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
2022-03-22 23:03:50 s 1 -146582.02 6 +263640.15 9100.0 C57
2022-03-22 23:13:50 S 11 02 55.764 +19 11 35.56 V C57
2022-03-22 23:13:50 s 1 -146853.53 8 +263133.42 9690.0 C57
2022-03-22 23:23:50 S 11 02 55.248 +19 11 30.77 V C57
2022-03-22 23:23:50 s 1 -147124.34 7 +262625.43 6640.0 C57
2022-03-22 23:53:50 S 11 02 52.502 +19 11 36.78 V C57
2022-03-22 23:53:50 s 1 -147932.52 6 +261093.93 5500.0 C57
2022-03-23 00:03:50 S 11 02 51.425 +19 11 36.42 V C57
2022-03-23 00:03:50 s 1 -148200.49 2 +260580.91 7730.0 C57
2022-03-23 00:13:50 S 11 02 50.719 +19 11 38.80 V C57
2022-03-23 00:13:50 s 1 -148467.73 9 +260066.64 6250.0 C57
2022-03-24 20:44:51 C 10 58 59.73 +19 14 13.3 V M20
2022-03-24 20:58:24 C 10 58 58.59 +19 14 13.7 V M20
2022-03-24 21:12:05 C 10 58 57.52 +19 14 14.5 V M20
2022-03-25 02:28:46 C 10 58 32.419 +19 14 37.00 V W68
2022-03-25 02:33:26 C 10 58 32.054 +19 14 37.21 V W68
2022-03-25 02:47:56 C 10 58 30.874 +19 14 37.75 V W68
2022-03-25 02:55:45 C 10 58 30.228 +19 14 38.04 V W68
2022-03-26 06:46:58 C 10 56 18.908 +19 15 30.64 U F52
2022-03-26 07:06:07 C 10 56 17.385 +19 15 31.19 U F52
2022-03-26 07:25:18 C 10 56 15.853 +19 15 31.81 U F52
2022-03-26 07:30:51 C 10 56 15.07 +19 15 30.8 V 703
2022-03-26 07:38:28 C 10 56 14.44 +19 15 30.8 V 703
2022-03-26 07:46:04 C 10 56 13.84 +19 15 31.0 V 703
2022-03-26 07:53:40 C 10 56 13.25 +19 15 31.3 V 703
2022-03-29 02:05:24 C 10 51 09.869 +19 16 11.03 V W68
2022-03-29 02:09:17 C 10 51 09.564 +19 16 10.85 V W68
2022-03-29 02:13:18 C 10 51 09.286 +19 16 10.67 V W68
2022-03-29 02:15:14 C 10 51 09.134 +19 16 11.24 V W68
2022-03-29 02:17:51 C 10 51 08.942 +19 16 10.67 V W68
2022-03-29 02:23:08 C 10 51 08.518 +19 16 10.81 V W68
2022-03-29 02:31:42 C 10 51 07.865 +19 16 10.49 V W68
2022-03-29 02:36:56 C 10 51 07.466 +19 16 10.85 V W68
2022-04-01 06:28:08 C 10 45 36.868 +19 13 43.79 V G96
2022-04-01 06:35:33 C 10 45 36.328 +19 13 43.25 V G96
2022-04-01 06:43:02 C 10 45 35.784 +19 13 42.85 V G96
2022-04-01 06:50:29 C 10 45 35.255 +19 13 42.42 V G96
2022-04-02 06:15:42 C 10 43 57.500 +19 12 21.78 V 703
2022-04-02 06:23:14 C 10 43 56.975 +19 12 21.31 V 703
2022-04-02 06:30:46 C 10 43 56.435 +19 12 20.63 V 703
2022-04-02 06:38:17 C 10 43 55.916 +19 12 20.23 V 703
2022-04-05 06:11:15 C 10 39 10.732 +19 06 28.22 V 703
2022-04-05 06:19:28 C 10 39 10.130 +19 06 26.64 V 703
2022-04-05 06:27:42 C 10 39 09.569 +19 06 26.42 V 703
2022-04-05 06:35:55 C 10 39 09.043 +19 06 25.24 V 703
2022-04-08 05:23:47 C 10 34 48.126 +18 58 06.89 V 703
2022-04-08 05:31:22 C 10 34 47.687 +18 58 06.02 V 703
2022-04-08 05:38:57 C 10 34 47.176 +18 58 04.73 V 703
2022-04-08 05:46:30 C 10 34 46.765 +18 58 03.79 V 703
2022-04-15 22:49:54 C 10 25 11.602 +18 25 51.74 V A16
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)