Davidlau

1978 VH2, 1978VH2, 1981 QE4, 1981QE4, 1981 RC3, 1981RC3, 1998 MF29, 1998MF29, 1999 XD101, 1999XD101, 25517, J78V02H, J81Q04E, J81R03C, J98M29F, J99XA1D

All data for this body: [vot]

MPC data
Name (number) Davidlau (25517)
a 2.27746
e 0.13110
i / sin(i) 2.6315 / 0.04591
q 1.97889
Q 2.57603
ω 27.1825
Node 298.9161
m 259.8839
n 0.2868
Epoch 2460800.5
nobs 3070
nopp 22
Years observed 1978-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.278
ep 0.087
sin(ip) 0.055
G 0.150
H 14.500
Mass
D 3.49 0.092
pV 0.303 0.0729
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2777 0.0871 0.0553 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.49 0.092 0.092 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.303 0.0729 0.0729 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
14.50 MPC-2023-12-04 MPC-2023-12-04 Phot