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
2010-02-03 02:21:00 C 14 26 47.71 -14 36 41.9 18.8 u C20
2010-02-03 02:25:15 C 14 26 47.93 -14 36 44.3 18.2 u C20
2010-02-07 02:35:38 C 14 31 33.38 -15 34 54.3 18.0 u C20
2010-02-07 02:39:52 C 14 31 33.57 -15 34 57.0 18.0 u C20
2010-02-07 02:51:19 C 14 31 34.11 -15 35 04.0 r 114
2010-02-07 02:56:42 C 14 31 34.36 -15 35 07.1 r 114
2010-02-07 03:02:19 C 14 31 34.64 -15 35 10.5 r 114
2010-02-07 03:07:56 C 14 31 34.92 -15 35 14.1 r 114
2010-02-08 01:43:48 C 14 32 41.07 -15 49 16.9 18.0 u C20
2010-02-08 01:48:04 C 14 32 41.28 -15 49 19.5 18.0 u C20
2010-02-11 02:45:22 C 14 36 11.53 -16 35 45.3 17.9 u C20
2010-02-11 02:49:36 C 14 36 11.72 -16 35 48.1 18.0 u C20
2010-02-13 15:04:21 C 14 39 01.959 -17 15 29.62 L F51
2010-02-13 15:16:07 C 14 39 02.489 -17 15 37.49 L F51
2010-02-16 11:11:03 C 14 42 10.15 -18 02 08.0 r 703
2010-02-16 11:20:38 C 14 42 10.58 -18 02 14.7 r 703
2010-02-16 11:30:23 C 14 42 11.01 -18 02 21.1 r 703
2010-02-16 11:40:07 C 14 42 11.41 -18 02 28.3 r 703
2010-02-17 09:39:42 C 14 43 11.39 -18 17 54.2 c 704
2010-02-17 09:57:33 C 14 43 12.20 -18 18 07.8 c 704
2010-02-17 10:15:20 C 14 43 12.94 -18 18 20.4 c 704
2010-02-17 10:33:14 C 14 43 13.76 -18 18 33.7 c 704
2010-02-17 10:50:59 C 14 43 14.55 -18 18 46.1 c 704
2010-02-20 02:53:51 C 14 46 05.11 -19 05 15.1 18.2 u C20
2010-02-20 02:58:12 C 14 46 05.29 -19 05 18.4 18.0 u C20
2010-02-24 01:09:07 C 14 50 08.21 -20 17 35.3 17.8 u C20
2010-02-24 01:13:27 C 14 50 08.38 -20 17 39.0 18.1 u C20
2010-02-26 00:01:25 C 14 52 05.11 -20 55 34.8 18.1 u C20
2010-02-26 00:05:48 C 14 52 05.28 -20 55 38.4 17.9 u C20
2010-02-27 15:37:48 C 14 53 41.258 -21 28 49.74 L F51
2010-02-27 15:53:40 C 14 53 41.862 -21 29 03.24 L F51
2010-03-01 23:58:05 C 14 55 54.99 -22 18 13.8 16.9 u C20
2010-03-02 00:00:12 C 14 55 55.08 -22 18 15.7 17.1 u C20
2010-03-02 00:02:19 C 14 55 55.14 -22 18 17.5 17.0 u C20
2010-03-31 04:52:31 C 15 13 40.42 -38 35 48.4 r I20
2010-03-31 04:57:16 C 15 13 40.42 -38 35 59.0 r I20
2010-03-31 05:01:56 C 15 13 40.40 -38 36 09.3 r I20
2010-03-31 05:12:43 C 15 13 40.42 -38 36 33.5 r I20
2010-03-31 05:19:10 C 15 13 40.40 -38 36 47.5 r I20
2010-05-06 17:24:16 S 05 06 36.686 -70 53 44.45 L C51
2010-05-06 20:34:47 S 05 05 10.567 -70 33 58.43 L C51
2010-10-28 11:56:10 C 10 28 50.84 +32 11 33.5 r 703
2010-10-28 12:06:29 C 10 28 51.56 +32 11 32.8 r 703
2010-10-28 12:16:36 C 10 28 52.21 +32 11 32.4 r 703
2010-10-28 12:26:41 C 10 28 52.89 +32 11 32.4 r 703
2010-11-30 11:05:57 C 11 08 26.33 +33 14 01.5 c 704
2010-11-30 11:24:25 C 11 08 26.85 +33 14 05.8 c 704
2010-11-30 11:42:54 C 11 08 27.36 +33 14 10.7 c 704
2010-11-30 12:01:22 C 11 08 27.87 +33 14 15.3 c 704
2010-11-30 12:19:49 C 11 08 28.35 +33 14 18.5 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)