1989 US2
1989US2, 1998 XK80, 1998XK80, 43782, J89U02S, J98X80K
All data for this body: [vot]
MPC data
| Name (number) |
1989 US2 (43782) |
| a |
2.68616 |
| e |
0.28391 |
| i / sin(i) |
11.3090 /
0.19610
|
| q |
1.92354
|
| Q |
3.44877
|
| ω |
161.3717 |
| Node |
220.2382 |
| m |
31.9161 |
| n |
0.2239 |
| Epoch |
2460800.5 |
| nobs |
2576 |
| nopp |
21 |
| Years observed |
1989-2025 |
| rms |
0.69 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.685 |
|
| ep |
0.260 |
|
| sin(ip) |
0.197 |
|
| G |
0.150 |
|
| H |
14.190 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
3.666 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6848 |
0.2600 |
0.1970 |
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 |
| 14.19 |
|
|
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 |
| S |
|
0.611 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |