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
2009-01-14 15:11:28 C 06 06 52.33 +72 39 55.7 m 379
2009-01-15 14:33:07 C 06 03 08.09 +72 09 02.2 m 379
2009-01-15 14:35:47 C 06 03 07.67 +72 08 58.7 m 379
2009-01-15 14:38:28 C 06 03 07.22 +72 08 55.4 m 379
2009-01-15 14:47:49 C 06 03 05.68 +72 08 42.7 m 379
2009-01-15 14:50:29 C 06 03 05.27 +72 08 38.9 m 379
2009-01-15 14:59:47 C 06 03 03.81 +72 08 26.4 m 379
2009-01-15 15:09:08 C 06 03 02.31 +72 08 14.0 m 379
2009-01-15 15:11:49 C 06 03 01.93 +72 08 10.6 m 379
2009-01-15 15:14:29 C 06 03 01.48 +72 08 06.8 m 379
2009-01-15 19:29:55 C 06 02 25.09 +72 02 25.7 o 510
2009-01-15 19:34:03 C 06 02 24.42 +72 02 20.0 o 510
2009-01-15 19:38:11 C 06 02 23.67 +72 02 14.5 o 510
2009-01-15 19:42:03 C 06 02 23.22 +72 02 09.2 c 127
2009-01-15 19:47:30 C 06 02 22.37 +72 02 02.1 c 127
2009-01-15 20:04:55 C 06 02 19.69 +72 01 39.4 c 127
2009-01-20 20:29:21 C 05 48 38.34 +69 21 05.1 c 127
2009-01-20 20:35:31 C 05 48 37.81 +69 20 56.9 c 127
2009-01-20 20:42:43 C 05 48 37.14 +69 20 47.5 c 127
2009-01-20 20:49:01 C 05 48 36.61 +69 20 39.3 c 127
2009-01-21 03:55:49 C 05 48 02.01 +69 11 15.3 r 703
2009-01-21 04:01:11 C 05 48 01.51 +69 11 07.9 r 703
2009-01-21 04:06:35 C 05 48 01.08 +69 11 00.8 r 703
2009-01-21 04:12:01 C 05 48 00.57 +69 10 53.9 r 703
2009-01-21 19:34:01 C 05 46 49.68 +68 50 28.4 c 127
2009-01-21 19:57:01 C 05 46 47.90 +68 49 58.3 c 127
2009-01-21 20:02:05 C 05 46 47.48 +68 49 51.3 c 127
2009-01-21 20:07:08 C 05 46 47.08 +68 49 44.9 c 127
2009-01-23 03:08:49 C 05 44 39.53 +68 08 40.4 17.3 o C20
2009-01-24 02:15:52 C 05 43 19.36 +67 38 26.4 16.2 o C20
2009-01-24 02:17:59 C 05 43 19.27 +67 38 23.7 16.2 o C20
2009-01-28 21:31:20 C 05 39 05.33 +65 11 18.6 o 510
2009-01-28 21:35:42 C 05 39 05.26 +65 11 13.1 o 510
2009-01-28 21:40:05 C 05 39 05.15 +65 11 07.8 o 510
2009-01-29 00:02:19 C 05 39 01.25 +65 08 05.8 16.6 o C20
2009-01-29 00:04:26 C 05 39 01.18 +65 08 03.0 16.7 o C20
2009-01-30 20:19:42 C 05 38 19.43 +64 13 35.4 c J46
2009-01-30 20:22:16 C 05 38 19.36 +64 13 32.4 c J46
2009-01-30 20:24:50 C 05 38 19.28 +64 13 29.4 c J46
2009-01-30 20:33:46 C 05 38 18.13 +64 13 15.5 16.3 o C20
2009-01-30 20:35:53 C 05 38 18.10 +64 13 12.9 16.3 o C20
2009-01-31 18:48:19 C 05 38 06.00 +63 46 15.2 17.5 o 084
2009-01-31 18:50:31 C 05 38 06.09 +63 46 12.1 16.4 o 084
2009-02-03 18:53:11 C 05 38 01.73 +62 20 55.8 16.7 o 084
2009-02-03 23:18:41 C 05 38 02.58 +62 15 45.4 16.6 o 084
2009-02-04 03:45:28 C 05 38 04.72 +62 10 43.1 c 704
2009-02-04 04:02:23 C 05 38 04.76 +62 10 23.7 c 704
2009-02-04 04:20:00 C 05 38 04.76 +62 10 03.1 c 704
2009-02-04 04:36:49 C 05 38 04.82 +62 09 43.8 c 704
2009-02-04 04:53:49 C 05 38 04.84 +62 09 23.9 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)