1989 ST2

1989ST2, 1982 VS7, 1982VS7, 2000 XL29, 2000XL29, 39523, J82V07S, J89S02T, K00X29L

All data for this body: [vot]

MPC data
Name (number) 1989 ST2 (39523)
a 2.32674
e 0.23857
i / sin(i) 11.5951 / 0.20100
q 1.77165
Q 2.88183
ω 331.8256
Node 33.3223
m 14.4244
n 0.2777
Epoch 2460800.5
nobs 1548
nopp 20
Years observed 1982-2024
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.327
ep 0.195
sin(ip) 0.184
G 0.150
H 15.380
Mass
D 4.73 0.162
pV 0.086 0.0066
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 1.728
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3269 0.1951 0.1843 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.72 0.165 0.165 Masiero 2011ApJ...741...68M NEATM
4.77 1.110 1.110 Nugent 2016AJ....152...63N NEATM
5.10 1.250 1.250 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.057 0.0740 0.0740 Masiero 2012ApJ...759L...8M NEATM
0.060 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.087 0.0067 0.0067 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
15.38 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 C 0.2880 0.2880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
CX 0.11 Bus VIS Carvano 2010A&A...510A..43C PHOT