2009 HR57
2009HR57, K09H57R, Q3939
All data for this body: [vot]
MPC data
| Name (number) |
2009 HR57 (263939) |
| a |
2.67692 |
| e |
0.22790 |
| i / sin(i) |
8.1949 /
0.14254
|
| q |
2.06686
|
| Q |
3.28698
|
| ω |
341.3330 |
| Node |
213.0677 |
| m |
254.8307 |
| n |
0.2250 |
| Epoch |
2460800.5 |
| nobs |
366 |
| nopp |
12 |
| Years observed |
2000-2024 |
| rms |
0.86 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.675 |
|
| ep |
0.260 |
|
| sin(ip) |
0.148 |
|
| G |
0.150 |
|
| H |
16.750 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
3.088 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6747 |
0.2603 |
0.1485 |
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 |
| 16.75 |
|
|
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 |
0.5146 |
0.5146 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |