1999 XR56
1999XR56, 2002 PM9, 2002PM9, J99X56R, K02P09M, L7727
All data for this body: [vot]
MPC data
| Name (number) |
1999 XR56 (217727) |
| a |
2.28265 |
| e |
0.18851 |
| i / sin(i) |
3.2633 /
0.05693
|
| q |
1.85236
|
| Q |
2.71294
|
| ω |
148.2452 |
| Node |
232.9536 |
| m |
166.0301 |
| n |
0.2858 |
| Epoch |
2460800.5 |
| nobs |
486 |
| nopp |
15 |
| Years observed |
1999-2025 |
| rms |
0.84 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.283 |
|
| ep |
0.157 |
|
| sin(ip) |
0.070 |
|
| G |
0.150 |
|
| H |
17.370 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
X |
| Spectral Class Score |
1.555 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2830 |
0.1572 |
0.0705 |
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 |
| 17.37 |
|
|
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 |
| X |
X |
0.2592 |
0.2592 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |