1991AB2

11512, 1969UO1, 1996TG51, J69U01O, J91A02B, J96T51G

All data for this body: [vot]

MPC data
Name (number) 1991AB2 (11512)
Packed designation 11512
a 2.26750
e 0.12506
i / sin(i) 4.0350 / 0.07037
q 1.98394
Q 2.55107
ω 333.1873
Node 175.4560
m 2.2437
n 0.2887
Epoch 2459600.5
nobs 2875
nopp 20
Years observed 1990-2022
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.268
ep 0.177
sin(ip) 0.079
Value Standard error
G 0.150
H 13.810
Mass
D 4.35 0.072
pV 0.372 0.0557
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2677 0.1768 0.0787 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.35 0.072 0.072 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.372 0.0557 0.0557 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.81 MPC-2022-01-18 MPC-2022-01-18 Phot