Kirkwood

01578, 1944DF, 1949TF, 1951AT, 1952FK, J44D00F, J49T00F, J51A00T, J52F00K

All data for this body: [vot]

MPC data
Name (number) Kirkwood (1578)
Packed designation 01578
a 3.92774
e 0.24081
i / sin(i) 0.8081 / 0.01410
q 2.98192
Q 4.87357
ω 1.7176
Node 73.9888
m 38.2605
n 0.1266
Epoch 2459600.5
nobs 3471
nopp 45
Years observed 1944-2022
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.966
ep 0.204
sin(ip) 0.010
Value Standard error
G 0.150
H 10.260
Mass
D 10.02 0.021
pV 0.052 0.0027
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.9665 0.2037 0.0096 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.00 0.021 0.021 Grav 2012ApJ...744..197G NEATM
45.40 2.158 2.158 Ryan&Woodward 2010AJ....140..933R IRAS-STM
50.93 10.190 10.190 Ali-Lagoa 2018A&A...612A..85A NEATM
51.88 1.800 1.800 Tedesco 2002AJ....123.1056T STM
53.84 5.380 5.380 Ali-Lagoa 2018A&A...612A..85A NEATM
57.14 1.270 1.270 Usui 2011PASJ...63.1117U NEATM
58.63 3.647 3.647 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.042 0.0050 0.0050 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.052 0.0040 0.0040 Tedesco 2002AJ....123.1056T STM
0.058 0.0120 0.0120 Ali-Lagoa 2018A&A...612A..85A NEATM
0.063 0.0100 0.0100 Grav 2012ApJ...744..197G NEATM
0.064 0.0260 0.0260 Ali-Lagoa 2018A&A...612A..85A NEATM
0.069 0.0073 0.0073 Ryan&Woodward 2010AJ....140..933R IRAS-STM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.26 MPC-2022-01-18 MPC-2022-01-18 Phot