1999 XT120

1999XT120, 43157, J99XC0T

All data for this body: [vot]

MPC data
Name (number) 1999 XT120 (43157)
a 2.45531
e 0.01642
i / sin(i) 12.5846 / 0.21788
q 2.41500
Q 2.49562
ω 282.6906
Node 259.9089
m 100.2102
n 0.2562
Epoch 2460800.5
nobs 2968
nopp 21
Years observed 1998-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.455
ep 0.064
sin(ip) 0.232
G 0.150
H 14.180
Mass
D 3.73 0.155
pV 0.349 0.0709
Value
Rotational Period 9.860
Period quality 2
Spectral Class S
Spectral Class Score 15.529
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4552 0.0637 0.2316 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.73 0.155 0.155 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.349 0.0709 0.0709 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
14.18 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.8672 2 Sidereal Durech 2023A&A...675A..24D Model
9.869 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
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 0.94 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9605 0.9750 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9810 0.9750 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT