1998 HH4

1998HH4, 1999 SD4, 1999SD4, 44107, J98H04H, J99S04D

All data for this body: [vot]

MPC data
Name (number) 1998 HH4 (44107)
a 2.41815
e 0.12833
i / sin(i) 7.5724 / 0.13178
q 2.10782
Q 2.72848
ω 276.2302
Node 75.1171
m 155.2831
n 0.2621
Epoch 2460200.5
nobs 1457
nopp 19
Years observed 1998-2023
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.418
ep 0.093
sin(ip) 0.118
Value Standard error
G 0.150
H 15.230
Mass
D 2.14 0.237
pV 0.465 0.0535
Rotational Period 16.245
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
2.4185 0.0928 0.1182 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.14 0.237 0.237 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.465 0.0535 0.0535 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
15.23 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.25 Durech 2023A&A...675A..24D Model