1989 SO2

1989SO2, 1999 XQ225, 1999XQ225, 52282, J89S02O, J99XM5Q

All data for this body: [vot]

MPC data
Name (number) 1989 SO2 (52282)
a 2.15372
e 0.13994
i / sin(i) 2.5192 / 0.04396
q 1.85234
Q 2.45510
ω 260.6805
Node 85.6193
m 115.6881
n 0.3118
Epoch 2460800.5
nobs 1459
nopp 18
Years observed 1989-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.153
ep 0.082
sin(ip) 0.048
G 0.150
H 16.200
Mass
D 1.97 0.391
pV 0.125 0.0237
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.464
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1534 0.0818 0.0483 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.97 0.391 0.391 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.125 0.0237 0.0237 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
16.20 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
Ad Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S 0.754 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.1566 0.1566 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT