Orbit Fab

Colorado company working to make refueling satellites routine. It sells a standard refueling port, RAFTI, that satellites carry from launch, and plans fuel shuttles and depots to fill them up in orbit.

Founding year taken from the site's copyright span (2018 onward); not confirmed by a dated source.

Products, by altitude

Earth to Moon · 35,786–384,400 km

Announced
RAVEN shuttle and NEST depot
Planned fuel shuttles and depots to refill satellites in orbit

High orbits · 2,000–35,786 km

In service
RAFTI refueling port
Satellite fuel port that allows refueling in orbit

Known rounds

Date	Round	Amount	Led by
Jul 2026	Interim financing (reported as more than $25M)	$25M	Stride Capital⁠¹
Apr 2023	Series A	$28.5M	8090 Industries⁠²
Sep 2021	Venture round	$10M	Asymmetry Ventures⁠³
Dec 2020	Seed extension	Undisclosed	—⁠⁴
Oct 2019	Seed	$3M	—⁠⁵

Milestones

Mar 2026 Founder Daniel Faber stepped down as CEO, and the company said it had signed a $20M Series B term sheet with Stride Capital. Company statement⁠⁶
Feb 2026 Selected by NASA to develop a coolant fluid coupling for the Lunar Gateway's thermal control system. Value not disclosed. Company statement⁠⁷
Nov 2025 Won ESA funding to lead ASTRAL, a European in-orbit refueling mission. Company statement⁠⁸

Sources

Orbit Fab press releaseJul 7, 2026
PayloadApr 18, 2023
TechCrunchSep 7, 2021
TechCrunchDec 17, 2020
TechCrunchOct 3, 2019
Orbit Fab press releaseMar 13, 2026
Orbit Fab press releaseFeb 16, 2026
Orbit Fab press releaseNov 21, 2025
Orbit Fab

Updated Oct 22, 2026 · How we source facts · Suggest a correction