1991 BT

1991BT, 17469, 1977 KL, 1977KL, 1988 PJ3, 1988PJ3, 1999 JR63, 1999JR63, J77K00L, J88P03J, J91B00T, J99J63R

All data for this body: [vot]

MPC data
Name (number) 1991 BT (17469)
a 2.37073
e 0.08318
i / sin(i) 6.1766 / 0.10759
q 2.17353
Q 2.56793
ω 336.6691
Node 210.9106
m 287.8194
n 0.2700
Epoch 2460200.5
nobs 3464
nopp 26
Years observed 1954-2023
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.371
ep 0.123
sin(ip) 0.116
Value Standard error
G 0.150
H 13.510
Mass
D 6.00 0.173
pV 0.258 0.0345
Rotational Period 17.172
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
2.3711 0.1231 0.1163 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.00 0.173 0.173 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.258 0.0345 0.0345 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
13.51 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.17 Waszczak 2015AJ....150...75W Lightcurve
17.18 Durech 2020A&A...643A..59D Model