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
2017-10-30 12:23:58 C 10 25 42.20 +35 10 55.2 U 703
2017-10-30 12:28:28 C 10 25 42.51 +35 10 55.4 U 703
2017-11-02 02:51:03 C 10 29 58.00 +35 16 03.4 q 160
2017-11-02 02:53:50 C 10 29 58.15 +35 16 03.7 q 160
2017-11-02 02:56:37 C 10 29 58.31 +35 16 04.0 q 160
2017-11-12 10:44:56 C 10 44 50.14 +35 49 42.6 U G96
2017-11-12 10:46:18 C 10 44 50.22 +35 49 42.9 U G96
2017-11-12 10:52:28 C 10 44 50.53 +35 49 44.1 U G96
2017-11-12 10:53:49 C 10 44 50.61 +35 49 44.3 U G96
2017-11-12 10:59:58 C 10 44 50.92 +35 49 45.6 U G96
2017-11-12 11:01:20 C 10 44 51.01 +35 49 45.8 U G96
2017-11-12 11:07:28 C 10 44 51.31 +35 49 47.0 U G96
2017-11-12 11:08:48 C 10 44 51.40 +35 49 47.2 U G96
2017-11-17 11:47:57 C 10 50 49.81 +36 15 05.6 U 703
2017-11-17 11:55:14 C 10 50 50.15 +36 15 07.5 U 703
2017-11-17 12:02:32 C 10 50 50.44 +36 15 09.5 U 703
2017-11-17 12:09:49 C 10 50 50.76 +36 15 11.2 U 703
2017-11-22 15:00:30 S 10 55 59.29 +36 47 51.5 L C51
2017-11-22 18:09:00 S 10 56 06.44 +36 48 46.7 L C51
2017-11-22 19:43:15 S 10 56 09.95 +36 49 14.3 L C51
2017-11-22 19:43:26 S 10 56 10.070 +36 49 14.56 L C51
2017-11-22 21:17:41 S 10 56 13.60 +36 49 41.7 L C51
2017-11-22 22:51:56 S 10 56 17.028 +36 50 11.36 L C51
2017-11-23 00:26:11 S 10 56 20.575 +36 50 38.83 L C51
2017-11-23 02:00:26 S 10 56 24.072 +36 51 07.60 L C51
2017-11-23 08:17:26 S 10 56 37.93 +36 53 02.4 L C51
2017-11-23 11:25:56 S 10 56 44.83 +36 53 59.5 L C51
2017-11-26 10:38:02 C 10 59 10.73 +37 16 57.7 U 703
2017-11-26 10:45:37 C 10 59 10.97 +37 17 00.4 U 703
2017-11-26 10:53:11 C 10 59 11.20 +37 17 02.9 U 703
2017-11-26 11:00:47 C 10 59 11.46 +37 17 06.1 U 703
2017-11-28 02:44:15 C 11 00 23.07 +37 31 02.6 q 160
2017-11-28 02:49:52 C 11 00 23.18 +37 31 04.3 q 160
2017-11-28 02:57:13 C 11 00 23.36 +37 31 07.1 q 160
2017-12-05 02:38:44 C 11 04 06.05 +38 39 03.1 q 160
2017-12-05 02:41:47 C 11 04 06.07 +38 39 04.7 q 160
2017-12-05 02:44:50 C 11 04 06.09 +38 39 06.1 q 160
2017-12-06 03:17:13 C 11 04 27.12 +38 50 17.2 q 160
2017-12-06 03:20:14 C 11 04 27.19 +38 50 18.6 q 160
2017-12-06 03:23:16 C 11 04 27.24 +38 50 20.0 q 160
2017-12-11 15:22:11 C 11 05 25.29 +39 55 51.3 U T08
2017-12-11 15:35:06 C 11 05 25.27 +39 55 58.7 U T08
2017-12-11 15:48:00 C 11 05 25.23 +39 56 05.1 U T08
2017-12-13 09:32:17 C 11 05 23.28 +40 18 35.2 U 703
2017-12-13 09:40:03 C 11 05 23.27 +40 18 39.9 U 703
2017-12-13 09:47:49 C 11 05 23.20 +40 18 43.8 U 703
2017-12-13 09:55:35 C 11 05 23.15 +40 18 48.3 U 703
2017-12-15 15:11:07 C 11 05 04.34 +40 48 50.4 U T08
2017-12-15 15:23:46 C 11 05 04.19 +40 48 57.5 U T08
2017-12-15 15:36:37 C 11 05 04.05 +40 49 04.9 U T08
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)