1990QJ9

16484, 1981XN1, 1994LG3, 1998FL17, 1999LG23, J81X01N, J90Q09J, J94L03G, J98F17L, J99L23G

All data for this body: [vot]

MPC data
Name (number) 1990QJ9 (16484)
Packed designation 16484
a 2.90793
e 0.02026
i / sin(i) 2.8839 / 0.05031
q 2.84901
Q 2.96685
ω 238.9860
Node 47.7972
m 168.5699
n 0.1988
Epoch 2459600.5
nobs 1655
nopp 22
Years observed 1981-2022
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.909
ep 0.037
sin(ip) 0.040
Value Standard error
G 0.150
H 13.810
Mass
D 5.25 0.281
pV 0.232 0.0394
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 605 Koronis 0.3400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9088 0.0366 0.0401 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.25 0.281 0.281 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.232 0.0394 0.0394 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
13.81 MPC-2022-01-18 MPC-2022-01-18 Phot