🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.49 AU - 0.53 AU

Year: 128 Days

Day: 13.4 Hours

Environment

Temp: 269 °C

Axial Tilt: 28.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,197,279 km

• M1: 69,413 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.75 AU - 0.83 AU

Year: 247 Days

Day: 24.4 Hours

Environment

Temp: 114 °C

Axial Tilt: 7.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.09 AU - 1.55 AU

Year: 533 Days

Day: 18.6 Hours

Environment

Temp: 7 °C

Axial Tilt: 20.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 51,197,279 km

• M1: 33,360 km (0.078 R)
• M2: 63,429 km (0.078 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.67 AU - 1.73 AU

Year: 779 Days

Day: 39.3 Hours

Environment

Temp: -25 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.74 AU - 5.88 AU

Year: 4301 Days

Day: 34.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.9

Radius: 14.2

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 7.15 AU - 8.29 AU

Year: 7539 Days

Day: 5.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,197,279 km

• M1: 176,675 km (0.116 R)
• M2: 667,057 km (0.062 R)
• M3: 1,165,816 km (0.112 R)
• M4: 1,817,465 km (0.109 R)
• M5: 2,351,679 km (0.099 R)
• M6: 4,287,625 km (0.116 R)
• M7: 4,765,889 km (0.092 R)
• M8: 5,438,032 km (0.047 R)
• M9: 8,648,103 km (0.095 R)
• M10: 10,328,536 km (0.113 R)
• M11: 11,351,486 km (0.113 R)
• M12: 12,328,959 km (0.054 R)
• M13: 13,244,348 km (0.058 R)
• M14: 17,154,837 km (0.084 R)
• M15: 17,719,120 km (0.095 R)
• M16: 21,369,457 km (0.095 R)
• M17: 22,438,633 km (0.04 R)
• M18: 23,716,050 km (0.07 R)
• M19: 24,861,969 km (0.054 R)
• M20: 25,676,679 km (0.099 R)
• M21: 26,509,191 km (0.064 R)
• M22: 27,455,099 km (0.072 R)
• M23: 29,114,887 km (0.051 R)
• M24: 30,121,980 km (0.106 R)
• M25: 31,887,085 km (0.067 R)
• M26: 32,741,140 km (0.084 R)
• M27: 34,161,571 km (0.069 R)
• M28: 37,832,554 km (0.106 R)
• M29: 38,429,000 km (0.119 R)
• M30: 42,910,354 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.2

Radius: 11.3

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 8.34 AU - 12.22 AU

Year: 11584 Days

Day: 7.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,197,279 km

• M1: 140,622 km (0.105 R)
• M2: 504,743 km (0.095 R)
• M3: 886,966 km (0.039 R)
• M4: 1,724,564 km (0.105 R)
• M5: 2,096,614 km (0.113 R)
• M6: 3,006,768 km (0.064 R)
• M7: 3,448,231 km (0.099 R)
• M8: 5,208,549 km (0.088 R)
• M9: 7,372,781 km (0.108 R)
• M10: 9,656,991 km (0.092 R)
• M11: 10,403,784 km (0.105 R)
• M12: 11,303,914 km (0.086 R)
• M13: 12,072,847 km (0.06 R)
• M14: 19,281,221 km (0.114 R)
• M15: 23,825,705 km (0.097 R)
• M16: 24,403,452 km (0.081 R)
• M17: 27,223,521 km (0.085 R)
• M18: 28,388,739 km (0.085 R)
• M19: 30,704,813 km (0.063 R)
• M20: 31,966,971 km (0.101 R)
• M21: 35,211,449 km (0.063 R)
• M22: 35,584,995 km (0.066 R)
• M23: 37,621,920 km (0.038 R)
• M24: 38,274,166 km (0.103 R)
• M25: 41,096,181 km (0.113 R)
• M26: 43,766,353 km (0.114 R)
• M27: 46,699,818 km (0.044 R)
• M28: 48,984,327 km (0.085 R)
• M29: 52,144,731 km (0.105 R)
• M30: 54,104,912 km (0.117 R)
• M31: 54,769,127 km (0.048 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.9

Radius: 5.7

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 15.68 AU - 20.96 AU

Year: 27559 Days

Day: 23.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,197,279 km

• M1: 71,209 km (0.094 R)
• M2: 276,457 km (0.102 R)
• M3: 607,816 km (0.104 R)
• M4: 1,396,795 km (0.099 R)
• M5: 2,170,366 km (0.111 R)
• M6: 4,667,902 km (0.09 R)
• M7: 4,950,642 km (0.104 R)
• M8: 5,178,330 km (0.11 R)
• M9: 6,159,842 km (0.072 R)
• M10: 6,852,779 km (0.073 R)
• M11: 8,347,112 km (0.117 R)
• M12: 10,517,927 km (0.088 R)
• M13: 11,505,273 km (0.097 R)
• M14: 13,853,810 km (0.106 R)
• M15: 19,554,087 km (0.102 R)
• M16: 19,878,266 km (0.049 R)
• M17: 20,123,906 km (0.074 R)
• M18: 28,260,384 km (0.104 R)
• M19: 28,467,128 km (0.089 R)
• M20: 28,674,920 km (0.102 R)
• M21: 29,198,812 km (0.063 R)
• M22: 29,516,109 km (0.119 R)
• M23: 30,050,173 km (0.104 R)
• M24: 31,358,257 km (0.091 R)
• M25: 33,506,183 km (0.116 R)
• M26: 35,509,299 km (0.109 R)
• M27: 45,162,999 km (0.083 R)
• M28: 47,750,144 km (0.089 R)

Kuiper Belt

Range: 31.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 10,860 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit