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
2007-02-08 18:03:12 C 00 15 14.14 +19 46 28.5 17.1 r 084
2007-02-08 18:05:21 C 00 15 14.60 +19 46 33.1 16.8 r 084
2007-02-12 18:03:13 C 00 34 15.50 +22 41 46.8 r 084
2007-02-15 17:40:29 C 00 48 20.20 +24 41 49.1 16.9 r 160
2007-02-15 17:43:19 C 00 48 20.76 +24 41 53.3 17.3 r 160
2007-02-15 17:46:00 C 00 48 21.29 +24 41 57.9 17.2 r 160
2007-02-15 17:48:42 C 00 48 21.82 +24 42 02.2 17.1 r 160
2007-02-15 17:51:23 C 00 48 22.32 +24 42 06.5 17.2 r 160
2007-02-15 17:54:04 C 00 48 22.87 +24 42 10.6 17.1 r 160
2007-02-19 19:05:13 C 01 07 19.35 +27 10 22.8 16.9 r 084
2007-02-21 02:18:25 C 01 13 21.79 +27 54 33.6 r 703
2007-02-21 02:23:52 C 01 13 22.83 +27 54 41.8 r 703
2007-02-21 02:29:18 C 01 13 23.91 +27 54 49.5 r 703
2007-02-21 02:34:43 C 01 13 24.96 +27 54 56.9 r 703
2007-02-25 20:11:25 C 01 35 12.79 +30 21 33.1 r 084
2007-03-16 18:58:15 C 02 58 39.32 +36 57 11.0 r 106
2007-03-16 19:06:35 C 02 58 40.80 +36 57 16.0 r 106
2007-03-16 19:14:56 C 02 58 42.26 +36 57 20.8 r 106
2007-03-16 19:23:13 C 02 58 43.68 +36 57 25.6 r 106
2007-03-24 21:00:26 C 03 31 58.738 +38 30 37.7 r 084
2007-03-24 21:03:36 C 03 31 59.341 +38 30 39.7 r 084
2007-12-05 11:45:55 C 12 25 51.88 +08 18 22.3 w 699
2007-12-05 12:06:57 C 12 25 52.82 +08 18 16.6 w 699
2007-12-05 12:28:00 C 12 25 53.69 +08 18 11.1 w 699
2007-12-05 12:49:01 C 12 25 54.59 +08 18 06.6 w 699
2007-12-16 11:42:36 C 12 36 28.62 +07 11 37.4 c 704
2007-12-16 12:01:35 C 12 36 29.33 +07 11 33.7 c 704
2007-12-16 12:20:32 C 12 36 30.07 +07 11 29.3 c 704
2008-01-10 10:15:39 C 12 53 47.03 +05 26 57.8 c 704
2008-01-10 10:34:08 C 12 53 47.36 +05 26 54.8 c 704
2008-01-10 10:52:44 C 12 53 47.68 +05 26 52.9 c 704
2008-02-06 10:40:10 C 12 55 18.33 +05 09 50.6 r 703
2008-02-06 10:52:35 C 12 55 18.15 +05 09 51.1 r 703
2008-02-06 11:17:25 C 12 55 17.65 +05 09 52.9 r 703
2008-02-10 09:55:22 C 12 53 18.48 +05 17 23.4 r 683
2008-02-10 10:14:39 C 12 53 18.03 +05 17 24.9 r 683
2008-02-10 10:33:56 C 12 53 17.47 +05 17 27.2 r 683
2008-02-11 09:50:50 C 12 52 41.99 +05 19 42.0 r 683
2008-02-11 10:10:07 C 12 52 41.29 +05 19 43.3 r 683
2008-02-11 10:29:24 C 12 52 40.84 +05 19 45.0 r 683
2008-02-12 09:46:16 C 12 52 02.58 +05 22 10.2 r 683
2008-02-12 10:05:32 C 12 52 02.00 +05 22 11.5 r 683
2008-02-12 10:24:49 C 12 52 01.29 +05 22 13.7 r 683
2008-02-13 08:07:38 C 12 51 23.54 +05 24 39.0 c 704
2008-02-13 08:25:11 C 12 51 23.00 +05 24 41.4 c 704
2008-02-13 08:42:32 C 12 51 22.46 +05 24 42.8 c 704
2008-02-13 08:59:53 C 12 51 21.91 +05 24 45.3 c 704
2008-02-13 09:17:16 C 12 51 21.37 +05 24 46.7 c 704
2008-02-13 09:41:36 C 12 51 20.65 +05 24 49.6 r 683
2008-02-13 10:00:53 C 12 51 20.02 +05 24 52.6 r 683
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)