1998 HP121

1998HP121, 2001 CM17, 2001CM17, 74048, J98HC1P, K01C17M

All data for this body: [vot]

MPC data
Name (number) 1998 HP121 (74048)
a 2.25169
e 0.10462
i / sin(i) 5.7017 / 0.09935
q 2.01611
Q 2.48726
ω 88.4980
Node 100.6138
m 24.1584
n 0.2917
Epoch 2460800.5
nobs 1057
nopp 18
Years observed 1998-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.252
ep 0.154
sin(ip) 0.092
G 0.150
H 16.420
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.886
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
298 Baptistina 0 Baptistina Novakovic 2019EPSC...13.1671N HCM
8 Flora 402 Flora 0.1500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2515 0.1542 0.0918 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
16.42 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
S 0.981 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT