Tonkoopman

1105 T-2, 1105T-2, 12639, 1982 XA4, 1982XA4, J82X04A, T2S1105

All data for this body: [vot]

MPC data
Name (number) Tonkoopman (12639)
a 2.62073
e 0.13751
i / sin(i) 2.6891 / 0.04692
q 2.26036
Q 2.98110
ω 303.9836
Node 184.0118
m 166.2162
n 0.2323
Epoch 2460200.5
nobs 1823
nopp 23
Years observed 1973-2023
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.621
ep 0.167
sin(ip) 0.052
Value Standard error
G 0.150
H 14.800
Mass
D 5.50 0.490
pV 0.098 0.0117
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6212 0.1670 0.0518 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.21 0.980 0.980 Masiero 2020PSJ.....1....5M NEATM
5.60 0.566 0.566 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.094 0.0430 0.0430 Masiero 2020PSJ.....1....5M NEATM
0.099 0.0122 0.0122 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
14.80 MPC-2023-12-04 MPC-2023-12-04 Phot