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
2015-02-15 10:37:31 C 12 27 57.70 +10 45 59.1 N I41
2015-02-15 10:38:27 C 12 27 57.62 +10 45 59.3 R G45
2015-02-15 10:44:25 C 12 27 57.33 +10 46 01.0 R G45
2015-02-15 10:53:53 C 12 27 56.90 +10 46 03.4 R G45
2015-02-15 10:59:51 C 12 27 56.65 +10 46 04.7 R G45
2015-02-16 09:00:53 C 12 26 55.98 +10 51 24.5 N I41
2015-02-16 09:59:21 C 12 26 53.15 +10 51 38.9 N I41
2015-02-16 10:16:53 C 12 26 52.23 +10 51 43.1 R G45
2015-02-16 10:22:46 C 12 26 51.93 +10 51 45.1 R G45
2015-02-16 10:28:43 C 12 26 51.65 +10 51 46.1 R G45
2015-02-16 10:35:02 C 12 26 51.36 +10 51 47.6 R G45
2015-02-16 10:44:30 C 12 26 50.91 +10 51 49.9 R G45
2015-02-16 10:52:04 C 12 26 50.52 +10 51 51.3 R G45
2015-02-17 08:19:19 C 12 25 49.07 +10 57 10.1 N I41
2015-02-17 09:16:24 C 12 25 46.20 +10 57 24.5 N I41
2015-02-17 10:15:06 C 12 25 43.18 +10 57 39.0 R G45
2015-02-17 10:20:58 C 12 25 42.87 +10 57 40.7 R G45
2015-02-17 10:27:14 C 12 25 42.54 +10 57 41.8 R G45
2015-02-17 10:33:11 C 12 25 42.23 +10 57 43.7 R G45
2015-02-17 10:39:44 C 12 25 42.247 +10 57 46.52 L F51
2015-02-17 10:42:39 C 12 25 41.78 +10 57 45.7 R G45
2015-02-17 10:55:17 C 12 25 41.460 +10 57 50.45 L F51
2015-02-17 11:10:54 C 12 25 40.670 +10 57 54.41 L F51
2015-02-17 11:26:28 C 12 25 39.880 +10 57 58.34 L F51
2015-02-18 01:58:45 C 12 24 56.36 +11 01 35.1 q 160
2015-02-18 02:01:45 C 12 24 56.17 +11 01 36.3 q 160
2015-02-18 02:04:43 C 12 24 56.05 +11 01 36.2 q 160
2015-02-18 08:09:58 C 12 24 37.84 +11 03 10.4 N I41
2015-02-18 09:08:00 C 12 24 34.82 +11 03 25.3 N I41
2015-02-18 10:34:42 C 12 24 30.519 +11 03 48.41 L F51
2015-02-18 10:50:42 C 12 24 29.681 +11 03 52.53 L F51
2015-02-18 11:06:14 C 12 24 28.865 +11 03 56.53 L F51
2015-02-18 11:21:46 C 12 24 28.049 +11 04 00.52 L F51
2015-02-18 19:11:26 C 12 24 03.66 +11 05 58.2 q D29
2015-02-18 19:12:42 C 12 24 03.68 +11 05 59.5 q D29
2015-02-18 19:36:49 C 12 24 02.32 +11 06 05.3 q D29
2015-02-18 19:38:06 C 12 24 02.34 +11 06 05.8 q D29
2015-02-18 20:02:13 C 12 24 00.96 +11 06 12.0 q D29
2015-02-18 20:03:29 C 12 24 00.95 +11 06 13.0 q D29
2015-02-19 02:16:56 C 12 23 41.75 +11 07 48.5 q 160
2015-02-19 02:19:52 C 12 23 41.57 +11 07 47.7 q 160
2015-02-19 10:08:55 C 12 23 16.88 +11 09 50.5 R G45
2015-02-19 10:15:10 C 12 23 16.50 +11 09 52.1 R G45
2015-02-19 10:21:08 C 12 23 16.18 +11 09 53.8 R G45
2015-02-19 10:30:36 C 12 23 15.68 +11 09 55.9 R G45
2015-02-19 10:36:33 C 12 23 15.38 +11 09 57.6 R G45
2015-02-20 02:14:45 C 12 22 25.18 +11 14 01.3 q 160
2015-02-20 02:17:41 C 12 22 25.04 +11 14 01.4 q 160
2015-02-20 02:20:36 C 12 22 24.81 +11 14 00.8 q 160
2015-02-26 05:35:27 C 12 13 36.53 +11 53 54.4 R G45
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)