🌌 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: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.43 AU - 0.59 AU

Year: 132 Days

Day: 30.3 Hours

Environment

Temp: 207 °C

Axial Tilt: 12.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,246,113 km

• M1: 292,015 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.55 AU - 0.81 AU

Year: 204 Days

Day: 35.8 Hours

Environment

Temp: 190 °C

Axial Tilt: 41.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.89 AU - 0.97 AU

Year: 326 Days

Day: 17.9 Hours

Environment

Temp: 89 °C

Axial Tilt: 17.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 86,246,113 km

• M1: 62,682 km (0.076 R)
• M2: 512,074 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.71 AU - 3.87 AU

Year: 2169 Days

Day: 34.2 Hours

Environment

Temp: -109 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,246,113 km

• M1: 20,495 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.7 AU - 5.82 AU

Year: 3774 Days

Day: 40.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,246,113 km

• M1: 256,112 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.2

Radius: 8.5

Gravity: 11.57 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 9.32 AU - 10.98 AU

Year: 11752 Days

Day: 8.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,246,113 km

• M1: 128,804 km (0.112 R)
• M2: 1,083,687 km (0.068 R)
• M3: 1,451,847 km (0.042 R)
• M4: 1,835,267 km (0.096 R)
• M5: 2,304,555 km (0.102 R)
• M6: 3,777,645 km (0.102 R)
• M7: 4,117,233 km (0.081 R)
• M8: 4,760,803 km (0.064 R)
• M9: 7,395,969 km (0.072 R)
• M10: 12,778,501 km (0.086 R)
• M11: 16,551,658 km (0.088 R)
• M12: 22,440,728 km (0.09 R)
• M13: 26,407,914 km (0.102 R)
• M14: 36,833,539 km (0.045 R)
• M15: 39,044,446 km (0.092 R)
• M16: 39,845,393 km (0.115 R)
• M17: 42,876,246 km (0.107 R)
• M18: 47,101,787 km (0.067 R)
• M19: 50,015,954 km (0.118 R)
• M20: 52,238,529 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.5

Radius: 5.9

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 15.69 AU - 22.63 AU

Year: 30481 Days

Day: 21.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,246,113 km

• M1: 94,995 km (0.038 R)
• M2: 511,924 km (0.108 R)
• M3: 990,936 km (0.065 R)
• M4: 2,110,527 km (0.1 R)
• M5: 3,581,223 km (0.066 R)
• M6: 3,831,800 km (0.045 R)
• M7: 5,067,927 km (0.108 R)
• M8: 5,465,259 km (0.094 R)
• M9: 5,755,479 km (0.067 R)
• M10: 6,012,488 km (0.058 R)
• M11: 7,821,575 km (0.096 R)
• M12: 8,849,911 km (0.103 R)
• M13: 9,783,252 km (0.05 R)
• M14: 11,237,343 km (0.112 R)
• M15: 11,437,206 km (0.031 R)
• M16: 22,663,030 km (0.103 R)
• M17: 26,457,879 km (0.108 R)
• M18: 27,049,539 km (0.088 R)
• M19: 29,630,551 km (0.096 R)
• M20: 31,046,046 km (0.114 R)
• M21: 41,758,301 km (0.112 R)
• M22: 50,966,050 km (0.052 R)
• M23: 57,802,373 km (0.092 R)
• M24: 62,684,201 km (0.115 R)
• M25: 79,452,925 km (0.094 R)
• M26: 81,178,537 km (0.11 R)
• M27: 81,925,628 km (0.081 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 17,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit