Keynes

09917, 1979 MK, 1979MK, 1997 QW, 1997QW, J79M00K, J97Q00W

All data for this body: [vot]

MPC data
Name (number) Keynes (9917)
a 2.37147
e 0.13244
i / sin(i) 6.3720 / 0.11098
q 2.05739
Q 2.68555
ω 171.2692
Node 163.6015
m 359.9640
n 0.2699
Epoch 2460200.5
nobs 3123
nopp 22
Years observed 1979-2023
rms 0.56
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 13.930
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-Oct-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-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.93 MPC-2023-12-04 MPC-2023-12-04 Phot