| Official name | CZ-4B R/B |
| Alternative name | L-14B (YF40B) (Long March (CZ) 4B) |
| Cospar ID | 2019-059D |
| Norad ID | 44531 |
| Launch date | 2019-09-12 |
| Launch site | TSC |
| Launch vehicle | CZ-4B |
| RCS size | LARGE |
| Decay date | ON ORBIT |
| Period (min) | 95.44 |
| Inclination (deg) | 98.71 |
| Perigee (km) | 436 |
| Apogee (km) | 643 |
| Eccentricity | 0.191844300278035 |
| Mean motion (revs. per day) | 15.0880134115675 |
| Semi-Major axis (km) | 6917.635 |
| Raan (deg) | 118.9247 |
| Arg of perigee (deg) | 89.4269 |
| Shape | Cyl |
| Mass (kg) | 1727 |
| Diameter (m) | 2.9 |
| Height (m) | 4.932 |
| Span (m^2) | 4.932 |
