4209T-2

18257, 1998EP14, J98E14P, T-24209, T2S4209

All data for this body: [vot]

MPC data
Name (number) 4209T-2 (18257)
Packed designation 18257
a 3.09808
e 0.10617
i / sin(i) 5.8061 / 0.10116
q 2.76915
Q 3.42702
ω 186.4740
Node 42.6198
m 95.8510
n 0.1807
Epoch 2459600.5
nobs 1329
nopp 22
Years observed 1973-2021
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.086
ep 0.144
sin(ip) 0.090
Value Standard error
G 0.150
H 14.230
Mass
D 6.89 0.149
pV 0.093 0.0119
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0862 0.1444 0.0898 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.89 0.149 0.149 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.093 0.0119 0.0119 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
14.23 MPC-2022-01-18 MPC-2022-01-18 Phot