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
2022-03-12 09:12:22 C 11 23 54.42 +18 36 13.4 V T08
2022-03-12 09:15:00 C 11 23 54.18 +18 36 13.7 V T08
2022-03-12 09:28:11 C 11 23 53.05 +18 36 16.5 V T08
2022-03-12 10:00:29 C 11 23 50.26 +18 36 23.0 V T08
2022-03-13 03:59:10 C 11 22 19.181 +18 40 02.60 V W68
2022-03-13 04:03:03 C 11 22 18.912 +18 40 03.72 V W68
2022-03-13 04:07:36 C 11 22 18.511 +18 40 04.26 V W68
2022-03-13 04:36:30 C 11 22 15.979 +18 40 09.52 V W68
2022-03-13 06:11:44 C 11 22 08.04 +18 40 21.6 V 703
2022-03-13 06:19:22 C 11 22 07.40 +18 40 23.0 V 703
2022-03-13 06:26:59 C 11 22 06.73 +18 40 24.4 V 703
2022-03-13 06:34:36 C 11 22 06.02 +18 40 26.2 V 703
2022-03-13 08:47:45 C 11 21 54.94 +18 40 53.2 V T08
2022-03-13 08:50:22 C 11 21 54.69 +18 40 53.5 V T08
2022-03-13 09:29:59 C 11 21 51.28 +18 41 01.2 V T08
2022-03-13 09:51:57 C 11 21 49.38 +18 41 05.5 V T08
2022-03-17 12:53:50 S 11 13 53.762 +18 58 02.28 V C57
2022-03-17 12:53:50 s 1 +135561.91 2 +322672.85 3330.0 C57
2022-03-17 17:03:50 S 11 13 32.777 +18 58 37.02 V C57
2022-03-17 17:03:50 s 1 +127425.18 1 +330617.88 7220.0 C57
2022-03-17 17:23:50 S 11 13 31.320 +18 58 40.76 V C57
2022-03-17 17:23:50 s 1 +126763.52 8 +331225.10 370.0 C57
2022-03-17 17:43:50 S 11 13 29.609 +18 58 42.74 V C57
2022-03-17 17:43:50 s 1 +126100.31 9 +331828.12 8200.0 C57
2022-03-17 17:53:50 S 11 13 28.889 +18 58 43.14 V C57
2022-03-17 17:53:50 s 1 +125768.13 5 +332128.05 150.0 C57
2022-03-17 18:03:50 S 11 13 27.998 +18 58 47.35 V C57
2022-03-17 18:03:50 s 1 +125435.56 7 +332426.93 780.0 C57
2022-03-17 20:53:50 S 11 13 13.879 +18 59 09.20 V C57
2022-03-17 20:53:50 s 1 +119724.54 1 +337347.29 7630.0 C57
2022-03-18 00:03:50 S 11 12 58.517 +18 59 30.84 V C57
2022-03-18 00:03:50 s 1 +113219.58 2 +342488.89 6100.0 C57
2022-03-18 00:13:50 S 11 12 57.146 +18 59 40.24 V C57
2022-03-18 00:13:50 s 1 +112873.82 3 +342749.08 2780.0 C57
2022-03-18 00:23:50 S 11 12 56.702 +18 59 38.29 V C57
2022-03-18 00:23:50 s 1 +112527.73 5 +343008.22 8390.0 C57
2022-03-18 00:33:50 S 11 12 55.622 +18 59 39.30 V C57
2022-03-18 00:33:50 s 1 +112181.32 0 +343266.33 2930.0 C57
2022-03-18 00:43:50 S 11 12 54.881 +18 59 38.98 V C57
2022-03-18 00:43:50 s 1 +111834.57 7 +343523.40 6420.0 C57
2022-03-18 00:53:50 S 11 12 54.058 +18 59 41.60 V C57
2022-03-18 00:53:50 s 1 +111487.50 9 +343779.43 8850.0 C57
2022-03-18 01:03:50 S 11 12 53.321 +18 59 45.49 V C57
2022-03-18 01:03:50 s 1 +111140.11 7 +344034.42 230.0 C57
2022-03-18 01:13:50 S 11 12 52.536 +18 59 42.72 V C57
2022-03-18 01:13:50 s 1 +110792.40 3 +344288.37 580.0 C57
2022-03-18 01:23:50 S 11 12 51.682 +18 59 48.08 V C57
2022-03-18 01:23:50 s 1 +110444.36 8 +344541.28 9890.0 C57
2022-03-18 01:33:50 S 11 12 50.906 +18 59 46.54 V C57
2022-03-18 01:33:50 s 1 +110096.01 3 +344793.15 8160.0 C57
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)