2009 SY254
2009SY254, K09SP4Y, T6695
All data for this body: [vot]
MPC data
| Name (number) |
2009 SY254 (296695) |
| a |
2.60813 |
| e |
0.21503 |
| i / sin(i) |
16.4123 /
0.28255
|
| q |
2.04731
|
| Q |
3.16895
|
| ω |
220.4047 |
| Node |
139.8252 |
| m |
265.5436 |
| n |
0.2340 |
| Epoch |
2460800.5 |
| nobs |
235 |
| nopp |
16 |
| Years observed |
2004-2025 |
| rms |
0.96 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.608 |
|
| ep |
0.171 |
|
| sin(ip) |
0.260 |
|
| G |
0.150 |
|
| H |
16.370 |
|
| Mass |
|
|
| D |
1.81 |
0.507 |
| pV |
0.196 |
0.1493 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6082 |
0.1712 |
0.2596 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 1.81 |
0.507 |
0.507 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.196 |
0.1493 |
0.1493 |
Masiero |
2011ApJ...741...68M |
NEATM |
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 |
| 16.37 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |