2009 SR331
2009SR331, ~00QI, 2016 NC50, 2016NC50, K09SX1R, K16N50C
All data for this body: [vot]
MPC data
| Name (number) |
2009 SR331 (621630) |
| a |
2.31995 |
| e |
0.21147 |
| i / sin(i) |
2.3000 /
0.04013
|
| q |
1.82935
|
| Q |
2.81056
|
| ω |
209.2833 |
| Node |
137.6507 |
| m |
158.7305 |
| n |
0.2789 |
| Epoch |
2460800.5 |
| nobs |
98 |
| nopp |
8 |
| Years observed |
2002-2025 |
| rms |
0.40 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.321 |
|
| ep |
0.168 |
|
| sin(ip) |
0.031 |
|
| G |
0.150 |
|
| H |
18.390 |
|
| 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 |
| 2.3207 |
0.1682 |
0.0313 |
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 |
| 18.39 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |