Demophon

04057, 1985TQ, J85T00Q

All data for this body: [vot]

MPC data
Name (number) Demophon (4057)
Packed designation 04057
a 5.24923
e 0.12051
i / sin(i) 2.8733 / 0.05013
q 4.61665
Q 5.88181
ω 59.9068
Node 24.2787
m 311.3900
n 0.0820
Epoch 2459600.5
nobs 2561
nopp 29
Years observed 1985-2022
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
Value Standard error
G 0.150
H 10.250
Mass
D 0.08 0.770
pV 0.077 0.0150
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.08 0.770 0.770 Grav 2012ApJ...759...49G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.077 0.0150 0.0150 Grav 2012ApJ...759...49G NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.25 MPC-2022-01-18 MPC-2022-01-18 Phot