Rubincam

09921, 1981 EO18, 1981EO18, J81E18O

All data for this body: [vot]

MPC data
Name (number) Rubincam (9921)
a 2.37608
e 0.05998
i / sin(i) 2.3984 / 0.04185
q 2.23356
Q 2.51861
ω 89.2481
Node 331.1563
m 124.6270
n 0.2691
Epoch 2460800.5
nobs 2963
nopp 26
Years observed 1953-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.377
ep 0.063
sin(ip) 0.051
G 0.150
H 14.410
Mass
D 4.25 0.094
pV 0.204 0.0347
Value
Rotational Period 8.000
Period quality 3-
Spectral Class A
Spectral Class Score 2.028
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3765 0.0634 0.0507 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.25 0.094 0.094 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.204 0.0347 0.0347 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
14.41 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.01 3- Synodic Polishook 2012MNRAS.421.2094P Lightcurve
8.014 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A 0.338 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT