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
2018-01-28 08:39:04 C 09 48 04.46 +50 39 39.0 U G96
2018-01-30 11:45:02 C 09 41 31.56 +50 48 37.5 U T05
2018-01-30 11:50:57 C 09 41 30.78 +50 48 38.5 U T05
2018-01-30 12:10:12 C 09 41 28.26 +50 48 41.0 U T05
2018-01-30 12:12:55 C 09 41 27.90 +50 48 41.7 U T05
2018-01-30 12:18:12 C 09 41 27.20 +50 48 42.1 U T05
2018-01-30 12:19:30 C 09 41 27.00 +50 48 42.3 U T05
2018-01-30 12:20:51 C 09 41 26.85 +50 48 42.4 U T05
2018-01-30 12:36:21 C 09 41 24.82 +50 48 44.7 U T05
2018-02-03 00:55:44 C 09 30 36.81 +50 55 56.8 q I15
2018-02-03 01:05:03 C 09 30 35.59 +50 55 57.6 q I15
2018-02-03 01:14:21 C 09 30 34.40 +50 55 57.8 q I15
2018-02-03 09:55:40 C 09 29 27.672 +50 56 15.90 U F51
2018-02-03 10:14:33 C 09 29 25.205 +50 56 16.36 U F51
2018-02-03 10:33:29 C 09 29 22.739 +50 56 16.79 U F51
2018-02-03 10:52:39 C 09 29 20.238 +50 56 17.21 U F51
2018-02-03 12:14:33 C 09 29 09.56 +50 56 18.4 U T05
2018-02-03 12:50:00 C 09 29 04.97 +50 56 18.7 U T05
2018-02-03 13:01:13 C 09 29 03.52 +50 56 18.6 U T05
2018-02-04 06:20:44 C 09 26 52.20 +50 56 23.2 U 703
2018-02-04 06:28:33 C 09 26 51.16 +50 56 23.1 U 703
2018-02-04 06:36:23 C 09 26 50.16 +50 56 23.2 U 703
2018-02-04 06:44:12 C 09 26 49.11 +50 56 23.3 U 703
2018-02-05 12:01:05 C 09 23 07.37 +50 55 40.9 U T08
2018-02-05 12:09:42 C 09 23 06.20 +50 55 40.3 U T08
2018-02-05 12:24:59 C 09 23 04.24 +50 55 39.1 U T08
2018-02-05 12:37:31 C 09 23 02.66 +50 55 38.3 U T08
2018-02-07 05:45:16 C 09 17 56.50 +50 52 43.5 U G96
2018-02-07 05:49:25 C 09 17 56.24 +50 52 44.3 U 703
2018-02-07 05:57:05 C 09 17 55.15 +50 52 44.0 U 703
2018-02-07 06:00:22 C 09 17 54.82 +50 52 43.4 U G96
2018-02-07 06:04:45 C 09 17 54.25 +50 52 43.0 U 703
2018-02-07 06:07:56 C 09 17 53.85 +50 52 42.7 U G96
2018-02-07 06:12:25 C 09 17 53.26 +50 52 42.4 U 703
2018-02-07 06:17:26 C 09 17 52.69 +50 52 41.6 U I41
2018-02-07 06:48:06 C 09 17 48.84 +50 52 38.8 U I41
2018-02-07 07:28:01 C 09 17 43.83 +50 52 35.1 U I41
2018-02-07 07:59:56 C 09 17 39.82 +50 52 32.0 U I41
2018-02-11 13:58:01 C 09 05 30.22 +50 36 23.3 U T05
2018-02-11 14:20:24 C 09 05 27.58 +50 36 18.1 U T05
2018-02-11 14:29:40 C 09 05 26.54 +50 36 15.8 U T05
2018-02-11 14:40:14 C 09 05 25.27 +50 36 13.3 U T05
2018-02-11 14:49:24 C 09 05 24.26 +50 36 11.1 U T05
2018-02-11 14:59:39 C 09 05 23.07 +50 36 08.7 U T05
2018-02-11 15:08:39 C 09 05 22.01 +50 36 06.8 U T05
2018-02-11 15:23:22 C 09 05 20.30 +50 36 03.0 U T05
2018-02-12 20:45:09 C 09 02 01.59 +50 29 11.3 U Z52
2018-02-12 21:58:04 C 09 01 53.31 +50 28 53.7 U Z52
2018-02-15 00:23:00 C 08 56 23.36 +50 14 59.1 q I15
2018-02-15 00:29:14 C 08 56 22.68 +50 14 57.1 q I15
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)