1999 XG139

1999XG139, H5897, J99XD9G

All data for this body: [vot]

MPC data
Name (number) 1999 XG139 (175897)
a 2.57760
e 0.20128
i / sin(i) 4.9490 / 0.08627
q 2.05878
Q 3.09642
ω 351.8622
Node 82.4647
m 65.7599
n 0.2382
Epoch 2460800.5
nobs 992
nopp 15
Years observed 1999-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.578
ep 0.133
sin(ip) 0.058
G 0.150
H 15.980
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 2.232
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5784 0.1325 0.0580 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
15.98 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 0.372 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT