1999 XK227
1999XK227, 47455, J99XM7K
All data for this body: [vot]
MPC data
| Name (number) |
1999 XK227 (47455) |
| a |
2.47638 |
| e |
0.22031 |
| i / sin(i) |
1.2434 /
0.02170
|
| q |
1.93082
|
| Q |
3.02194
|
| ω |
257.0226 |
| Node |
94.1409 |
| m |
124.5212 |
| n |
0.2529 |
| Epoch |
2460200.5 |
| nobs |
1248 |
| nopp |
20 |
| Years observed |
1997-2023 |
| rms |
0.67 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.477 |
|
| ep |
0.186 |
|
| sin(ip) |
0.013 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
16.070 |
|
| Mass |
|
|
| D |
1.71 |
0.088 |
| pV |
0.219 |
0.0324 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.4772 |
0.1864 |
0.0125 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 1.71 |
0.088 |
0.088 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.219 |
0.0324 |
0.0324 |
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 |
| 16.07 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |