Keynes

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

All data for this body: [vot]

MPC data
Name (number) Keynes (9917)
a 2.37110
e 0.13363
i / sin(i) 6.3722 / 0.11099
q 2.05425
Q 2.68796
ω 171.1834
Node 163.5282
m 161.9442
n 0.2699
Epoch 2460800.5
nobs 6789
nopp 23
Years observed 1979-2025
rms 0.51
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.372
ep 0.093
sin(ip) 0.108
G 0.150
H 14.040
Mass
D 4.09 0.133
pV 0.421 0.0693
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 12.390
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 0 Vesta Novakovic 2019EPSC...13.1671N HCM
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-Nov-2024
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
14.04 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S 0.4648 0.3510 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.4733 0.3510 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
V 0.12 Bus VIS Carvano 2010A&A...510A..43C PHOT
V 0.981 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
V S 0.7107 0.3510 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT