2019-037B - Norad ID: 44366
| Spacetrack Directory Name | PROMETHEUS 2-9 |
| Alternative name | 2019-037B |
| Orbit launches |
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| Deorbitation date |
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| Days in orbit | 1073 |
| Country/organisation of origin | USA (US) |
| Starting point | RLLB (Rocket Lab Launch Base) |
| WWW | Here |
| Perigee | 433 km |
| Apogee | 445 km |
Improving from lessons learned on Block 1. Replacing single coil with 3 torque rods, increasing momentum wheel storage, adding star field sensor, adding GPS receiver. Possibility to add 1.5U payload at the end of the satellite.