1999 XZ81
1999XZ81, A2985, J99X81Z
All data for this body: [vot]
MPC data
| Name (number) |
1999 XZ81 (102985) |
| a |
2.16119 |
| e |
0.15139 |
| i / sin(i) |
3.1848 /
0.05556
|
| q |
1.83400
|
| Q |
2.48837
|
| ω |
266.8447 |
| Node |
111.2820 |
| m |
51.0336 |
| n |
0.3102 |
| Epoch |
2460800.5 |
| nobs |
1328 |
| nopp |
18 |
| Years observed |
1997-2025 |
| rms |
0.74 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.161 |
|
| ep |
0.114 |
|
| sin(ip) |
0.048 |
|
| G |
0.150 |
|
| H |
16.500 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.1607 |
0.1144 |
0.0484 |
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 |
| 16.50 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |