1999 XK242
1999XK242, 71203, J99XO2K
All data for this body: [vot]
MPC data
| Name (number) |
1999 XK242 (71203) |
| a |
2.68632 |
| e |
0.08457 |
| i / sin(i) |
10.4784 /
0.18186
|
| q |
2.45914
|
| Q |
2.91349
|
| ω |
47.1925 |
| Node |
16.6005 |
| m |
306.6646 |
| n |
0.2239 |
| Epoch |
2460800.5 |
| nobs |
1483 |
| nopp |
20 |
| Years observed |
1994-2025 |
| rms |
0.75 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.687 |
|
| ep |
0.077 |
|
| sin(ip) |
0.179 |
|
| G |
0.150 |
|
| H |
15.010 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
X |
| Spectral Class Score |
4.610 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6872 |
0.0770 |
0.1791 |
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 |
| 15.01 |
|
|
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 |
| C |
X |
0.1960 |
0.2710 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| X |
X |
0.3422 |
0.2710 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| X |
X |
0.4261 |
0.2710 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |