1997CH9

19347, 1981UR28, 1990QR12, J81U28R, J90Q12R, J97C09H

All data for this body: [vot]

MPC data
Name (number) 1997CH9 (19347)
Packed designation 19347
a 2.78444
e 0.17359
i / sin(i) 5.3432 / 0.09312
q 2.30109
Q 3.26780
ω 49.0277
Node 339.0337
m 234.4264
n 0.2121
Epoch 2459600.5
nobs 1383
nopp 18
Years observed 1981-2021
rms 0.49
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.787
ep 0.135
sin(ip) 0.105
Value Standard error
G 0.150
H 14.330
Mass
D 6.41 0.042
pV 0.065 0.0101
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7865 0.1354 0.1052 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.40 0.042 0.042 Masiero 2011ApJ...741...68M NEATM
6.89 1.770 1.770 Masiero 2020PSJ.....1....5M NEATM
8.73 2.350 2.350 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.044 0.0270 0.0270 Masiero 2020PSJ.....1....5M NEATM
0.068 0.0113 0.0113 Masiero 2011ApJ...741...68M NEATM
0.071 0.0410 0.0410 Masiero 2020PSJ.....1....5M 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
14.33 MPC-2022-01-18 MPC-2022-01-18 Phot