2008 BL21
2008BL21, j0895, K08B21L
All data for this body: [vot]
MPC data
| Name (number) |
2008 BL21 (450895) |
| a |
2.57512 |
| e |
0.28869 |
| i / sin(i) |
3.8600 /
0.06732
|
| q |
1.83171
|
| Q |
3.31853
|
| ω |
96.1340 |
| Node |
325.6854 |
| m |
118.1232 |
| n |
0.2385 |
| Epoch |
2460800.5 |
| nobs |
471 |
| nopp |
9 |
| Years observed |
1998-2025 |
| rms |
0.70 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.575 |
|
| ep |
0.212 |
|
| sin(ip) |
0.086 |
|
| G |
0.150 |
|
| H |
17.520 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
V |
| Spectral Class Score |
2.286 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5751 |
0.2117 |
0.0864 |
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 |
| 17.52 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| V |
V |
0.3810 |
0.3810 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |