Hecamede

09857, 1991 EN, 1991EN, 1994 NH1, 1994NH1, J91E00N, J94N01H

All data for this body: [vot]

MPC data
Name (number) Hecamede (9857)
a 5.16969
e 0.02466
i / sin(i) 19.5965 / 0.33539
q 5.04220
Q 5.29719
ω 5.0951
Node 289.4021
m 227.2714
n 0.0839
Epoch 2460800.5
nobs 3902
nopp 27
Years observed 1991-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 10.330
Mass
D 48.16 0.429
pV 0.067 0.0077
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
38.63 3.360 3.360 Usui 2011PASJ...63.1117U NEATM
39.66 7.930 7.930 Ali-Lagoa 2018A&A...612A..85A NEATM
46.00 0.750 0.750 Grav 2011ApJ...742...40G NEATM
49.52 0.530 0.530 Grav 2012ApJ...759...49G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0100 0.0100 Grav 2012ApJ...759...49G NEATM
0.076 0.0130 0.0130 Grav 2011ApJ...742...40G NEATM
0.088 0.0350 0.0350 Ali-Lagoa 2018A&A...612A..85A 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
10.33 MPC-2023-12-04 MPC-2023-12-04 Phot