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
2025-02-19 09:08:54 C 07 52 39.336 +53 16 22.84 V T08
2025-02-19 09:16:49 C 07 52 38.765 +53 16 17.44 V T08
2025-02-19 09:21:26 C 07 52 38.402 +53 16 14.48 V T08
2025-02-19 09:30:02 C 07 52 37.778 +53 16 08.58 V T08
2025-02-19 09:45:21 C 07 52 36.648 +53 15 58.43 V T08
2025-02-21 07:20:58 C 07 49 34.706 +52 45 08.16 X F51
2025-02-21 07:38:58 C 07 49 33.523 +52 44 55.95 X F51
2025-02-21 07:56:58 C 07 49 32.334 +52 44 43.71 X F51
2025-02-21 08:49:35 C 07 49 28.843 +52 44 07.58 V T05
2025-02-21 08:54:09 C 07 49 28.553 +52 44 04.70 V T05
2025-02-21 09:03:22 C 07 49 27.984 +52 43 58.22 V T05
2025-02-21 09:19:06 C 07 49 26.942 +52 43 47.53 V T05
2025-02-22 02:44:32 B 07 48 23.10 +52 31 49.8 Z W45
2025-02-22 03:05:27 B 07 48 21.82 +52 31 35.4 Z W45
2025-02-22 03:28:23 B 07 48 20.37 +52 31 19.5 Z W45
2025-02-22 04:16:28 C 07 48 17.762 +52 30 46.94 V G96
2025-02-22 04:24:01 C 07 48 17.294 +52 30 41.80 V G96
2025-02-22 04:31:33 C 07 48 16.823 +52 30 36.61 V G96
2025-02-22 04:39:06 C 07 48 16.355 +52 30 31.43 V G96
2025-02-23 08:46:50 C 07 46 39.372 +52 11 07.80 V T08
2025-02-23 08:51:29 C 07 46 39.096 +52 11 04.60 V T08
2025-02-23 09:01:26 C 07 46 38.520 +52 10 57.65 V T08
2025-02-23 09:16:44 C 07 46 37.620 +52 10 46.88 V T08
2025-02-24 08:41:41 C 07 45 22.858 +51 54 30.85 V T08
2025-02-24 08:50:38 C 07 45 22.358 +51 54 24.48 V T08
2025-02-24 08:55:01 C 07 45 22.164 +51 54 21.42 V T05
2025-02-24 08:57:47 C 07 45 21.883 +51 54 19.08 V T05
2025-02-24 09:03:41 C 07 45 21.648 +51 54 15.12 V T05
2025-02-24 09:05:39 C 07 45 21.540 +51 54 14.11 V T05
2025-02-24 09:21:16 C 07 45 20.659 +51 54 03.28 V T08
2025-02-24 09:30:57 C 07 45 20.167 +51 53 56.33 V T08
2025-02-25 08:48:30 C 07 44 10.922 +51 37 40.69 V T05
2025-02-25 08:52:25 C 07 44 10.709 +51 37 37.63 V T05
2025-02-25 08:57:01 C 07 44 10.483 +51 37 34.72 V T05
2025-02-25 08:57:40 C 07 44 10.462 +51 37 34.21 V T05
2025-02-25 09:06:55 C 07 44 09.965 +51 37 27.62 V T05
2025-02-25 09:12:13 C 07 44 09.710 +51 37 23.92 V T05
2025-02-25 09:21:34 C 07 44 09.240 +51 37 17.26 V T05
2025-02-27 04:20:57 C 07 42 14.281 +51 07 06.53 V 703
2025-02-27 04:25:12 C 07 42 13.993 +51 07 04.33 V 703
2025-02-27 04:29:24 C 07 42 13.835 +51 07 01.24 V 703
2025-02-27 04:33:36 C 07 42 13.626 +51 06 58.43 V 703
2025-02-27 09:45:20 C 07 42 00.408 +51 03 19.51 V T08
2025-02-27 09:49:21 C 07 42 00.233 +51 03 16.78 V T08
2025-02-27 09:59:26 C 07 41 59.856 +51 03 09.40 V T08
2025-02-27 10:17:24 C 07 41 59.069 +51 02 56.80 V T08
2025-03-01 08:25:50 C 07 40 15.089 +50 30 28.58 V T05
2025-03-01 08:30:25 C 07 40 14.923 +50 30 25.20 V T05
2025-03-01 08:39:53 C 07 40 14.582 +50 30 18.43 V T05
2025-03-01 08:54:24 C 07 40 14.030 +50 30 08.32 V T05
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)