1997AT4

11640, 1990EJ3, J90E03J, J97A04T

All data for this body: [vot]

MPC data
Name (number) 1997AT4 (11640)
Packed designation 11640
a 2.38962
e 0.12181
i / sin(i) 5.1400 / 0.08959
q 2.09855
Q 2.68069
ω 87.9257
Node 299.4359
m 0.8959
n 0.2668
Epoch 2459600.5
nobs 1846
nopp 18
Years observed 1990-2021
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.390
ep 0.096
sin(ip) 0.103
Value Standard error
G 0.150
H 14.590
Mass
D 3.39 0.122
pV 0.222 0.0200
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
2.3898 0.0957 0.1029 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.39 0.122 0.122 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.222 0.0200 0.0200 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
14.59 MPC-2022-01-18 MPC-2022-01-18 Phot