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
2025-03-02 08:46:22 C 07 39 26.935 +50 13 20.06 V T08
2025-03-02 09:08:58 C 07 39 26.177 +50 13 03.83 V T08
2025-03-02 09:17:00 C 07 39 25.884 +50 12 58.18 V T08
2025-03-03 07:38:40 C 07 38 46.093 +49 57 14.25 X F51
2025-03-03 07:58:40 C 07 38 45.467 +49 57 00.14 X F51
2025-03-03 08:18:39 C 07 38 44.853 +49 56 46.02 X F51
2025-03-03 08:26:57 C 07 38 44.575 +49 56 40.49 V T08
2025-03-03 08:33:39 C 07 38 44.374 +49 56 35.63 V T08
2025-03-03 08:43:03 C 07 38 44.076 +49 56 29.04 V T08
2025-03-03 09:00:18 C 07 38 43.562 +49 56 16.73 V T08
2025-03-05 08:26:00 C 07 37 31.495 +49 22 59.41 V T05
2025-03-05 08:35:14 C 07 37 31.219 +49 22 53.11 V T05
2025-03-05 08:39:49 C 07 37 31.123 +49 22 49.66 V T05
2025-03-05 08:55:07 C 07 37 30.751 +49 22 38.93 V T05
2025-03-06 08:02:43 C 07 37 01.558 +49 06 29.27 V T05
2025-03-06 08:08:19 C 07 37 01.462 +49 06 25.42 V T05
2025-03-06 08:15:47 C 07 37 01.303 +49 06 19.91 V T05
2025-03-06 08:25:07 C 07 37 01.051 +49 06 13.21 V T05
2025-03-06 08:31:15 C 07 37 00.910 +49 06 09.11 V T05
2025-03-07 08:03:57 C 07 36 34.961 +48 49 44.87 V T08
2025-03-07 08:08:36 C 07 36 34.913 +48 49 41.52 V T08
2025-03-07 08:17:54 C 07 36 34.702 +48 49 35.22 V T08
2025-03-07 08:23:15 C 07 36 34.562 +48 49 31.33 V T08
2025-03-07 08:28:36 C 07 36 34.495 +48 49 27.52 V T08
2025-03-07 08:32:35 C 07 36 34.454 +48 49 25.32 V T08
2025-03-07 08:33:14 C 07 36 34.406 +48 49 24.71 V T08
2025-03-07 08:37:57 C 07 36 34.385 +48 49 21.14 V T08
2025-03-07 08:54:36 C 07 36 33.991 +48 49 09.80 V T08
2025-03-15 07:59:15 C 07 35 09.773 +46 38 52.87 V T08
2025-03-15 08:05:25 C 07 35 09.806 +46 38 48.41 V T08
2025-03-15 08:13:24 C 07 35 09.727 +46 38 42.61 V T08
2025-03-15 08:30:02 C 07 35 09.782 +46 38 32.60 V T08
2025-03-17 07:28:16 C 07 35 19.570 +46 07 27.37 V T05
2025-03-17 07:47:43 C 07 35 19.627 +46 07 14.34 V T05
2025-03-17 07:52:19 C 07 35 19.654 +46 07 11.03 V T05
2025-03-17 08:02:54 C 07 35 19.697 +46 07 04.55 V T05
2025-03-17 08:07:32 C 07 35 19.680 +46 07 01.09 V T05
2025-03-17 08:18:57 C 07 35 19.733 +46 06 53.71 V T05
2025-03-17 08:42:50 C 07 35 19.814 +46 06 37.55 V T05
2025-03-17 20:47:23 B 07 35 24.32 +45 58 41.2 W D51
2025-03-17 20:56:30 B 07 35 24.33 +45 58 35.1 W D51
2025-03-17 21:04:37 B 07 35 24.38 +45 58 29.9 W D51
2025-03-18 05:14:53 C 07 35 27.568 +45 53 09.74 V G96
2025-03-18 05:15:36 C 07 35 27.575 +45 53 09.20 V G96
2025-03-18 05:22:22 C 07 35 27.607 +45 53 04.92 V G96
2025-03-18 05:23:05 C 07 35 27.618 +45 53 04.38 V G96
2025-03-18 05:29:52 C 07 35 27.654 +45 52 59.84 V G96
2025-03-18 05:30:35 C 07 35 27.650 +45 52 59.38 V G96
2025-03-18 05:37:21 C 07 35 27.697 +45 52 54.91 V G96
2025-03-18 05:38:04 C 07 35 27.697 +45 52 54.52 V G96
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)