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
2015-04-21 12:48:08 C 10 34 46.98 +13 55 03.5 q D29
2015-04-22 04:28:00 C 10 34 03.73 +13 52 02.9 q 703
2015-04-22 04:37:26 C 10 34 03.30 +13 52 00.6 q 703
2015-04-22 04:46:53 C 10 34 02.87 +13 51 59.2 q 703
2015-04-22 04:56:18 C 10 34 02.43 +13 51 57.3 q 703
2015-04-23 08:29:56 C 10 32 49.332 +13 46 25.79 L F52
2015-04-23 08:52:15 C 10 32 48.332 +13 46 21.12 L F52
2015-04-23 09:14:26 C 10 32 47.342 +13 46 16.46 L F52
2015-04-23 09:36:31 C 10 32 46.359 +13 46 11.82 L F52
2015-05-01 03:19:55 C 10 26 12.78 +13 02 01.0 u H21
2015-05-01 03:23:01 C 10 26 12.69 +13 02 00.0 u H21
2015-05-01 03:26:07 C 10 26 12.60 +13 01 59.1 u H21
2015-05-01 03:29:13 C 10 26 12.51 +13 01 58.1 u H21
2015-05-01 03:32:18 C 10 26 12.43 +13 01 57.5 u H21
2015-05-01 03:35:22 C 10 26 12.34 +13 01 56.8 u H21
2015-05-01 03:38:26 C 10 26 12.26 +13 01 56.1 u H21
2015-05-01 03:41:49 C 10 26 12.16 +13 01 55.0 u H21
2015-05-02 02:00:45 C 10 25 36.18 +12 55 53.3 u H21
2015-05-02 02:06:56 C 10 25 36.02 +12 55 51.7 u H21
2015-05-02 02:09:58 C 10 25 35.94 +12 55 51.0 u H21
2015-05-02 02:12:54 C 10 25 35.86 +12 55 50.1 u H21
2015-05-02 02:15:51 C 10 25 35.77 +12 55 49.5 u H21
2015-05-02 02:18:47 C 10 25 35.71 +12 55 48.8 u H21
2015-05-02 02:21:42 C 10 25 35.61 +12 55 48.2 u H21
2015-05-04 04:11:24 C 10 24 23.19 +12 41 49.7 q H21
2015-05-04 04:15:07 C 10 24 23.11 +12 41 48.2 q H21
2015-05-04 04:18:50 C 10 24 23.01 +12 41 47.4 q H21
2015-05-04 04:22:33 C 10 24 22.93 +12 41 46.3 q H21
2015-05-04 04:26:16 C 10 24 22.85 +12 41 45.1 q H21
2015-05-06 02:05:01 C 10 23 26.81 +12 28 22.7 u H21
2015-05-06 02:08:27 C 10 23 26.73 +12 28 21.6 u H21
2015-05-06 02:11:58 C 10 23 26.66 +12 28 20.5 u H21
2015-05-10 03:40:16 C 10 21 57.44 +11 58 02.5 q 703
2015-05-10 03:46:04 C 10 21 57.25 +11 57 58.6 q 703
2015-05-10 03:51:52 C 10 21 57.19 +11 57 56.4 q 703
2015-05-10 03:57:41 C 10 21 56.97 +11 57 52.8 q 703
2015-05-15 11:36:00 S 10 21 00.742 +11 14 51.54 L C51
2015-05-16 01:46:39 S 10 20 58.486 +11 09 48.96 L C51
2015-05-20 04:01:53 C 10 21 03.49 +10 33 54.6 q 703
2015-05-20 04:10:40 C 10 21 03.49 +10 33 51.5 q 703
2015-05-20 04:19:28 C 10 21 03.56 +10 33 48.3 q 703
2015-05-20 04:28:15 C 10 21 03.55 +10 33 44.9 q 703
2015-05-30 03:49:03 C 10 23 37.84 +08 58 26.3 q 703
2015-05-30 03:55:35 C 10 23 37.98 +08 58 23.3 q 703
2015-05-30 04:02:07 C 10 23 38.00 +08 58 20.5 q 703
2015-05-30 04:08:39 C 10 23 38.13 +08 58 17.7 q 703
2015-06-07 03:43:38 C 10 27 47.39 +07 34 28.5 q 703
2015-06-07 03:50:54 C 10 27 47.56 +07 34 25.2 q 703
2015-06-07 03:58:10 C 10 27 47.80 +07 34 21.4 q 703
2015-06-07 04:05:26 C 10 27 47.93 +07 34 19.0 q 703
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)