1999TX258

1996BD15, 1997EU47, 20656, J96B15D, J97E47U, J99TP8X

All data for this body: [vot]

MPC data
Name (number) 1999TX258 (20656)
Packed designation 20656
a 3.21216
e 0.14133
i / sin(i) 2.0277 / 0.03538
q 2.75819
Q 3.66614
ω 216.6633
Node 41.5792
m 57.1820
n 0.1712
Epoch 2459600.5
nobs 1273
nopp 21
Years observed 1993-2021
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.199
ep 0.165
sin(ip) 0.031
Value Standard error
G 0.150
H 14.110
Mass
D 7.88 0.318
pV 0.071 0.0107
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 602 Themis 0.4200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1986 0.1651 0.0310 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.88 0.318 0.318 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.071 0.0107 0.0107 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
14.11 MPC-2022-01-18 MPC-2022-01-18 Phot