1999 XH176

1999XH176, 15525, 1980 RF6, 1980RF6, J80R06F, J99XH6H

All data for this body: [vot]

MPC data
Name (number) 1999 XH176 (15525)
a 2.67294
e 0.19217
i / sin(i) 8.9345 / 0.15531
q 2.15927
Q 3.18660
ω 309.6221
Node 323.4522
m 144.7343
n 0.2255
Epoch 2460800.5
nobs 3178
nopp 24
Years observed 1954-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.672
ep 0.187
sin(ip) 0.171
G 0.150
H 13.490
Mass
D 6.84 0.960
pV 0.198 0.0580
Value
Rotational Period 2.900
Period quality
Spectral Class S
Spectral Class Score 9.042
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6718 0.1868 0.1707 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.84 0.960 0.960 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.198 0.0580 0.0580 Masiero 2012ApJ...759L...8M 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
13.49 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.92 Synodic Erasmus 2019ApJS..242...15E Lightcurve
8.8434 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.523 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.984000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT