2011 BL81
2011BL81, a9574, K11B81L
All data for this body: [vot]
MPC data
| Name (number) |
2011 BL81 (369574) |
| a |
2.65442 |
| e |
0.09339 |
| i / sin(i) |
3.4151 /
0.05957
|
| q |
2.40652
|
| Q |
2.90231
|
| ω |
140.8633 |
| Node |
260.8768 |
| m |
189.1667 |
| n |
0.2279 |
| Epoch |
2460800.5 |
| nobs |
283 |
| nopp |
13 |
| Years observed |
2005-2025 |
| rms |
0.94 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.654 |
|
| ep |
0.061 |
|
| sin(ip) |
0.076 |
|
| G |
0.150 |
|
| H |
16.890 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
0.920 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6539 |
0.0609 |
0.0763 |
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 |
| 16.89 |
|
|
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 |
S |
0.1534 |
0.1534 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |