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
2006-02-05 02:28:56 C 11 48 42.34 +22 19 26.4 r 201
2006-02-05 03:26:02 C 11 48 39.39 +22 19 48.2 r 201
2006-02-05 04:20:45 C 11 48 36.49 +22 20 07.9 r 201
2006-02-10 22:51:21 C 11 40 48.50 +23 12 01.7 r A13
2006-02-10 23:14:01 C 11 40 47.07 +23 12 10.6 r A13
2006-02-10 23:37:18 C 11 40 45.64 +23 12 19.2 r A13
2006-02-20 06:53:48 C 11 25 27.22 +24 31 46.8 c 704
2006-02-20 07:10:56 C 11 25 25.93 +24 31 52.5 c 704
2006-02-20 07:28:12 C 11 25 24.60 +24 31 58.2 c 704
2006-02-20 07:45:21 C 11 25 23.32 +24 32 03.8 c 704
2006-02-20 08:02:29 C 11 25 21.97 +24 32 09.4 c 704
2006-02-26 07:58:26 C 11 14 06.82 +25 15 42.9 r 703
2006-02-26 08:05:21 C 11 14 06.28 +25 15 44.7 r 703
2006-02-26 08:12:17 C 11 14 05.67 +25 15 46.4 r 703
2006-02-26 08:19:13 C 11 14 05.06 +25 15 48.2 r 703
2006-02-28 07:58:29 C 11 10 12.28 +25 28 13.1 r 703
2006-02-28 08:05:30 C 11 10 11.71 +25 28 14.8 r 703
2006-02-28 08:12:32 C 11 10 11.10 +25 28 16.5 r 703
2006-02-28 08:19:33 C 11 10 10.52 +25 28 17.7 r 703
2006-03-03 08:31:00 C 11 04 12.51 +25 44 50.7 o 699
2006-03-03 08:57:19 C 11 04 10.34 +25 44 55.8 o 699
2006-03-03 09:23:39 C 11 04 08.11 +25 45 01.7 o 699
2006-03-03 09:49:58 C 11 04 05.84 +25 45 06.6 o 699
2006-03-17 21:57:48 C 10 35 49.10 +26 20 41.6 r 084
2006-03-17 22:02:57 C 10 35 48.72 +26 20 41.7 r 084
2006-03-18 06:12:29 C 10 35 11.54 +26 20 40.5 c 704
2006-03-18 06:29:12 C 10 35 10.25 +26 20 40.3 c 704
2006-03-18 07:02:21 C 10 35 07.67 +26 20 40.0 c 704
2006-03-18 19:50:54 C 10 34 10.03 +26 20 25.3 r 240
2006-03-18 19:54:35 C 10 34 09.75 +26 20 25.3 r 240
2006-03-18 19:58:17 C 10 34 09.46 +26 20 25.3 r 240
2006-03-18 19:59:31 C 10 34 09.37 +26 20 25.2 r 240
2006-03-18 20:03:12 C 10 34 09.10 +26 20 25.1 r 240
2006-03-18 20:10:35 C 10 34 08.54 +26 20 25.1 r 240
2006-03-18 20:13:03 C 10 34 08.35 +26 20 25.0 r 240
2006-03-18 20:15:31 C 10 34 08.18 +26 20 25.0 r 240
2006-03-22 23:17:38 C 10 26 57.02 +26 15 28.3 r 084
2006-03-22 23:22:47 C 10 26 56.63 +26 15 28.1 r 084
2006-03-24 05:55:45 C 10 24 50.65 +26 12 51.4 r 703
2006-03-24 06:05:22 C 10 24 49.96 +26 12 50.2 r 703
2006-03-24 06:14:56 C 10 24 49.28 +26 12 49.3 r 703
2006-03-24 06:24:34 C 10 24 48.63 +26 12 49.4 r 703
2006-03-31 03:23:14 C 10 14 31.96 +25 49 46.6 c 699
2006-03-31 03:59:58 C 10 14 29.90 +25 49 40.5 c 699
2006-03-31 04:36:51 C 10 14 27.73 +25 49 33.5 c 699
2006-03-31 05:13:41 C 10 14 25.62 +25 49 27.6 c 699
2006-03-31 18:57:11 C 10 13 39.83 +25 46 52.9 o 151
2006-03-31 18:58:54 C 10 13 39.72 +25 46 53.2 o 151
2006-03-31 19:00:37 C 10 13 39.55 +25 46 53.9 o 151
2006-03-31 19:03:58 C 10 13 39.39 +25 46 51.8 o 151
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)