1998 HQ121

1998HQ121, 1999 TT240, 1999TT240, 44153, J98HC1Q, J99TO0T

All data for this body: [vot]

MPC data
Name (number) 1998 HQ121 (44153)
a 2.31876
e 0.09218
i / sin(i) 7.1744 / 0.12489
q 2.10500
Q 2.53251
ω 109.1683
Node 162.0600
m 193.5419
n 0.2791
Epoch 2460800.5
nobs 1512
nopp 21
Years observed 1960-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.318
ep 0.085
sin(ip) 0.126
G 0.150
H 15.820
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 4.943
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
2.3177 0.0850 0.1260 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
15.82 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X X 0.2059 0.3440 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B 0.672 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
B X 0.1025 0.3440 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C X 0.4275 0.3440 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V X 0.2075 0.3440 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.6180 0.3440 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT