Bobbywilliams

05642, 1990 OK1, 1990OK1, J90O01K

All data for this body: [vot]

MPC data
Name (number) Bobbywilliams (5642)
a 2.31591
e 0.33271
i / sin(i) 24.9504 / 0.42183
q 1.54539
Q 3.08643
ω 39.1390
Node 310.0462
m 298.3623
n 0.2797
Epoch 2460800.5
nobs 1687
nopp 24
Years observed 1975-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.334
ep 0.328
sin(ip) 0.412
G 0.150
H 14.200
Mass
D 3.84 0.348
pV 0.247 0.0463
Value
Rotational Period 4.834
Period quality 3
Spectral Class S
Spectral Class Score 28.390
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3342 0.3283 0.4120 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.14 0.540 0.540 Nugent 2016AJ....152...63N NEATM
4.30 0.600 0.600 Ali-Lagoa 2017A&A...603A..55A NEATM
4.40 0.700 0.700 Ali-Lagoa 2017A&A...603A..55A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.230 0.0700 0.0700 Ali-Lagoa 2017A&A...603A..55A NEATM
0.240 0.0700 0.0700 Ali-Lagoa 2017A&A...603A..55A NEATM
0.330 0.1300 0.1300 Nugent 2016AJ....152...63N 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
14.20 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.8341 3 Synodic Oey 2012MPBu...39..145O Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.565 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S Sr Bus-DeMeo NIR Binzel 2019Icar..324...41B SPEC