1998 SO9

1998SO9, 2000 AK129, 2000AK129, 25132, J98S09O, K00AC9K

All data for this body: [vot]

MPC data
Name (number) 1998 SO9 (25132)
a 2.80823
e 0.10078
i / sin(i) 5.3661 / 0.09352
q 2.52522
Q 3.09125
ω 194.2023
Node 201.9361
m 218.4155
n 0.2094
Epoch 2460800.5
nobs 2352
nopp 22
Years observed 1996-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.807
ep 0.074
sin(ip) 0.101
G 0.150
H 14.590
Mass
D 8.54 0.192
pV 0.038 0.0069
Value
Rotational Period 337.000
Period quality 2
Spectral Class X
Spectral Class Score 5.333
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8072 0.0744 0.1006 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.53 0.193 0.193 Masiero 2011ApJ...741...68M NEATM
9.58 2.590 2.590 Masiero 2020PSJ.....1....5M NEATM
9.83 3.060 3.060 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.032 0.0460 0.0460 Masiero 2020PSJ.....1....5M NEATM
0.033 0.0320 0.0320 Masiero 2020PSJ.....1....5M NEATM
0.038 0.0072 0.0072 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
14.59 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
337.003 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
X X 0.8889 0.8889 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT