1
Space.com
space.comAlso covers space · same kind of website
Space.com publishes news about space exploration, astronomy, and related innovation.
Alternatives
The Best CelesTrack Alternatives in 2026
24 alternatives1 free · 2 open source
Looking for something like CelesTrack? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 2 are open source.
About CelesTrackcelestrak.org
VisitCelesTrak is a nonprofit organization with a mission related to space and satellite information.
Top picks at a glance
First suggestionSpace.comSpace.com publishes news about space exploration…Free or freemium optionNASA EbooksNASA e-Books provides a catalog of electronic books…Open source optionLook4SatLook4Sat provides an Android satellite tracker and pass…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Space.com | — | Not stated | Web |
| 2 | Look4Sat | — | Yes | Android |
| 3 | JAXA | — | Not stated | Web |
| 4 | JPL Photojournal | — | Not stated | Web |
| 5 | Images / Videos | — | Not stated | Web |
| 6 | Gunter's Space Page | — | Not stated | Web |
| 7 | Apollo in Realtime | — | Not stated | Web |
| 8 | Artemis II Photo Timeline | — | Not stated | iOS, Web |
| 9 | TheCMB | — | Not stated | Web |
| 10 | SpaceFromSpace | — | Not stated | Web |
All CelesTrack alternatives
2
Also covers space · open source
Look4Sat provides an Android satellite tracker and pass predictor, with information sourced from Celestrak.
3
JAXA
global.jaxa.jpAlso covers space · same kind of website
JAXA provides information about the Japan Aerospace Exploration Agency and ways to contact the organization.
4
JPL Photojournal
photojournal.jpl.nasa.govAlso covers space · same kind of website
NASA Photojournal provides space and mission images, animations, and videos, with topic-based browsing and search.
5
Images / Videos
jda.jaxa.jp?lang=eAlso covers space · same kind of website
JAXA Digital Archives offers images from its collection, including material about launch vehicles and space missions.
6
Gunter's Space Page
space.skyrocket.deAlso covers space · same kind of website
Gunter’s Space Page provides information about space missions, launch vehicles, satellites, and astronautics.
7
Apollo in Realtime
apolloinrealtime.orgAlso covers space · same kind of website
Apollo in Realtime presents an interactive journey through the Apollo missions.
8
Artemis II Photo Timeline
artemistimeline.comAlso covers space · same kind of website
The Artemis II Photo Timeline organizes mission photographs by date across March and April 2026.
9
TheCMB
thecmb.orgAlso covers space · same kind of website
TheCMB visualizes data from the Planck mission and provides galactic and ecliptic view controls.
10
SpaceFromSpace
spacefromspace.comAlso covers space · same kind of website
SpaceFromSpace archives declassified Cold War satellite imagery and modern spaceport photographs on interactive maps.
11
Solar System
eyes.nasa.gov/apps/solar-systemAlso covers space · same kind of website
Eyes on the Solar System offers a three-dimensional view for exploring the solar system and past and future missions.
12
Satellite Map
satellitemap.spaceAlso covers space · same kind of website
Satellite Map tracks satellites in real time on an interactive 3D map.
13
GOES-16 Satellite Imagery
rammb-slider.cira.colostate.eduAlso covers space · same kind of website
The SLIDER explorer displays satellite imagery from GOES-16 and Himawari-8 with interactive playback and overlays.
14
See A Satellite Tonight
james.darpinian.com/satellitesAlso covers space · same kind of website
See a Satellite Tonight helps visitors find when and where satellites will appear in their sky.
15
Planet Globe
nbremer.github.io/planet-globeAlso covers space · same kind of website
Planet presents satellite imagery of Earth, including a visualization of images captured across a single day.
16
Apollo Image Atlas
lpi.usra.edu/resources/apolloAlso covers space · same kind of website
The Apollo Image Atlas provides photographs of the Moon captured by Apollo missions, with links to NASA lunar image resources.
17
EarthData
worldview.earthdata.nasa.govAlso covers space · same kind of website
NASA Worldview provides an interactive interface for browsing full-resolution daily satellite images from around the globe.
18
SGP4
sgp4gl-demo.vercel.appAlso covers space · same kind of website
SGP4.gl provides a GPU-accelerated three-dimensional satellite visualization using SGP4, CesiumJS, and Next.js.
19
Also covers space · open source
Keeptrack.space visualizes satellite data and tracking sensors in 3D for users exploring astrodynamics.
20
Sen
sen.comAlso covers space · same kind of website
Sen provides live 4K video views of Earth captured by its satellites in space.
21
Russian Space Web
russianspaceweb.comAlso covers space · same kind of website
Russian Space Web publishes history and news about the Russian space program.
22
Also covers space · same kind of website · free
NASA e-Books provides a catalog of electronic books published by the space agency.
23
ESA
esa.intAlso covers space · same kind of website
The European Space Agency portal shares current news, strategy, and information about its programs.
24
JPL Images
jpl.nasa.gov/imagesAlso covers space · same kind of website
NASA's Jet Propulsion Laboratory Image Gallery lets visitors browse and search space photographs and science images.
No alternatives match this filter.
Alternatives to similar tools
EarthData24 alternativesJPL Photojournal24 alternativesNASA Ebooks24 alternativesJPL Images24 alternativesSolar System24 alternativesSen24 alternatives
What is the best alternative to CelesTrack?
Based on features, tags and platforms, the closest alternatives to CelesTrack are Space.com, Look4Sat, and JAXA.
Is there a free alternative to CelesTrack?
Yes. NASA Ebooks is free or offer a free plan.
Are there open-source alternatives to CelesTrack?
Yes: Look4Sat and Keeptrack.space.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative