1999 JD81
1999JD81, 40298, J99J81D
All data for this body: [vot]
MPC data
| Name (number) |
1999 JD81 (40298) |
| a |
2.25466 |
| e |
0.22378 |
| i / sin(i) |
6.2533 /
0.10892
|
| q |
1.75011
|
| Q |
2.75921
|
| ω |
205.9465 |
| Node |
107.0269 |
| m |
185.0814 |
| n |
0.2911 |
| Epoch |
2460800.5 |
| nobs |
1844 |
| nopp |
20 |
| Years observed |
1992-2025 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.256 |
|
| ep |
0.166 |
|
| sin(ip) |
0.097 |
|
| G |
0.150 |
|
| H |
15.610 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2565 |
0.1655 |
0.0965 |
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 |
| 15.61 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |