Dougwelch

1991 PJ32, 1991PJ32, 1998 SX127, 1998SX127, 28131, J91P32J, J98SC7X

All data for this body: [vot]

MPC data
Name (number) Dougwelch (28131)
a 2.22706
e 0.14727
i / sin(i) 3.0382 / 0.05300
q 1.89908
Q 2.55504
ω 343.6313
Node 104.2360
m 125.4259
n 0.2966
Epoch 2460200.5
nobs 1920
nopp 19
Years observed 1991-2023
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.227
ep 0.176
sin(ip) 0.049
Value Standard error
G 0.150
H 15.510
Mass
D 2.20 0.177
pV 0.332 0.0596
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2267 0.1759 0.0485 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.18 0.185 0.185 Masiero 2011ApJ...741...68M NEATM
2.50 0.596 0.596 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.281 0.0894 0.0894 Masiero 2011ApJ...741...68M NEATM
0.373 0.0800 0.0800 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
15.51 MPC-2023-12-04 MPC-2023-12-04 Phot