1998 HH4

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

All data for this body: [vot]

MPC data
Name (number) 1998 HH4 (44107)
a 2.41877
e 0.12788
i / sin(i) 7.5724 / 0.13178
q 2.10947
Q 2.72807
ω 276.2446
Node 75.1123
m 312.4618
n 0.2620
Epoch 2460800.5
nobs 1742
nopp 21
Years observed 1998-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.418
ep 0.093
sin(ip) 0.118
G 0.150
H 15.200
Mass
D 2.14 0.237
pV 0.465 0.0535
Value
Rotational Period 16.240
Period quality 2
Spectral Class V
Spectral Class Score 5.238
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 0 Vesta Novakovic 2019EPSC...13.1671N HCM
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-Nov-2024
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
15.20 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
16.245 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
V 0.873 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT