1989 RB

1989RB, 1985 SL5, 1985SL5, 1985 TK, 1985TK, 1985 TR1, 1985TR1, 52280, J85S05L, J85T00K, J85T01R, J89R00B

All data for this body: [vot]

MPC data
Name (number) 1989 RB (52280)
a 2.56589
e 0.31872
i / sin(i) 19.7313 / 0.33761
q 1.74810
Q 3.38368
ω 324.9220
Node 0.8962
m 252.6631
n 0.2398
Epoch 2460800.5
nobs 2379
nopp 23
Years observed 1985-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.566
ep 0.247
sin(ip) 0.322
G 0.150
H 14.260
Mass
D 6.85 0.980
pV 0.042 0.0168
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 1.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5655 0.2469 0.3216 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.31 1.410 1.410 Masiero 2020PSJ.....1....5M NEATM
7.74 1.950 1.950 Masiero 2021PSJ.....2..162M NEATM
8.79 2.430 2.430 Nugent 2016AJ....152...63N NEATM
8.85 3.070 3.070 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.055 0.1430 0.1430 Masiero 2012ApJ...759L...8M NEATM
0.062 0.0260 0.0440 Masiero 2021PSJ.....2..162M NEATM
0.125 0.0750 0.0750 Masiero 2020PSJ.....1....5M 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
14.26 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 None None Movis NIR Popescu 2018A&A...617A..12P PHOT