Sawilliams

18944, 1994 NE11, 1994NE11, 1998 FE45, 1998FE45, 1999 LO23, 1999LO23, 2000 QG61, 2000QG61, J94N11E, J98F45E, J99L23O, K00Q61G

All data for this body: [vot]

MPC data
Name (number) Sawilliams (18944)
a 3.06733
e 0.10035
i / sin(i) 3.4585 / 0.06032
q 2.75953
Q 3.37514
ω 228.5413
Node 114.0359
m 214.1865
n 0.1835
Epoch 2460800.5
nobs 2348
nopp 27
Years observed 1992-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.071
ep 0.068
sin(ip) 0.041
G 0.150
H 14.120
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.047
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0709 0.0677 0.0407 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
14.12 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 0.3521 0.4290 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.4890 0.4290 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT