1999 XK4
1999XK4, J99X04K, P7701
All data for this body: [vot]
MPC data
| Name (number) |
1999 XK4 (257701) |
| a |
2.32052 |
| e |
0.24580 |
| i / sin(i) |
2.1258 /
0.03709
|
| q |
1.75014
|
| Q |
2.89090
|
| ω |
229.7557 |
| Node |
127.1354 |
| m |
109.3168 |
| n |
0.2788 |
| Epoch |
2460800.5 |
| nobs |
808 |
| nopp |
15 |
| Years observed |
1999-2025 |
| rms |
0.86 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.321 |
|
| ep |
0.203 |
|
| sin(ip) |
0.024 |
|
| G |
0.150 |
|
| H |
17.010 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
D |
| Spectral Class Score |
0.706 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3207 |
0.2028 |
0.0239 |
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 |
| 17.01 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| D |
D |
0.1176 |
0.1176 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |