1991 PW

1991PW, 08671, 1976 UE19, 1976UE19, 1996 XC27, 1996XC27, J76U19E, J91P00W, J96X27C

All data for this body: [vot]

MPC data
Name (number) 1991 PW (8671)
a 2.44842
e 0.21405
i / sin(i) 3.4638 / 0.06042
q 1.92433
Q 2.97250
ω 53.7043
Node 268.1963
m 288.4398
n 0.2573
Epoch 2460800.5
nobs 3102
nopp 24
Years observed 1976-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.450
ep 0.181
sin(ip) 0.078
G 0.150
H 14.760
Mass
D 6.27 0.202
pV 0.050 0.0116
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4495 0.1811 0.0783 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.83 1.470 1.470 Masiero 2020PSJ.....1....5M NEATM
6.24 0.206 0.206 Masiero 2011ApJ...741...68M NEATM
7.68 1.690 1.690 Masiero 2020PSJ.....1....5M NEATM
8.75 2.480 2.480 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.034 0.0210 0.0210 Masiero 2012ApJ...759L...8M NEATM
0.039 0.0190 0.0190 Masiero 2020PSJ.....1....5M NEATM
0.069 0.0530 0.0530 Masiero 2020PSJ.....1....5M NEATM
0.079 0.0220 0.0220 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
14.76 MPC-2023-12-04 MPC-2023-12-04 Phot