1999 WG20

1999WG20, G2312, J99W20G

All data for this body: [vot]

MPC data
Name (number) 1999 WG20 (162312)
a 2.59319
e 0.19501
i / sin(i) 3.5964 / 0.06273
q 2.08750
Q 3.09887
ω 149.3126
Node 285.4728
m 17.2925
n 0.2360
Epoch 2460800.5
nobs 776
nopp 17
Years observed 1992-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.594
ep 0.182
sin(ip) 0.080
G 0.150
H 16.350
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.139
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5938 0.1816 0.0796 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
16.35 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 S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
S S 0.2977 0.2010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.3922 0.2010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X S 0.1509 0.2010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X S 0.3695 0.2010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT