1999 XY87
1999XY87, 1993 BG7, 1993BG7, 1998 SE9, 1998SE9, 49839, J93B07G, J98S09E, J99X87Y
All data for this body: [vot]
MPC data
| Name (number) |
1999 XY87 (49839) |
| a |
2.35752 |
| e |
0.14518 |
| i / sin(i) |
4.3073 /
0.07511
|
| q |
2.01525
|
| Q |
2.69980
|
| ω |
302.8211 |
| Node |
250.3619 |
| m |
116.6247 |
| n |
0.2723 |
| Epoch |
2460200.5 |
| nobs |
1988 |
| nopp |
20 |
| Years observed |
1993-2023 |
| rms |
0.67 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.358 |
|
| ep |
0.180 |
|
| sin(ip) |
0.091 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.860 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3585 |
0.1803 |
0.0915 |
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 |
| 14.86 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Period data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 11.47 |
|
|
Durech |
2023A&A...675A..24D |
Model |