2009 HD99

2009HD99, i1810, K09H99D

All data for this body: [vot]

MPC data
Name (number) 2009 HD99 (441810)
a 2.77393
e 0.09669
i / sin(i) 2.5026 / 0.04367
q 2.50571
Q 3.04215
ω 215.9357
Node 61.1051
m 117.0556
n 0.2133
Epoch 2460800.5
nobs 183
nopp 13
Years observed 2001-2024
rms 0.99
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.775
ep 0.103
sin(ip) 0.031
G 0.150
H 17.430
Mass
D 2.53 0.680
pV 0.033 0.0195
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7748 0.1032 0.0308 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.53 0.680 0.680 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.033 0.0195 0.0195 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
17.43 MPC-2023-12-04 MPC-2023-12-04 Phot