Heidilarson

1997 GV9, 1997GV9, 1998 TD33, 1998TD33, 27084, J97G09V, J98T33D

All data for this body: [vot]

MPC data
Name (number) Heidilarson (27084)
a 2.16337
e 0.19559
i / sin(i) 2.6732 / 0.04664
q 1.74025
Q 2.58650
ω 154.3803
Node 196.6827
m 149.2810
n 0.3097
Epoch 2460800.5
nobs 2060
nopp 20
Years observed 1997-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.164
ep 0.131
sin(ip) 0.055
G 0.150
H 15.940
Mass
D 1.61 0.237
pV 0.359 0.1029
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 9.681
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1637 0.1307 0.0549 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.61 0.237 0.237 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.359 0.1029 0.1029 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
15.94 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 0.891 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.7225 0.5900 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.5540 0.5900 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT