1999 XK21
1999XK21, 41232, J99X21K
All data for this body: [vot]
MPC data
| Name (number) |
1999 XK21 (41232) |
| a |
2.63937 |
| e |
0.15918 |
| i / sin(i) |
11.6961 /
0.20272
|
| q |
2.21924
|
| Q |
3.05950
|
| ω |
115.1507 |
| Node |
202.6205 |
| m |
275.6302 |
| n |
0.2299 |
| Epoch |
2460200.5 |
| nobs |
1509 |
| nopp |
20 |
| Years observed |
1990-2023 |
| rms |
0.69 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.639 |
|
| ep |
0.121 |
|
| sin(ip) |
0.216 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.080 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6391 |
0.1215 |
0.2157 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
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 |
| 15.08 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |