1998 HS121

1998HS121, 2000 WE38, 2000WE38, 42676, J98HC1S, K00W38E

All data for this body: [vot]

MPC data
Name (number) 1998 HS121 (42676)
a 2.76056
e 0.11145
i / sin(i) 10.3049 / 0.17889
q 2.45288
Q 3.06823
ω 152.1330
Node 98.4822
m 291.8755
n 0.2149
Epoch 2460800.5
nobs 1335
nopp 21
Years observed 1998-2025
rms 0.87
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.762
ep 0.136
sin(ip) 0.159
G 0.150
H 15.140
Mass
D
pV
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
1272 Gefion 0 Gefion Novakovic 2019EPSC...13.1671N HCM
1272 Gefion 516 Gefion -0.3000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7623 0.1361 0.1591 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
15.14 MPC-2023-12-04 MPC-2023-12-04 Phot