Orbital elements of EGG
| Launched | 19 November 1998 | 
| Flight ended | 14 May 2017 | 
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) | 
| Owner | Japan | 
| NORAD ID | 41934 | 
| Date fetched  | 
                    Epoch osculation  | 
                    Inc. [°]  | 
                    Ecc. | RA asc node [hr]  | 
                    Arg Peri. [°]  | 
                    Mean anom [°]  | 
                    Mean motion [rev/day]  | 
                    Abs. mag  | 
                
| Date fetched  | 
                    Epoch osculation  | 
                    Inc. [°]  | 
                    Ecc. | RA asc node [hr]  | 
                    Arg Peri. [°]  | 
                    Mean anom [°]  | 
                    Mean motion [rev/day]  | 
                    Abs. mag  |