1999 RU231

1999RU231, 40696, J99RN1U

All data for this body: [vot]

MPC data
Name (number) 1999 RU231 (40696)
a 2.63477
e 0.06721
i / sin(i) 15.2587 / 0.26318
q 2.45769
Q 2.81186
ω 254.3558
Node 128.2036
m 321.3243
n 0.2305
Epoch 2460800.5
nobs 1668
nopp 22
Years observed 1998-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.635
ep 0.037
sin(ip) 0.251
G 0.150
H 14.620
Mass
D 3.21 0.542
pV 0.298 0.1323
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 3.732
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6352 0.0374 0.2508 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.21 0.542 0.542 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.298 0.1323 0.1323 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
14.62 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
S S 0.6220 0.6220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT