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
2024-03-17 11:30:58 C 13 00 04.597 -05 52 28.96 X F51
2024-03-17 11:36:38 C 13 00 04.099 -05 52 29.06 V T08
2024-03-17 11:50:50 C 13 00 02.861 -05 52 29.87 X F51
2024-03-17 12:10:45 C 13 00 01.149 -05 52 30.37 X F51
2024-03-17 12:30:39 C 12 59 59.388 -05 52 31.59 X F51
2024-03-18 03:30:04 C 12 58 42.955 -05 53 01.43 V W68
2024-03-18 03:33:26 C 12 58 42.653 -05 53 01.61 V W68
2024-03-18 03:38:03 C 12 58 42.271 -05 53 01.90 V W68
2024-03-18 03:45:58 C 12 58 41.568 -05 53 02.33 V W68
2024-03-19 10:50:29 C 12 55 56.856 -05 54 21.92 V T05
2024-03-19 10:53:06 C 12 55 56.609 -05 54 22.10 V T05
2024-03-19 10:57:39 C 12 55 56.186 -05 54 22.21 V T05
2024-03-19 11:04:31 C 12 55 55.114 -05 54 23.83 V 703
2024-03-19 11:05:28 C 12 55 55.464 -05 54 22.54 V T05
2024-03-19 11:07:46 C 12 55 54.808 -05 54 24.01 V 703
2024-03-19 11:11:01 C 12 55 54.512 -05 54 24.26 V 703
2024-03-19 11:14:17 C 12 55 54.221 -05 54 24.19 V 703
2024-03-19 20:42:36 C 12 55 03.487 -05 54 32.90 V M22
2024-03-19 20:45:12 C 12 55 03.259 -05 54 32.90 V M22
2024-03-19 20:49:48 C 12 55 02.815 -05 54 33.16 V M22
2024-03-19 20:59:03 C 12 55 01.973 -05 54 33.52 V M22
2024-03-20 08:49:14 C 12 53 56.292 -05 55 07.46 V 703
2024-03-20 08:52:29 C 12 53 55.950 -05 55 07.36 V 703
2024-03-20 08:55:44 C 12 53 55.669 -05 55 07.57 V 703
2024-03-20 08:59:00 C 12 53 55.367 -05 55 07.10 V 703
2024-03-21 04:50:19 C 12 52 04.296 -05 55 41.30 V 703
2024-03-21 04:53:34 C 12 52 03.983 -05 55 40.66 V 703
2024-03-21 04:56:50 C 12 52 03.677 -05 55 41.12 V 703
2024-03-21 05:00:06 C 12 52 03.335 -05 55 41.48 V 703
2024-03-21 09:53:27 C 12 51 35.222 -05 55 47.53 V T08
2024-03-21 10:27:59 C 12 51 31.824 -05 55 48.50 V T08
2024-03-21 10:32:38 C 12 51 31.375 -05 55 48.68 V T08
2024-03-21 11:03:46 C 12 51 28.308 -05 55 49.37 V T08
2024-03-22 03:26:16 C 12 49 53.834 -05 56 04.02 V W68
2024-03-22 03:28:52 C 12 49 53.578 -05 56 04.16 V W68
2024-03-22 03:34:08 C 12 49 53.057 -05 56 04.31 V W68
2024-03-22 04:02:38 C 12 49 50.218 -05 56 04.96 V W68
2024-03-22 06:31:21 C 12 49 35.720 -05 56 18.82 V 703
2024-03-22 06:34:15 C 12 49 35.418 -05 56 18.92 V 703
2024-03-22 06:37:09 C 12 49 35.144 -05 56 19.00 V 703
2024-03-22 06:40:03 C 12 49 34.846 -05 56 19.14 V 703
2024-03-29 05:53:42 C 12 31 46.793 -05 57 00.40 V W68
2024-03-29 05:58:17 C 12 31 46.246 -05 57 00.32 V W68
2024-03-29 06:06:08 C 12 31 45.334 -05 57 00.25 V W68
2024-03-29 06:28:01 C 12 31 42.766 -05 57 00.00 V W68
2024-03-30 03:20:26 C 12 29 18.60 -05 56 43.4 834
2024-03-30 03:52:31 C 12 29 14.80 -05 56 42.8 834
2024-03-30 09:56:38 C 12 28 31.998 -05 56 49.38 V 703
2024-03-30 09:59:55 C 12 28 31.631 -05 56 49.96 V 703
2024-03-30 10:03:13 C 12 28 31.228 -05 56 49.09 V 703
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)