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
2025-01-02 12:06:03 C 10 26 08.407 +54 09 56.88 V T08
2025-01-02 21:27:06 C 10 25 06.247 +54 16 32.30 Z C23
2025-01-02 21:29:17 C 10 25 06.065 +54 16 33.67 Z C23
2025-01-03 08:55:40 C 10 23 48.311 +54 24 47.30 V 703
2025-01-03 08:58:51 C 10 23 47.965 +54 24 49.50 V 703
2025-01-03 09:02:01 C 10 23 47.580 +54 24 51.80 V 703
2025-01-03 09:05:11 C 10 23 47.198 +54 24 54.07 V 703
2025-01-04 11:37:40 C 10 20 41.834 +54 43 20.39 V T05
2025-01-04 12:07:33 C 10 20 38.138 +54 43 41.20 V T05
2025-01-04 12:16:45 C 10 20 37.027 +54 43 47.35 V T05
2025-01-04 12:21:22 C 10 20 36.473 +54 43 50.70 V T05
2025-01-05 09:24:38 C 10 18 03.524 +54 57 57.71 V 703
2025-01-05 09:27:48 C 10 18 03.164 +54 57 59.65 V 703
2025-01-05 09:30:59 C 10 18 02.725 +54 58 02.14 V 703
2025-01-05 09:34:09 C 10 18 02.340 +54 58 04.08 V 703
2025-01-06 12:27:22 C 10 14 40.284 +55 15 31.00 V T08
2025-01-06 12:30:02 C 10 14 39.924 +55 15 32.83 V T08
2025-01-06 12:35:27 C 10 14 39.214 +55 15 36.18 V T08
2025-01-06 12:42:52 C 10 14 38.237 +55 15 41.04 V T08
2025-01-07 13:11:26 C 10 11 27.548 +55 30 51.78 X F52
2025-01-07 13:29:56 C 10 11 25.037 +55 31 03.03 X F52
2025-01-07 13:48:36 C 10 11 22.490 +55 31 14.31 X F52
2025-01-07 14:07:20 C 10 11 19.942 +55 31 25.55 X F52
2025-01-07 23:38:31 C 10 10 04.764 +55 37 02.71 Z C23
2025-01-07 23:41:59 C 10 10 04.284 +55 37 05.30 Z C23
2025-01-07 23:51:29 C 10 10 03.034 +55 37 10.56 Z C23
2025-01-08 12:10:05 C 10 08 23.467 +55 44 29.65 V T05
2025-01-08 12:12:42 C 10 08 23.102 +55 44 31.16 V T05
2025-01-08 12:16:38 C 10 08 22.538 +55 44 33.47 V T05
2025-01-08 12:24:01 C 10 08 21.514 +55 44 37.75 V T05
2025-01-10 11:27:29 C 10 01 48.571 +56 10 30.94 V T08
2025-01-10 11:31:38 C 10 01 47.971 +56 10 32.92 V T08
2025-01-10 11:39:05 C 10 01 46.867 +56 10 37.13 V T08
2025-01-10 11:47:41 C 10 01 45.600 +56 10 41.34 V T08
2025-01-10 13:23:15 C 10 01 32.49 +56 11 24.2 V D29
2025-01-10 13:45:47 C 10 01 29.25 +56 11 36.4 V D29
2025-01-10 14:08:20 C 10 01 25.99 +56 11 48.7 V D29
2025-01-11 21:23:43 C 09 56 53.383 +56 27 15.80 Z D66
2025-01-11 21:28:54 C 09 56 52.606 +56 27 18.68 Z D66
2025-01-11 21:34:14 C 09 56 51.833 +56 27 21.06 Z D66
2025-01-12 13:04:51 C 09 54 32.921 +56 34 37.13 V T05
2025-01-12 13:09:29 C 09 54 32.249 +56 34 39.25 V T05
2025-01-12 13:59:59 C 09 54 24.470 +56 35 01.86 V T05
2025-01-12 14:11:15 C 09 54 22.769 +56 35 06.65 V T05
2025-01-16 11:04:29 C 09 40 02.138 +57 10 17.04 V T05
2025-01-16 11:07:06 C 09 40 01.711 +57 10 17.58 V T05
2025-01-16 11:11:44 C 09 40 00.960 +57 10 19.24 V T05
2025-01-16 11:19:36 C 09 39 59.674 +57 10 21.65 V T05
2025-01-16 22:53:35 C 09 38 09.367 +57 13 43.36 X D77
2025-01-16 23:11:02 C 09 38 06.478 +57 13 48.72 X D77
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)