THE OPEN CATALOG OF EVERYTHING ABOVE
Every object in the sky.
Indexed.
Search 228 033 stars, planets, galaxies and black holes. Learn, visualize, and build on an open API.
TONIGHT
MAUNA KEA · FULLY DARK NOWJupiter25° up in the E · −2.06Pleiades69° up in the WNW · 1.20Sirius48° up in the SSE · −1.44New moon2026-11-09 · MOONNorthern Taurids at maximum2026-11-12 · METEORS
Everything above 20° from where you are, or the next eighteen months of dated events.
BROWSE THE CATALOG
11 CLASSES · 88 REGIONS01
Black holes ▸
52 catalogued
02
Neutron stars ▸
4393 timed
03
Stars ▸
124 279 catalogued
04
Planets ▸
8 catalogued
05
Exoplanets ▸
6464 confirmed
06
Galaxies ▸
64 157 catalogued
07
Nebulae ▸
433 catalogued
08
Star clusters ▸
935 catalogued
09
Moons ▸
459 catalogued
10
Asteroids ▸
22 357 tracked
11
Comets ▸
4077 tracked
12
Constellations ▸
88 regions of sky
WAYS IN
RANKED LISTS AND CATALOGUESRANKED LISTS
What is nearest, brightest, largest, newest?Nearest
Black holes▸
Gaia BH1 — 1560 ly away
TOP 25
Nearest
Stars▸
Sun — 1.000 AU away
TOP 50
Nearest
Galaxies▸
Large Magellanic Cloud — 161 700 ly away
TOP 50
Nearest
Exoplanets▸
Proxima Cen b — 4.244 ly away
TOP 50
Brightest
Stars▸
Sun — apparent magnitude −26.74 (V)
TOP 50
Brightest
Galaxies▸
Large Magellanic Cloud — apparent magnitude 0.29 (V)
TOP 50
Brightest
Nebulae▸
Lower Sword — apparent magnitude 2.50 (V)
TOP 50
Brightest
Star clusters▸
Hyades — apparent magnitude 0.50 (V)
TOP 50
Largest
Black holes▸
TON 618 — 6.6×10¹⁰ M☉
TOP 23
Largest
Exoplanets▸
V2376 Ori b — 7.78 R♃ · 556 208 km
TOP 50
Largest
Moons▸
Ganymede — 0.41 R⊕ · 2631 km
TOP 25
Largest
Asteroids▸
1 Ceres — 469.7 km
TOP 50
Largest
Comets▸
C/2014 UN271 (Bernardinelli-Bernstein) — 68.5 km
TOP 25
Largest
Planets▸
Jupiter — 0.98 R♃ · 69 911 km
TOP 8
Most recent
Exoplanets▸
CD-35 2722 B b — found in 2026
TOP 50
Quasars▸
J0313-1806 — 244.8 Gly away
TOP 39
NUMBERED CATALOGUES
Which lists have a numbering of their own?START SOMEWHERE
HAND-WRITTEN ENTRIESEagle Nebula
Nebula
7000 ly
3I/ATLAS
Hyperbolic comet
distance unknown
1P/Halley
Halley-type comet
distance unknown
Jupiter
Gas giant
distance unknown
Gaia BH3
Stellar-mass black hole
1926 ly
433 Eros
Amor near-Earth asteroid
distance unknown
1 Ceres
Main-belt asteroid
distance unknown
16 Psyche
Main-belt asteroid
distance unknown
OPEN API
The whole catalog, one endpoint away
Free for research and education. No key, no account, open CORS. Filter the catalog, resolve any designation, or ask what is above your horizon right now.
READ THE DOCS →GET spacecatalog.org/api/v1/objects/sgr-a
{
"name": "Sagittarius A*",
"class": "supermassive_black_hole",
"mass_msun": 4.297e6,
"distance_ly": 26996
}