2008 HH9

2008HH9, 1997 GL30, 1997GL30, J97G30L, K08H09H, L8988

All data for this body: [vot]

MPC data
Name (number) 2008 HH9 (218988)
a 3.08914
e 0.05920
i / sin(i) 12.1067 / 0.20973
q 2.90628
Q 3.27201
ω 200.3047
Node 121.9359
m 314.8854
n 0.1815
Epoch 2460800.5
nobs 614
nopp 18
Years observed 1997-2024
rms 0.92
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.089
ep 0.043
sin(ip) 0.191
G 0.150
H 15.350
Mass
D 3.91 0.600
pV 0.096 0.0370
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0889 0.0430 0.1911 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.91 0.600 0.600 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.096 0.0370 0.0370 Masiero 2012ApJ...759L...8M 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
15.35 MPC-2023-12-04 MPC-2023-12-04 Phot