1999 XE40

1999XE40, J99X40E, R9795

All data for this body: [vot]

MPC data
Name (number) 1999 XE40 (279795)
a 2.75182
e 0.19889
i / sin(i) 13.5608 / 0.23448
q 2.20451
Q 3.29914
ω 348.9808
Node 57.8523
m 208.4745
n 0.2159
Epoch 2460800.5
nobs 492
nopp 14
Years observed 1999-2024
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.752
ep 0.188
sin(ip) 0.211
G 0.150
H 15.970
Mass
D 3.28 0.358
pV 0.094 0.0481
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 9.706
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7519 0.1877 0.2110 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.28 0.358 0.358 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.094 0.0481 0.0481 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
15.97 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
C 0.995 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.6226 0.6226 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT