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
2022-03-07 04:23:51	S	11 34 43.056	+18 07 21.36	–	V	C57
2022-03-07 04:23:51	s	1 -92932.230	0 +340149.27	9980.0	–	C57
2022-03-07 04:33:51	S	11 34 42.240	+18 07 23.38	–	V	C57
2022-03-07 04:33:51	s	1 -93296.565	0 +339876.70	2500.0	–	C57
2022-03-07 04:43:51	S	11 34 41.544	+18 07 23.66	–	V	C57
2022-03-07 04:43:51	s	1 -93660.608	0 +339603.05	3300.0	–	C57
2022-03-07 04:53:51	S	11 34 40.632	+18 07 26.18	–	V	C57
2022-03-07 04:53:51	s	1 -94024.359	0 +339328.30	2390.0	–	C57
2022-03-07 05:03:51	S	11 34 39.622	+18 07 30.22	–	V	C57
2022-03-07 05:03:51	s	1 -94387.815	0 +339052.46	9750.0	–	C57
2022-03-07 05:13:51	S	11 34 38.911	+18 07 32.30	–	V	C57
2022-03-07 05:13:51	s	1 -94750.976	0 +338775.53	5380.0	–	C57
2022-03-07 05:23:51	S	11 34 38.014	+18 07 35.72	–	V	C57
2022-03-07 05:23:51	s	1 -95113.839	0 +338497.51	9280.0	–	C57
2022-03-07 05:33:51	S	11 34 37.339	+18 07 38.57	–	V	C57
2022-03-07 05:33:51	s	1 -95476.403	0 +338218.40	1420.0	–	C57
2022-03-07 05:43:51	S	11 34 36.233	+18 07 39.68	–	V	C57
2022-03-07 05:43:51	s	1 -95838.667	0 +337938.20	1810.0	–	C57
2022-03-07 05:53:51	S	11 34 35.482	+18 07 42.24	–	V	C57
2022-03-07 05:53:51	s	1 -96200.629	0 +337656.91	450.0	–	C57
2022-03-07 06:03:51	S	11 34 34.728	+18 07 48.97	–	V	C57
2022-03-07 06:03:51	s	1 -96562.288	0 +337374.52	7310.0	–	C57
2022-03-07 06:33:51	S	11 34 32.230	+18 07 48.61	–	V	C57
2022-03-07 06:33:51	s	1 -97645.426	0 +336520.80	7240.0	–	C57
2022-03-07 06:43:51	S	11 34 31.361	+18 07 53.98	–	V	C57
2022-03-07 06:43:51	s	1 -98005.855	0 +336234.04	6970.0	–	C57
2022-03-07 06:53:51	S	11 34 30.629	+18 07 56.68	–	V	C57
2022-03-07 06:53:51	s	1 -98365.973	0 +335946.18	4900.0	–	C57
2022-03-07 07:03:51	S	11 34 29.522	+18 07 58.30	–	V	C57
2022-03-07 07:03:51	s	1 -98725.777	0 +335657.23	1020.0	–	C57
2022-03-07 07:13:51	S	11 34 28.594	+18 08 05.10	–	V	C57
2022-03-07 07:13:51	s	1 -99085.267	0 +335367.18	5320.0	–	C57
2022-03-07 07:23:51	S	11 34 27.634	+18 08 06.58	–	V	C57
2022-03-07 07:23:51	s	1 -99444.441	0 +335076.04	7800.0	–	C57
2022-03-07 08:03:51	S	11 34 24.622	+18 08 15.00	–	V	C57
2022-03-07 08:03:51	s	1 -100877.94	3 +333900.49	9350.0	–	C57
2022-03-07 08:13:51	S	11 34 23.683	+18 08 18.31	–	V	C57
2022-03-07 08:13:51	s	1 -101235.51	2 +333603.86	2610.0	–	C57
2022-03-07 08:23:51	S	11 34 22.764	+18 08 19.46	–	V	C57
2022-03-07 08:23:51	s	1 -101592.75	6 +333306.13	4000.0	–	C57
2022-03-07 09:03:51	S	11 34 19.373	+18 08 27.78	–	V	C57
2022-03-07 09:03:51	s	1 -103018.44	0 +332104.21	770.0	–	C57
2022-03-07 09:13:51	S	11 34 18.499	+18 08 31.60	–	V	C57
2022-03-07 09:13:51	s	1 -103374.03	1 +331800.98	2720.0	–	C57
2022-03-07 09:23:51	S	11 34 17.650	+18 08 35.34	–	V	C57
2022-03-07 09:23:51	s	1 -103729.28	6 +331496.65	2770.0	–	C57
2022-03-07 09:33:51	S	11 34 16.879	+18 08 38.87	–	V	C57
2022-03-07 09:33:51	s	1 -104084.20	4 +331191.22	890.0	–	C57
2022-03-07 09:53:51	S	11 34 15.434	+18 08 43.66	–	V	C57
2022-03-07 09:53:51	s	1 -104793.02	1 +330577.04	1370.0	–	C57

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1864 Daedalus (1971 FA)