Ranke

1991 RV4, 1991RV4, 20012, J91R04V

All data for this body: [vot]

MPC data
Name (number) Ranke (20012)
a 2.61826
e 0.11270
i / sin(i) 2.6037 / 0.04543
q 2.32319
Q 2.91333
ω 140.2091
Node 232.9416
m 333.1842
n 0.2326
Epoch 2460800.5
nobs 1754
nopp 23
Years observed 1991-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.618
ep 0.061
sin(ip) 0.061
G 0.150
H 14.800
Mass
D 3.04 1.061
pV 0.332 0.1433
Value
Rotational Period 7.570
Period quality 2
Spectral Class S
Spectral Class Score 2.908
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6184 0.0610 0.0609 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.04 1.061 1.061 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.332 0.1433 0.1433 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
14.80 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.572 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
7.576 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
S S 0.4846 0.4846 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT