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
2002-02-01 06:28:41 C 07 42 08.20 +61 00 22.4 17.6 c 704
2002-02-01 06:49:56 C 07 42 05.29 +61 00 07.7 17.4 c 704
2002-02-01 07:11:35 C 07 42 02.32 +60 59 52.1 17.4 c 704
2002-02-02 21:00:58 C 07 37 14.17 +60 32 34.3 c 215
2002-02-02 21:01:54 C 07 37 14.05 +60 32 33.5 c 215
2002-02-02 21:02:38 C 07 37 13.95 +60 32 33.2 c 215
2002-02-04 06:02:12 C 07 33 20.143 +60 07 52.13 g 689
2002-02-09 04:57:32 C 07 21 32.50 +58 33 34.7 c 699
2002-02-09 05:35:25 C 07 21 29.17 +58 33 03.2 c 699
2002-02-09 06:13:14 C 07 21 25.76 +58 32 32.4 c 699
2002-02-09 06:51:09 C 07 21 22.46 +58 32 01.5 c 699
2002-02-21 04:04:35 C 07 05 28.36 +54 32 57.2 17.3 c 704
2002-02-21 04:25:06 C 07 05 27.67 +54 32 39.9 17.9 c 704
2002-02-21 04:45:44 C 07 05 27.00 +54 32 22.8 17.8 c 704
2002-02-21 05:07:38 C 07 05 26.28 +54 32 04.5 17.8 c 704
2002-02-21 05:28:43 C 07 05 25.57 +54 31 46.8 18.2 c 704
2002-03-04 04:36:07 C 07 02 00.99 +50 59 46.5 18.7 c 704
2002-03-04 04:58:08 C 07 02 01.09 +50 59 30.1 18.7 c 704
2002-03-04 05:18:55 C 07 02 01.04 +50 59 13.0 18.5 c 704
2002-03-21 02:55:41 C 07 09 26.26 +46 10 21.4 c 704
2002-03-21 03:32:05 C 07 09 27.35 +46 09 57.7 c 704
2002-03-21 03:52:23 C 07 09 27.93 +46 09 44.8 c 704
2002-03-21 04:11:08 C 07 09 28.52 +46 09 32.1 c 704
2002-04-02 03:07:56 C 07 20 18.93 +43 12 24.3 c 704
2002-04-02 03:43:34 C 07 20 20.29 +43 12 02.6 c 704
2002-04-02 04:01:26 C 07 20 21.11 +43 11 52.7 c 704
2002-04-02 04:19:11 C 07 20 21.84 +43 11 42.6 c 704
2002-04-17 03:13:41 C 07 37 38.52 +39 54 06.4 c 704
2002-04-17 03:33:26 C 07 37 39.49 +39 53 56.9 c 704
2002-04-17 03:53:15 C 07 37 40.50 +39 53 46.4 c 704
2003-04-06 18:53:58 C 19 44 58.68 -50 22 15.0 e 428
2003-04-06 18:55:22 C 19 44 59.34 -50 22 15.8 e 428
2003-04-06 18:56:45 C 19 45 00.00 -50 22 16.7 e 428
2003-04-06 19:00:59 C 19 45 02.03 -50 22 19.8 e 428
2003-04-21 19:41:30 C 22 53 33.622 -44 41 22.98 e 413
2003-04-22 19:24:46 C 23 04 13.069 -43 39 37.05 e 413
2003-04-22 19:26:44 C 23 04 13.910 -43 39 32.00 e 413
2003-04-22 19:28:37 C 23 04 14.739 -43 39 26.89 e 413
2003-04-22 19:30:28 C 23 04 15.540 -43 39 22.09 e 413
2003-04-23 19:38:43 C 23 14 39.756 -42 33 08.06 e 413
2003-04-23 19:40:35 C 23 14 40.537 -42 33 02.77 e 413
2003-04-23 19:43:19 C 23 14 41.680 -42 32 55.21 e 413
2003-04-28 18:41:56 C 23 59 35.71 -36 30 33.8 e 428
2003-04-28 18:43:31 C 23 59 36.23 -36 30 28.6 e 428
2003-04-28 18:44:57 C 23 59 36.69 -36 30 24.3 e 428
2003-04-28 18:46:22 C 23 59 37.16 -36 30 19.8 e 428
2003-11-23 09:39:10 C 11 10 05.34 +29 09 22.0 o 704
2003-11-23 09:51:46 C 11 10 05.92 +29 09 22.5 o 704
2003-11-23 10:03:42 C 11 10 06.29 +29 09 23.9 o 704
2003-11-23 10:15:55 C 11 10 06.83 +29 09 23.9 o 704
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)