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
2024-04-05 14:17:30 C 12 10 28.34 -05 52 33.3 u 323
2024-04-05 14:33:57 C 12 10 26.23 -05 52 32.8 u 323
2024-04-05 15:37:06 B 12 10 18.30 -05 52 40.5 Z O53
2024-04-05 15:52:19 B 12 10 16.34 -05 52 39.9 Z O53
2024-04-05 16:07:12 B 12 10 14.40 -05 52 39.4 Z O53
2024-04-05 22:58:25 C 12 09 22.351 -05 52 28.07 V L92
2024-04-05 23:02:29 C 12 09 21.904 -05 52 27.12 V L92
2024-04-05 23:12:40 C 12 09 20.484 -05 52 27.70 V L92
2024-04-05 23:17:46 C 12 09 19.858 -05 52 27.26 V L92
2024-04-05 23:22:52 C 12 09 19.164 -05 52 26.48 V L92
2024-04-05 23:33:03 C 12 09 17.862 -05 52 26.26 V L92
2024-04-05 23:38:09 C 12 09 17.164 -05 52 26.26 V L92
2024-04-06 14:13:35 B 12 07 27.13 -05 51 47.5 Z O53
2024-04-06 14:36:37 B 12 07 24.14 -05 51 46.6 Z O53
2024-04-06 14:59:43 B 12 07 21.15 -05 51 45.7 Z O53
2024-04-06 19:17:13 C 12 06 48.55 -05 51 41.2 V G34
2024-04-06 19:21:00 C 12 06 48.14 -05 51 40.6 V G34
2024-04-06 19:26:20 C 12 06 47.54 -05 51 41.4 V G34
2024-04-06 20:47:09 B 12 06 36.989 -05 51 35.93 q D64
2024-04-06 21:03:16 B 12 06 34.877 -05 51 35.28 q D64
2024-04-06 21:23:25 B 12 06 32.359 -05 51 34.20 q D64
2024-04-06 23:24:02 C 12 06 16.661 -05 51 28.61 V L92
2024-04-06 23:33:12 C 12 06 15.495 -05 51 28.92 V L92
2024-04-06 23:43:24 C 12 06 14.125 -05 51 28.57 V L92
2024-04-06 23:53:36 C 12 06 12.805 -05 51 28.58 V L92
2024-04-07 00:03:47 C 12 06 11.482 -05 51 27.73 V L92
2024-04-07 05:54:00 C 12 05 27.402 -05 51 12.53 V G96
2024-04-07 06:01:23 C 12 05 26.434 -05 51 12.28 V G96
2024-04-07 06:08:46 C 12 05 25.472 -05 51 11.99 V G96
2024-04-07 06:16:09 C 12 05 24.515 -05 51 11.63 V G96
2024-04-07 12:16:16 C 12 04 39.10 -05 50 43.7 V P14
2024-04-07 12:45:07 C 12 04 35.41 -05 50 42.9 V P14
2024-04-07 13:14:54 C 12 04 31.50 -05 50 41.6 V P14
2024-04-07 14:05:37 B 12 04 25.12 -05 50 48.2 Z O53
2024-04-07 14:20:58 B 12 04 23.12 -05 50 47.9 Z O53
2024-04-07 14:35:43 B 12 04 21.19 -05 50 47.3 Z O53
2024-04-07 19:45:00 B 12 03 41.76 -05 50 38.2 q D75
2024-04-07 19:55:50 B 12 03 40.36 -05 50 37.9 q D75
2024-04-07 20:07:40 B 12 03 38.84 -05 50 37.5 q D75
2024-04-09 22:28:14 C 11 57 11.826 -05 48 24.95 q Y81
2024-04-09 22:31:14 C 11 57 11.422 -05 48 25.81 q Y81
2024-04-09 22:34:15 C 11 57 11.034 -05 48 24.81 q Y81
2024-04-10 06:22:25 C 11 56 10.932 -05 48 00.68 V 703
2024-04-10 06:25:41 C 11 56 10.504 -05 48 00.76 V 703
2024-04-10 06:28:58 C 11 56 10.064 -05 48 00.36 V 703
2024-04-10 06:32:15 C 11 56 09.647 -05 48 00.07 V 703
2024-04-10 16:56:15 C 11 54 49.24 -05 47 18.3 u 323
2024-04-10 17:14:15 C 11 54 46.92 -05 47 16.8 u 323
2024-04-10 18:33:23 B 11 54 37.483 -05 47 29.15 X M35
2024-04-10 19:08:59 B 11 54 32.837 -05 47 27.13 X M35
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)