S-Series family

SS-520

RetiredJapan Japan Aerospace Exploration AgencySpec: 4

The fourth configuration of SS-520. It would have been the smallest and lightest vehicle to put something into orbit, but it lost telemetry and was told to abort, falling into the ocean.

Flights flown2

Success rate50%1/2

Payload to LEO4kg

Maiden flight2017-01-14

Peak year20171 flight

SS-520 is built by Japan Aerospace Exploration Agency of Japan. It first flew on 14 January 2017 and last flew on 3 February 2018.

Flight record

2 records

50% success rate1 of 2 flown · 1 failed

2017peak 2017 · 1 flight2018

First flight2017-01-14

Latest flight2018-02-03

Failures1

Consecutive successes0

Payload

Per mission profile

Low Earth orbit	4kg

Vehicle

4 spec

Stages	3
Length	9.7m
Diameter	0.5m
Launch mass	3t
Maiden flight	2017-01-14
Reusable	No

Variant lineage

2 configurations

Each configuration of SS-520 is tracked separately upstream. The specifications above describe SS-520-4 only: the canonical configuration, chosen as the active one, or the most-flown where none is active. They are not a blend across the family. The flight record below covers every SS-520 flight.

Configuration	LL2 launches	LEO kg	Maiden	Status
SS-520-4	1	4	2017-01-14	Retired
SS-520-5	1	4	2018-02-03	Retired

Pads used

1 pad

KS Center2

Orbits delivered

1 orbit

Low Earth Orbit2

Launch history

2 launches

Date	Mission	Pad	Orbit	Outcome
2018-02-03	SS-520-5 \| TRICOM-1R	KS Center	Low Earth Orbit	Success
2017-01-14	SS-520-4 \| TRICOM-1	KS Center	Low Earth Orbit	Failure

Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.