1999 XL50

1999XL50, 43122, J99X50L

All data for this body: [vot]

MPC data
Name (number) 1999 XL50 (43122)
a 2.52425
e 0.07913
i / sin(i) 6.2594 / 0.10903
q 2.32450
Q 2.72400
ω 206.3456
Node 74.6861
m 257.8683
n 0.2458
Epoch 2460800.5
nobs 1600
nopp 21
Years observed 1991-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.526
ep 0.091
sin(ip) 0.092
G 0.150
H 15.230
Mass
D 2.18 0.289
pV 0.281 0.0676
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 2.244
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5258 0.0906 0.0917 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.18 0.289 0.289 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.281 0.0676 0.0676 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
15.23 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 0.374 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT