Hsieh

17857, 1968 UW2, 1968UW2, 1998 KR1, 1998KR1, 1999 SF4, 1999SF4, J68U02W, J98K01R, J99S04F

All data for this body: [vot]

MPC data
Name (number) Hsieh (17857)
a 2.69531
e 0.20411
i / sin(i) 13.2260 / 0.22879
q 2.14516
Q 3.24546
ω 271.0811
Node 50.8893
m 324.6609
n 0.2227
Epoch 2460800.5
nobs 3376
nopp 24
Years observed 1968-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.695
ep 0.161
sin(ip) 0.224
G 0.150
H 13.170
Mass
D 6.53 0.237
pV 0.217 0.0469
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia 0.7000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6951 0.1610 0.2242 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.53 0.237 0.237 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.217 0.0469 0.0469 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
13.17 MPC-2023-12-04 MPC-2023-12-04 Phot