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
2017-03-15 08:01:44 C 13 54 15.02 -16 16 00.0 u H21
2017-03-15 08:04:15 C 13 54 14.89 -16 16 01.4 u H21
2017-03-15 08:06:46 C 13 54 14.76 -16 16 02.7 u H21
2017-03-15 08:09:17 C 13 54 14.62 -16 16 04.2 u H21
2017-03-15 08:11:47 C 13 54 14.49 -16 16 05.5 u H21
2017-03-15 08:14:18 C 13 54 14.37 -16 16 07.0 u H21
2017-03-15 08:17:34 C 13 54 14.19 -16 16 08.7 u H21
2017-03-19 10:33:27 C 13 48 39.59 -17 11 13.3 q 703
2017-03-19 10:40:41 C 13 48 39.08 -17 11 17.6 q 703
2017-03-19 10:47:55 C 13 48 38.60 -17 11 21.6 q 703
2017-03-19 10:55:09 C 13 48 38.11 -17 11 25.8 q 703
2017-03-19 11:29:29 C 13 48 36.342 -17 11 43.93 L F51
2017-03-19 11:43:27 C 13 48 35.397 -17 11 52.01 L F51
2017-03-19 12:11:21 C 13 48 33.504 -17 12 08.08 L F51
2017-03-19 13:19:37 C 13 48 28.85 -17 12 47.0 L T05
2017-03-19 13:40:37 C 13 48 27.42 -17 12 59.2 L T05
2017-03-19 14:00:59 C 13 48 26.05 -17 13 10.7 L T05
2017-03-19 14:21:09 C 13 48 24.67 -17 13 22.2 L T05
2017-03-20 14:10:59 C 13 46 49.04 -17 27 08.0 L T08
2017-03-20 14:31:47 C 13 46 47.55 -17 27 19.7 L T08
2017-03-20 14:52:49 C 13 46 46.03 -17 27 32.1 L T08
2017-03-20 15:14:06 C 13 46 44.51 -17 27 44.2 L T08
2017-03-23 13:11:55 C 13 41 29.78 -18 08 58.3 L T05
2017-03-23 13:34:31 C 13 41 27.87 -18 09 11.8 L T05
2017-03-23 13:57:57 C 13 41 25.89 -18 09 25.7 L T05
2017-03-23 14:21:22 C 13 41 23.93 -18 09 39.5 L T05
2017-03-27 12:18:20 C 13 32 55.625 -19 06 37.64 L F51
2017-03-27 12:28:50 C 13 32 54.53 -19 06 44.1 L T05
2017-03-27 12:32:44 C 13 32 54.138 -19 06 46.41 L F51
2017-03-27 12:47:08 C 13 32 52.659 -19 06 55.17 L F51
2017-03-27 12:48:48 C 13 32 52.47 -19 06 56.4 L T05
2017-03-27 12:51:06 C 13 32 52.24 -19 06 57.8 L T05
2017-03-27 13:01:31 C 13 32 51.174 -19 07 03.93 L F51
2017-03-27 13:11:40 C 13 32 50.12 -19 07 10.3 L T05
2017-03-27 13:14:00 C 13 32 49.88 -19 07 11.7 L T05
2017-03-27 13:33:53 C 13 32 47.85 -19 07 23.9 L T05
2017-03-27 13:36:57 C 13 32 47.51 -19 07 25.6 L T05
2017-03-27 13:56:53 C 13 32 45.47 -19 07 37.7 L T05
2017-03-30 13:04:37 C 13 25 09.68 -19 51 34.5 L T08
2017-03-30 13:25:55 C 13 25 07.17 -19 51 47.3 L T08
2017-03-30 13:47:09 C 13 25 04.68 -19 52 00.4 L T08
2017-03-30 14:07:35 C 13 25 02.28 -19 52 12.6 L T08
2017-03-31 00:38:15 C 13 23 50.44 -19 58 46.0 o Z22
2017-03-31 00:50:21 C 13 23 48.96 -19 58 54.4 o Z22
2017-03-31 01:02:21 C 13 23 47.51 -19 59 01.8 o Z22
2017-03-31 01:06:25 C 13 23 47.03 -19 59 04.4 o Z22
2017-04-03 08:04:59 C 13 13 53.42 -20 47 46.7 r Y00
2017-04-03 08:07:22 C 13 13 53.14 -20 47 48.4 r Y00
2017-04-03 08:10:19 C 13 13 52.65 -20 47 50.9 r Y00
2017-04-08 11:24:10 C 12 55 46.74 -22 02 26.0 L T05
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)