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
2001-04-16 02:09:42 C 11 19 56.49 +01 46 24.4 17.4 739
2001-04-16 02:12:58 C 11 19 56.18 +01 46 24.6 17.4 739
2001-04-18 04:55:58 C 11 15 02.09 +01 47 19.7 17.1 c 704
2001-04-18 05:14:53 C 11 15 00.22 +01 47 20.3 17.1 c 704
2001-04-18 05:33:43 C 11 14 58.41 +01 47 19.2 17.4 c 704
2001-04-18 05:52:32 C 11 14 56.53 +01 47 20.4 17.9 c 704
2001-04-18 06:11:22 C 11 14 54.75 +01 47 20.6 17.7 c 704
2001-04-20 00:57:10 C 11 10 56.72 +01 47 32.4 808
2001-04-20 02:01:00 C 11 10 50.73 +01 47 31.9 808
2001-04-24 00:41:30 C 11 02 36.87 +01 45 01.7 808
2001-04-24 01:21:30 C 11 02 33.43 +01 44 59.9 808
2001-04-26 05:36:48 C 10 58 22.03 +01 41 55.0 15.4 c 644
2001-04-26 05:52:28 C 10 58 20.77 +01 41 54.0 15.5 c 644
2001-04-26 06:08:12 C 10 58 19.52 +01 41 52.9 15.7 c 644
2001-04-28 06:43:36 C 10 54 40.74 +01 38 13.8 17.3 c 608
2001-04-28 06:58:54 C 10 54 39.56 +01 38 12.4 17.1 c 608
2001-04-28 07:14:07 C 10 54 38.40 +01 38 11.2 17.0 c 608
2001-04-30 05:06:43 C 10 51 24.60 +01 33 49.6 17.0 c 704
2001-04-30 05:26:43 C 10 51 23.20 +01 33 46.9 17.4 c 704
2001-04-30 05:45:10 C 10 51 21.91 +01 33 45.6 17.1 c 704
2001-04-30 06:03:47 C 10 51 20.61 +01 33 43.2 18.0 c 704
2001-04-30 06:22:36 C 10 51 19.30 +01 33 41.3 16.9 c 704
2001-05-01 05:04:06 C 10 49 48.57 +01 31 13.2 16.3 c 704
2001-05-01 05:23:25 C 10 49 47.28 +01 31 11.2 16.3 c 704
2001-05-01 05:42:49 C 10 49 45.99 +01 31 08.2 16.2 c 704
2001-05-01 06:02:45 C 10 49 44.65 +01 31 06.6 16.1 c 704
2001-05-08 09:27:51 C 10 40 00.10 +01 06 04.5 18.0 c 608
2001-05-08 09:43:28 C 10 39 59.32 +01 06 01.8 18.3 c 608
2001-05-08 09:58:49 C 10 39 58.55 +01 05 59.1 18.5 c 608
2001-05-14 02:09:38 C 10 34 19.05 +00 38 14.2 739
2001-05-14 02:14:47 C 10 34 18.79 +00 38 14.1 739
2001-05-14 02:31:56 C 10 34 18.19 +00 38 09.4 739
2001-05-16 05:56:32 C 10 32 37.36 +00 26 04.2 t 608
2001-05-16 06:11:56 C 10 32 36.85 +00 26 00.5 t 608
2001-05-17 03:40:37 C 10 31 58.86 +00 20 37.7 17.1 c 704
2001-05-17 03:57:00 C 10 31 58.40 +00 20 33.7 18.1 c 704
2001-05-17 04:31:32 C 10 31 57.38 +00 20 24.6 18.0 c 704
2001-05-17 04:48:53 C 10 31 56.84 +00 20 20.5 18.1 c 704
2001-05-17 20:51:52 C 10 31 30.32 +00 16 12.5 163
2001-05-17 20:59:14 C 10 31 30.17 +00 16 10.6 163
2001-05-17 21:04:14 C 10 31 29.99 +00 16 09.2 163
2001-05-17 21:14:38 C 10 31 29.68 +00 16 07.1 163
2001-05-17 21:22:47 C 10 31 29.45 +00 16 04.9 163
2001-05-18 03:55:32 C 10 31 19.07 +00 14 24.3 16.6 c 704
2001-05-18 04:11:53 C 10 31 18.63 +00 14 20.5 16.4 c 704
2001-05-18 04:28:18 C 10 31 18.15 +00 14 15.6 15.9 c 704
2001-05-18 04:44:47 C 10 31 17.69 +00 14 11.3 15.9 c 704
2001-06-03 06:46:26 C 10 27 07.17 -01 51 07.0 18.1 c 608
2001-06-03 07:01:00 C 10 27 07.17 -01 51 12.8 18.5 c 608
2001-06-03 07:16:24 C 10 27 07.21 -01 51 18.4 18.1 c 608
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)