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
2024-10-22 14:54:51 C 10 12 00.806 +37 48 42.19 V T05
2024-10-22 15:27:21 C 10 12 03.358 +37 48 51.16 V T05
2024-10-24 15:00:01 C 10 15 49.560 +38 01 20.14 V T05
2024-10-24 15:05:53 C 10 15 50.014 +38 01 21.18 V T05
2024-10-24 15:13:25 C 10 15 50.575 +38 01 23.30 V T05
2024-10-24 15:30:29 C 10 15 51.888 +38 01 27.70 V T05
2024-10-25 14:36:12 C 10 17 39.194 +38 07 36.66 V T08
2024-10-25 14:41:17 C 10 17 39.612 +38 07 37.99 V T08
2024-10-25 14:45:58 C 10 17 39.960 +38 07 39.54 V T08
2024-10-25 15:04:38 C 10 17 41.342 +38 07 44.65 V T08
2024-10-25 15:05:18 C 10 17 41.393 +38 07 44.58 V T08
2024-11-09 13:56:17 C 10 41 28.469 +39 59 43.04 V T05
2024-11-09 14:00:50 C 10 41 28.678 +39 59 44.88 V T05
2024-11-09 14:21:15 C 10 41 29.755 +39 59 52.80 V T05
2024-11-09 14:28:43 C 10 41 30.182 +39 59 55.90 V T05
2024-11-12 12:17:07 C 10 45 10.249 +40 26 54.85 V G96
2024-11-12 12:24:30 C 10 45 10.602 +40 26 57.91 V G96
2024-11-12 12:31:54 C 10 45 10.966 +40 27 00.90 V G96
2024-11-12 12:39:17 C 10 45 11.315 +40 27 03.96 V G96
2024-11-15 13:12:56 C 10 48 38.623 +40 57 25.45 V T05
2024-11-15 13:17:38 C 10 48 38.820 +40 57 28.08 V T05
2024-11-15 13:25:45 C 10 48 39.134 +40 57 31.50 V T05
2024-11-15 13:41:06 C 10 48 39.811 +40 57 38.05 V T05
2024-11-19 13:23:45 C 10 52 36.535 +41 41 36.13 V T05
2024-11-19 13:27:44 C 10 52 36.677 +41 41 37.86 V T05
2024-11-19 13:33:46 C 10 52 36.910 +41 41 41.14 V T05
2024-11-19 14:08:28 C 10 52 38.155 +41 41 58.67 V T05
2024-11-19 14:44:03 C 10 52 39.389 +41 42 16.31 X F52
2024-11-19 14:54:44 C 10 52 39.765 +41 42 21.66 X F52
2024-11-19 15:05:22 C 10 52 40.135 +41 42 26.99 X F52
2024-11-19 15:15:59 C 10 52 40.502 +41 42 32.26 X F52
2024-11-20 12:33:05 C 10 53 26.977 +41 52 56.96 V G96
2024-11-20 12:39:07 C 10 53 27.175 +41 53 00.02 V G96
2024-11-20 12:45:08 C 10 53 27.377 +41 53 02.98 V G96
2024-11-20 12:51:11 C 10 53 27.571 +41 53 06.14 V G96
2024-11-21 13:58:20 C 10 54 19.910 +42 05 44.09 V T05
2024-11-21 14:02:56 C 10 54 20.059 +42 05 46.46 V T05
2024-11-21 14:10:46 C 10 54 20.306 +42 05 50.71 V T05
2024-11-21 14:26:08 C 10 54 20.772 +42 05 58.56 V T05
2024-11-23 13:56:43 C 10 55 50.280 +42 30 48.42 V T08
2024-11-23 14:01:20 C 10 55 50.410 +42 30 50.98 V T08
2024-11-23 14:09:16 C 10 55 50.633 +42 30 55.26 V T08
2024-11-23 14:32:47 C 10 55 51.252 +42 31 08.26 V T08
2024-11-25 13:31:00 C 10 57 07.855 +42 56 54.28 V T05
2024-11-25 13:34:20 C 10 57 07.949 +42 56 56.33 V T05
2024-11-25 13:34:59 C 10 57 07.956 +42 56 56.76 V T05
2024-11-25 13:38:59 C 10 57 08.054 +42 56 58.96 V T05
2024-11-25 13:59:55 C 10 57 08.520 +42 57 11.12 V T05
2024-11-25 14:02:32 C 10 57 08.592 +42 57 12.71 V T05
2024-11-25 14:07:48 C 10 57 08.719 +42 57 15.80 V 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)