Helenlyons

1998 FH83, 1998FH83, 1999 NT38, 1999NT38, 33737, J98F83H, J99N38T

All data for this body: [vot]

MPC data
Name (number) Helenlyons (33737)
a 2.70639
e 0.19576
i / sin(i) 5.2601 / 0.09168
q 2.17659
Q 3.23619
ω 183.9761
Node 89.9144
m 305.6479
n 0.2214
Epoch 2460800.5
nobs 2471
nopp 23
Years observed 1991-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.705
ep 0.220
sin(ip) 0.064
G 0.150
H 14.570
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 15.066
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7051 0.2203 0.0640 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
14.57 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
L S 0.5279 0.6960 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
LS 0.47 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.4821 0.6960 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8339 0.6960 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8617 0.6960 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT