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Mapheus is a German sounding rocket programme run by the German Aerospace Center (DLR) since 2009.[1][2] It is a research platform for experiments in weightlessness (microgravity) of the DLR Institute of Frontier Materials on Earth and in Space,[3] the DLR Institute of Aerospace Medicine,[4] and the DLR Mobile Rocket Basis MORABA. Each sub-orbital flight provides about 6 minutes of weightlessness conditions for research and technology development.[5]
MAPHEUS is one of the European microgravity-research rocket programs, similar to the TEXUS or MASER/SubOrbital Express programs of the German and European space agencies (DLR and ESA). It currently focuses on research from materials physics and life sciences, and also serves as a technology test platform for the development and qualification of new sounding rocket vehicles and service systems.
The first four launches of MAPHEUS were based on a two-stage Nike/Improved Orion vehicle, supporting payload with 14" diameter of around 190kg weight for flights up to around 150km height.[6][7]
With MAPHEUS 5, there was a switch to the VSB-30 two-stage vehicle and larger 17" payload, supporting heavier payloads for flights up to around 250km height. For MAPHEUS 7, the S-31 engine booster of the VSB-30 was combined with an Improved Malemute as the second stage.[8]
To establish an alternative to the VSB-30 vehicle, after MAPHEUS 8 a switch was performed to a two-stage Imroved Malemute (IM-IM) vehicle, using military surplus motors.[9]
Due to restrictions posed by the COVID-19 pandemic and due to inavailability of the Skylark launcher on Esrange, the launches of MAPHEUS 9/10 were postponed to 2021/2022, and MAPHEUS 11 was launched in 2021 with a much reduced experiment team. All IM-IM launches for MAPHEUS used the MAN launcher on Esrange.[10]
The launch of MAPHEUS 14 saw the first production use of RED KITE, a new sounding rocket motor produced by Bayern-Chemie and developed in cooperation with German Aerospace Center. MAPHEUS 15 demonstrated a flight to over 300km height, providing more than 7 minutes of time in weightlessness for more than 20 different experiments[11]. It was also the 600th rocket launched from Esrange Space Center.[12] MAPHEUS 16 was the first use of a two-stage RED KITE vehicle.
| name | launch date | vehicle | apogee | total payload mass |
|---|---|---|---|---|
| MAPHEUS 1[6] | May 22, 2009 | Nike/Improved Orion | 141km | 198kg |
| MAPHEUS 2[13] | Oct 27, 2010 | Nike/Improved Orion | 153km | 178kg |
| MAPHEUS 3[7] | Nov 25, 2012 | Nike/Improved Orion | 145km | 195kg |
| MAPHEUS 4[14] | Jul 15, 2013 | S-30 | 154km | 267kg |
| MAPHEUS 5[15] | Jun 30, 2015 | VSB-30 | 253km | 408kg |
| MAPHEUS 6[16] | May 14, 2017 | VSB-30 | 254km | 403kg |
| MAPHEUS 7[8] | Feb 17, 2018 | S-31/Improved Malemute | 248km | 365kg |
| MAPHEUS 8[17] | Jun 13, 2019 | VSB-30 | 238km | 379kg |
| MAPHEUS 11[9] | May 24, 2021 | IM/IM | 221km | 370kg |
| MAPHEUS 10[10] | Dec 6, 2021 | IM/IM | 259km | 310kg |
| MAPHEUS 9[18] | Jan 29, 2022< | IM/IM | 253km | 328kg |
| MAPHEUS 12[19] | Oct 21, 2022 | IM/IM | 258km | 313kg |
| MAPHEUS 13[20] | May 22, 2023 | IM/IM | 230km | 361kg |
| MAPHEUS 14[21] | Feb 27, 2024 | RED KITE/IM | 265km | 426kg |
| MAPHEUS 15[11] | Nov 11, 2024 | RED KITE/IM | 309km | 361kg |
| MAPHEUS 16 | Nov 13, 2025 | RED KITE/RED KITE | 267km | 475kg |
| MAPHEUS 17 | (Oct 2026) | RED KITE/IM |
Category:Space science experiments Category:Suborbital spaceflight Category:Sounding rockets Category:Sounding rockets of Germany
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