2004 XX21
2004XX21, K04X21X, M3940
All data for this body: [vot]
MPC data
| Name (number) |
2004 XX21 (223940) |
| a |
3.17212 |
| e |
0.17683 |
| i / sin(i) |
3.9918 /
0.06961
|
| q |
2.61119
|
| Q |
3.73306
|
| ω |
186.2106 |
| Node |
282.0834 |
| m |
194.5837 |
| n |
0.1745 |
| Epoch |
2460800.5 |
| nobs |
681 |
| nopp |
16 |
| Years observed |
2003-2025 |
| rms |
0.84 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.177 |
|
| ep |
0.180 |
|
| sin(ip) |
0.087 |
|
| G |
0.150 |
|
| H |
15.360 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
C |
| Spectral Class Score |
3.173 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1766 |
0.1798 |
0.0866 |
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 |
| 15.36 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |