McSween

05223, 1981 EX6, 1981EX6, J81E06X

All data for this body: [vot]

MPC data
Name (number) McSween (5223)
a 3.19628
e 0.17870
i / sin(i) 16.9707 / 0.29188
q 2.62510
Q 3.76746
ω 19.9533
Node 341.5278
m 74.3421
n 0.1725
Epoch 2460800.5
nobs 2463
nopp 24
Years observed 1981-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.195
ep 0.172
sin(ip) 0.292
G 0.150
H 13.220
Mass
D 12.66 0.175
pV 0.039 0.0046
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1950 0.1715 0.2922 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.59 0.190 0.190 Masiero 2011ApJ...741...68M NEATM
13.09 0.453 0.453 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.037 0.0077 0.0077 Masiero 2011ApJ...741...68M NEATM
0.041 0.0057 0.0057 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
13.22 MPC-2023-12-04 MPC-2023-12-04 Phot