1987 ST11

1987ST11, 09740, 1969 UQ2, 1969UQ2, J69U02Q, J87S11T

All data for this body: [vot]

MPC data
Name (number) 1987 ST11 (9740)
a 2.36063
e 0.13090
i / sin(i) 5.7839 / 0.10078
q 2.05162
Q 2.66965
ω 356.4722
Node 45.2154
m 302.6915
n 0.2717
Epoch 2460200.5
nobs 2575
nopp 21
Years observed 1971-2023
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.361
ep 0.114
sin(ip) 0.088
Value Standard error
G 0.150
H 14.150
Mass
D 7.66 0.065
pV 0.094 0.0088
Rotational Period 10.300
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3611 0.1137 0.0880 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.26 1.550 1.550 Masiero 2020PSJ.....1....5M NEATM
7.24 2.590 2.590 Masiero 2021PSJ.....2..162M NEATM
7.33 1.649 1.649 Masiero 2017AJ....154..168M NEATM
7.66 0.065 0.065 Masiero 2011ApJ...741...68M NEATM
9.19 4.010 4.010 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.063 0.1100 0.1100 Masiero 2012ApJ...759L...8M NEATM
0.082 0.0461 0.0461 Masiero 2017AJ....154..168M NEATM
0.085 0.0510 0.0510 Masiero 2020PSJ.....1....5M NEATM
0.085 0.0400 0.0780 Masiero 2021PSJ.....2..162M NEATM
0.095 0.0093 0.0093 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
14.15 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.15 Durech 2020A&A...643A..59D Model
10.15 Durech 2023A&A...675A..24D Model
10.30 Yeh 2020AJ....160...73Y Lightcurve