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
2022-01-29 13:08:06 C 12 23 19.53 +13 53 34.6 V T08
2022-01-31 13:09:59 C 12 22 05.80 +14 04 32.8 V T05
2022-01-31 13:12:37 C 12 22 05.73 +14 04 33.2 V T05
2022-01-31 13:16:34 C 12 22 05.60 +14 04 34.4 V T05
2022-01-31 13:29:06 C 12 22 05.25 +14 04 37.2 V T05
2022-01-31 13:31:44 C 12 22 05.17 +14 04 37.8 V T05
2022-01-31 13:34:24 C 12 22 05.10 +14 04 38.7 V T05
2022-01-31 13:38:23 C 12 22 05.01 +14 04 39.1 V T05
2022-02-01 09:55:41 C 12 21 30.79 +14 09 28.9 V G96
2022-02-01 10:03:51 C 12 21 30.54 +14 09 30.9 V G96
2022-02-01 10:12:03 C 12 21 30.29 +14 09 32.9 V G96
2022-02-01 10:20:14 C 12 21 30.04 +14 09 34.9 V G96
2022-02-02 13:54:19 C 12 20 40.48 +14 16 23.3 V T05
2022-02-02 14:01:07 C 12 20 40.21 +14 16 25.0 V T05
2022-02-02 14:11:48 C 12 20 39.92 +14 16 27.7 V T05
2022-02-02 14:27:06 C 12 20 39.39 +14 16 31.5 V T05
2022-02-03 09:18:45 C 12 20 03.70 +14 21 15.8 V 703
2022-02-03 09:26:16 C 12 20 03.44 +14 21 18.0 V 703
2022-02-03 09:33:47 C 12 20 03.20 +14 21 19.7 V 703
2022-02-03 09:41:18 C 12 20 02.91 +14 21 22.0 V 703
2022-02-03 12:31:06 C 12 19 57.441 +14 22 06.38 U F52
2022-02-03 12:46:42 C 12 19 56.908 +14 22 10.38 U F52
2022-02-03 13:02:21 C 12 19 56.370 +14 22 14.40 U F52
2022-02-04 12:15:17 C 12 19 09.65 +14 28 15.4 V T05
2022-02-04 12:18:14 C 12 19 09.54 +14 28 16.6 V T05
2022-02-04 12:22:17 C 12 19 09.39 +14 28 17.7 V T05
2022-02-04 12:29:35 C 12 19 09.11 +14 28 19.3 V T05
2022-02-04 14:03:24 C 12 19 05.73 +14 28 44.2 V T08
2022-02-04 14:37:18 C 12 19 04.51 +14 28 53.0 V T08
2022-02-04 14:41:27 C 12 19 04.38 +14 28 54.2 V T08
2022-02-04 14:49:27 C 12 19 04.07 +14 28 56.3 V T08
2022-02-05 08:15:10 C 12 18 27.278 +14 33 38.09 V W68
2022-02-05 08:19:18 C 12 18 27.122 +14 33 39.67 V W68
2022-02-05 08:23:14 C 12 18 26.954 +14 33 40.03 V W68
2022-02-05 08:28:35 C 12 18 26.712 +14 33 41.98 V W68
2022-02-06 08:58:22 C 12 17 32.60 +14 40 13.6 V 703
2022-02-06 09:05:57 C 12 17 32.31 +14 40 16.0 V 703
2022-02-06 09:13:33 C 12 17 32.02 +14 40 18.0 V 703
2022-02-06 09:21:07 C 12 17 31.72 +14 40 19.9 V 703
2022-02-06 11:35:15 C 12 17 26.69 +14 40 58.2 V T05
2022-02-06 11:55:35 C 12 17 25.88 +14 41 04.0 V T05
2022-02-06 12:39:55 C 12 17 24.13 +14 41 15.6 V T05
2022-02-06 12:50:22 C 12 17 23.72 +14 41 19.1 V T05
2022-02-07 11:16:35 C 12 16 31.32 +14 47 31.5 V T05
2022-02-07 11:21:13 C 12 16 31.10 +14 47 33.1 V T05
2022-02-07 11:27:50 C 12 16 30.86 +14 47 34.7 V T05
2022-02-07 11:35:07 C 12 16 30.54 +14 47 37.1 V T05
2022-02-08 07:57:32 C 12 15 40.80 +14 53 20.1 V 703
2022-02-08 08:05:12 C 12 15 40.51 +14 53 22.6 V 703
2022-02-08 08:12:51 C 12 15 40.19 +14 53 24.8 V 703
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)