1999 XU18
1999XU18, 13834, 1995 XQ2, 1995XQ2, 1997 EY33, 1997EY33, 1998 HP89, 1998HP89, J95X02Q, J97E33Y, J98H89P, J99X18U
All data for this body: [vot]
MPC data
| Name (number) |
1999 XU18 (13834) |
| a |
2.58366 |
| e |
0.20144 |
| i / sin(i) |
3.5674 /
0.06222
|
| q |
2.06321
|
| Q |
3.10411
|
| ω |
259.9882 |
| Node |
73.4347 |
| m |
89.1241 |
| n |
0.2373 |
| Epoch |
2460800.5 |
| nobs |
3342 |
| nopp |
24 |
| Years observed |
1992-2025 |
| rms |
0.70 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.582 |
|
| ep |
0.159 |
|
| sin(ip) |
0.044 |
|
| G |
0.150 |
|
| H |
14.010 |
|
| Mass |
|
|
| D |
4.86 |
0.209 |
| pV |
0.247 |
0.0543 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5817 |
0.1587 |
0.0445 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.86 |
0.209 |
0.209 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.247 |
0.0543 |
0.0543 |
Masiero |
2011ApJ...741...68M |
NEATM |
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 |
| 14.01 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |