1999 XT217
1999XT217, I9490, J99XL7T
All data for this body: [vot]
MPC data
| Name (number) |
1999 XT217 (189490) |
| a |
2.97911 |
| e |
0.11566 |
| i / sin(i) |
1.0159 /
0.01773
|
| q |
2.63456
|
| Q |
3.32366
|
| ω |
339.6845 |
| Node |
59.7664 |
| m |
34.1386 |
| n |
0.1917 |
| Epoch |
2460800.5 |
| nobs |
476 |
| nopp |
21 |
| Years observed |
1993-2024 |
| rms |
0.92 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.978 |
|
| ep |
0.084 |
|
| sin(ip) |
0.013 |
|
| G |
0.150 |
|
| H |
16.220 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
C |
| Spectral Class Score |
2.046 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.9777 |
0.0838 |
0.0129 |
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 |
| 16.22 |
|
|
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 |
| C |
|
0.19 |
|
Bus |
VIS |
Carvano |
2010A&A...510A..43C |
PHOT |
| C |
C |
0.2776 |
0.2776 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |