Mars Polar Lander

The Mars Polar Lander, also known as the Mars Surveyor '98 Lander, was a 290-kilogram uncrewed spacecraft lander launched by NASA on January 3, 1999, to study the soil and climate of Planum Australe, a region near the south pole on Mars. It formed part of the Mars Surveyor '98 mission.
Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)
Which happened first?
- Mars Polar Lander happened 2 years after Cassini−Huygens
- Mars Polar Lander happened 3 years before Gravity Recovery and Climate Experiment
- Mars Polar Lander happened 8 years before THEMIS
- Mars Polar Lander happened 12 years before Gravity Recovery and Interior Laboratory
- Mars Polar Lander happened 13 years before Van Allen Probes
Timeline
- Cassini−HuygensOctober 15, 1997
- Mars Polar Lander (this page)January 3, 1999
- Gravity Recovery and Climate ExperimentMarch 17, 2002
- THEMISFebruary 17, 2007
- Gravity Recovery and Interior LaboratorySeptember 10, 2011
- Van Allen ProbesAugust 30, 2012