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
2023-01-27 02:23:09 C 01 00 37.717 +43 20 40.60 V 703
2023-01-27 02:30:41 C 01 00 39.445 +43 20 45.02 V 703
2023-01-27 02:38:14 C 01 00 41.184 +43 20 50.86 V 703
2023-01-27 02:45:46 C 01 00 42.887 +43 20 56.22 V 703
2023-01-29 21:57:10 C 01 16 06.45 +44 08 56.4 W J52
2023-01-29 22:05:35 C 01 16 08.34 +44 09 01.5 W J52
2023-01-29 22:13:59 C 01 16 10.24 +44 09 07.1 W J52
2023-01-30 02:26:06 C 01 17 07.451 +44 11 54.74 V 703
2023-01-30 02:35:23 C 01 17 09.532 +44 12 00.61 V 703
2023-01-30 02:53:57 C 01 17 13.758 +44 12 11.59 V 703
2023-02-02 03:00:18 C 01 33 17.204 +44 53 45.46 V 703
2023-02-02 03:07:50 C 01 33 18.821 +44 53 49.20 V 703
2023-02-02 03:15:22 C 01 33 20.430 +44 53 52.94 V 703
2023-02-02 03:22:54 C 01 33 22.093 +44 53 57.01 V 703
2023-02-04 19:21:04 C 01 47 13.26 +45 23 34.2 X L63
2023-02-04 19:28:32 C 01 47 14.87 +45 23 37.1 X L63
2023-02-04 19:35:30 C 01 47 16.34 +45 23 40.1 X L63
2023-02-08 03:08:46 C 02 03 57.946 +45 52 16.93 V 703
2023-02-08 03:16:25 C 02 03 59.504 +45 52 19.20 V 703
2023-02-08 03:24:05 C 02 04 01.078 +45 52 21.58 V 703
2023-02-08 03:31:45 C 02 04 02.636 +45 52 23.09 V 703
2023-02-09 02:29:34 C 02 08 45.262 +45 59 06.86 V G96
2023-02-09 02:37:10 C 02 08 46.792 +45 59 08.88 V G96
2023-02-09 02:44:45 C 02 08 48.318 +45 59 10.90 V G96
2023-02-09 02:52:20 C 02 08 49.852 +45 59 12.91 V G96
2023-02-14 21:20:06 C 02 36 10.34 +46 27 04.0 q Y93
2023-02-14 21:21:12 C 02 36 10.62 +46 27 04.4 q Y93
2023-02-14 21:22:19 C 02 36 10.83 +46 27 04.8 q Y93
2023-02-14 23:06:45 C 02 36 30.66 +46 27 16.3 q Y93
2023-02-14 23:07:52 C 02 36 30.92 +46 27 16.3 q Y93
2023-02-14 23:08:58 C 02 36 31.17 +46 27 16.0 q Y93
2023-02-16 19:59:16 C 02 44 59.66 +46 32 15.2 X G02
2023-02-16 20:08:22 C 02 45 01.33 +46 32 16.0 X G02
2023-02-16 20:17:28 C 02 45 03.08 +46 32 16.8 X G02
2023-02-16 22:20:20 C 02 45 25.96 +46 32 28.5 q Y93
2023-02-16 22:21:27 C 02 45 26.10 +46 32 28.1 q Y93
2023-02-16 22:22:34 C 02 45 26.34 +46 32 27.8 q Y93
2023-02-16 22:23:40 C 02 45 26.42 +46 32 27.4 q Y93
2023-02-18 21:02:24 C 02 54 03.57 +46 35 47.7 q Y93
2023-02-18 21:03:31 C 02 54 03.90 +46 35 47.4 q Y93
2023-02-18 21:04:38 C 02 54 04.17 +46 35 47.4 q Y93
2023-02-18 21:05:44 C 02 54 04.31 +46 35 47.2 q Y93
2023-02-18 21:06:52 C 02 54 04.38 +46 35 46.4 q Y93
2023-03-05 20:44:29 C 03 54 35.43 +46 15 55.9 V M14
2023-03-05 20:56:33 C 03 54 37.24 +46 15 54.0 V M14
2023-03-06 15:10:24 C 03 57 26.12 +46 13 19.9 Z C97
2023-03-06 15:15:33 C 03 57 26.91 +46 13 19.2 Z C97
2023-03-06 15:20:20 C 03 57 27.66 +46 13 18.3 Z C97
2023-03-06 15:25:09 C 03 57 28.36 +46 13 17.7 Z C97
2023-04-10 03:11:46 C 05 46 24.575 +42 50 52.98 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)