1999 XS128

1999XS128, 1990 SF15, 1990SF15, 45165, J90S15F, J99XC8S

All data for this body: [vot]

MPC data
Name (number) 1999 XS128 (45165)
a 2.60707
e 0.17360
i / sin(i) 6.7513 / 0.11756
q 2.15449
Q 3.05965
ω 30.8146
Node 300.7680
m 100.1382
n 0.2341
Epoch 2460800.5
nobs 1893
nopp 21
Years observed 1990-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.605
ep 0.145
sin(ip) 0.132
G 0.150
H 14.510
Mass
D 3.49 0.600
pV 0.365 0.1195
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 1.080
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6049 0.1447 0.1323 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.49 0.600 0.600 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.365 0.1195 0.1195 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
14.51 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 0.180 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT