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
2019-10-05 12:28:23	C	10 15 28.58	+27 46 48.2	–	U	I41
2019-10-05 12:35:28	C	10 15 29.10	+27 46 46.2	–	U	I41
2019-10-05 12:42:33	C	10 15 29.64	+27 46 44.2	–	U	I41
2019-10-05 12:49:38	C	10 15 30.15	+27 46 42.4	–	U	I41
2019-10-07 12:28:18	C	10 18 59.64	+27 33 19.7	–	U	I41
2019-10-07 12:35:19	C	10 19 00.14	+27 33 18.0	–	U	I41
2019-10-07 12:42:19	C	10 19 00.64	+27 33 16.0	–	U	I41
2019-10-07 12:49:19	C	10 19 01.15	+27 33 14.1	–	U	I41
2019-10-08 11:51:56	C	10 20 41.18	+27 26 50.9	–	U	I41
2019-10-08 12:25:45	C	10 20 43.63	+27 26 41.8	–	U	I41
2019-10-09 12:07:58	C	10 22 25.63	+27 20 11.5	–	U	I41
2019-10-09 12:33:27	C	10 22 27.44	+27 20 04.6	–	U	I41
2019-10-13 12:44:29	C	10 29 12.35	+26 54 21.8	–	U	I41
2019-10-13 12:51:32	C	10 29 12.85	+26 54 20.1	–	U	I41
2019-10-14 11:51:35	C	10 30 47.56	+26 48 21.1	–	U	I41
2019-10-14 12:52:32	C	10 30 51.73	+26 48 05.6	–	U	I41
2019-10-22 11:59:35	C	10 43 27.13	+26 01 20.1	–	V	703
2019-10-22 12:06:38	C	10 43 27.64	+26 01 17.5	–	V	703
2019-10-22 12:13:40	C	10 43 28.05	+26 01 16.3	–	V	703
2019-10-22 12:20:43	C	10 43 28.51	+26 01 14.7	–	V	703
2019-10-31 11:59:00	C	10 56 32.43	+25 15 45.5	–	V	703
2019-10-31 12:06:41	C	10 56 32.85	+25 15 45.4	–	V	703
2019-10-31 12:14:23	C	10 56 33.24	+25 15 42.7	–	V	703
2019-10-31 12:22:04	C	10 56 33.77	+25 15 41.2	–	V	703
2019-11-02 13:54:23	C	10 59 23.27	+25 06 31.2	–	V	T08
2019-11-02 13:59:02	C	10 59 23.58	+25 06 29.8	–	V	T08
2019-11-02 14:09:07	C	10 59 24.09	+25 06 28.3	–	V	T08
2019-11-02 14:29:09	C	10 59 25.21	+25 06 26.0	–	V	T08
2019-11-14 15:13:49	C	11 14 29.80	+24 23 53.8	–	V	T08
2019-11-14 15:18:05	C	11 14 30.01	+24 23 52.9	–	V	T08
2019-11-14 15:23:39	C	11 14 30.26	+24 23 52.2	–	V	T08
2019-11-14 15:27:49	C	11 14 30.51	+24 23 51.3	–	V	T08
2019-11-18 05:07:07	C	11 18 30.10	+24 15 12.6	–	V	C95
2019-11-18 05:14:55	C	11 18 30.43	+24 15 11.4	–	V	C95
2019-11-24 11:11:07	C	11 24 55.81	+24 05 04.2	–	V	703
2019-11-24 11:18:46	C	11 24 56.11	+24 05 04.6	–	V	703
2019-11-24 11:26:26	C	11 24 56.47	+24 05 03.2	–	V	703
2019-11-24 11:34:05	C	11 24 56.82	+24 05 03.8	–	V	703
2019-12-04 13:20:41	C	11 33 35.10	+24 03 35.5	–	V	T08
2019-12-04 13:25:20	C	11 33 35.21	+24 03 35.7	–	V	T08
2019-12-04 13:33:27	C	11 33 35.49	+24 03 35.6	–	V	T08
2019-12-04 13:48:27	C	11 33 35.90	+24 03 36.4	–	V	T08
2019-12-10 14:21:39	C	11 37 37.51	+24 12 21.1	–	V	T05
2019-12-10 14:26:25	C	11 37 37.58	+24 12 21.7	–	V	T05
2019-12-10 14:40:02	C	11 37 37.93	+24 12 22.8	–	V	T05
2019-12-10 14:54:52	C	11 37 38.27	+24 12 23.9	–	V	T05
2019-12-10 15:59:38	C	11 37 39.83	+24 12 29.8	–	V	T05
2019-12-16 13:59:23	C	11 40 40.64	+24 28 44.0	–	V	T08
2019-12-16 14:04:09	C	11 40 40.76	+24 28 44.3	–	V	T08
2019-12-16 14:20:56	C	11 40 41.05	+24 28 47.6	–	V	T08

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1864 Daedalus (1971 FA)