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Sapling 1, 2 (Sapling Sempervirens, Sapling Giganteum)

Sapling 1 [Cal Poly]

Sapling 1 or Sapling Sempervirens is a 1U CubeSat technology demonstration mission by Stanford University.

It is the first mission is to test critical subsystems of the Sapling CubeSat Bus. The Sapling project is entirely open source and was created by members of the Stanford Student Space Initiative, a primarily undergraduate volunteer student engineering organization at Stanford University.

The second goal is to demonstrate the Pleiades Swarm Initiative's broader goal of developing and demonstrating distributed spacecraft technology. This preliminary demonstration will include satellite-to-satellite and satellite-to-satellite-to-ground relays. Depending on final orbital parameters, the ultimate goal will be a ground-to-satellite-to-ground link between a station operated by students at Cal Poly Pomona's Bronco Space and a station operated by students at Stanford's Student Space Initiative.

This mission's radio-networking demonstration is a collaboration between student groups who want to use a network of satellites to send simple messages between two universities, and then use that experience to build a more complex radio networking swarm of satellites.

If the radio networking demonstration is successful, amateurs using the correct LoRa modulation and packet structures could potentially relay their own packets through the network when Cal Poly or Stanford operators are not actively using it. The prospect of catching a telemetry packet, as with all amateur satellite missions, will inspire other students around the world to pursue radio communications and other satellite possibilities of their own imagination.

It was launched in January 2023 on Falcon-9 v1.2 (Block 5) on the Orbiter SN1 space tug. Orbiter SN1 suffered a power failure in orbit, which prevented the satellites from being deployed.

A second satellite, Sapling 2 or Sapling Giganteum, will be launched later.

Nation: USA
Type / Application: Technology
Operator: Stanford University
Contractors: Stanford University
Configuration: CubeSat (1U)
Propulsion: None
Power: Solar cells, batteries
Mass: 1.75 kg
Satellite COSPAR Date LS Launch Vehicle Remarks
Sapling 1 (Sapling Sempervirens) 2023-001# 03.01.2023 CC SLC-40 p Falcon-9 v1.2 (Block 5) with YAM 5, Lynk Tower 03, 04, Umbra-SAR 04, 05, EOS-SAT 1, ICEYE X21, X22, X27, —uSat 32, ..., 35, Skykraft Deployer 1, Skykraft 1, ..., 4, Chimera LEO-1, ION-SCV 007, 008, Astrocast 0401, ..., 0404, Futura SM1, Futura SM3, Kelpie 1, Sharjah-Sat 1, TAU-SAT 2, Orbiter SN1, MDQSAT 1A, 1B, PROVES-Yearling, Sapling 1, Unicorn 2G, 2H, Vigoride 5, ZEUS 1, KSF 3A, ..., 3D, Flock-4y 1, ..., 36, Lemur-2 157, ..., 162, SpaceBEE 156, ..., 167, EWS-RROCI, BRO 8, Gama Alpha, Menut, MilSpace2 1, 2, NSLSat 2, Platform 2, EYE 1, STAR-VIBE, Sternula 1, Connecta T1.2, Guardian alpha, KuwaitSat 1, PolyITAN-HP-30, BDSAT 2, Pushan alpha / failed to deploy
Sapling 2 (Sapling Giganteum) 2023-054AM 15.04.2023 Va SLC-4E Falcon-9 v1.2 (Block 5) with İmece, Umbra-SAR 06, —uSat 36, ..., 39, GHOSt 1, 2, Tomorrow R1, GHGSat C6, C7, C8, Hawk 7A, 7B, 7C, NORSAT TD, ION-SCV 010, Kepler 20, 21, ELO 3, EPICHyper 1, VCUB1, Vigoride 6, LLITED 1, 2, REVELA, DISCO 1, VIREO, IRIS C, BRO 9, Brokkr 1, CIRBE, DEWA-Sat 2, It's About Time, KILIÇSAT, SSS 2B, Sapling 2, PROVES-Yearling 2, Platform 3 (Sateliot 0), FACSAT 2, Connecta T2.1, LacunaSat 2f, ADLER 2, Lemur-2 164, Lemur-2 165, INSPIREsat 7, Taifa 1, RoseyCubesat 1, Celestis 23

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