1999 XH166

1999XH166, 67029, J99XG6H

All data for this body: [vot]

MPC data

Name (number)	1999 XH166 (67029)
a	2.67756
e	0.21646
i / sin(i)	10.2381 / 0.17774
q	2.09796
Q	3.25715
ω	62.9950
Node	289.1969
m	333.9765
n	0.2250
Epoch	2460800.5

n_obs	2595
n_opp	22
Years observed	1996-2025
rms	0.64

Best values

	Value	Standard error
Parent	Adeona (145)

a_p	2.677
e_p	0.174
sin(i_p)	0.201
G	0.150
H	14.050
Mass
D	9.73	0.186
pV	0.063	0.0086

	Value
Rotational Period
Period quality	None
Spectral Class	C
Spectral Class Score	6.470

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
145	Adeona	0	Adeona		Novakovic	2019EPSC...13.1671N	HCM
145	Adeona	505	Adeona	0.1200	Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.6773	0.1744	0.2008	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
7.25	1.834	1.834	Masiero	2017AJ....154..168M	NEATM
7.95	1.719	1.719	Masiero	2017AJ....154..168M	NEATM
9.78	0.188	0.188	Masiero	2011ApJ...741...68M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.061	0.0092	0.0092	Masiero	2011ApJ...741...68M	NEATM
0.071	0.0289	0.0289	Masiero	2017AJ....154..168M	NEATM
0.092	0.0417	0.0417	Masiero	2017AJ....154..168M	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
14.05			MPC-2023-12-04	MPC-2023-12-04	Phot

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
B	B	0.4940	0.4890	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
B	B	0.5314	0.4890	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
C				DeMeo-Carry	VIS	DeMeo	2013Icar..226..723D	PHOT
C		0.84		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
C	B	0.4650	0.4890	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT