1998 HE74

1998HE74, 74038, J98H74E

All data for this body: [vot]

MPC data
Name (number) 1998 HE74 (74038)
a 2.34796
e 0.16712
i / sin(i) 1.8533 / 0.03234
q 1.95556
Q 2.74036
ω 134.8589
Node 126.3949
m 149.2799
n 0.2739
Epoch 2460800.5
nobs 1376
nopp 19
Years observed 1998-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent Massalia (20)
 
ap 2.348
ep 0.169
sin(ip) 0.023
G 0.150
H 16.140
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 9.869
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
20 Massalia 0 Massalia Novakovic 2019EPSC...13.1671N HCM
20 Massalia 404 Massalia -1.7200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3476 0.1694 0.0230 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
16.14 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
K S 0.3132 0.6120 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7020 0.6120 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9428 0.6120 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT