Answers to common questions about membership in The Planetary Society. Join us and find your place in space.
Is my membership gift 100% tax deductible?
Your gift is tax-deductible to the fullest extent of the law. To calculate the tax-deductibility of your donation, deduct the fair market value of any of the items you may have received in consideration of your contribution. You'll find the fair market value of the benefits you received listed on the acknowledgement letter we send you after you make your donation. If you choose to decline all of the benefits with a listed fair market value, then your contribution is fully tax-deductible.
Can I maximize my charitable deduction and opt-out of the donor gifts?
If you would like your gift to be 100% tax deductible and maximize your donation to The Planetary Society, you may elect to opt-out of the tangible gifts associated with your membership level.
Can I share a membership with someone in my household, or are memberships only available to individuals?
If you share your love of space with a member of your household (someone who lives at the same address), you can sign up for our Explorer Family/Dual package, which includes two membership cards and two T-shirts. A renewing Explorer member can also upgrade to Explorer Family/Dual and receive one additional T-shirt and a membership card for the additional member.
Can I share a membership with someone not in my household?
If you share your love of space with a friend or family member, share your passion for space exploration by giving a gift membership to The Planetary Society. Go to planetary.org/gift and select the level that you would like to give—it’s that simple!
Why does it cost me less to select sustained monthly membership payments instead of the one-time payment structure?
The slightly reduced prices of a monthly membership are our way of demonstrating our gratitude for your sustained commitment to The Planetary Society’s mission and objectives.
How do I join/renew?
To join for the first time, follow this link in order to fill out a membership form. Welcome to your place in space!
When will I receive my membership card and gift items?
Your membership card and any gift items you've selected will be mailed to you. Please allow 4 to 6 weeks for delivery.
Are there sizing charts and other product details for member t-shirts?
T-shirt specifications including sizing charts, features, and care instructions are available for both women's t-shirts (PDF) and men's t-shirts (PDF). Please note that men's 3X and 4X sizes are also available upon request.
The official Planetary Society T-shirt is exclusively for members. Your head is the Sun in this beautiful print by Thomas Romer of Chop Shop where many worlds of our solar system are captured in their orbits. You'll find our own Earth appearing as Carl Sagan’s pale blue dot along with planets and moons. Look carefully, and you may just find Pluto lost in the Kuiper Belt... or is that Eris?
I’m already a member of The Planetary Society; how do I renew or upgrade my current membership?
Thank you for being a part of our team! We have a special link for members who would like to renew.
Do renewing members get premiums for new membership levels?
When members upgrade to a new membership level, they will receive all of the benefits associated with the level to which they’ve upgraded. In addition, to thank you for your support, we offer unique premiums, like our T-shirt or lapel pin, to members the first time that you join or upgrade to a new level of membership.
When did the newly designed Membership Program take effect?
The current Membership Program was announced on July 1st, 2016 so we are now in year two of this transition. Members who enrolled in our former program are invited to renew into the new program at the date of their established renewal period, or may elect to renew early in order to start receiving the new benefits even sooner.
What was the reason for creating the current Membership Program?
After 35 years of working as a member-based organization, we felt it was time to renew and expand our commitment to working as collaborators with our members in designing the future of The Planetary Society. Formerly, we had multiple membership programs functioning independently. Our current membership program is designed to present a philanthropic experience for all of our members, inclusive of meaningful benefits and exciting ways to engage with our organization.
What are the different levels of membership?
The membership Program levels are outlined in the table below.
Curiosity Team (Students)
New Millennium Committee
What are the benefits of membership?
The number one benefit that members enjoy, of course, is connecting with the PB & J—the passion, beauty and joy—of space exploration. Along with this we provide many intangible and digital benefits through our journalism and education programs, advocacy efforts, members-only features on our website, invitations to events where you can meet other Society members as well as our staff and volunteers, access to travel and NASA credit union programs, and even your own .space domain name! When you become a member, you gain access to all of these benefits on an ongoing basis.
In addition, many of our members love swag—and we do, too! As a thank-you to our members, we offer some very cool premiums like t-shirts, pins, mission patches, posters, books and much more. But, let’s face it, premiums can be costly and divert important resources from the primary work of our mission: to empower the world’s citizens to advance space science and exploration. For that reason, we offer these special thank-yous only when you first join or upgrade to a new level of membership. And remember, if you love our swag and want more of it, you can always find it at our online store at planetary.org/store.
Memberships across all levels receive the following basic benefits:
personalized membership card and social media donor badge
subscription The Planetary Report magazine
member e-newsletters such as The Planetary Post with Robert Picardo
access to members-only content on planetary.org
opportunities to influence space programs through our advocacy campaigns
invitations to special events including Planetary Radio Live
your name sent to space on select space missions
invitation to apply for a NASA/Planetary Society VISA credit card (U.S. members only)
access to our exciting worldwide member travel programs