2001 XY121
2001XY121, 2005 UX257, 2005UX257, K01XC1Y, K05UP7X, M2637
All data for this body: [vot]
MPC data
| Name (number) |
2001 XY121 (222637) |
| a |
2.55740 |
| e |
0.11206 |
| i / sin(i) |
3.2109 /
0.05601
|
| q |
2.27081
|
| Q |
2.84399
|
| ω |
216.1958 |
| Node |
194.0787 |
| m |
270.2493 |
| n |
0.2410 |
| Epoch |
2460800.5 |
| nobs |
376 |
| nopp |
16 |
| Years observed |
2001-2025 |
| rms |
0.87 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.557 |
|
| ep |
0.146 |
|
| sin(ip) |
0.075 |
|
| G |
0.150 |
|
| H |
17.080 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5570 |
0.1463 |
0.0750 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 17.08 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |