1997 JR9

1997JR9, 43987, J97J09R

All data for this body: [vot]

MPC data
Name (number) 1997 JR9 (43987)
a 2.72464
e 0.12649
i / sin(i) 13.2242 / 0.22876
q 2.37999
Q 3.06928
ω 76.3533
Node 132.7223
m 330.2956
n 0.2192
Epoch 2460200.5
nobs 1412
nopp 20
Years observed 1997-2023
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.725
ep 0.153
sin(ip) 0.219
Value Standard error
G 0.150
H 14.790
Mass
D 2.88 0.087
pV 0.337 0.0394
Rotational Period 12.019
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7253 0.1528 0.2186 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.88 0.087 0.087 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.337 0.0394 0.0394 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
14.79 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.02 Durech 2018A&A...617A..57D Model