As of 2026-10-12, CD-42 11721 tops the list with --9,223,372,036,854,775,808 kg.
- #1 CD-42 11721 — --9,223,372,036,854,775,808 kg source Wikidata
- #2 AE Aurigae — --9,223,372,036,854,775,808 kg
star in the constellation Auriga
AE Aurigae is a runaway star in the constellation Auriga; it lights the Flaming Star Nebula. Read more on Wikipedia.
Wikidata - #3 Zeta Ophiuchi — --9,223,372,036,854,775,808 kg
star
Zeta Ophiuchi is a single star located in the constellation of Ophiuchus. It has an apparent visual magnitude of 2.6, making it the third-brightest star in the constellation. Spectroscopic measurements give an estimated distance of roughly 440 light-years from the Earth. It is surrounded by the Sh 2-27 nebula, the star's bow shock as it ploughs through dense dust clouds near the Rho Ophiuchi cloud complex. It is the nearest O-class star to our Solar System. Read more on Wikipedia.
Wikidata - #4 WR 124 — --9,223,372,036,854,775,808 kg
star in the constellation Sagitta
WR 124 is a Wolf–Rayet star in the constellation of Sagitta surrounded by a ring nebula of expelled material known as M1-67. It is one of the fastest runaway stars in the Milky Way with a radial velocity around 200 km/s. It was discovered by Paul W. Merrill in 1938, identified as a high-velocity Wolf–Rayet star. In 1982, Anthony Moffat et al. discovered that WR 124 is a variable star. It was given its variable star designation, QR Sagittae, in 1985. It is listed in the General Catalogue of... Read more on Wikipedia.
Wikidata - #5 Lambda Pavonis — --9,223,372,036,854,775,808 kg
variable star in the constellation Pavo
λ Pavonis, Latinized as Lambda Pavonis, is a single, variable star in the southern constellation of Pavo. It is a blue-white hued star that is faintly visible to the naked eye with an apparent visual magnitude that fluctuates around 4.22. This object is located approximately 1,400 light years from the Sun, based upon parallax. It is a member of the Scorpius–Centaurus association. Read more on Wikipedia.
Wikidata - #6 Zeta Tauri — --9,223,372,036,854,775,808 kg
star
Zeta Tauri is a binary star in the zodiac constellation of Taurus, the Bull. It has an apparent visual magnitude of about 3.0, which is bright enough to be seen with the naked eye. Parallax measurements place it at a distance of roughly 440 light-years from the Sun. The position of this system near the ecliptic means it is subject to lunar occultation. Read more on Wikipedia.
Wikidata - #7 Alpha Arae — --9,223,372,036,854,775,808 kg
star in the constellation Ara
Alpha Arae, is the second brightest star in the southern constellation of Ara. Its name is a Bayer designation that is Latinized from α Arae, and abbreviated Alpha Ara or α Ara. With an average apparent visual magnitude 2.93, it is readily visible to the naked eye from the southern hemisphere. This star is close enough to the Earth that its distance can be estimated using parallax data collected during the Hipparcos mission. It is around 270 light-years away, with a 7% margin of error. The... Read more on Wikipedia.
Wikidata - #8 Theta Circini — --9,223,372,036,854,775,808 kg
star in the constellation Circinus
Theta Circini, is a binary star located in the southern constellation of Circinus, to the northwest of Alpha Circini. Its name is a Bayer designation that is Latinized from θ Circini, and abbreviated Theta Cir or θ Cir. This system is faintly visible to the naked eye as a point of light with an apparent visual magnitude of about five. Based upon an annual parallax shift of 11.82 mas, it is located at a distance of about 276 light years from the Sun. Read more on Wikipedia.
Wikidata - #9 BK Camelopardalis — --9,223,372,036,854,775,808 kg
star in the constellation Camelopardalis
BK Camelopardalis is a variable star in the northern circumpolar constellation of Camelopardalis, near the constellation border with Cassiopeia. It is visible to the naked eye as a faint, blue-white hued star with an apparent visual magnitude that fluctuates around 4.8. The star is located approximately 540 light years away from the Sun based on parallax. It is a proposed member of the Cassiopeia–Taurus group of co-moving stars. Read more on Wikipedia.
Wikidata - #10 Achernar — --9,223,372,036,854,775,808 kg
star in the constellation Eridanus
Achernar is the brightest star in the constellation of Eridanus and the ninth-brightest in the night sky. It has the Bayer designation Alpha Eridani, which is Latinized from α Eridani and abbreviated Alpha Eri or α Eri. The name Achernar applies to the primary component of a binary system. The two components are designated Alpha Eridani A and B, with the latter known informally as Achernar B. As determined by the Hipparcos astrometry satellite, this system is located at a distance of... Read more on Wikipedia.
Wikidata