1985 RB4

1985RB4, 09301, 1998 LO, 1998LO, 2297 T-1, 2297T-1, J85R04B, J98L00O, T1S2297

All data for this body: [vot]

MPC data
Name (number) 1985 RB4 (9301)
a 2.22826
e 0.22279
i / sin(i) 1.4535 / 0.02537
q 1.73183
Q 2.72469
ω 148.8351
Node 159.4817
m 355.6160
n 0.2963
Epoch 2460800.5
nobs 1947
nopp 22
Years observed 1971-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.229
ep 0.177
sin(ip) 0.024
G 0.150
H 15.640
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.364
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2290 0.1768 0.0241 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
15.64 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.894 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
SQ 0.78 Bus VIS Carvano 2010A&A...510A..43C PHOT