1999 RA155

1999RA155, 40605, J99RF5A

All data for this body: [vot]

MPC data
Name (number) 1999 RA155 (40605)
a 2.79869
e 0.05352
i / sin(i) 6.2223 / 0.10839
q 2.64891
Q 2.94847
ω 229.5400
Node 186.9627
m 105.1007
n 0.2105
Epoch 2460800.5
nobs 1979
nopp 22
Years observed 1995-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.800
ep 0.044
sin(ip) 0.112
G 0.150
H 14.780
Mass
D 3.06 0.712
pV 0.327 0.1475
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.853
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7998 0.0436 0.1115 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.06 0.712 0.712 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.327 0.1475 0.1475 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
14.78 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
D S 0.0571 0.5330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.74 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.5622 0.5330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT