Keynes

09917, 1979MK, 1997QW, J79M00K, J97Q00W

All data for this body: [vot]

MPC data
Name (number) Keynes (9917)
Packed designation 09917
a 2.37224
e 0.13238
i / sin(i) 6.3719 / 0.11098
q 2.05819
Q 2.68628
ω 171.0771
Node 163.6033
m 198.2555
n 0.2698
Epoch 2459600.5
nobs 2364
nopp 21
Years observed 1979-2022
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.372
ep 0.093
sin(ip) 0.108
Value Standard error
G 0.150
H 13.780
Mass
D 4.09 0.133
pV 0.421 0.0693
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 401 Vesta Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3716 0.0934 0.1079 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.09 0.133 0.133 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.421 0.0693 0.0693 Masiero 2011ApJ...741...68M NEATM
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
13.78 MPC-2022-01-18 MPC-2022-01-18 Phot