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
2022-12-17 01:39:57 C 20 57 31.136 +06 35 32.57 V 703
2022-12-17 01:48:10 C 20 57 33.102 +06 36 01.84 V 703
2022-12-22 10:18:04 C 21 28 49.25 +14 05 20.2 V D29
2022-12-22 10:38:26 C 21 28 54.19 +14 06 29.2 V D29
2022-12-22 10:58:48 C 21 28 59.14 +14 07 38.3 V D29
2022-12-24 01:30:24 C 21 38 27.222 +16 16 50.92 V 703
2022-12-24 01:38:01 C 21 38 29.076 +16 17 16.15 V 703
2022-12-24 01:45:38 C 21 38 30.919 +16 17 41.24 V 703
2022-12-24 01:53:15 C 21 38 32.788 +16 18 06.37 V 703
2022-12-27 01:31:40 C 21 56 16.127 +20 08 27.35 V 703
2022-12-27 01:39:54 C 21 56 18.154 +20 08 52.91 V 703
2022-12-27 01:48:07 C 21 56 20.170 +20 09 18.18 V 703
2022-12-27 01:56:21 C 21 56 22.196 +20 09 43.88 V 703
2023-01-09 02:13:21 C 23 14 53.056 +33 36 49.36 V 703
2023-01-09 02:20:54 C 23 14 54.931 +33 37 04.66 V 703
2023-01-09 02:28:27 C 23 14 56.821 +33 37 19.67 V 703
2023-01-09 02:36:00 C 23 14 58.715 +33 37 34.32 V 703
2023-01-10 19:23:36 C 23 25 15.77 +34 57 11.8 V M14
2023-01-10 19:29:09 C 23 25 17.08 +34 57 22.8 Z L74
2023-01-10 19:33:06 C 23 25 18.08 +34 57 29.9 Z L74
2023-01-10 19:36:23 C 23 25 18.89 +34 57 36.1 Z L74
2023-01-10 19:42:59 C 23 25 20.61 +34 57 48.1 V M14
2023-01-10 20:14:18 C 23 25 28.45 +34 58 46.2 V M14
2023-01-11 17:19:24 C 23 30 46.79 +35 37 38.8 V C40
2023-01-11 17:25:38 C 23 30 48.37 +35 37 50.0 V C40
2023-01-11 17:31:46 C 23 30 49.88 +35 38 00.9 V C40
2023-01-13 01:46:32 C 23 38 55.619 +36 34 34.03 V 703
2023-01-13 01:54:23 C 23 38 57.581 +36 34 47.28 V 703
2023-01-13 02:02:14 C 23 38 59.582 +36 34 59.92 V 703
2023-01-13 02:10:05 C 23 39 01.465 +36 35 13.63 V 703
2023-01-13 06:46:32 C 23 40 10.409 +36 43 00.66 V T05
2023-01-13 06:52:31 C 23 40 11.894 +36 43 10.63 V T05
2023-01-13 07:00:23 C 23 40 13.860 +36 43 23.59 V T05
2023-01-13 19:41:33 C 23 43 24.59 +37 04 22.8 V M14
2023-01-13 20:03:54 C 23 43 30.13 +37 04 59.3 V M14
2023-01-13 21:45:59 C 23 43 55.62 +37 07 43.6 V M14
2023-01-14 05:13:54 C 23 45 47.657 +37 19 58.51 V T05
2023-01-14 05:18:30 C 23 45 48.787 +37 20 05.82 V T05
2023-01-14 05:27:02 C 23 45 50.887 +37 20 19.43 V T05
2023-01-15 05:07:51 C 23 51 45.223 +37 57 29.56 V T05
2023-01-15 05:14:25 C 23 51 46.862 +37 57 39.74 V T05
2023-01-15 05:26:10 C 23 51 49.730 +37 57 57.24 V T05
2023-01-15 05:37:22 C 23 51 52.514 +37 58 14.52 V T05
2023-01-23 05:08:28 C 00 38 40.505 +41 57 56.48 V T05
2023-01-23 05:14:21 C 00 38 41.899 +41 58 02.24 V T05
2023-01-23 05:22:29 C 00 38 43.814 +41 58 10.24 V T05
2023-01-23 05:37:05 C 00 38 47.263 +41 58 24.49 V T05
2023-01-24 19:47:33 C 00 47 51.02 +42 34 33.1 Z L74
2023-01-24 19:51:53 C 00 47 52.02 +42 34 36.9 Z L74
2023-01-24 19:55:57 C 00 47 52.98 +42 34 40.5 Z L74
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)