1990 QJ9
1990QJ9, 16484, 1981 XN1, 1981XN1, 1994 LG3, 1994LG3, 1998 FL17, 1998FL17, 1999 LG23, 1999LG23, J81X01N, J90Q09J, J94L03G, J98F17L, J99L23G
All data for this body: [vot]
MPC data
| Name (number) |
1990 QJ9 (16484) |
| a |
2.90923 |
| e |
0.01970 |
| i / sin(i) |
2.8838 /
0.05031
|
| q |
2.85192
|
| Q |
2.96653
|
| ω |
238.7069 |
| Node |
47.7916 |
| m |
288.0279 |
| n |
0.1986 |
| Epoch |
2460200.5 |
| nobs |
2071 |
| nopp |
23 |
| Years observed |
1981-2023 |
| rms |
0.63 |
Best values
|
Value |
Standard error |
| Parent |
Koronis (158) |
|
| |
|
|
| ap |
2.909 |
|
| ep |
0.037 |
|
| sin(ip) |
0.040 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
13.920 |
|
| Mass |
|
|
| D |
5.25 |
0.281 |
| pV |
0.232 |
0.0394 |
| Rotational Period |
7.160 |
Family data
| 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
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.9088 |
0.0366 |
0.0401 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 5.25 |
0.281 |
0.281 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.232 |
0.0394 |
0.0394 |
Masiero |
2011ApJ...741...68M |
NEATM |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2023-12-94 |
MPC-2023-12-94 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 13.92 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |