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
2024-12-20 11:06:05 C 10 51 20.963 +50 02 13.38 V 703
2024-12-21 13:31:01 C 10 49 55.037 +50 23 49.34 V T08
2024-12-21 13:35:42 C 10 49 54.766 +50 23 53.30 V T08
2024-12-21 13:41:01 C 10 49 54.442 +50 23 57.95 V T08
2024-12-21 13:49:43 C 10 49 53.921 +50 24 04.82 V T08
2024-12-22 10:01:07 C 10 48 43.265 +50 40 33.53 V 703
2024-12-22 10:04:28 C 10 48 43.060 +50 40 36.12 V 703
2024-12-22 10:07:50 C 10 48 42.836 +50 40 39.11 V 703
2024-12-22 10:11:11 C 10 48 42.620 +50 40 41.99 V 703
2024-12-22 14:45:55 C 10 48 25.676 +50 44 28.88 X F51
2024-12-22 15:04:31 C 10 48 24.468 +50 44 44.10 X F51
2024-12-22 15:23:09 C 10 48 23.261 +50 44 59.29 X F51
2024-12-22 15:41:49 C 10 48 22.050 +50 45 14.56 X F51
2024-12-23 09:38:41 C 10 47 15.446 +50 59 49.49 V T05
2024-12-23 09:42:44 C 10 47 15.187 +50 59 53.16 V T05
2024-12-23 09:50:47 C 10 47 14.664 +50 59 59.96 V T05
2024-12-23 10:41:25 C 10 47 11.326 +51 00 42.77 V T05
2024-12-25 10:29:05 C 10 43 53.116 +51 39 40.64 V 703
2024-12-25 10:32:10 C 10 43 52.882 +51 39 43.45 V 703
2024-12-25 10:35:14 C 10 43 52.622 +51 39 45.68 V 703
2024-12-25 10:38:19 C 10 43 52.417 +51 39 48.28 V 703
2024-12-26 12:04:57 C 10 41 57.132 +52 00 23.04 X F52
2024-12-26 12:23:38 C 10 41 55.612 +52 00 38.46 X F52
2024-12-26 12:42:09 C 10 41 54.106 +52 00 53.67 X F52
2024-12-27 11:58:22 C 10 40 01.978 +52 19 33.49 V T05
2024-12-27 12:00:59 C 10 40 01.750 +52 19 35.69 V T05
2024-12-27 12:05:34 C 10 40 01.349 +52 19 39.36 V T05
2024-12-27 12:30:42 C 10 39 59.182 +52 19 59.84 V T05
2024-12-29 12:25:41 C 10 35 48.252 +52 57 51.55 V T08
2024-12-29 12:37:10 C 10 35 47.165 +52 58 00.77 V T08
2024-12-29 12:52:15 C 10 35 45.722 +52 58 12.72 V T08
2024-12-30 09:02:33 C 10 33 52.150 +53 13 48.61 V 703
2024-12-30 09:03:21 C 10 33 52.128 +53 13 49.15 V 703
2024-12-30 09:05:44 C 10 33 51.840 +53 13 51.06 V 703
2024-12-30 09:06:31 C 10 33 51.815 +53 13 51.53 V 703
2024-12-30 09:08:54 C 10 33 51.520 +53 13 53.54 V 703
2024-12-30 09:09:41 C 10 33 51.502 +53 13 54.08 V 703
2024-12-30 09:12:04 C 10 33 51.228 +53 13 55.99 V 703
2024-12-30 09:12:51 C 10 33 51.185 +53 13 56.53 V 703
2024-12-31 09:55:04 C 10 31 25.468 +53 32 48.26 V G96
2024-12-31 10:02:40 C 10 31 24.679 +53 32 54.13 V G96
2024-12-31 10:10:19 C 10 31 23.884 +53 33 00.04 V G96
2024-12-31 10:17:54 C 10 31 23.088 +53 33 05.80 V G96
2025-01-01 08:53:37 C 10 29 04.067 +53 49 57.65 V 703
2025-01-01 08:56:48 C 10 29 03.656 +53 50 02.44 V 703
2025-01-01 08:59:58 C 10 29 03.307 +53 50 05.03 V 703
2025-01-01 09:03:08 C 10 29 02.929 +53 50 07.19 V 703
2025-01-02 11:28:38 C 10 26 12.638 +54 09 29.20 V T08
2025-01-02 11:43:20 C 10 26 10.973 +54 09 40.21 V T08
2025-01-02 11:57:51 C 10 26 09.317 +54 09 51.01 V T08
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)