USA/Germany （合计：2个）
| Id | Name of Satellite, Alternate Names | Current Official Name of Satellite | Country/Org of UN Registry | Country of Operator/Owner | Operator/Owner | Users | Purpose | Detailed Purpose | Class of Orbit | Type of Orbit | Longitude of GEO (degrees) | Perigee (km) | Apogee (km) | Eccentricity | Inclination (degrees) | Period (minutes) | Launch Mass (kg.) | Dry Mass (kg.) | Power (watts) | Date of Launch | Expected Lifetime (yrs.) | Contractor | Country of Contractor | Launch Site | Launch Vehicle | COSPAR Number | NORAD Number | Comments | Source Used for Orbital Data | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 971 | Grace Follow-on-1 (Gravity Recovery and Climate Experiment Follow-on-1) | Grace Follow-on-1 | USA | USA/Germany | NASA/German Research Centre for Geosciences (GFZ) | Government | Earth Observation | Earth Science | LEO | Polar | 0 | 485 | 504 | 1.38E-03 | 88.9 | 94.5 | 600 | 2018/5/22 | 5 | NASA Jet Propulsion Laboratory/Airbus | USA/Germany | Vandenberg AFB | Falcon 9 | 2018-047A | 43476 | Continues the work of tracking Earth's water movement to monitor changes in underground water storage, amount of water in large lakes and rivers, soil moisture, ice sheets and glaciers, sea level caused by the addition of water to the ocean. | JM/10_18 | https://grace.jpl.nasa.gov/mission/grace-fo/ | ||
| 972 | Grace Follow-on-2 (Gravity Recovery and Climate Experiment Follow-on-2) | Grace Follow-on-2 | USA | USA/Germany | NASA/German Research Centre for Geosciences (GFZ) | Government | Earth Observation | Earth Science | LEO | Polar | 0 | 484 | 504 | 1.46E-03 | 88.9 | 94.5 | 600 | 2018/5/22 | 5 | NASA Jet Propulsion Laboratory/Airbus | USA/Germany | Vandenberg AFB | Falcon 9 | 2018-047B | 43477 | Continues the work of tracking Earth's water movement to monitor changes in underground water storage, amount of water in large lakes and rivers, soil moisture, ice sheets and glaciers, sea level caused by the addition of water to the ocean. | JM/10_18 | https://grace.jpl.nasa.gov/mission/grace-fo/ |
Total: 2