1991 AD

1991AD, 07765, 1954 WT, 1954WT, 1981 YE1, 1981YE1, 1982 BN12, 1982BN12, 1985 UB1, 1985UB1, J54W00T, J81Y01E, J82B12N, J85U01B, J91A00D

All data for this body: [vot]

MPC data
Name (number) 1991 AD (7765)
a 2.69987
e 0.17250
i / sin(i) 7.6727 / 0.13351
q 2.23415
Q 3.16559
ω 126.6392
Node 261.5389
m 201.0846
n 0.2222
Epoch 2460200.5
nobs 6294
nopp 29
Years observed 1982-2023
rms 0.39
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
Value Standard error
G 0.150
H 13.090
Mass
D 7.78 0.272
pV 0.286 0.0260
Rotational Period
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.72 0.333 0.333 Masiero 2011ApJ...741...68M NEATM
7.91 0.472 0.472 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.283 0.0305 0.0305 Masiero 2011ApJ...741...68M NEATM
0.296 0.0496 0.0496 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
13.09 MPC-2023-12-04 MPC-2023-12-04 Phot