Williwaw

05445, 1970 JN, 1970JN, 1980 WZ1, 1980WZ1, 1987 SK19, 1987SK19, 1991 PA12, 1991PA12, J70J00N, J80W01Z, J87S19K, J91P12A

All data for this body: [vot]

MPC data
Name (number) Williwaw (5445)
a 2.55345
e 0.22117
i / sin(i) 6.1139 / 0.10651
q 1.98870
Q 3.11819
ω 330.2058
Node 259.7311
m 182.6090
n 0.2416
Epoch 2460800.5
nobs 4158
nopp 30
Years observed 1970-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.553
ep 0.245
sin(ip) 0.123
G 0.150
H 12.460
Mass
D 9.03 0.080
pV 0.283 0.0283
Value
Rotational Period 10.600
Period quality 3-
Spectral Class S
Spectral Class Score 12.903
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5525 0.2448 0.1226 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.80 0.110 0.110 Masiero 2014ApJ...791..121M NEATM
8.99 0.640 0.640 Usui 2011PASJ...63.1117U NEATM
9.31 0.119 0.119 Masiero 2011ApJ...741...68M NEATM
9.43 1.890 1.890 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.248 0.0990 0.0990 Ali-Lagoa 2018A&A...612A..85A NEATM
0.270 0.0438 0.0438 Masiero 2011ApJ...741...68M NEATM
0.300 0.0400 0.0400 Masiero 2014ApJ...791..121M 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
12.46 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.65 3- Synodic Marchini 2021MPBu...48..110M Lightcurve
13.5556 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.99 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
S S 0.1585 0.9500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9954 0.9500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT