Cofer

1981 UD28, 1981UD28, 1998 QT18, 1998QT18, 23788, J81U28D, J98Q18T

All data for this body: [vot]

MPC data
Name (number) Cofer (23788)
a 2.28666
e 0.14880
i / sin(i) 2.8542 / 0.04979
q 1.94641
Q 2.62690
ω 64.2190
Node 237.7990
m 109.9606
n 0.2850
Epoch 2460200.5
nobs 2240
nopp 21
Years observed 1981-2023
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.287
ep 0.117
sin(ip) 0.063
Value Standard error
G 0.150
H 14.570
Mass
D 3.64 0.162
pV 0.278 0.0668
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2865 0.1166 0.0627 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.64 0.162 0.162 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.278 0.0668 0.0668 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
14.57 MPC-2023-12-04 MPC-2023-12-04 Phot