Demophon

04057, 1985 TQ, 1985TQ, J85T00Q

All data for this body: [vot]

MPC data
Name (number) Demophon (4057)
a 5.24049
e 0.11976
i / sin(i) 2.8731 / 0.05012
q 4.61290
Q 5.86807
ω 60.7550
Node 24.2708
m 359.9120
n 0.0822
Epoch 2460200.5
nobs 4156
nopp 31
Years observed 1985-2023
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
Value Standard error
G 0.150
H 10.320
Mass
D 45.68 6.580
pV 0.077 0.0150
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
45.68 6.580 6.580 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-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.32 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
29.31 Mottola 2011AJ....141..170M Lightcurve
29.82 Ryan 2017AJ....153..116R Lightcurve
29.93 Szabo 2017A&A...599A..44S Lightcurve