1864 Daedalus — IAA Minor Planet Database

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 Period	1.76564638 yr ± 1.34e-09

Physical Parameters

H (abs. magnitude)	14.83
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-05-31
RMS Residual	0.311″
Uncertainty	0
Orbit Type	Apollo
MOID	0.269202 AU
Observations Used	6128
Radar Obs Used	1
Gaia Obs Used	126
Oppositions	20
Arc Total	1971-2026
First Observation Used	1971-03-24
Last Observation Used	2026-04-04

Observations (7777)

Date	Type	RA	Dec	Mag	Band	Observatory
2022-03-06 04:43:51	S	11 36 41.563	+18 01 21.22	–	V	C57
2022-03-06 04:43:51	s	1 -38927.458	0 +367971.14	3420.0	–	C57
2022-03-06 05:13:51	S	11 36 38.899	+18 01 27.95	–	V	C57
2022-03-06 05:13:51	s	1 -40102.217	0 +367603.83	9450.0	–	C57
2022-03-06 05:23:51	S	11 36 38.136	+18 01 29.78	–	V	C57
2022-03-06 05:23:51	s	1 -40493.592	0 +367479.30	9710.0	–	C57
2022-03-06 05:33:51	S	11 36 37.358	+18 01 29.82	–	V	C57
2022-03-06 05:33:51	s	1 -40884.860	0 +367353.73	9080.0	–	C57
2022-03-06 05:43:51	S	11 36 36.504	+18 01 34.68	–	V	C57
2022-03-06 05:43:51	s	1 -41276.020	0 +367227.11	7550.0	–	C57
2022-03-06 05:53:51	S	11 36 35.724	+18 01 35.87	–	V	C57
2022-03-06 05:53:51	s	1 -41667.070	0 +367099.44	5120.0	–	C57
2022-03-06 06:03:51	S	11 36 34.747	+18 01 37.74	–	V	C57
2022-03-06 06:03:51	s	1 -42058.009	0 +366970.72	1790.0	–	C57
2022-03-06 06:13:51	S	11 36 33.958	+18 01 42.17	–	V	C57
2022-03-06 06:13:51	s	1 -42448.837	0 +366840.96	7560.0	–	C57
2022-03-06 06:23:51	S	11 36 32.966	+18 01 43.43	–	V	C57
2022-03-06 06:23:51	s	1 -42839.551	0 +366710.16	2400.0	–	C57
2022-03-06 06:33:51	S	11 36 32.316	+18 01 46.99	–	V	C57
2022-03-06 06:33:51	s	1 -43230.151	0 +366578.30	6330.0	–	C57
2022-03-06 06:43:51	S	11 36 31.512	+18 01 49.19	–	V	C57
2022-03-06 06:43:51	s	1 -43620.635	0 +366445.40	9330.0	–	C57
2022-03-06 06:53:51	S	11 36 30.686	+18 01 50.77	–	V	C57
2022-03-06 06:53:51	s	1 -44011.002	0 +366311.45	1400.0	–	C57
2022-03-06 07:03:51	S	11 36 29.866	+18 01 55.02	–	V	C57
2022-03-06 07:03:51	s	1 -44401.252	0 +366176.45	2540.0	–	C57
2022-03-06 07:13:51	S	11 36 28.946	+18 01 59.48	–	V	C57
2022-03-06 07:13:51	s	1 -44791.383	0 +366040.41	2740.0	–	C57
2022-03-06 07:23:51	S	11 36 28.368	+18 02 01.07	–	V	C57
2022-03-06 07:23:51	s	1 -45181.393	0 +365903.31	1990.0	–	C57
2022-03-06 07:33:51	S	11 36 27.314	+18 01 59.77	–	V	C57
2022-03-06 07:33:51	s	1 -45571.282	0 +365765.17	280.0	–	C57
2022-03-06 07:43:51	S	11 36 26.381	+18 02 04.70	–	V	C57
2022-03-06 07:43:51	s	1 -45961.048	0 +365625.98	7620.0	–	C57
2022-03-06 07:53:51	S	11 36 25.843	+18 02 06.72	–	V	C57
2022-03-06 07:53:51	s	1 -46350.690	0 +365485.74	4000.0	–	C57
2022-03-06 08:03:51	S	11 36 24.970	+18 02 08.63	–	V	C57
2022-03-06 08:03:51	s	1 -46740.207	0 +365344.45	9410.0	–	C57
2022-03-06 08:13:51	S	11 36 24.098	+18 02 10.25	–	V	C57
2022-03-06 08:13:51	s	1 -47129.598	0 +365202.11	3850.0	–	C57
2022-03-06 08:23:51	S	11 36 23.405	+18 02 14.17	–	V	C57
2022-03-06 08:23:51	s	1 -47518.862	0 +365058.72	7310.0	–	C57
2022-03-06 08:33:51	S	11 36 22.505	+18 02 20.33	–	V	C57
2022-03-06 08:33:51	s	1 -47907.997	0 +364914.28	9780.0	–	C57
2022-03-06 08:43:51	S	11 36 21.545	+18 02 18.02	–	V	C57
2022-03-06 08:43:51	s	1 -48297.002	0 +364768.80	1270.0	–	C57
2022-03-06 08:53:51	S	11 36 20.849	+18 02 21.84	–	V	C57
2022-03-06 08:53:51	s	1 -48685.876	0 +364622.26	1760.0	–	C57
2022-03-06 09:43:51	S	11 36 16.558	+18 02 35.63	–	V	C57
2022-03-06 09:43:51	s	1 -50628.237	0 +363873.80	9110.0	–	C57

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1864 Daedalus (1971 FA)