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 · DAYLIGHT NOWMoon46° up in the S · −4.78Lagoon Nebula30° up in the SE · 5.80Arcturus75° up in the W · −0.05Northern Taurids at maximum2026-11-12 · METEORSMars and Jupiter 1.2° apart2026-11-16 · CONJUNCTION
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 ENTRIESMercury
Terrestrial planet
distance unknown
2I/Borisov
Hyperbolic comet
distance unknown
Sun
G2V yellow main-sequence star
1.000 AU
Kepler-22 b
Neptune-like planet
634.8 ly
TRAPPIST-1 e
Terrestrial planet
40.54 ly
134340 Pluto
Trans-Neptunian object
distance unknown
Virgo Galaxy
Elliptical galaxy E
53.00 Mly
Whirlpool Galaxy
Intermediate spiral galaxy SABb
27.98 Mly
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
}