1999 XV90

1999XV90, 1998 QH87, 1998QH87, 53444, J98Q87H, J99X90V

All data for this body: [vot]

MPC data
Name (number) 1999 XV90 (53444)
a 2.21654
e 0.14807
i / sin(i) 6.3838 / 0.11119
q 1.88833
Q 2.54475
ω 313.2692
Node 264.7055
m 146.2550
n 0.2987
Epoch 2460800.5
nobs 1756
nopp 19
Years observed 1998-2024
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.217
ep 0.174
sin(ip) 0.116
G 0.150
H 15.540
Mass
D 2.19 0.149
pV 0.308 0.0678
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 9.369
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2171 0.1738 0.1159 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.19 0.149 0.149 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.308 0.0678 0.0678 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.54 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Ds Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S 0.905 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.6565 0.6550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT