1989 SL8

1989SL8, 2002 LM22, 2002LM22, 43780, J89S08L, K02L22M

All data for this body: [vot]

MPC data
Name (number) 1989 SL8 (43780)
a 2.27210
e 0.18946
i / sin(i) 4.1009 / 0.07151
q 1.84164
Q 2.70255
ω 359.4476
Node 5.0499
m 134.1123
n 0.2878
Epoch 2460800.5
nobs 1919
nopp 23
Years observed 1989-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.273
ep 0.147
sin(ip) 0.066
G 0.150
H 15.540
Mass
D 5.78 0.360
pV 0.036 0.0111
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2727 0.1473 0.0662 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.91 0.960 0.960 Masiero 2021PSJ.....2..162M NEATM
4.64 1.250 1.250 Masiero 2012ApJ...759L...8M NEATM
6.21 0.430 0.430 Usui 2011PASJ...63.1117U NEATM
6.52 1.300 1.300 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0120 0.0120 Ali-Lagoa 2018A&A...612A..85A NEATM
0.068 0.0390 0.0390 Masiero 2012ApJ...759L...8M NEATM
0.079 0.0330 0.0560 Masiero 2021PSJ.....2..162M 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
15.54 MPC-2023-12-04 MPC-2023-12-04 Phot