.450 +53 16 41.88 V T08
2025-02-19 08:45:41 C 07 52 41.083 +53 16 38.60 V T08
2025-02-19 08:54:17 C 07 52 40.416 +53 16 32.70 V T08
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)