2008 BW21
2008BW21, 2005 EF199, 2005EF199, 2006 SR359, 2006SR359, 2006 US52, 2006US52, K05EJ9F, K06SZ9R, K06U52S, K08B21W, L8930
All data for this body: [vot]
MPC data
| Name (number) |
2008 BW21 (218930) |
| a |
2.19566 |
| e |
0.05651 |
| i / sin(i) |
2.0292 /
0.03541
|
| q |
2.07159
|
| Q |
2.31973
|
| ω |
279.8704 |
| Node |
337.1139 |
| m |
9.5851 |
| n |
0.3029 |
| Epoch |
2460800.5 |
| nobs |
338 |
| nopp |
17 |
| Years observed |
2000-2025 |
| rms |
0.88 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.196 |
|
| ep |
0.071 |
|
| sin(ip) |
0.034 |
|
| G |
0.150 |
|
| H |
17.650 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
5.730 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.1955 |
0.0706 |
0.0341 |
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 |
| 17.65 |
|
|
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 |
| S |
|
0.955 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |