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
2001-03-04 07:34:45 C 12 57 16.00 -00 01 21.1 18.0 739
2001-03-04 07:42:55 C 12 57 15.45 -00 01 21.3 17.8 739
2001-03-04 07:54:01 C 12 57 14.77 -00 01 20.6 17.8 739
2001-03-13 04:47:14 C 12 42 20.40 +00 18 36.4 18.0 739
2001-03-13 04:49:15 C 12 42 20.34 +00 18 36.9 18.1 739
2001-03-13 04:53:30 C 12 42 19.99 +00 18 37.0 17.8 739
2001-03-13 04:57:20 C 12 42 19.61 +00 18 37.9 18.1 739
2001-03-15 03:02:11 C 12 38 31.33 +00 24 13.1 844
2001-03-15 03:40:51 C 12 38 27.90 +00 24 17.9 844
2001-03-15 03:50:05 C 12 38 27.16 +00 24 18.1 844
2001-03-17 07:25:10 C 12 33 57.91 +00 30 30.3 670
2001-03-17 11:12:08 C 12 33 37.17 +00 30 59.7 670
2001-03-19 06:06:48 C 12 29 42.28 +00 36 32.7 c 699
2001-03-19 06:57:29 C 12 29 37.45 +00 36 40.2 d 691
2001-03-19 06:59:33 C 12 29 37.25 +00 36 39.6 c 699
2001-03-19 07:24:49 C 12 29 34.79 +00 36 43.1 c 704
2001-03-19 07:28:06 C 12 29 34.53 +00 36 44.3 d 691
2001-03-19 07:32:53 C 12 29 34.04 +00 36 44.2 c 704
2001-03-19 07:43:52 C 12 29 32.96 +00 36 45.7 c 704
2001-03-19 07:51:55 C 12 29 32.23 +00 36 46.7 c 704
2001-03-19 07:52:25 C 12 29 32.23 +00 36 46.5 c 699
2001-03-19 07:59:58 C 12 29 31.49 +00 36 48.5 d 691
2001-03-19 08:02:57 C 12 29 31.12 +00 36 48.3 c 704
2001-03-19 08:13:19 C 12 29 30.18 +00 36 49.7 c 704
2001-03-19 08:21:59 C 12 29 29.31 +00 36 50.6 c 704
2001-03-19 08:33:38 C 12 29 28.24 +00 36 52.5 c 704
2001-03-19 08:41:03 C 12 29 27.50 +00 36 53.2 c 704
2001-03-19 08:45:25 C 12 29 27.14 +00 36 53.5 c 699
2001-03-19 08:54:20 C 12 29 26.27 +00 36 55.5 c 704
2001-03-21 10:09:17 C 12 24 44.92 +00 43 28.8 16.7 c 608
2001-03-21 10:24:06 C 12 24 43.46 +00 43 30.8 16.6 c 608
2001-03-21 10:39:40 C 12 24 41.89 +00 43 33.1 16.5 c 608
2001-03-23 06:29:54 C 12 20 22.60 +00 49 29.4 c 699
2001-03-23 06:52:19 C 12 20 20.30 +00 49 32.5 c 699
2001-03-23 07:14:46 C 12 20 18.02 +00 49 35.5 c 699
2001-03-23 07:37:13 C 12 20 15.71 +00 49 38.6 c 699
2001-03-24 06:06:31 C 12 17 59.76 +00 52 43.1 c 704
2001-03-24 06:24:59 C 12 17 57.85 +00 52 45.4 c 704
2001-03-24 06:43:25 C 12 17 55.94 +00 52 47.7 c 704
2001-03-24 07:01:52 C 12 17 54.02 +00 52 50.5 c 704
2001-03-24 07:20:18 C 12 17 52.09 +00 52 52.6 c 704
2001-03-27 06:22:11 C 12 10 31.08 +01 02 31.1 670
2001-03-27 10:27:09 C 12 10 04.74 +01 03 04.2 670
2001-03-29 05:24:44 C 12 05 31.49 +01 08 45.1 c 699
2001-03-29 06:05:20 C 12 05 27.02 +01 08 50.9 c 699
2001-03-29 06:45:45 C 12 05 22.61 +01 08 56.3 c 699
2001-03-29 06:51:45 C 12 05 21.87 +01 08 57.5 16.6 c 704
2001-03-29 07:12:58 C 12 05 19.56 +01 08 59.9 16.8 c 704
2001-03-29 07:26:10 C 12 05 18.18 +01 09 01.4 c 699
2001-03-29 07:35:55 C 12 05 17.06 +01 09 02.9 16.9 c 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)