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
2010-12-14 11:05:42 C 11 14 30.94 +35 01 31.1 r 703
2010-12-14 11:15:39 C 11 14 30.98 +35 01 34.4 r 703
2010-12-14 11:25:39 C 11 14 31.05 +35 01 39.2 r 703
2010-12-14 11:35:38 C 11 14 31.05 +35 01 42.2 r 703
2010-12-15 01:06:02 C 11 14 35.55 +35 07 08.7 r J75
2010-12-15 01:20:15 C 11 14 35.59 +35 07 13.6 r J75
2010-12-15 01:34:29 C 11 14 35.64 +35 07 20.0 r J75
2010-12-16 02:18:16 C 11 14 41.05 +35 17 33.1 r J75
2010-12-16 02:32:28 C 11 14 41.07 +35 17 39.6 r J75
2010-12-16 02:46:43 C 11 14 41.10 +35 17 46.2 r J75
2010-12-29 09:29:19 C 11 11 00.14 +37 53 05.1 c 704
2010-12-29 09:47:58 C 11 10 59.60 +37 53 15.6 c 704
2010-12-29 10:06:42 C 11 10 59.03 +37 53 25.7 c 704
2010-12-29 10:25:26 C 11 10 58.51 +37 53 36.1 c 704
2010-12-29 10:44:14 C 11 10 57.94 +37 53 46.6 c 704
2010-12-31 19:17:04 C 11 09 16.15 +38 25 10.4 m 355
2010-12-31 19:21:40 C 11 09 16.01 +38 25 13.0 m 355
2010-12-31 19:24:44 C 11 09 15.84 +38 25 15.2 m 355
2010-12-31 19:26:17 C 11 09 15.83 +38 25 16.1 m 355
2010-12-31 19:27:50 C 11 09 15.77 +38 25 16.4 m 355
2011-01-12 23:47:59 C 10 54 53.47 +41 14 57.9 r J75
2011-01-13 00:03:10 C 10 54 52.47 +41 15 07.0 r J75
2011-01-13 00:18:19 C 10 54 51.48 +41 15 15.8 r J75
2011-01-15 07:21:49 C 10 51 04.28 +41 46 44.1 r 703
2011-01-15 07:31:43 C 10 51 03.38 +41 46 49.6 r 703
2011-01-15 07:41:30 C 10 51 02.77 +41 46 54.9 r 703
2011-01-15 07:51:24 C 10 51 02.05 +41 47 00.2 r 703
2011-02-02 19:37:43 C 10 09 53.66 +45 03 08.8 u J28
2011-02-02 20:22:22 C 10 09 48.81 +45 03 21.0 u J28
2011-02-04 23:08:22 C 10 04 17.16 +45 15 30.8 c A24
2011-02-04 23:09:44 C 10 04 17.00 +45 15 31.2 c A24
2011-02-04 23:32:20 C 10 04 14.49 +45 15 36.0 c A24
2011-02-04 23:56:19 C 10 04 11.82 +45 15 41.3 c A24
2011-02-05 00:18:56 C 10 04 09.30 +45 15 46.1 c A24
2011-02-05 00:20:18 C 10 04 09.15 +45 15 46.3 c A24
2011-02-05 22:14:06 C 10 01 45.31 +45 20 10.2 c A24
2011-02-05 22:15:28 C 10 01 45.18 +45 20 09.2 c A24
2011-02-05 22:38:07 C 10 01 42.65 +45 20 13.7 c A24
2011-02-05 23:01:42 C 10 01 40.03 +45 20 18.3 c A24
2011-02-05 23:24:49 C 10 01 37.36 +45 20 21.8 c A24
2011-02-05 23:26:11 C 10 01 37.34 +45 20 22.9 c A24
2011-02-06 00:31:15 C 10 01 30.04 +45 20 35.1 w B19
2011-02-06 00:46:52 C 10 01 28.30 +45 20 38.1 w B19
2011-02-06 01:02:28 C 10 01 26.57 +45 20 40.7 w B19
2011-02-07 21:44:47 C 09 56 31.79 +45 27 53.7 c A24
2011-02-07 21:46:09 C 09 56 31.66 +45 27 54.0 c A24
2011-02-08 22:13:52 C 09 53 50.06 +45 30 57.2 c A24
2011-02-08 22:15:14 C 09 53 49.94 +45 30 57.4 c A24
2011-02-10 22:12:16 C 09 48 34.51 +45 35 04.3 u J28
2011-02-10 22:34:09 C 09 48 31.99 +45 35 06.1 c A24
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)