Casey DreierJun 16, 2022

A joint-letter in support of NEO Surveyor

The Planetary Society and the National Space Society agree: fund planetary defense

As part of our ongoing support for the asteroid-hunting space telescope NEO Surveyor, The Planetary Society recently partnered with the National Space Society to urge Congress to reject cuts to this critical mission.

The project is facing a $130 million cut from its planned FY 2023 budget, which would seriously delay and disrupt the mission.

This letter to Congress reflects the high regard for NEO Surveyor shared by the two largest member-supported space organizations in the world.

If you would like to join us in support of NEO Surveyor, please contact Congress using this form.

House Appropriations Committee

House Commerce, Justice, Science
Subcommittee of Appropriations

Senate Appropriations Committee

Senate Commerce, Justice, Science
Subcommittee of Appropriations

To the Members of the House and Senate Appropriations Committees:

We are writing the congressional appropriations committees to raise awareness of an important decision facing Congress in the FY 2023 budget cycle.

It is regarding NASA’s Near-Earth Object (NEO) Surveyor mission, a small space telescope dedicated to the detection and characterization of comets and asteroids that could pose a danger to the Earth.

In FY 2022 Congress appropriated $143 million for this project, supporting a 2026 launch date. Once launched, the spacecraft is expected to discover tens of thousands of near-Earth asteroids (NEOs) at a rate and with a degree of detail unachievable by ground-based telescopes. It is the fastest method to satisfy the congressional mandate to detect 90% of NEOs 140 meters and larger. Absent NEO Surveyor, NASA will not achieve the congressional detection mandate for another 30 years.

Unfortunately, the President’s FY 2023 Budget Request for NASA proposes to slash more than $130 million from this project in mid-development, delaying its launch by at least two years and increasing its total cost to U.S. taxpayers by an unknown amount.

As leaders of the world’s two largest independent space outreach organizations, we are dismayed by NASA’s proposal to delay and disrupt this critical public safety mission.

We urge the committee to restore funding and augment NASA’s budget to provide at least $170 million to NEO Surveyor in FY 2023.

NEO Surveyor is possibly the most-endorsed mission of its kind. The National Academies of Sciences, Engineering, and Medicine endorsed the need for a space-based NEO telescope in a dedicated 2019 report. More recently, the 2022 Planetary Science Decadal Survey stated that “NASA should fully support the development, timely launch, and subsequent operation of NEO Surveyor." Congress has repeatedly acted in a bipartisan manner to support this mission and NEO detection work. And polls consistently demonstrate that the public expects NASA to prioritize the search for hazardous NEOs.

We note that NASA has officially stated that the growing size of satellite mega-constellations will negatively impact its ability to search for NEOs from the ground. An in-space solution like NEO Surveyor is the only way to preserve our ability to search for potentially hazardous objects. This issue worsens with every new tranche of satellites launched into orbit.

As we continue to recover from the pandemic, we believe that the U.S. should heed its lessons and make common-sense investments in technologies that help us avoid (or properly prepare for) future catastrophes. We believe that augmenting NASA’s budget by at least $130 million to properly fund NEO Surveyor at $170 million (less than 1% of the agency’s total request) is a smart and cost-effective investment in our future, is aligned with overwhelming expert opinion, and is responsive to the directives of the people and their representatives in Congress.


Bethany Ehlmann
The Planetary Society

Michelle Hanlon
National Space Society

Political Advocacy

Our current advocacy goals, major issues facing NASA, detailed context, and actions you can take to support space exploration in the United States.

Let’s Go Beyond The Horizon

Every success in space exploration is the result of the community of space enthusiasts, like you, who believe it is important. You can help usher in the next great era of space exploration with your gift today.

Donate Today