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
2017-05-06 08:41:20 C 10 40 02.93 -24 53 50.6 L T05
2017-05-06 08:43:36 C 10 40 02.49 -24 53 50.9 L T05
2017-05-06 08:51:09 C 10 40 00.93 -24 53 49.6 L T05
2017-05-06 09:04:01 C 10 39 58.23 -24 53 46.9 L T05
2017-05-07 22:49:09 C 10 32 25.10 -24 48 02.8 r Y00
2017-05-07 22:50:41 C 10 32 24.80 -24 48 02.7 r Y00
2017-05-07 22:52:11 C 10 32 24.44 -24 48 02.8 r Y00
2017-05-08 06:26:01 C 10 30 54.76 -24 46 59.7 L T08
2017-05-08 06:45:37 C 10 30 50.78 -24 46 56.3 L T08
2017-05-08 07:03:53 C 10 30 47.08 -24 46 53.1 L T08
2017-05-08 07:22:46 C 10 30 43.26 -24 46 49.7 L T08
2017-05-11 23:59:40 C 10 13 48.45 -24 29 02.7 r Y00
2017-05-12 00:18:26 C 10 13 44.90 -24 28 58.5 r Y00
2017-05-12 00:37:03 C 10 13 41.36 -24 28 54.0 r Y00
2017-05-13 05:48:05 C 10 08 22.59 -24 22 23.3 L T08
2017-05-13 06:02:45 C 10 08 19.86 -24 22 19.7 L T08
2017-05-13 06:22:26 C 10 08 16.20 -24 22 14.7 L T08
2017-05-13 06:43:05 C 10 08 12.36 -24 22 09.6 L T08
2017-05-15 02:20:30 S 10 00 29.07 -24 11 08.8 L C51
2017-05-15 05:29:01 S 09 59 56.31 -24 10 20.6 L C51
2017-05-15 07:03:16 S 09 59 39.96 -24 09 56.3 L C51
2017-05-15 08:37:31 S 09 59 23.65 -24 09 31.9 L C51
2017-05-15 08:37:42 S 09 59 23.60 -24 09 32.2 L C51
2017-05-15 10:11:57 S 09 59 07.31 -24 09 07.8 L C51
2017-05-15 13:20:27 S 09 58 34.76 -24 08 19.2 L C51
2017-09-10 00:13:07 C 08 23 03.74 +34 24 18.4 o L52
2017-09-10 00:19:20 C 08 23 04.70 +34 24 19.1 o L52
2017-09-10 00:27:00 C 08 23 05.60 +34 24 21.4 o L52
2017-09-29 14:48:05 C 09 19 47.61 +35 01 54.1 L T08
2017-09-29 14:51:56 C 09 19 48.03 +35 01 54.0 L T08
2017-09-29 15:06:22 C 09 19 49.59 +35 01 54.4 L T08
2017-09-29 15:10:17 C 09 19 49.99 +35 01 54.3 L T08
2017-10-11 11:22:47 C 09 48 24.86 +35 00 03.0 U G96
2017-10-11 11:29:36 C 09 48 25.49 +35 00 03.0 U G96
2017-10-11 11:36:26 C 09 48 26.13 +35 00 03.1 U G96
2017-10-11 11:43:18 C 09 48 26.76 +35 00 03.1 U G96
2017-10-15 10:52:08 C 09 57 05.22 +34 59 34.8 U 703
2017-10-15 10:59:24 C 09 57 05.90 +34 59 34.8 U 703
2017-10-15 11:06:38 C 09 57 06.55 +34 59 35.4 U 703
2017-10-15 11:13:53 C 09 57 07.12 +34 59 34.9 U 703
2017-10-22 11:04:48 C 10 11 14.13 +35 01 32.9 U 703
2017-10-22 11:12:13 C 10 11 14.69 +35 01 32.6 U 703
2017-10-22 11:19:30 C 10 11 15.21 +35 01 32.7 U 703
2017-10-22 11:26:47 C 10 11 15.84 +35 01 33.1 U 703
2017-10-28 11:08:24 C 10 22 12.01 +35 07 37.4 U 703
2017-10-28 11:15:34 C 10 22 12.54 +35 07 38.3 U 703
2017-10-28 11:22:44 C 10 22 13.06 +35 07 38.6 U 703
2017-10-28 11:29:55 C 10 22 13.55 +35 07 38.6 U 703
2017-10-30 12:08:47 C 10 25 41.17 +35 10 54.2 U 703
2017-10-30 12:11:23 C 10 25 41.34 +35 10 54.2 U 703
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)