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
2003-11-23 10:28:52 C 11 10 07.27 +29 09 23.9 o 704
2003-12-04 10:47:43 C 11 19 03.11 +29 40 24.6 c 704
2003-12-04 11:05:38 C 11 19 03.58 +29 40 27.8 c 704
2003-12-04 11:23:06 C 11 19 04.01 +29 40 30.9 c 704
2003-12-04 11:41:06 C 11 19 04.52 +29 40 34.3 c 704
2003-12-04 11:58:50 C 11 19 04.95 +29 40 37.1 c 704
2003-12-17 09:42:59 C 11 24 39.26 +30 54 53.1 c 704
2003-12-17 10:01:09 C 11 24 39.39 +30 54 57.9 c 704
2003-12-17 10:37:50 C 11 24 39.60 +30 55 09.2 c 704
2003-12-17 10:55:47 C 11 24 39.66 +30 55 17.1 c 704
2003-12-25 04:49:56 C 11 24 55.29 +32 00 27.3 r 170
2003-12-25 05:00:23 C 11 24 55.20 +32 00 30.8 r 170
2004-01-11 10:39:48 C 11 15 14.31 +35 11 59.7 17.8 c 644
2004-01-11 11:09:59 C 11 15 12.97 +35 12 15.5 17.5 c 644
2004-01-11 11:40:43 C 11 15 11.60 +35 12 31.1 17.4 c 644
2004-01-19 08:11:53 C 11 05 25.72 +36 50 37.4 c 704
2004-01-19 08:31:05 C 11 05 24.52 +36 50 47.8 c 704
2004-01-19 08:49:55 C 11 05 23.34 +36 50 57.3 c 704
2004-01-19 09:08:36 C 11 05 22.16 +36 51 07.0 c 704
2004-01-19 09:27:01 C 11 05 20.96 +36 51 17.0 c 704
2004-01-25 01:52:03 C 10 56 06.97 +37 59 59.9 o 084
2004-01-27 08:34:30 C 10 51 56.76 +38 26 04.0 d 703
2004-01-27 08:59:23 C 10 51 54.75 +38 26 15.7 d 703
2004-01-27 09:23:55 C 10 51 52.76 +38 26 27.1 d 703
2004-01-27 09:48:40 C 10 51 50.77 +38 26 38.5 d 703
2004-02-01 04:52:33 C 10 42 16.31 +39 16 49.2 o 859
2004-02-01 09:53:41 C 10 41 50.02 +39 18 46.0 d 703
2004-02-01 10:08:35 C 10 41 48.64 +39 18 52.2 d 703
2004-02-01 10:23:32 C 10 41 47.35 +39 18 57.7 d 703
2004-02-01 10:38:21 C 10 41 45.97 +39 19 03.7 d 703
2004-02-02 07:15:26 C 10 39 56.93 +39 27 09.7 o 699
2004-02-02 07:29:52 C 10 39 55.63 +39 27 15.5 o 699
2004-02-02 07:44:21 C 10 39 54.30 +39 27 21.3 o 699
2004-02-02 07:58:49 C 10 39 52.99 +39 27 26.8 o 699
2004-02-09 09:10:52 C 10 24 03.83 +40 22 35.2 17.2 c 644
2004-02-09 09:44:55 C 10 24 00.47 +40 22 44.2 17.1 c 644
2004-02-09 10:18:02 C 10 23 57.19 +40 22 52.7 17.1 c 644
2004-02-10 06:48:45 C 10 21 57.88 +40 28 00.6 c 704
2004-02-10 07:13:24 C 10 21 55.44 +40 28 07.0 c 704
2004-02-10 07:31:22 C 10 21 53.66 +40 28 11.1 c 704
2004-02-10 07:49:11 C 10 21 51.85 +40 28 15.6 c 704
2004-02-10 08:07:50 C 10 21 50.04 +40 28 20.5 c 704
2004-02-10 20:23:05 C 10 20 38.43 +40 31 09.6 o 084
2004-02-14 06:02:00 C 10 12 36.29 +40 47 02.8 c 932
2004-02-14 06:24:59 C 10 12 33.99 +40 47 06.6 c 932
2004-02-14 06:42:59 C 10 12 32.19 +40 47 09.5 c 932
2004-02-24 21:57:42 C 09 47 56.62 +40 57 32.4 r 240
2004-02-24 22:00:19 C 09 47 56.38 +40 57 32.2 r 240
2004-02-24 22:16:20 C 09 47 54.91 +40 57 31.0 r 240
2004-02-24 22:17:37 C 09 47 54.80 +40 57 30.9 r 240
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)