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
2015-04-02 23:25:59 C 11 03 14.84 +14 36 35.4 q 160
2015-04-02 23:28:14 C 11 03 14.68 +14 36 35.8 q 160
2015-04-05 03:43:18 C 10 59 11.68 +14 36 37.0 u H21
2015-04-05 03:46:09 C 10 59 11.46 +14 36 36.9 u H21
2015-04-05 03:49:05 C 10 59 11.23 +14 36 37.1 u H21
2015-04-05 03:52:02 C 10 59 11.00 +14 36 37.0 u H21
2015-04-05 03:54:58 C 10 59 10.76 +14 36 37.0 u H21
2015-04-05 03:57:37 C 10 59 10.56 +14 36 36.9 u H21
2015-04-05 04:00:16 C 10 59 10.36 +14 36 36.9 u H21
2015-04-05 05:05:28 C 10 59 05.29 +14 36 35.9 q H21
2015-04-05 05:09:20 C 10 59 04.99 +14 36 35.9 q H21
2015-04-05 05:13:12 C 10 59 04.68 +14 36 35.8 q H21
2015-04-05 05:17:04 C 10 59 04.38 +14 36 35.7 q H21
2015-04-06 22:21:00 C 10 56 00.36 +14 35 35.8 q 160
2015-04-06 22:23:51 C 10 56 00.15 +14 35 35.7 q 160
2015-04-06 22:26:43 C 10 55 59.93 +14 35 35.6 q 160
2015-04-07 21:49:04 C 10 54 18.13 +14 34 39.3 q 160
2015-04-07 21:51:59 C 10 54 17.89 +14 34 38.9 q 160
2015-04-07 21:54:52 C 10 54 17.67 +14 34 38.4 q 160
2015-04-08 21:47:06 C 10 52 35.89 +14 33 24.6 q 160
2015-04-08 21:48:48 C 10 52 35.77 +14 33 24.4 q 160
2015-04-08 21:52:48 C 10 52 35.48 +14 33 24.2 q 160
2015-04-09 06:04:42 C 10 52 01.415 +14 32 57.42 L F51
2015-04-09 06:23:37 C 10 52 00.061 +14 32 56.34 L F51
2015-04-09 06:42:30 C 10 51 58.712 +14 32 55.21 L F51
2015-04-09 07:01:34 C 10 51 57.346 +14 32 54.06 L F51
2015-04-09 13:18:11 C 10 51 31.13 +14 32 28.0 q D29
2015-04-09 13:38:30 C 10 51 29.68 +14 32 27.7 q D29
2015-04-09 13:58:49 C 10 51 28.25 +14 32 26.3 q D29
2015-04-10 06:02:16 C 10 50 22.456 +14 31 20.15 L F51
2015-04-10 06:19:28 C 10 50 21.257 +14 31 18.97 L F51
2015-04-10 06:36:48 C 10 50 20.049 +14 31 17.77 L F51
2015-04-10 06:54:19 C 10 50 18.824 +14 31 16.51 L F51
2015-04-13 04:31:19 C 10 45 45.70 +14 24 58.6 N I41
2015-04-13 05:06:53 C 10 45 43.39 +14 24 55.2 N I41
2015-04-14 04:50:57 C 10 44 15.41 +14 22 15.9 N I41
2015-04-14 05:26:35 C 10 44 13.15 +14 22 11.6 N I41
2015-04-15 03:45:01 C 10 42 52.86 +14 19 27.1 u H21
2015-04-15 03:49:24 C 10 42 52.60 +14 19 26.7 u H21
2015-04-15 03:54:00 C 10 42 52.32 +14 19 26.0 u H21
2015-04-15 03:58:23 C 10 42 52.05 +14 19 25.4 u H21
2015-04-15 04:02:46 C 10 42 51.79 +14 19 24.9 u H21
2015-04-15 04:06:43 C 10 42 51.55 +14 19 24.4 u H21
2015-04-15 04:11:19 C 10 42 51.27 +14 19 23.8 u H21
2015-04-16 06:21:51 C 10 41 20.10 +14 15 56.3 q 703
2015-04-16 06:28:22 C 10 41 19.69 +14 15 54.5 q 703
2015-04-16 06:34:56 C 10 41 19.27 +14 15 53.2 q 703
2015-04-16 06:41:28 C 10 41 18.89 +14 15 52.4 q 703
2015-04-21 12:07:30 C 10 34 48.97 +13 55 12.5 q D29
2015-04-21 12:27:49 C 10 34 48.00 +13 55 07.7 q D29
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)