1981 SU2

1981SU2, 05499, 1954 XH, 1954XH, 1986 AX1, 1986AX1, J54X00H, J81S02U, J86A01X

All data for this body: [vot]

MPC data
Name (number) 1981 SU2 (5499)
a 2.26851
e 0.13438
i / sin(i) 2.1212 / 0.03701
q 1.96367
Q 2.57336
ω 84.5933
Node 312.7905
m 68.0125
n 0.2885
Epoch 2460200.5
nobs 3172
nopp 24
Years observed 1950-2023
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.269
ep 0.116
sin(ip) 0.046
Value Standard error
G 0.150
H 13.920
Mass
D 3.81 0.111
pV 0.255 0.0501
Rotational Period 3.692
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2690 0.1163 0.0464 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.81 0.111 0.111 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.255 0.0501 0.0501 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
13.92 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
1.02 Erasmus 2018ApJS..237...19E Lightcurve
1.02 Erasmus 2019ApJS..242...15E Lightcurve
3.69 Behrend LCDB Lightcurve
3.69 Durech 2023A&A...675A..24D Model
3.75 Erasmus 2018ApJS..237...19E Lightcurve
3.75 Erasmus 2019ApJS..242...15E Lightcurve