1990QX4

19154, 1999JK1, J90Q04X, J99J01K

All data for this body: [vot]

MPC data
Name (number) 1990QX4 (19154)
Packed designation 19154
a 2.18275
e 0.18249
i / sin(i) 5.1969 / 0.09058
q 1.78442
Q 2.58108
ω 289.3477
Node 46.8686
m 266.5231
n 0.3056
Epoch 2459600.5
nobs 1846
nopp 18
Years observed 1990-2021
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.182
ep 0.117
sin(ip) 0.082
Value Standard error
G 0.150
H 15.030
Mass
D 2.69 0.575
pV 0.245 0.0947
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1821 0.1174 0.0817 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.69 0.575 0.575 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.245 0.0947 0.0947 Masiero 2017AJ....154..168M 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
15.03 MPC-2022-01-18 MPC-2022-01-18 Phot