1999 TY251

1999TY251, 1998 HJ138, 1998HJ138, 42991, J98HD8J, J99TP1Y

All data for this body: [vot]

MPC data
Name (number) 1999 TY251 (42991)
a 2.38987
e 0.13544
i / sin(i) 7.4569 / 0.12978
q 2.06619
Q 2.71356
ω 186.7176
Node 107.2172
m 237.3952
n 0.2668
Epoch 2460200.5
nobs 1080
nopp 20
Years observed 1992-2023
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.390
ep 0.116
sin(ip) 0.113
Value Standard error
G 0.150
H 15.730
Mass
D 1.81 0.249
pV 0.342 0.1138
Rotational Period
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
2.3904 0.1157 0.1134 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.81 0.249 0.249 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.342 0.1138 0.1138 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
15.73 MPC-2023-12-04 MPC-2023-12-04 Phot