🌌 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: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.5 AU - 0.54 AU

Year: 134 Days

Day: 15.5 Hours

Environment

Temp: 208 °C

Axial Tilt: 35.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.88 AU - 1.12 AU

Year: 356 Days

Day: 16.7 Hours

Environment

Temp: 106 °C

Axial Tilt: 49.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 89,865,264 km

• M1: 80,184 km (0.051 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.37 AU - 3.43 AU

Year: 1760 Days

Day: 19.2 Hours

Environment

Temp: -91 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.76 AU - 5.32 AU

Year: 3448 Days

Day: 26.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.5

Radius: 10.7

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.89 AU - 6.13 AU

Year: 4610 Days

Day: 13.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,865,264 km

• M1: 137,331 km (0.085 R)
• M2: 513,270 km (0.068 R)
• M3: 1,039,705 km (0.099 R)
• M4: 3,755,505 km (0.046 R)
• M5: 4,360,479 km (0.066 R)
• M6: 5,441,323 km (0.103 R)
• M7: 7,064,909 km (0.077 R)
• M8: 10,562,956 km (0.11 R)
• M9: 12,404,805 km (0.102 R)
• M10: 14,502,915 km (0.07 R)
• M11: 23,174,057 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.2

Radius: 8.2

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.47 AU - 6.75 AU

Year: 4736 Days

Day: 6.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,865,264 km

• M1: 102,026 km (0.079 R)
• M2: 359,932 km (0.098 R)
• M3: 765,642 km (0.103 R)
• M4: 1,246,898 km (0.099 R)
• M5: 1,596,658 km (0.117 R)
• M6: 2,080,308 km (0.044 R)
• M7: 2,433,808 km (0.1 R)
• M8: 2,708,170 km (0.074 R)
• M9: 5,043,393 km (0.069 R)
• M10: 6,141,890 km (0.1 R)
• M11: 6,623,296 km (0.085 R)
• M12: 7,559,629 km (0.067 R)
• M13: 7,937,065 km (0.09 R)
• M14: 9,494,977 km (0.118 R)
• M15: 10,138,846 km (0.082 R)
• M16: 10,513,589 km (0.12 R)
• M17: 11,246,768 km (0.062 R)
• M18: 12,386,255 km (0.1 R)
• M19: 14,733,745 km (0.112 R)
• M20: 19,512,948 km (0.061 R)
• M21: 20,618,775 km (0.099 R)
• M22: 22,041,900 km (0.09 R)
• M23: 24,039,480 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.1

Radius: 5

Gravity: 31.12 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 16.18 AU - 17 AU

Year: 24086 Days

Day: 15.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,865,264 km

• M1: 62,233 km (0.095 R)
• M2: 341,682 km (0.109 R)
• M3: 503,397 km (0.093 R)
• M4: 780,602 km (0.11 R)
• M5: 1,198,129 km (0.107 R)
• M6: 1,929,813 km (0.118 R)
• M7: 2,207,317 km (0.102 R)
• M8: 4,951,091 km (0.031 R)
• M9: 5,471,542 km (0.099 R)
• M10: 6,072,178 km (0.113 R)
• M11: 6,480,729 km (0.095 R)
• M12: 7,659,860 km (0.064 R)
• M13: 8,245,535 km (0.115 R)
• M14: 12,982,851 km (0.071 R)
• M15: 13,281,000 km (0.03 R)
• M16: 14,439,934 km (0.1 R)
• M17: 15,003,170 km (0.057 R)
• M18: 15,917,662 km (0.105 R)
• M19: 18,788,595 km (0.119 R)
• M20: 19,752,005 km (0.1 R)
• M21: 20,445,840 km (0.078 R)
• M22: 25,529,774 km (0.117 R)
• M23: 28,174,814 km (0.09 R)
• M24: 29,053,253 km (0.112 R)
• M25: 31,129,372 km (0.104 R)
• M26: 48,141,642 km (0.07 R)
• M27: 54,824,179 km (0.084 R)
• M28: 55,994,782 km (0.072 R)
• M29: 56,784,360 km (0.066 R)
• M30: 57,781,878 km (0.04 R)
• M31: 60,636,655 km (0.085 R)
• M32: 69,082,651 km (0.082 R)
• M33: 72,295,864 km (0.063 R)
• M34: 74,176,159 km (0.089 R)
• M35: 77,057,115 km (0.067 R)
• M36: 79,762,742 km (0.072 R)
• M37: 84,584,132 km (0.07 R)

Kuiper Belt

Range: 30.8 - 53.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 12,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit