1999 XU165

1999XU165, 1990 EG8, 1990EG8, 49905, J90E08G, J99XG5U

All data for this body: [vot]

MPC data
Name (number) 1999 XU165 (49905)
a 2.25145
e 0.13452
i / sin(i) 5.8829 / 0.10250
q 1.94859
Q 2.55430
ω 155.9140
Node 338.5906
m 171.7472
n 0.2918
Epoch 2460800.5
nobs 2522
nopp 20
Years observed 1990-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.251
ep 0.188
sin(ip) 0.101
G 0.150
H 15.570
Mass
D 2.12 0.063
pV 0.247 0.0263
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 2.949
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2509 0.1880 0.1009 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.12 0.063 0.063 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.247 0.0263 0.0263 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
15.57 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.44 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.0115 0.0115 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT