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
2018-03-21 04:39:50 C 08 10 20.55 +43 15 08.7 U 703
2018-03-29 08:17:54 C 08 09 45.68 +41 22 12.4 U T08
2018-03-29 08:25:22 C 08 09 45.74 +41 22 04.7 U T08
2018-03-29 08:26:02 C 08 09 45.79 +41 22 07.3 U T08
2018-03-29 08:43:12 C 08 09 45.84 +41 21 58.5 U T08
2018-03-29 08:51:25 C 08 09 45.83 +41 21 50.8 U T08
2018-04-05 04:28:05 C 08 11 20.91 +39 50 06.3 U 703
2018-04-05 04:35:48 C 08 11 21.02 +39 50 02.2 U 703
2018-04-05 04:43:31 C 08 11 21.08 +39 49 58.0 U 703
2018-04-05 04:51:13 C 08 11 21.22 +39 49 53.7 U 703
2018-04-08 04:03:44 C 08 12 32.09 +39 10 51.6 U G96
2018-04-08 04:11:09 C 08 12 32.22 +39 10 47.4 U G96
2018-04-08 04:18:32 C 08 12 32.34 +39 10 43.4 U G96
2018-04-08 04:25:56 C 08 12 32.48 +39 10 39.3 U G96
2018-04-09 04:04:54 C 08 12 59.50 +38 57 49.6 U 703
2018-04-09 04:13:14 C 08 12 59.71 +38 57 44.9 U 703
2018-04-09 04:29:54 C 08 13 00.10 +38 57 35.7 U 703
2018-04-20 04:06:10 C 08 19 47.24 +36 38 30.9 U 703
2018-04-20 04:13:47 C 08 19 47.46 +36 38 27.2 U 703
2018-04-20 04:21:25 C 08 19 47.74 +36 38 21.9 U 703
2018-04-20 04:29:02 C 08 19 47.95 +36 38 18.6 U 703
2018-05-04 04:16:27 C 08 32 03.18 +33 50 38.8 U 703
2018-05-04 04:31:56 C 08 32 03.78 +33 50 31.2 U 703
2018-05-04 04:39:41 C 08 32 04.02 +33 50 26.6 U 703
2018-12-09 13:16:07 C 13 57 05.07 -12 37 57.5 U I41
2018-12-09 13:22:55 C 13 57 05.63 -12 38 02.2 U I41
2018-12-09 13:29:45 C 13 57 06.20 -12 38 07.0 U I41
2018-12-09 13:36:35 C 13 57 06.77 -12 38 11.6 U I41
2018-12-12 13:19:48 C 14 03 08.19 -13 27 15.8 U I41
2018-12-12 13:26:44 C 14 03 08.78 -13 27 20.6 U I41
2018-12-12 13:40:41 C 14 03 09.92 -13 27 30.2 U I41
2018-12-15 13:20:41 C 14 09 18.73 -14 17 10.1 U I41
2018-12-15 13:27:38 C 14 09 19.32 -14 17 15.0 U I41
2018-12-15 13:34:33 C 14 09 19.92 -14 17 19.7 U I41
2018-12-15 13:41:00 C 14 09 20.48 -14 17 24.2 U I41
2018-12-16 13:23:50 C 14 11 24.31 -14 33 59.1 U I41
2018-12-16 13:30:46 C 14 11 24.92 -14 34 03.9 U I41
2018-12-16 13:37:44 C 14 11 25.51 -14 34 08.8 U I41
2018-12-30 13:30:44 C 14 42 34.77 -18 37 29.7 V I41
2018-12-30 13:38:09 C 14 42 35.49 -18 37 35.2 V I41
2018-12-30 13:45:10 C 14 42 36.17 -18 37 40.5 V I41
2018-12-30 13:52:12 C 14 42 36.84 -18 37 45.9 V I41
2019-01-24 14:48:38 C 15 52 18.92 -26 37 02.8 V T08
2019-01-24 14:54:36 C 15 52 19.77 -26 37 06.7 V T08
2019-01-24 14:58:55 C 15 52 20.36 -26 37 10.2 V T08
2019-01-24 15:10:15 C 15 52 21.89 -26 37 19.4 V T08
2019-01-24 15:12:16 C 15 52 22.22 -26 37 22.5 V T08
2019-01-24 15:15:35 C 15 52 22.61 -26 37 25.3 V T08
2019-03-17 08:26:50 C 20 42 58.96 -34 50 46.2 o W92
2019-10-05 12:11:07 C 10 15 27.31 +27 46 53.0 U I41
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)