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 23:33:51	S	11 35 07.493	+18 06 06.48	–	V	C57
2022-03-06 23:33:51	s	1 -82246.590	0 +347581.73	2670.0	–	C57
2022-03-06 23:43:51	S	11 35 06.737	+18 06 10.37	–	V	C57
2022-03-06 23:43:51	s	1 -82618.721	0 +347340.57	1920.0	–	C57
2022-03-06 23:53:51	S	11 35 05.683	+18 06 12.53	–	V	C57
2022-03-06 23:53:51	s	1 -82990.604	0 +347098.34	9650.0	–	C57
2022-03-07 00:03:51	S	11 35 05.086	+18 06 15.55	–	V	C57
2022-03-07 00:03:51	s	1 -83362.237	0 +346855.03	5850.0	–	C57
2022-03-07 00:13:51	S	11 35 04.318	+18 06 17.96	–	V	C57
2022-03-07 00:13:51	s	1 -83733.618	0 +346610.64	510.0	–	C57
2022-03-07 00:23:51	S	11 35 03.430	+18 06 22.68	–	V	C57
2022-03-07 00:23:51	s	1 -84104.747	0 +346365.18	3640.0	–	C57
2022-03-07 00:33:51	S	11 35 02.434	+18 06 21.13	–	V	C57
2022-03-07 00:33:51	s	1 -84475.622	0 +346118.63	5220.0	–	C57
2022-03-07 00:43:51	S	11 35 01.543	+18 06 23.29	–	V	C57
2022-03-07 00:43:51	s	1 -84846.241	0 +345871.00	5250.0	–	C57
2022-03-07 00:53:51	S	11 35 00.499	+18 06 29.38	–	V	C57
2022-03-07 00:53:51	s	1 -85216.603	0 +345622.30	3720.0	–	C57
2022-03-07 01:03:51	S	11 35 00.019	+18 06 31.79	–	V	C57
2022-03-07 01:03:51	s	1 -85586.706	0 +345372.51	630.0	–	C57
2022-03-07 01:13:51	S	11 34 59.006	+18 06 29.95	–	V	C57
2022-03-07 01:13:51	s	1 -85956.550	0 +345121.64	5970.0	–	C57
2022-03-07 01:23:51	S	11 34 58.452	+18 06 36.36	–	V	C57
2022-03-07 01:23:51	s	1 -86326.132	0 +344869.69	9720.0	–	C57
2022-03-07 01:33:51	S	11 34 57.322	+18 06 38.77	–	V	C57
2022-03-07 01:33:51	s	1 -86695.451	0 +344616.66	1890.0	–	C57
2022-03-07 01:43:51	S	11 34 56.357	+18 06 40.14	–	V	C57
2022-03-07 01:43:51	s	1 -87064.506	0 +344362.55	2480.0	–	C57
2022-03-07 01:53:51	S	11 34 56.076	+18 06 43.45	–	V	C57
2022-03-07 01:53:51	s	1 -87433.295	0 +344107.36	1460.0	–	C57
2022-03-07 02:43:51	S	11 34 51.682	+18 06 53.24	–	V	C57
2022-03-07 02:43:51	s	1 -89273.202	0 +342815.13	2180.0	–	C57
2022-03-07 02:53:51	S	11 34 50.614	+18 06 57.28	–	V	C57
2022-03-07 02:53:51	s	1 -89640.365	0 +342553.43	1440.0	–	C57
2022-03-07 03:03:51	S	11 34 49.906	+18 07 01.52	–	V	C57
2022-03-07 03:03:51	s	1 -90007.252	0 +342290.65	9050.0	–	C57
2022-03-07 03:13:51	S	11 34 48.994	+18 07 01.06	–	V	C57
2022-03-07 03:13:51	s	1 -90373.862	0 +342026.78	5020.0	–	C57
2022-03-07 03:23:51	S	11 34 48.012	+18 07 05.88	–	V	C57
2022-03-07 03:23:51	s	1 -90740.192	0 +341761.83	9320.0	–	C57
2022-03-07 03:33:51	S	11 34 47.242	+18 07 05.84	–	V	C57
2022-03-07 03:33:51	s	1 -91106.242	0 +341495.79	1970.0	–	C57
2022-03-07 03:43:51	S	11 34 46.145	+18 07 09.41	–	V	C57
2022-03-07 03:43:51	s	1 -91472.010	0 +341228.66	2940.0	–	C57
2022-03-07 03:53:51	S	11 34 45.636	+18 07 12.29	–	V	C57
2022-03-07 03:53:51	s	1 -91837.494	0 +340960.44	2230.0	–	C57
2022-03-07 04:03:51	S	11 34 44.914	+18 07 18.26	–	V	C57
2022-03-07 04:03:51	s	1 -92202.693	0 +340691.14	9840.0	–	C57
2022-03-07 04:13:51	S	11 34 44.004	+18 07 20.39	–	V	C57
2022-03-07 04:13:51	s	1 -92567.606	0 +340420.75	5760.0	–	C57

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1864 Daedalus (1971 FA)