1990QA4

15253, 1991YM2, 1998XQ46, J90Q04A, J91Y02M, J98X46Q

All data for this body: [vot]

MPC data
Name (number) 1990QA4 (15253)
Packed designation 15253
a 2.32366
e 0.04402
i / sin(i) 4.8646 / 0.08480
q 2.22137
Q 2.42595
ω 253.8170
Node 337.9501
m 52.0758
n 0.2783
Epoch 2459600.5
nobs 2100
nopp 18
Years observed 1990-2021
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.324
ep 0.072
sin(ip) 0.088
Value Standard error
G 0.150
H 14.500
Mass
D 7.09 0.071
pV 0.062 0.0076
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3239 0.0722 0.0878 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.24 1.420 1.420 Masiero 2020PSJ.....1....5M NEATM
6.00 1.762 1.762 Masiero 2017AJ....154..168M NEATM
7.10 0.071 0.071 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.061 0.0077 0.0077 Masiero 2011ApJ...741...68M NEATM
0.084 0.0540 0.0540 Masiero 2017AJ....154..168M NEATM
0.102 0.0770 0.0770 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
14.50 MPC-2022-01-18 MPC-2022-01-18 Phot