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
2018-01-14 09:05:14 C 10 27 16.87 +48 25 16.0 U 703
2018-01-14 09:13:04 C 10 27 16.06 +48 25 20.3 U 703
2018-01-14 09:20:56 C 10 27 15.23 +48 25 24.7 U 703
2018-01-14 09:28:47 C 10 27 14.33 +48 25 29.2 U 703
2018-01-14 14:18:43 C 10 26 44.92 +48 28 12.6 U T05
2018-01-14 14:32:15 C 10 26 43.50 +48 28 20.2 U T05
2018-01-14 14:35:35 C 10 26 43.15 +48 28 21.9 U T05
2018-01-14 14:46:37 C 10 26 42.00 +48 28 28.1 U T05
2018-01-14 14:50:03 C 10 26 41.65 +48 28 30.0 U T05
2018-01-14 15:00:44 C 10 26 40.54 +48 28 35.7 U T05
2018-01-14 15:04:07 C 10 26 40.18 +48 28 37.6 U T05
2018-01-14 15:15:03 C 10 26 39.05 +48 28 43.8 U T05
2018-01-16 13:35:55 C 10 21 50.25 +48 53 42.8 U T08
2018-01-16 13:43:11 C 10 21 49.45 +48 53 46.6 U T08
2018-01-16 14:05:42 C 10 21 46.97 +48 53 58.1 U T08
2018-01-17 00:50:19 C 10 20 38.49 +48 59 25.9 d Z35
2018-01-17 01:03:57 C 10 20 36.87 +48 59 30.9 d Z35
2018-01-17 08:25:31 C 10 19 48.94 +49 03 18.9 U 703
2018-01-17 08:33:19 C 10 19 48.05 +49 03 22.8 U 703
2018-01-17 08:41:08 C 10 19 47.18 +49 03 26.9 U 703
2018-01-17 08:48:57 C 10 19 46.32 +49 03 31.0 U 703
2018-01-18 00:36:25 C 10 18 02.55 +49 11 19.0 d Z35
2018-01-18 00:50:10 C 10 18 00.95 +49 11 27.4 d Z35
2018-01-18 01:03:57 C 10 17 59.42 +49 11 33.1 d Z35
2018-01-20 13:05:56 C 10 11 09.78 +49 39 11.9 U T08
2018-01-20 13:12:32 C 10 11 08.98 +49 39 14.8 U T08
2018-01-20 13:13:11 C 10 11 08.88 +49 39 15.0 U T08
2018-01-20 13:30:34 C 10 11 06.80 +49 39 22.4 U T08
2018-01-20 13:31:54 C 10 11 06.64 +49 39 22.7 U T08
2018-01-20 13:42:30 C 10 11 05.40 +49 39 27.4 U T08
2018-01-20 13:50:47 C 10 11 04.37 +49 39 30.8 U T08
2018-01-20 14:04:56 C 10 11 02.68 +49 39 36.8 U T08
2018-01-22 06:22:36 C 10 06 17.35 +49 55 57.9 U 703
2018-01-22 06:30:23 C 10 06 16.38 +49 56 01.0 U 703
2018-01-22 06:38:11 C 10 06 15.43 +49 56 04.3 U 703
2018-01-22 06:45:58 C 10 06 14.48 +49 56 07.5 U 703
2018-01-25 06:26:40 C 09 57 27.52 +50 20 43.4 U 703
2018-01-25 06:34:21 C 09 57 26.54 +50 20 45.7 U 703
2018-01-25 06:42:02 C 09 57 25.58 +50 20 48.0 U 703
2018-01-25 06:49:44 C 09 57 24.58 +50 20 50.6 U 703
2018-01-26 13:11:49 C 09 53 35.33 +50 29 25.9 U T05
2018-01-26 13:30:55 C 09 53 32.83 +50 29 30.7 U T05
2018-01-26 13:43:31 C 09 53 31.21 +50 29 33.9 U T05
2018-01-28 05:44:07 C 09 48 27.27 +50 39 00.7 U 703
2018-01-28 05:51:58 C 09 48 26.23 +50 39 02.5 U 703
2018-01-28 05:59:48 C 09 48 25.23 +50 39 04.7 U 703
2018-01-28 06:07:38 C 09 48 24.21 +50 39 06.2 U 703
2018-01-28 08:07:36 C 09 48 08.57 +50 39 32.4 U G96
2018-01-28 08:17:45 C 09 48 07.25 +50 39 34.5 U G96
2018-01-28 08:28:20 C 09 48 05.87 +50 39 36.7 U 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)