2002 WW21

2002WW21, 2006 TH77, 2006TH77, H6944, K02W21W, K06T77H

All data for this body: [vot]

MPC data
Name (number) 2002 WW21 (176944)
a 2.57895
e 0.05936
i / sin(i) 10.3320 / 0.17935
q 2.42587
Q 2.73203
ω 313.3263
Node 89.3329
m 162.0814
n 0.2380
Epoch 2460800.5
nobs 509
nopp 16
Years observed 2002-2025
rms 0.93
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.579
ep 0.048
sin(ip) 0.163
G 0.150
H 16.290
Mass
D 2.30 0.576
pV 0.133 0.0454
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 39.395
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5789 0.0484 0.1631 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.30 0.576 0.576 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.133 0.0454 0.0454 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
16.29 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
D S 0.1784 0.6890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.0323 0.6890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.3145 0.6890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.3753 0.6890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.3832 0.6890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6203 0.6890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6823 0.6890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7815 0.6890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7986 0.6890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8248 0.6890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8429 0.6890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9101 0.6890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.0972 0.6890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.2555 0.6890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.5595 0.6890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT