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
2024-03-08 00:05:45 C 13 16 14.467 -05 37 07.64 V M22
2024-03-08 00:08:24 C 13 16 14.306 -05 37 07.97 V M22
2024-03-08 00:12:59 C 13 16 14.033 -05 37 08.36 V M22
2024-03-08 02:32:55 B 13 16 06.34 -05 37 21.9 V X18
2024-03-08 02:33:45 B 13 16 06.29 -05 37 22.2 V X18
2024-03-08 02:34:35 B 13 16 06.23 -05 37 22.2 V X18
2024-03-08 04:10:13 B 13 16 00.53 -05 37 30.8 V X18
2024-03-08 04:11:03 B 13 16 00.49 -05 37 30.9 V X18
2024-03-08 04:11:53 B 13 16 00.42 -05 37 30.9 V X18
2024-03-08 05:59:06 B 13 15 53.96 -05 37 40.5 V X18
2024-03-08 05:59:56 B 13 15 53.91 -05 37 40.9 V X18
2024-03-08 06:00:46 B 13 15 53.87 -05 37 40.9 V X18
2024-03-10 02:57:16 B 13 13 09.63 -05 41 25.6 V X18
2024-03-10 02:58:06 B 13 13 09.58 -05 41 25.9 V X18
2024-03-10 02:58:56 B 13 13 09.51 -05 41 25.9 V X18
2024-03-10 04:37:48 C 13 13 03.072 -05 41 32.57 V W68
2024-03-10 05:11:36 C 13 13 00.838 -05 41 35.09 V W68
2024-03-10 05:15:38 C 13 13 00.586 -05 41 35.66 V W68
2024-03-11 03:14:43 B 13 11 34.79 -05 43 18.1 V X18
2024-03-11 03:15:33 B 13 11 34.73 -05 43 18.0 V X18
2024-03-11 03:16:23 B 13 11 34.67 -05 43 18.0 V X18
2024-03-11 11:10:59 C 13 11 02.267 -05 44 00.56 V 703
2024-03-11 11:14:18 C 13 11 02.004 -05 44 01.32 V 703
2024-03-11 11:17:36 C 13 11 01.741 -05 44 01.82 V 703
2024-03-11 11:20:55 C 13 11 01.475 -05 44 02.11 V 703
2024-03-11 21:55:43 C 13 10 18.917 -05 44 37.93 V M22
2024-03-11 21:59:47 C 13 10 18.626 -05 44 38.26 V M22
2024-03-11 22:50:40 C 13 10 15.036 -05 44 41.89 V M22
2024-03-11 23:10:55 C 13 10 13.586 -05 44 43.37 V M22
2024-03-13 09:48:05 C 13 07 46.074 -05 47 12.66 V 703
2024-03-13 09:51:23 C 13 07 45.822 -05 47 12.98 V 703
2024-03-13 09:54:43 C 13 07 45.570 -05 47 13.27 V 703
2024-03-13 09:58:01 C 13 07 45.322 -05 47 13.31 V 703
2024-03-14 01:10:29 B 13 06 38.119 -05 48 11.05 X J57
2024-03-14 02:31:55 B 13 06 31.850 -05 48 16.09 X J57
2024-03-14 03:50:44 B 13 06 25.781 -05 48 20.81 X J57
2024-03-14 05:41:58 C 13 06 17.779 -05 48 17.14 V W68
2024-03-14 06:18:19 C 13 06 14.954 -05 48 19.30 V W68
2024-03-14 06:58:52 C 13 06 11.791 -05 48 21.60 V W68
2024-03-14 07:05:26 C 13 06 11.292 -05 48 21.92 V W68
2024-03-14 23:45:31 B 13 04 55.154 -05 49 30.50 Z J57
2024-03-15 01:35:55 B 13 04 46.363 -05 49 36.77 Z J57
2024-03-15 03:27:51 B 13 04 37.433 -05 49 42.85 Z J57
2024-03-15 23:11:12 C 13 03 04.238 -05 50 35.34 V M22
2024-03-15 23:15:12 C 13 03 03.900 -05 50 35.66 V M22
2024-03-15 23:22:32 C 13 03 03.295 -05 50 36.02 V M22
2024-03-15 23:57:39 C 13 03 00.394 -05 50 37.82 V M22
2024-03-17 10:48:16 C 13 00 08.316 -05 52 26.83 V T08
2024-03-17 10:50:56 C 13 00 08.086 -05 52 27.01 V T08
2024-03-17 10:55:00 C 13 00 07.730 -05 52 27.12 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)