1991 RU9

1991RU9, 1998 SQ130, 1998SQ130, 52303, J91R09U, J98SD0Q

All data for this body: [vot]

MPC data
Name (number) 1991 RU9 (52303)
a 2.28810
e 0.16691
i / sin(i) 1.1643 / 0.02032
q 1.90620
Q 2.67001
ω 65.0611
Node 280.4725
m 268.4343
n 0.2848
Epoch 2460800.5
nobs 2666
nopp 20
Years observed 1991-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.288
ep 0.123
sin(ip) 0.035
G 0.150
H 15.230
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class K
Spectral Class Score 1.308
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2880 0.1228 0.0355 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
15.23 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
Ds Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT
K 0.218 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT