2009 TR21
2009TR21, K09T21R, W8721
All data for this body: [vot]
MPC data
| Name (number) |
2009 TR21 (328721) |
| a |
2.68830 |
| e |
0.22928 |
| i / sin(i) |
14.6263 /
0.25251
|
| q |
2.07193
|
| Q |
3.30467
|
| ω |
325.9905 |
| Node |
46.7894 |
| m |
204.5949 |
| n |
0.2236 |
| Epoch |
2460800.5 |
| nobs |
421 |
| nopp |
13 |
| Years observed |
2000-2025 |
| rms |
0.90 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.689 |
|
| ep |
0.199 |
|
| sin(ip) |
0.233 |
|
| G |
0.150 |
|
| H |
16.290 |
|
| 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 |
| 2.6891 |
0.1988 |
0.2332 |
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 |
| 16.29 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |