2002 GW18

2002GW18, 1998 HH142, 1998HH142, D2318, J98HE2H, K02G18W

All data for this body: [vot]

MPC data
Name (number) 2002 GW18 (132318)
a 2.52529
e 0.10908
i / sin(i) 13.5382 / 0.23409
q 2.24984
Q 2.80074
ω 41.2646
Node 211.5290
m 230.5586
n 0.2456
Epoch 2460800.5
nobs 747
nopp 18
Years observed 1998-2025
rms 0.87
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.527
ep 0.122
sin(ip) 0.236
G 0.150
H 16.150
Mass
D 1.75 0.321
pV 0.302 0.0827
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.106
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5268 0.1224 0.2359 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.75 0.321 0.321 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.302 0.0827 0.0827 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
16.15 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 0.851 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
V V 0.0524 0.0500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT