1981 TJ

1981TJ, 07384, 1986 WH9, 1986WH9, J81T00J, J86W09H

All data for this body: [vot]

MPC data
Name (number) 1981 TJ (7384)
a 2.79211
e 0.10969
i / sin(i) 4.3489 / 0.07583
q 2.48586
Q 3.09837
ω 126.9683
Node 231.0957
m 130.2067
n 0.2113
Epoch 2460800.5
nobs 3589
nopp 27
Years observed 1981-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.793
ep 0.071
sin(ip) 0.092
G 0.150
H 13.640
Mass
D 14.30 1.645
pV 0.031 0.0097
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7933 0.0714 0.0922 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.69 4.060 4.060 Masiero 2021PSJ.....2..162M NEATM
13.60 4.740 4.740 Nugent 2016AJ....152...63N NEATM
13.96 3.800 3.800 Masiero 2020PSJ.....1....5M NEATM
14.18 4.950 4.950 Masiero 2020PSJ.....1....5M NEATM
15.07 4.860 4.860 Masiero 2021PSJ.....2..162M NEATM
15.20 3.340 3.340 Masiero 2012ApJ...759L...8M NEATM
16.27 6.721 6.721 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.021 0.0157 0.0157 Masiero 2017AJ....154..168M NEATM
0.030 0.0170 0.0400 Masiero 2021PSJ.....2..162M NEATM
0.030 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM
0.035 0.0350 0.0350 Masiero 2020PSJ.....1....5M NEATM
0.037 0.0230 0.0230 Masiero 2020PSJ.....1....5M NEATM
0.037 0.0310 0.0310 Masiero 2012ApJ...759L...8M NEATM
0.044 0.0190 0.0350 Masiero 2021PSJ.....2..162M 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
13.64 MPC-2023-12-04 MPC-2023-12-04 Phot