1997XU9

39815, J97X09U

All data for this body: [vot]

MPC data
Name (number) 1997XU9 (39815)
Packed designation 39815
a 2.28337
e 0.25376
i / sin(i) 5.1969 / 0.09058
q 1.70394
Q 2.86281
ω 282.8047
Node 50.0822
m 60.6696
n 0.2857
Epoch 2459600.5
nobs 1480
nopp 20
Years observed 1990-2022
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.284
ep 0.205
sin(ip) 0.082
Value Standard error
G 0.150
H 15.450
Mass
D 1.91 0.237
pV 0.533 0.1438
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2839 0.2054 0.0821 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.91 0.237 0.237 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.533 0.1438 0.1438 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
15.45 MPC-2022-01-18 MPC-2022-01-18 Phot