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
2025-03-18 21:30:48 C 07 35 35.105 +45 42 31.75 X S24
2025-03-18 21:38:51 C 07 35 35.138 +45 42 26.42 X S24
2025-03-18 21:46:54 C 07 35 35.066 +45 42 22.50 X S24
2025-03-19 19:53:32 C 07 35 47.249 +45 28 03.32 X S24
2025-03-19 20:01:34 C 07 35 47.383 +45 27 57.20 X S24
2025-03-19 20:09:37 C 07 35 47.424 +45 27 51.80 X S24
2025-03-23 07:54:19 C 07 36 51.890 +44 34 30.94 V T08
2025-03-23 07:59:38 C 07 36 51.965 +44 34 28.16 V T08
2025-03-23 08:09:40 C 07 36 52.039 +44 34 21.36 V T08
2025-03-23 08:29:42 C 07 36 52.334 +44 34 08.58 V T08
2025-03-26 06:33:04 C 07 38 07.776 +43 50 33.11 V T05
2025-03-26 07:26:15 C 07 38 08.794 +43 49 59.70 V T05
2025-03-26 07:35:36 C 07 38 08.959 +43 49 53.90 V T05
2025-03-27 07:25:04 C 07 38 38.686 +43 35 17.88 V T08
2025-03-27 07:31:41 C 07 38 38.791 +43 35 13.70 V T08
2025-03-27 07:39:05 C 07 38 38.940 +43 35 09.13 V T08
2025-03-27 07:55:08 C 07 38 39.254 +43 34 59.23 V T08
2025-03-29 06:17:58 C 07 39 42.888 +43 06 52.16 V T08
2025-03-29 06:21:19 C 07 39 42.859 +43 06 50.72 V T05
2025-03-29 06:32:14 C 07 39 43.121 +43 06 44.06 V T08
2025-03-29 06:40:14 C 07 39 43.322 +43 06 39.49 V T08
2025-03-30 06:06:15 C 07 40 18.103 +42 52 36.55 V T08
2025-03-30 06:12:14 C 07 40 18.216 +42 52 33.13 V T08
2025-03-30 06:23:51 C 07 40 18.490 +42 52 25.68 V T08
2025-03-31 06:06:37 C 07 40 55.426 +42 38 19.14 V T08
2025-03-31 06:13:46 C 07 40 55.584 +42 38 14.71 V T08
2025-03-31 06:19:12 C 07 40 55.735 +42 38 11.76 V T08
2025-03-31 06:25:13 C 07 40 55.906 +42 38 08.05 V T08
2025-04-25 07:09:28 C 08 03 45.514 +37 11 09.92 V T05
2025-04-25 07:14:03 C 08 03 45.643 +37 11 07.80 V T05
2025-04-25 07:21:56 C 08 03 46.003 +37 11 04.63 V T05
2025-04-25 07:54:17 C 08 03 47.498 +37 10 47.96 V T05
2025-04-28 06:46:59 C 08 07 09.257 +36 35 17.70 V T05
2025-04-28 06:51:37 C 08 07 09.456 +36 35 15.58 V T05
2025-04-28 07:24:07 C 08 07 11.081 +36 34 58.94 V T05
2025-04-28 07:24:46 C 08 07 11.088 +36 34 59.41 V T05
2025-04-28 07:32:40 C 08 07 11.446 +36 34 54.34 V T05
2025-05-09 06:46:22 C 08 20 28.757 +34 26 47.90 X F51
2025-05-09 07:06:59 C 08 20 29.857 +34 26 37.61 X F51
2025-05-09 07:26:41 C 08 20 30.843 +34 26 28.05 X F51
2025-12-26 15:27:57 C 14 09 41.676 -13 16 03.52 X F52
2025-12-26 15:35:51 C 14 09 42.278 -13 16 08.67 X F52
2025-12-26 15:43:53 C 14 09 42.895 -13 16 13.91 X F52
2025-12-26 15:51:52 C 14 09 43.507 -13 16 19.11 X F52
2025-12-27 15:16:56 C 14 11 32.854 -13 31 33.02 V T05
2025-12-27 15:22:49 C 14 11 33.329 -13 31 37.24 V T05
2025-12-27 15:47:12 C 14 11 35.225 -13 31 53.62 V T05
2025-12-27 15:59:00 C 14 11 36.127 -13 32 00.02 V T05
2026-01-01 15:12:35 C 14 21 02.820 -14 50 49.38 V T05
2026-01-01 15:17:49 C 14 21 03.254 -14 50 51.86 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)