1999 XK197
1999XK197, A3131, J99XJ7K
All data for this body: [vot]
MPC data
| Name (number) |
1999 XK197 (103131) |
| a |
2.16562 |
| e |
0.07504 |
| i / sin(i) |
8.3431 /
0.14510
|
| q |
2.00311
|
| Q |
2.32813
|
| ω |
96.9910 |
| Node |
335.6307 |
| m |
5.7278 |
| n |
0.3093 |
| Epoch |
2460800.5 |
| nobs |
1216 |
| nopp |
19 |
| Years observed |
1994-2024 |
| rms |
0.77 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
|
|
| ep |
|
|
| sin(ip) |
|
|
| G |
0.150 |
|
| H |
16.030 |
|
| Mass |
|
|
| D |
1.73 |
0.253 |
| pV |
0.309 |
0.1062 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 1.73 |
0.253 |
0.253 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.309 |
0.1062 |
0.1062 |
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 |
| 16.03 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |