2001 HH9

2001HH9, 1998 XX92, 1998XX92, 26725, J98X92X, K01H09H

All data for this body: [vot]

MPC data
Name (number) 2001 HH9 (26725)
a 3.16144
e 0.10107
i / sin(i) 13.5220 / 0.23382
q 2.84192
Q 3.48096
ω 150.4275
Node 204.4102
m 340.2297
n 0.1753
Epoch 2460800.5
nobs 2892
nopp 24
Years observed 1997-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.156
ep 0.088
sin(ip) 0.240
G 0.150
H 13.340
Mass
D 12.64 0.177
pV 0.048 0.0055
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 2.786
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1562 0.0879 0.2402 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.64 0.177 0.177 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.048 0.0055 0.0055 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
13.34 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&D D DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
S S 0.4644 0.4644 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT