Iannini

04652, 1975 QO, 1975QO, 1984 UM2, 1984UM2, J75Q00O, J84U02M

All data for this body: [vot]

MPC data

Name (number)	Iannini (4652)
a	2.64205
e	0.31414
i / sin(i)	11.0460 / 0.19160
q	1.81208
Q	3.47203
ω	50.9708
Node	327.7079
m	164.6675
n	0.2295
Epoch	2460800.5

n_obs	2951
n_opp	25
Years observed	1975-2025
rms	0.70

Best values

	Value	Standard error
Parent	Iannini (4652)

a_p	2.644
e_p	0.269
sin(i_p)	0.212
G	0.150
H	13.440
Mass
D	6.24	0.129
pV	0.199	0.0342

	Value
Rotational Period	12.200
Period quality	3
Spectral Class	S
Spectral Class Score	6.974

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
4652	Iannini	0	Iannini		Novakovic	2019EPSC...13.1671N	HCM
4652	Iannini	520	Iannini		Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.6443	0.2688	0.2120	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
4.71	0.850	0.850	Nugent	2016AJ....152...63N	NEATM
6.28	0.130	0.130	Masiero	2012ApJ...759L...8M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.196	0.0350	0.0350	Masiero	2012ApJ...759L...8M	NEATM
0.260	0.1600	0.1600	Nugent	2016AJ....152...63N	NEATM

G data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.15			MPC-2023-12-94	MPC-2023-12-94	Phot

H data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
13.44			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

Value	Quality	Side real or Synodic	Author	Reference	Method
11.69	2-	Synodic	Behrend	LCDB	Lightcurve
12.215	2-	Synodic	Pravec	LCDB	Lightcurve
12.22	3	Synodic	Pravec	LCDB	Lightcurve

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
S				DeMeo-Carry	VIS	DeMeo	2013Icar..226..723D	PHOT
S		0.13		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
S	S	0.7857	0.7857	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT