2008 EM9

2008EM9, a4877, K08E09M

All data for this body: [vot]

MPC data
Name (number) 2008 EM9 (364877)
a 1.95872
e 0.85255
i / sin(i) 9.4417 / 0.16404
q 0.28882
Q 3.62862
ω 181.7901
Node 229.6828
m 113.1979
n 0.3595
Epoch 2460800.5
nobs 510
nopp 13
Years observed 2008-2024
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 17.340
Mass
D 0.79 0.026
pV 0.297 0.0591
Value
Rotational Period 43.658
Period quality 2
Spectral Class None
Spectral Class Score
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.79 0.026 0.026 Mainzer 2011ApJ...743..156M NEATM
1.21 0.410 0.410 Masiero 2021PSJ.....2..162M NEATM
1.80 0.402 0.402 Masiero 2020PSJ.....1....9M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.214 0.0950 0.1710 Masiero 2021PSJ.....2..162M NEATM
0.317 0.0660 0.0660 Mainzer 2011ApJ...743..156M 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
17.34 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
43.6586 2 Synodic Pal 2020ApJS..247...26P Lightcurve