1998 XR9
1998XR9, 14645, 1987 YM2, 1987YM2, J87Y02M, J98X09R
All data for this body: [vot]
MPC data
| Name (number) |
1998 XR9 (14645) |
| a |
2.43709 |
| e |
0.09961 |
| i / sin(i) |
5.6962 /
0.09925
|
| q |
2.19433
|
| Q |
2.67985
|
| ω |
356.2490 |
| Node |
231.6280 |
| m |
29.2373 |
| n |
0.2591 |
| Epoch |
2460200.5 |
| nobs |
3004 |
| nopp |
23 |
| Years observed |
1982-2023 |
| rms |
0.59 |
Best values
|
Value |
Standard error |
| Parent |
Vesta (4) |
|
| |
|
|
| ap |
2.438 |
|
| ep |
0.121 |
|
| sin(ip) |
0.111 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.200 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
2.837 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 4 |
Vesta |
401 |
Vesta |
|
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.4378 |
0.1209 |
0.1109 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
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 |
| 14.20 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Period data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.84 |
|
|
Pal |
2020ApJS..247...26P |
Lightcurve |
| 2.84 |
|
|
Fauerbach |
LCDB |
Lightcurve |