Davidallen

04499, 1931 WA, 1931WA, 1987 SR26, 1987SR26, 1989 AO3, 1989AO3, J31W00A, J87S26R, J89A03O

All data for this body: [vot]

MPC data
Name (number) Davidallen (4499)
a 3.18317
e 0.15249
i / sin(i) 6.5640 / 0.11431
q 2.69779
Q 3.66856
ω 90.3458
Node 317.5926
m 105.5092
n 0.1735
Epoch 2460200.5
nobs 3226
nopp 29
Years observed 1931-2023
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.170
ep 0.139
sin(ip) 0.136
Value Standard error
G 0.150
H 12.700
Mass
D 15.94 0.170
pV 0.076 0.0170
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1704 0.1392 0.1355 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.94 0.170 0.170 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.076 0.0170 0.0170 Masiero 2012ApJ...759L...8M 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
12.70 MPC-2023-12-04 MPC-2023-12-04 Phot