1999 XC218
1999XC218, 2000 AL246, 2000AL246, H1604, J99XL8C, K00AO6L
All data for this body: [vot]
MPC data
| Name (number) |
1999 XC218 (171604) |
| a |
2.57856 |
| e |
0.21689 |
| i / sin(i) |
9.7275 /
0.16896
|
| q |
2.01929
|
| Q |
3.13782
|
| ω |
190.6080 |
| Node |
282.9600 |
| m |
40.2626 |
| n |
0.2380 |
| Epoch |
2460800.5 |
| nobs |
655 |
| nopp |
14 |
| Years observed |
1995-2025 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.577 |
|
| ep |
0.250 |
|
| sin(ip) |
0.180 |
|
| G |
0.150 |
|
| H |
16.300 |
|
| 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 |
| 2.5770 |
0.2499 |
0.1803 |
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 |
| 16.30 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |