1981EN31

19112, 1999LQ11, J81E31N, J99L11Q

All data for this body: [vot]

MPC data
Name (number) 1981EN31 (19112)
Packed designation 19112
a 2.30711
e 0.11193
i / sin(i) 4.2139 / 0.07348
q 2.04887
Q 2.56534
ω 171.3346
Node 160.0077
m 90.5594
n 0.2813
Epoch 2459600.5
nobs 1699
nopp 20
Years observed 1981-2021
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.308
ep 0.069
sin(ip) 0.072
Value Standard error
G 0.150
H 15.440
Mass
D 4.46 0.073
pV 0.079 0.0057
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3075 0.0690 0.0722 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.15 0.910 0.910 Masiero 2021PSJ.....2..162M NEATM
4.30 0.960 0.960 Masiero 2020PSJ.....1....5M NEATM
4.46 0.074 0.074 Masiero 2011ApJ...741...68M NEATM
4.77 1.130 1.130 Masiero 2012ApJ...759L...8M NEATM
4.85 1.110 1.110 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.052 0.0380 0.0380 Masiero 2020PSJ.....1....5M NEATM
0.065 0.0420 0.0420 Masiero 2012ApJ...759L...8M NEATM
0.066 0.0540 0.0540 Masiero 2020PSJ.....1....5M NEATM
0.069 0.0380 0.0840 Masiero 2021PSJ.....2..162M NEATM
0.080 0.0059 0.0059 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.44 MPC-2022-01-18 MPC-2022-01-18 Phot