1988 RG9

1988RG9, 09318, 1995 WR18, 1995WR18, J88R09G, J95W18R

All data for this body: [vot]

MPC data
Name (number) 1988 RG9 (9318)
a 2.22306
e 0.12343
i / sin(i) 3.0632 / 0.05344
q 1.94866
Q 2.49746
ω 260.6573
Node 121.0310
m 345.0821
n 0.2974
Epoch 2460800.5
nobs 1915
nopp 23
Years observed 1988-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.223
ep 0.095
sin(ip) 0.050
G 0.150
H 15.390
Mass
D 2.46 0.679
pV 0.293 0.1798
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.976
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2232 0.0953 0.0495 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.46 0.679 0.679 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.293 0.1798 0.1798 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
15.39 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
S 0.996 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT