1981 EM23

1981EM23, 1998 FB53, 1998FB53, 27687, J81E23M, J98F53B

All data for this body: [vot]

MPC data
Name (number) 1981 EM23 (27687)
a 3.13923
e 0.21869
i / sin(i) 9.9876 / 0.17344
q 2.45272
Q 3.82573
ω 41.4539
Node 3.0700
m 328.7456
n 0.1772
Epoch 2460200.5
nobs 1406
nopp 19
Years observed 1981-2023
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.150
ep 0.182
sin(ip) 0.178
Value Standard error
G 0.150
H 14.110
Mass
D 10.53 0.577
pV 0.045 0.0124
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1498 0.1824 0.1785 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.60 0.599 0.599 Masiero 2011ApJ...741...68M NEATM
9.54 2.910 2.910 Masiero 2020PSJ.....1....5M NEATM
9.67 3.220 3.220 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.043 0.0134 0.0134 Masiero 2011ApJ...741...68M NEATM
0.052 0.0270 0.0580 Masiero 2021PSJ.....2..162M NEATM
0.053 0.0530 0.0530 Masiero 2020PSJ.....1....5M 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
14.11 MPC-2023-12-04 MPC-2023-12-04 Phot