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Star HD 99283

Red giant HD 99283 is located 348 light years away from the Sun. It is a single star of spectral class K0 III, that has typically about 120 % of solar mass. There is at least one exoplanet in this system.
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Sun distance
348 light years

HD 99283

Spectral class: K0 III

Location +

Ascension iconRight ascension: 11h 25m 57.000s
Declination iconDeclination: 55° 51' 2.000'' (northern hemisphere)
Parallax iconParallax: 9.380
Distance iconSun distance: 347.715 ly | 106.6 pc
Star position
The position of a star tells us where it appears in the sky, similar to how we use coordinates like latitude and longitude on Earth. In astronomy, the three main coordinates are right ascension, declination and distance. .. icon More about Star position in StellarGuide

Basic characteristic

icon weight
Mass: 180 % M Sun
| 1843.7 M Jupiter
 (estimate)
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Star mass
The mass of the star HD 99283 is unknown. Based on its other characteristics, it is estimated to be about 180 % of the Sun's mass.

The mass of a star is the total amount of matter it contains. It is one of the most important properties of a star, as it determines almost everything about how the star lives, changes, and dies. In astronomy, star mass is usually measured in solar masses (M☉) — where 1 solar mass is equal to the mass of our Sun... icon More about Star mass in StellarGuide
radius icon
Size: 1007 % R Sun
| 100.2 R Jupiter
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Star size
Radius of the star HD 99283 is 10.07 solar radii.

The size of a star refers to its radius — the distance from its center to its surface. Star size is usually measured in solar radii (R☉), where 1 solar radius equals approximately 696,000 kilometers. Depending on their type and life stage, stars can be much smaller or larger than the Sun... icon More about Star size in StellarGuide
temperature iconTemperature: 5000 K
 (estimate)
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Star temperature
Surface temperature of HD 99283 is estimated to be 4952 K, which is 87 % of the temperature on the surface of the Sun.

The temperature of a star refers to the temperature at its surface, also called the photosphere. It is measured in kelvins (K), the standard unit for temperature in astronomy. A star’s temperature tells us a lot about its physical properties and where it stands in its evolutionary stage... icon More about Star temperature in StellarGuide
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HD 99283 system structure

HD 99283
HD 99283 b 1.08 AU 308.4 M⊕ 310.4 days

More about HD 99283

       HD 99283 can be found in northern celestial hemisphere. 
Other designations of this star
TYC 3828-1134-1, USNO-A2 1425-07661134, HR 4407, HIP 55797, HIC 55797
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Frequently Asked Questions

How far is the HD 99283 system from the Sun?

The HD 99283 system is 348 light years or 106.6 parsecs from the Sun.

What galaxy is the HD 99283 star in?

The HD 99283 is in the Milky Way galaxy just like the Sun.

How many stars are in the HD 99283 system?

The HD 99283 is a single star, there are no other known stars in the system.

What type of star is the HD 99283?

The star HD 99283 is a Red giant star.

What temperature is the HD 99283?

The primary in the HD 99283 system has an effective temperature of K ( °C). Find out more about the temperature of stars in Stellar guide
Class of stars Red giant
White dwarfs are the hot, extremely dense stellar remnants left behind by stars that originally had masses between about 0.5 and 8 times the mass of the Sun during their main sequence lifetimes. After exhausting their nuclear fuel, these stars shed their outer layers and leave behind a compact core. Although white dwarfs contain between roughly 0.2 and 1.44 solar masses, this mass is packed into a volume comparable to that of an Earth-sized planet, making them some of the densest objects in the Universe.
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