1997AC18

20188, J97A18C

All data for this body: [vot]

MPC data
Name (number) 1997AC18 (20188)
Packed designation 20188
a 2.59394
e 0.09572
i / sin(i) 8.6265 / 0.14999
q 2.34565
Q 2.84224
ω 107.0901
Node 101.6299
m 291.7701
n 0.2359
Epoch 2459600.5
nobs 2120
nopp 23
Years observed 1951-2022
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.594
ep 0.126
sin(ip) 0.134
Value Standard error
G 0.150
H 14.030
Mass
D 4.83 0.123
pV 0.229 0.0265
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5935 0.1257 0.1341 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.83 0.123 0.123 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.229 0.0265 0.0265 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
14.03 MPC-2022-01-18 MPC-2022-01-18 Phot