2009 HX4
2009HX4, 2003 TO52, 2003TO52, K03T52O, K09H04X, P7277
All data for this body: [vot]
MPC data
| Name (number) |
2009 HX4 (257277) |
| a |
2.30244 |
| e |
0.13440 |
| i / sin(i) |
6.0333 /
0.10511
|
| q |
1.99300
|
| Q |
2.61187
|
| ω |
237.6044 |
| Node |
52.0038 |
| m |
139.8875 |
| n |
0.2821 |
| Epoch |
2460800.5 |
| nobs |
438 |
| nopp |
15 |
| Years observed |
2002-2024 |
| rms |
0.88 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.301 |
|
| ep |
0.113 |
|
| sin(ip) |
0.095 |
|
| G |
0.150 |
|
| H |
17.210 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
A |
| Spectral Class Score |
0.172 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3012 |
0.1128 |
0.0948 |
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 |
| 17.21 |
|
|
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 |
| A |
A |
0.0287 |
0.0287 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |