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
2001-03-29 07:57:55 C 12 05 14.64 +01 09 05.8 16.0 c 704
2001-03-29 08:19:49 C 12 05 12.23 +01 09 08.8 16.7 c 704
2001-03-30 05:59:57 C 12 02 53.03 +01 11 56.5 670
2001-03-30 10:18:45 C 12 02 24.56 +01 12 29.4 670
2001-03-31 21:42:36 C 11 58 35.69 +01 16 53.1 18.4 939
2001-03-31 21:56:17 C 11 58 34.17 +01 16 55.0 18.8 939
2001-03-31 22:09:48 C 11 58 32.71 +01 16 56.8 19.4 939
2001-04-01 06:17:48 C 11 57 39.14 +01 17 58.7 16.5 c 704
2001-04-01 06:38:33 C 11 57 36.82 +01 18 01.0 17.1 c 704
2001-04-01 06:59:19 C 11 57 34.52 +01 18 03.5 17.6 c 704
2001-04-01 07:20:14 C 11 57 32.20 +01 18 06.1 17.4 c 704
2001-04-01 07:41:01 C 11 57 29.88 +01 18 08.7 17.0 c 704
2001-04-01 19:28:16 C 11 56 13.40 +01 19 31.4 557
2001-04-01 20:15:12 C 11 56 08.21 +01 19 36.4 151
2001-04-01 20:18:24 C 11 56 07.90 +01 19 37.6 151
2001-04-01 20:22:56 C 11 56 07.37 +01 19 37.9 151
2001-04-01 20:25:28 C 11 56 07.06 +01 19 38.1 557
2001-04-01 20:27:04 C 11 56 06.95 +01 19 38.2 151
2001-04-01 20:30:35 C 11 56 06.55 +01 19 39.1 151
2001-04-01 21:13:47 C 11 56 01.74 +01 19 43.8 557
2001-04-01 22:38:14 C 11 55 52.35 +01 19 53.9 557
2001-04-01 23:44:49 C 11 55 44.98 +01 20 01.6 557
2001-04-02 00:46:10 C 11 55 38.21 +01 20 09.0 557
2001-04-02 01:38:15 C 11 55 32.47 +01 20 15.0 557
2001-04-02 20:40:57 C 11 53 28.43 +01 22 28.7 557
2001-04-02 21:04:13 C 11 53 25.85 +01 22 31.3 557
2001-04-02 21:23:54 C 11 53 23.64 +01 22 33.4 557
2001-04-02 21:52:16 C 11 53 20.56 +01 22 37.0 557
2001-04-02 22:20:43 C 11 53 17.41 +01 22 39.9 557
2001-04-02 22:40:26 C 11 53 15.23 +01 22 42.4 557
2001-04-03 19:18:25 C 11 51 00.51 +01 25 00.7 151
2001-04-03 19:20:42 C 11 51 00.18 +01 25 02.4 151
2001-04-03 19:24:59 C 11 50 59.79 +01 25 03.8 151
2001-04-10 03:57:35 C 11 34 30.92 +01 39 25.9 844
2001-04-10 04:34:34 C 11 34 26.92 +01 39 28.5 844
2001-04-10 04:47:15 C 11 34 25.43 +01 39 29.6 844
2001-04-12 04:10:16 C 11 29 27.82 +01 42 22.3 642
2001-04-12 04:12:11 C 11 29 27.52 +01 42 22.7 642
2001-04-12 04:16:03 C 11 29 27.07 +01 42 22.9 642
2001-04-12 04:29:04 C 11 29 25.73 +01 42 24.1 642
2001-04-12 04:32:56 C 11 29 25.35 +01 42 24.5 642
2001-04-14 19:23:01 C 11 23 00.01 +01 45 25.0 610
2001-04-14 19:28:01 C 11 22 59.50 +01 45 25.3 610
2001-04-14 19:33:02 C 11 22 59.00 +01 45 25.6 610
2001-04-14 19:38:02 C 11 22 58.49 +01 45 25.8 610
2001-04-14 19:43:01 C 11 22 57.98 +01 45 26.1 610
2001-04-14 20:41:29 C 11 22 52.02 +01 45 27.8 130
2001-04-14 20:52:29 C 11 22 50.88 +01 45 28.2 130
2001-04-14 21:08:59 C 11 22 49.15 +01 45 28.9 130
2001-04-16 02:07:09 C 11 19 56.71 +01 46 24.2 739
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)