Robwilliams

2000 WM19, 2000WM19, 41800, K00W19M

All data for this body: [vot]

MPC data
Name (number) Robwilliams (41800)
a 2.60249
e 0.23518
i / sin(i) 24.9947 / 0.42254
q 1.99043
Q 3.21454
ω 271.7465
Node 220.3233
m 251.2914
n 0.2348
Epoch 2460800.5
nobs 2159
nopp 21
Years observed 1998-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.604
ep 0.187
sin(ip) 0.453
G 0.150
H 14.140
Mass
D 8.10 0.058
pV 0.070 0.0080
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 1.902
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6039 0.1873 0.4525 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.10 0.058 0.058 Masiero 2011ApJ...741...68M NEATM
8.82 2.400 2.400 Masiero 2020PSJ.....1....5M NEATM
9.08 2.800 2.800 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.038 0.0230 0.0230 Masiero 2020PSJ.....1....5M NEATM
0.054 0.0580 0.0580 Masiero 2020PSJ.....1....5M NEATM
0.075 0.0086 0.0086 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
14.14 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
X 0.317 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT