1998 XV40

1998XV40, 15450, 1982 BR4, 1982BR4, 1992 JJ2, 1992JJ2, 1993 TK35, 1993TK35, 2000 EO76, 2000EO76, J82B04R, J92J02J, J93T35K, J98X40V, K00E76O

All data for this body: [vot]

MPC data

Name (number)	1998 XV40 (15450)
a	2.67826
e	0.20562
i / sin(i)	8.0414 / 0.13989
q	2.12755
Q	3.22897
ω	269.5848
Node	51.3115
m	117.2775
n	0.2249
Epoch	2460800.5

n_obs	3281
n_opp	25
Years observed	1982-2025
rms	0.69

Best values

	Value	Standard error
Parent

a_p	2.675
e_p	0.174
sin(i_p)	0.132
G	0.150
H	13.650
Mass
D	12.05	0.047
pV	0.051	0.0061

	Value
Rotational Period
Period quality	None
Spectral Class	C
Spectral Class Score	0.654

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.6752	0.1737	0.1321	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
10.57	2.040	2.040	Nugent	2016AJ....152...63N	NEATM
12.07	0.047	0.047	Masiero	2011ApJ...741...68M	NEATM
8.10	0.640	0.640	Usui	2011PASJ...63.1117U	NEATM
8.41	1.680	1.680	Ali-Lagoa	2018A&A...612A..85A	NEATM
9.52	2.870	2.870	Masiero	2012ApJ...759L...8M	NEATM
9.74	2.430	2.430	Masiero	2021PSJ.....2..162M	NEATM
9.76	3.368	3.368	Masiero	2017AJ....154..168M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.049	0.0063	0.0063	Masiero	2011ApJ...741...68M	NEATM
0.050	0.0700	0.0700	Nugent	2016AJ....152...63N	NEATM
0.063	0.0250	0.0430	Masiero	2021PSJ.....2..162M	NEATM
0.082	0.0620	0.0620	Masiero	2017AJ....154..168M	NEATM
0.084	0.1160	0.1160	Masiero	2012ApJ...759L...8M	NEATM
0.104	0.0420	0.0420	Ali-Lagoa	2018A&A...612A..85A	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
13.65			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
C		0.109		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT