1998 HR66

1998HR66, 2003 ES51, 2003ES51, H5738, J98H66R, K03E51S

All data for this body: [vot]

MPC data
Name (number) 1998 HR66 (175738)
a 3.05473
e 0.14350
i / sin(i) 11.5023 / 0.19941
q 2.61637
Q 3.49309
ω 119.3769
Node 187.1228
m 298.5552
n 0.1846
Epoch 2460800.5
nobs 1067
nopp 21
Years observed 1994-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.057
ep 0.117
sin(ip) 0.204
G 0.150
H 15.100
Mass
D 3.00 0.729
pV 0.258 0.1257
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 9.780
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0571 0.1175 0.2037 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.00 0.729 0.729 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.258 0.1257 0.1257 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
15.10 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 0.10 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.592 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.3987 0.4220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6060 0.4220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X S 0.0991 0.4220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT