1999 US49
1999US49, 43012, J99U49S
All data for this body: [vot]
MPC data
| Name (number) |
1999 US49 (43012) |
| a |
2.58062 |
| e |
0.10178 |
| i / sin(i) |
4.0170 /
0.07005
|
| q |
2.31796
|
| Q |
2.84328
|
| ω |
239.1952 |
| Node |
130.9665 |
| m |
79.0581 |
| n |
0.2377 |
| Epoch |
2460800.5 |
| nobs |
1108 |
| nopp |
22 |
| Years observed |
1993-2025 |
| rms |
0.81 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.579 |
|
| ep |
0.116 |
|
| sin(ip) |
0.053 |
|
| G |
0.150 |
|
| H |
15.750 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
L |
| Spectral Class Score |
8.617 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5795 |
0.1158 |
0.0535 |
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 |
| 15.75 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |