1999 XT18
1999XT18, 1991 VF16, 1991VF16, 1995 WO33, 1995WO33, 41228, J91V16F, J95W33O, J99X18T
All data for this body: [vot]
MPC data
| Name (number) |
1999 XT18 (41228) |
| a |
2.55129 |
| e |
0.26376 |
| i / sin(i) |
3.5462 /
0.06185
|
| q |
1.87837
|
| Q |
3.22421
|
| ω |
158.1338 |
| Node |
176.0860 |
| m |
124.1865 |
| n |
0.2419 |
| Epoch |
2460800.5 |
| nobs |
1073 |
| nopp |
22 |
| Years observed |
1991-2025 |
| rms |
0.80 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.550 |
|
| ep |
0.225 |
|
| sin(ip) |
0.062 |
|
| G |
0.150 |
|
| H |
15.470 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
20.926 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5496 |
0.2246 |
0.0623 |
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 |
| 15.47 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |