1997 AK21

1997AK21, 07540, 1970 CO, 1970CO, 1976 UL2, 1976UL2, 1979 OW11, 1979OW11, 1986 HE, 1986HE, 1987 QX12, 1987QX12, 1992 WA9, 1992WA9, J70C00O, J76U02L, J79O11W, J86H00E, J87Q12X, J92W09A, J97A21K

All data for this body: [vot]

MPC data
Name (number) 1997 AK21 (7540)
a 2.46120
e 0.07634
i / sin(i) 5.2785 / 0.09200
q 2.27331
Q 2.64909
ω 303.2481
Node 216.3022
m 292.3029
n 0.2553
Epoch 2460200.5
nobs 3443
nopp 27
Years observed 1970-2023
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.460
ep 0.111
sin(ip) 0.103
Value Standard error
G 0.150
H 13.450
Mass
D 5.68 0.160
pV 0.287 0.0841
Rotational Period 2.936
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
2.4604 0.1110 0.1033 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.68 0.160 0.160 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.287 0.0841 0.0841 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
13.45 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.94 Durech 2023A&A...675A..24D Model