Howell

15091, 1996 TT55, 1996TT55, 1997 WE22, 1997WE22, 1999 CM136, 1999CM136, J96T55T, J97W22E, J99CD6M

All data for this body: [vot]

MPC data
Name (number) Howell (15091)
a 3.23052
e 0.07505
i / sin(i) 7.2698 / 0.12654
q 2.98806
Q 3.47298
ω 312.3182
Node 305.0689
m 323.5137
n 0.1697
Epoch 2460200.5
nobs 1445
nopp 23
Years observed 1996-2023
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.235
ep 0.059
sin(ip) 0.146
Value Standard error
G 0.150
H 13.970
Mass
D 8.84 0.265
pV 0.082 0.0133
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2354 0.0588 0.1456 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.84 0.265 0.265 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.082 0.0133 0.0133 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
13.97 MPC-2023-12-04 MPC-2023-12-04 Phot