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
2020-02-18 07:59:32	C	10 47 05.87	+33 15 13.0	–	V	703
2020-02-18 08:07:08	C	10 47 05.19	+33 15 14.9	–	V	703
2020-02-18 08:14:45	C	10 47 04.50	+33 15 17.0	–	V	703
2020-02-21 05:23:36	C	10 41 02.87	+33 31 48.1	–	o	Z22
2020-02-21 05:35:34	C	10 41 01.74	+33 31 51.0	–	o	Z22
2020-02-21 19:33:12	C	10 39 48.50	+33 34 45.2	–	o	C94
2020-02-21 19:49:49	C	10 39 47.04	+33 34 48.4	–	o	C94
2020-02-22 12:55:48	C	10 38 16.71	+33 38 16.3	–	V	T08
2020-02-22 13:02:35	C	10 38 16.11	+33 38 17.2	–	V	T08
2020-02-22 13:11:00	C	10 38 15.34	+33 38 19.0	–	V	T08
2020-02-22 13:36:40	C	10 38 13.04	+33 38 24.0	–	V	T08
2020-02-23 01:07:14	C	10 37 12.30	+33 40 31.1	–	o	L52
2020-02-23 01:20:36	C	10 37 11.12	+33 40 32.8	–	o	L52
2020-02-23 02:41:03	C	10 37 04.64	+33 40 55.8	–	o	W92
2020-02-23 02:51:38	C	10 37 03.69	+33 40 56.9	–	o	W92
2020-02-24 03:05:02	C	10 34 55.46	+33 45 11.2	–	o	W92
2020-02-24 04:50:38	C	10 34 45.96	+33 45 28.7	–	o	W92
2020-02-24 09:10:24	C	10 34 23.33	+33 46 06.1	–	V	T05
2020-02-24 09:18:16	C	10 34 22.62	+33 46 07.5	–	V	T05
2020-02-24 09:24:17	C	10 34 22.08	+33 46 08.3	–	V	T05
2020-02-24 09:42:25	C	10 34 20.42	+33 46 11.2	–	V	T05
2020-02-24 21:40:18	C	10 33 17.15	+33 48 07.3	–	o	K95
2020-02-24 21:57:49	C	10 33 16.22	+33 48 10.6	–	o	K95
2020-02-25 09:11:36	C	10 32 16.05	+33 49 43.7	–	V	703
2020-02-25 09:19:16	C	10 32 15.37	+33 49 44.8	–	V	703
2020-02-25 09:26:53	C	10 32 14.69	+33 49 45.7	–	V	703
2020-02-25 09:34:32	C	10 32 13.99	+33 49 46.7	–	V	703
2020-02-26 12:27:29	C	10 29 52.23	+33 53 22.1	–	V	T08
2020-02-26 12:32:40	C	10 29 51.76	+33 53 22.8	–	V	T08
2020-02-26 12:42:40	C	10 29 50.86	+33 53 24.1	–	V	T08
2020-03-02 00:36:59	C	10 20 29.91	+34 02 09.7	–	q	I15
2020-03-02 00:40:05	C	10 20 29.64	+34 02 09.7	–	q	I15
2020-03-02 00:43:10	C	10 20 29.36	+34 02 09.9	–	q	I15
2020-03-02 08:38:04	C	10 19 48.42	+34 02 29.8	–	V	703
2020-03-02 08:45:41	C	10 19 47.74	+34 02 29.9	–	V	703
2020-03-02 08:53:17	C	10 19 47.10	+34 02 30.2	–	V	703
2020-03-02 09:00:54	C	10 19 46.41	+34 02 30.4	–	V	703
2020-03-03 08:29:36	C	10 17 47.52	+34 03 08.1	–	V	T05
2020-03-03 09:01:06	C	10 17 44.81	+34 03 08.9	–	V	T05
2020-03-03 09:05:51	C	10 17 44.40	+34 03 08.9	–	V	T05
2020-03-03 09:25:50	C	10 17 42.68	+34 03 09.2	–	V	T05
2020-03-05 03:39:06	C	10 14 11.47	+34 03 09.2	–	u	H21
2020-03-05 03:41:10	C	10 14 11.28	+34 03 09.1	–	u	H21
2020-03-05 03:43:07	C	10 14 11.12	+34 03 09.2	–	u	H21
2020-03-05 03:46:04	C	10 14 10.87	+34 03 09.0	–	u	H21
2020-03-05 03:49:00	C	10 14 10.64	+34 03 09.0	–	u	H21
2020-03-05 03:50:57	C	10 14 10.48	+34 03 08.8	–	u	H21
2020-03-05 03:52:55	C	10 14 10.31	+34 03 09.2	–	u	H21
2020-03-05 03:54:53	C	10 14 10.15	+34 03 09.0	–	u	H21
2020-03-05 03:56:50	C	10 14 09.98	+34 03 08.9	–	u	H21

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1864 Daedalus (1971 FA)