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
2017-02-02 07:23:06 C 13 56 57.55 -08 52 05.9 q W98
2017-02-02 07:47:47 C 13 56 58.16 -08 52 16.2 q W98
2017-02-02 14:22:31 C 13 57 08.805 -08 54 56.37 L F51
2017-02-02 14:37:21 C 13 57 09.182 -08 55 02.26 L F51
2017-02-02 14:52:15 C 13 57 09.559 -08 55 08.18 L F51
2017-02-02 15:07:05 C 13 57 09.934 -08 55 14.06 L F51
2017-02-10 06:37:42 C 14 01 25.18 -10 08 39.5 q Y00
2017-02-10 06:51:05 C 14 01 25.41 -10 08 45.3 q Y00
2017-02-10 07:04:15 C 14 01 25.64 -10 08 50.7 q Y00
2017-02-20 05:50:24 C 14 04 28.65 -11 48 33.3 q Y00
2017-02-20 06:03:36 C 14 04 28.69 -11 48 39.2 q Y00
2017-02-20 06:16:36 C 14 04 28.78 -11 48 44.6 q Y00
2017-02-24 10:43:06 C 14 04 41.59 -12 32 54.2 q G96
2017-02-24 10:49:12 C 14 04 41.56 -12 32 56.0 q G96
2017-02-24 10:55:18 C 14 04 41.54 -12 32 59.4 q G96
2017-02-24 11:01:24 C 14 04 41.49 -12 33 01.5 q G96
2017-02-25 10:10:57 C 14 04 38.15 -12 43 23.7 R G45
2017-02-25 10:18:43 C 14 04 38.11 -12 43 27.2 R G45
2017-02-25 10:28:29 C 14 04 38.05 -12 43 31.4 R G45
2017-02-25 10:34:57 C 14 04 38.02 -12 43 34.4 R G45
2017-02-25 10:42:31 C 14 04 37.98 -12 43 37.8 R G45
2017-03-02 10:25:13 C 14 03 37.59 -13 38 45.7 q 703
2017-03-02 10:32:36 C 14 03 37.46 -13 38 49.1 q 703
2017-03-02 10:44:00 C 14 03 37.30 -13 38 54.8 q 703
2017-03-02 10:51:22 C 14 03 37.18 -13 38 58.1 q 703
2017-03-03 07:18:27 C 14 03 19.56 -13 48 38.4 R G45
2017-03-03 07:25:19 C 14 03 19.45 -13 48 42.2 R G45
2017-03-03 07:32:10 C 14 03 19.34 -13 48 45.2 R G45
2017-03-03 07:45:55 C 14 03 19.10 -13 48 52.1 R G45
2017-03-07 14:06:40 C 14 01 10.83 -14 38 44.4 L T05
2017-03-07 14:29:12 C 14 01 10.20 -14 38 55.5 L T05
2017-03-07 14:51:00 C 14 01 09.57 -14 39 06.7 L T05
2017-03-07 15:12:36 C 14 01 08.94 -14 39 17.5 L T05
2017-03-09 07:54:30 C 13 59 59.58 -14 59 51.6 u H21
2017-03-09 07:57:01 C 13 59 59.49 -14 59 53.0 u H21
2017-03-09 07:59:32 C 13 59 59.42 -14 59 54.2 u H21
2017-03-09 08:02:03 C 13 59 59.33 -14 59 55.5 u H21
2017-03-09 08:04:34 C 13 59 59.25 -14 59 56.7 u H21
2017-03-09 08:07:42 C 13 59 59.15 -14 59 58.3 u H21
2017-03-11 01:21:56 C 13 58 36.54 -15 21 01.4 o K95
2017-03-11 01:32:19 C 13 58 36.13 -15 21 06.9 o K95
2017-03-11 01:42:46 C 13 58 35.75 -15 21 12.3 o K95
2017-03-15 07:41:36 C 13 54 16.07 -16 15 49.2 u H21
2017-03-15 07:44:07 C 13 54 15.93 -16 15 50.5 u H21
2017-03-15 07:46:38 C 13 54 15.80 -16 15 51.9 u H21
2017-03-15 07:49:09 C 13 54 15.67 -16 15 53.2 u H21
2017-03-15 07:51:40 C 13 54 15.53 -16 15 54.5 u H21
2017-03-15 07:54:11 C 13 54 15.41 -16 15 55.9 u H21
2017-03-15 07:56:42 C 13 54 15.28 -16 15 57.3 u H21
2017-03-15 07:59:14 C 13 54 15.15 -16 15 58.7 u H21
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)