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
2022-02-08 08:20:32 C 12 15 39.86 +14 53 27.1 V 703
2022-02-08 12:12:50 C 12 15 30.11 +14 54 34.0 V T08
2022-02-08 12:15:29 C 12 15 30.01 +14 54 35.6 V T08
2022-02-08 12:21:28 C 12 15 29.73 +14 54 37.1 V T08
2022-02-08 12:36:46 C 12 15 29.07 +14 54 41.6 V T08
2022-02-09 11:02:30 C 12 14 31.740 +15 01 08.23 U F52
2022-02-09 11:19:12 C 12 14 30.992 +15 01 13.08 U F52
2022-02-09 11:36:51 C 12 14 30.198 +15 01 18.24 U F52
2022-02-09 11:53:28 C 12 14 29.444 +15 01 23.11 U F52
2022-02-10 11:09:58 C 12 13 27.31 +15 08 11.4 V T08
2022-02-10 11:12:37 C 12 13 27.21 +15 08 12.3 V T08
2022-02-10 11:17:16 C 12 13 26.98 +15 08 13.8 V T08
2022-02-10 11:29:57 C 12 13 26.40 +15 08 17.1 V T08
2022-02-10 11:44:27 C 12 13 25.72 +15 08 21.4 V T05
2022-02-10 11:54:06 C 12 13 25.27 +15 08 24.3 V T05
2022-02-10 11:56:44 C 12 13 25.16 +15 08 25.1 V T05
2022-02-10 12:10:08 C 12 13 24.50 +15 08 29.1 V T05
2022-02-11 10:18:40 C 12 12 22.82 +15 15 01.9 V 703
2022-02-11 10:26:20 C 12 12 22.46 +15 15 04.4 V 703
2022-02-11 10:34:01 C 12 12 22.08 +15 15 06.6 V 703
2022-02-11 10:41:41 C 12 12 21.70 +15 15 09.0 V 703
2022-02-11 12:45:15 C 12 12 15.94 +15 15 46.9 V T05
2022-02-11 12:47:54 C 12 12 15.83 +15 15 48.0 V T05
2022-02-11 13:02:07 C 12 12 15.12 +15 15 52.1 V T05
2022-02-11 13:13:16 C 12 12 14.58 +15 15 55.4 V T05
2022-02-12 10:06:33 C 12 11 14.44 +15 22 12.3 V T05
2022-02-12 10:09:11 C 12 11 14.31 +15 22 13.1 V T05
2022-02-12 10:13:47 C 12 11 14.08 +15 22 14.4 V T05
2022-02-12 10:37:36 C 12 11 12.88 +15 22 21.5 V T05
2022-02-12 10:38:55 C 12 11 12.83 +15 22 21.7 V T05
2022-02-12 10:42:13 C 12 11 12.64 +15 22 22.8 V T05
2022-02-12 11:53:40 C 12 11 09.02 +15 22 44.9 V T08
2022-02-12 11:56:19 C 12 11 08.88 +15 22 45.7 V T08
2022-02-12 12:04:00 C 12 11 08.49 +15 22 48.1 V T08
2022-02-12 12:18:07 C 12 11 07.78 +15 22 52.2 V T08
2022-02-14 07:08:41 C 12 08 57.35 +15 35 57.1 V 703
2022-02-14 07:16:18 C 12 08 56.94 +15 35 59.3 V 703
2022-02-14 07:23:55 C 12 08 56.50 +15 36 01.8 V 703
2022-02-14 07:31:32 C 12 08 56.10 +15 36 04.4 V 703
2022-02-14 10:38:30 C 12 08 46.31 +15 37 03.1 V T08
2022-02-14 10:43:09 C 12 08 46.03 +15 37 04.3 V T08
2022-02-14 11:05:35 C 12 08 44.80 +15 37 11.5 V T08
2022-02-14 11:09:37 C 12 08 44.60 +15 37 12.9 V T08
2022-02-14 13:54:42 C 12 08 35.60 +15 38 03.9 V T05
2022-02-14 14:00:01 C 12 08 35.30 +15 38 05.7 V T05
2022-02-14 14:07:46 C 12 08 34.90 +15 38 08.2 V T05
2022-02-14 14:54:02 C 12 08 32.37 +15 38 21.9 V T05
2022-02-21 07:31:44 C 11 59 04.505 +16 29 07.40 V W68
2022-02-21 07:36:25 C 11 59 04.202 +16 29 09.42 V W68
2022-02-21 07:45:41 C 11 59 03.617 +16 29 12.77 V W68
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)