1999 XT157
1999XT157, 1998 QY87, 1998QY87, 41309, J98Q87Y, J99XF7T
All data for this body: [vot]
MPC data
| Name (number) |
1999 XT157 (41309) |
| a |
3.06099 |
| e |
0.05500 |
| i / sin(i) |
10.1157 /
0.17564
|
| q |
2.89263
|
| Q |
3.22935
|
| ω |
129.3777 |
| Node |
247.4311 |
| m |
330.5320 |
| n |
0.1840 |
| Epoch |
2460800.5 |
| nobs |
2141 |
| nopp |
21 |
| Years observed |
1998-2025 |
| rms |
0.73 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.061 |
|
| ep |
0.028 |
|
| sin(ip) |
0.194 |
|
| G |
0.150 |
|
| H |
13.870 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
K |
| Spectral Class Score |
3.042 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0609 |
0.0284 |
0.1936 |
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 |
| 13.87 |
|
|
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 |
| K |
|
0.507 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |