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
2024-02-09 02:08:15 C 13 33 01.342 -03 59 47.94 V M22
2024-02-10 12:24:08 C 13 33 02.659 -04 06 30.38 V T08
2024-02-10 12:26:58 C 13 33 02.638 -04 06 31.10 V T08
2024-02-10 13:09:42 C 13 33 02.527 -04 06 38.99 V T08
2024-02-10 13:16:31 C 13 33 02.520 -04 06 40.64 V T08
2024-02-11 04:28:10 C 13 33 01.738 -04 09 27.58 V W68
2024-02-11 04:30:47 C 13 33 01.730 -04 09 28.33 V W68
2024-02-11 05:13:52 C 13 33 01.615 -04 09 36.47 V W68
2024-02-11 05:39:19 C 13 33 01.555 -04 09 41.58 V W68
2024-02-12 13:33:11 C 13 32 56.105 -04 15 42.73 V T05
2024-02-12 13:35:48 C 13 32 56.071 -04 15 43.70 V T05
2024-02-12 14:12:06 C 13 32 55.879 -04 15 49.79 V T05
2024-02-12 14:20:19 C 13 32 55.822 -04 15 52.06 V T05
2024-02-13 02:15:45 C 13 32 52.783 -04 17 57.01 V M22
2024-02-13 02:23:12 C 13 32 52.730 -04 17 58.06 V M22
2024-02-13 02:44:58 C 13 32 52.577 -04 18 02.52 V M22
2024-02-13 03:04:09 C 13 32 52.459 -04 18 05.90 V M22
2024-02-16 22:03:42 C 13 32 08.882 -04 34 02.60 V M22
2024-02-16 22:07:45 C 13 32 08.815 -04 34 03.25 V M22
2024-02-16 22:15:41 C 13 32 08.765 -04 34 04.48 V M22
2024-02-16 22:45:22 C 13 32 08.369 -04 34 09.70 V M22
2024-02-18 13:41:23 C 13 31 37.762 -04 40 43.32 X F51
2024-02-18 13:58:16 C 13 31 37.484 -04 40 46.08 X F51
2024-02-18 14:15:10 C 13 31 37.208 -04 40 48.83 X F51
2024-02-18 14:32:06 C 13 31 36.928 -04 40 51.55 X F51
2024-02-19 04:29:46 C 13 31 24.614 -04 43 01.56 V W68
2024-02-19 04:57:44 C 13 31 24.209 -04 43 05.63 V W68
2024-02-19 05:00:20 C 13 31 24.158 -04 43 06.13 V W68
2024-02-19 05:04:52 C 13 31 24.060 -04 43 07.21 V W68
2024-02-20 13:52:02 C 13 30 50.153 -04 48 24.34 V T05
2024-02-20 14:31:51 C 13 30 49.346 -04 48 30.46 V T05
2024-02-20 15:09:39 C 13 30 48.583 -04 48 36.43 V T05
2024-02-20 15:46:09 C 13 30 47.844 -04 48 42.08 V T05
2024-02-20 23:58:33 C 13 30 38.897 -04 49 52.10 V M22
2024-02-21 00:01:10 C 13 30 38.894 -04 49 52.75 V M22
2024-02-21 00:05:47 C 13 30 38.779 -04 49 53.51 V M22
2024-02-21 00:23:47 C 13 30 38.412 -04 49 55.63 V M22
2024-02-23 05:52:21 C 13 29 29.153 -04 57 58.57 V W68
2024-02-23 06:03:42 C 13 29 28.877 -04 57 59.87 V W68
2024-02-23 06:06:18 C 13 29 28.807 -04 58 00.19 V W68
2024-02-23 06:16:44 C 13 29 28.500 -04 58 01.49 V W68
2024-03-05 17:12:40 B 13 19 14.59 -05 32 04.2 Z O53
2024-03-05 17:34:41 B 13 19 13.42 -05 32 06.4 Z O53
2024-03-05 17:57:14 B 13 19 12.22 -05 32 08.7 Z O53
2024-03-06 17:04:47 B 13 17 58.89 -05 34 23.4 Z O53
2024-03-06 17:20:01 B 13 17 58.03 -05 34 24.8 Z O53
2024-03-06 17:34:40 B 13 17 57.20 -05 34 26.3 Z O53
2024-03-07 17:19:23 B 13 16 37.99 -05 36 38.1 Z O53
2024-03-07 17:34:50 B 13 16 37.08 -05 36 39.7 Z O53
2024-03-07 17:49:48 B 13 16 36.19 -05 36 41.2 Z O53
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)