2011 SB221
2011SB221, K11SM1B, t3579
All data for this body: [vot]
MPC data
| Name (number) |
2011 SB221 (553579) |
| a |
1.96525 |
| e |
0.12352 |
| i / sin(i) |
22.2746 /
0.37905
|
| q |
1.72250
|
| Q |
2.20800
|
| ω |
118.9655 |
| Node |
183.5755 |
| m |
28.8907 |
| n |
0.3577 |
| Epoch |
2460800.5 |
| nobs |
154 |
| nopp |
8 |
| Years observed |
2011-2025 |
| rms |
0.89 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
1.965 |
|
| ep |
0.121 |
|
| sin(ip) |
0.345 |
|
| G |
0.150 |
|
| H |
18.790 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
2.582 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 1.9653 |
0.1210 |
0.3450 |
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 |
| 18.79 |
|
|
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 |
0.4304 |
0.3710 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |