1999 XY221
1999XY221, 2001 FY68, 2001FY68, 47452, J99XM1Y, K01F68Y
All data for this body: [vot]
MPC data
| Name (number) |
1999 XY221 (47452) |
| a |
2.38853 |
| e |
0.09181 |
| i / sin(i) |
6.5141 /
0.11345
|
| q |
2.16924
|
| Q |
2.60782
|
| ω |
241.8953 |
| Node |
42.9896 |
| m |
305.6221 |
| n |
0.2670 |
| Epoch |
2460200.5 |
| nobs |
1656 |
| nopp |
19 |
| Years observed |
1991-2023 |
| rms |
0.64 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.388 |
|
| ep |
0.081 |
|
| sin(ip) |
0.103 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.330 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3884 |
0.0810 |
0.1034 |
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 |
| 15.33 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |