1981EN45

99997, J81E45N

All data for this body: [vot]

MPC data
Name (number) 1981EN45 (99997)
Packed designation 99997
a 2.24467
e 0.19797
i / sin(i) 3.2500 / 0.05669
q 1.80029
Q 2.68905
ω 107.0088
Node 304.4393
m 160.7159
n 0.2931
Epoch 2459600.5
nobs 943
nopp 16
Years observed 1981-2021
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.244
ep 0.190
sin(ip) 0.067
Value Standard error
G 0.150
H 15.950
Mass
D 3.02 0.450
pV 0.078 0.0269
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2444 0.1900 0.0666 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.87 0.560 0.560 Masiero 2021PSJ.....2..162M NEATM
3.26 1.038 1.038 Masiero 2017AJ....154..168M NEATM
3.36 1.110 1.110 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.066 0.0366 0.0366 Masiero 2017AJ....154..168M NEATM
0.082 0.0840 0.0840 Masiero 2012ApJ...759L...8M NEATM
0.096 0.0350 0.0550 Masiero 2021PSJ.....2..162M 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
15.95 MPC-2022-01-18 MPC-2022-01-18 Phot