1999 XC231

1999XC231, A3171, J99XN1C

All data for this body: [vot]

MPC data
Name (number) 1999 XC231 (103171)
a 2.58174
e 0.19881
i / sin(i) 15.0392 / 0.25948
q 2.06847
Q 3.09501
ω 190.1729
Node 47.3724
m 309.6907
n 0.2376
Epoch 2460800.5
nobs 2468
nopp 19
Years observed 1999-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.585
ep 0.231
sin(ip) 0.236
G 0.150
H 14.540
Mass
D 3.45 0.861
pV 0.283 0.1220
Value
Rotational Period 27.235
Period quality 2
Spectral Class S
Spectral Class Score 5.184
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5851 0.2307 0.2365 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.45 0.861 0.861 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.283 0.1220 0.1220 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
14.54 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
27.2351 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.864 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT