McKeegan

05663, 1981 EQ12, 1981EQ12, J81E12Q

All data for this body: [vot]

MPC data
Name (number) McKeegan (5663)
a 2.39034
e 0.26983
i / sin(i) 6.4538 / 0.11240
q 1.74536
Q 3.03533
ω 95.6848
Node 240.1039
m 39.9991
n 0.2667
Epoch 2460200.5
nobs 1789
nopp 24
Years observed 1978-2023
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.390
ep 0.221
sin(ip) 0.135
Value Standard error
G 0.150
H 14.970
Mass
D 5.20 0.291
pV 0.086 0.0173
Rotational Period 4.769
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3905 0.2207 0.1349 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.66 1.040 1.040 Masiero 2021PSJ.....2..162M NEATM
4.24 0.850 0.850 Masiero 2021PSJ.....2..162M NEATM
5.49 0.324 0.324 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.071 0.0220 0.0310 Masiero 2021PSJ.....2..162M NEATM
0.093 0.0238 0.0238 Masiero 2011ApJ...741...68M NEATM
0.157 0.0620 0.1020 Masiero 2021PSJ.....2..162M 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
14.97 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.77 Benishek 2020MPBu...47...75B Lightcurve
4.77 Pravec LCDB Lightcurve