🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.4 AU - 0.64 AU

Year: 246 Days

Day: 28.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 52,725,071 km

• M1: 78,389 km (0.087 R)
• M2: 300,093 km (0.111 R)

Asteroid Belt

Center: 0.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.5

Radius: 11.9

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.88 AU - 1.22 AU

Year: 706 Days

Day: 11.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,725,071 km

• M1: 148,102 km (0.046 R)
• M2: 575,204 km (0.089 R)
• M3: 948,151 km (0.115 R)
• M4: 1,556,566 km (0.077 R)
• M5: 1,999,824 km (0.078 R)
• M6: 2,442,484 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.7

Radius: 12.7

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.55 AU - 2.27 AU

Year: 1732 Days

Day: 8 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,725,071 km

• M1: 157,975 km (0.077 R)
• M2: 684,261 km (0.088 R)
• M3: 1,664,276 km (0.104 R)
• M4: 2,449,067 km (0.1 R)
• M5: 3,320,325 km (0.103 R)
• M6: 4,647,856 km (0.053 R)
• M7: 5,744,109 km (0.098 R)
• M8: 6,253,041 km (0.09 R)
• M9: 7,141,204 km (0.053 R)
• M10: 8,261,542 km (0.085 R)
• M11: 8,691,187 km (0.099 R)
• M12: 9,595,507 km (0.036 R)
• M13: 10,384,336 km (0.094 R)
• M14: 11,477,897 km (0.11 R)
• M15: 12,327,463 km (0.034 R)
• M16: 12,767,729 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.7

Radius: 10.8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.96 AU - 4.46 AU

Year: 5667 Days

Day: 13.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,725,071 km

• M1: 134,488 km (0.111 R)
• M2: 561,441 km (0.117 R)
• M3: 1,390,213 km (0.092 R)
• M4: 3,083,811 km (0.12 R)
• M5: 6,097,011 km (0.111 R)
• M6: 6,951,514 km (0.111 R)
• M7: 9,777,118 km (0.096 R)
• M8: 10,483,370 km (0.096 R)
• M9: 13,471,587 km (0.115 R)
• M10: 14,440,383 km (0.114 R)
• M11: 17,197,472 km (0.057 R)
• M12: 17,951,744 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.9

Radius: 5.9

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 9.3 AU - 11.82 AU

Year: 22512 Days

Day: 22.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,725,071 km

• M1: 73,453 km (0.096 R)
• M2: 261,946 km (0.082 R)
• M3: 560,992 km (0.108 R)
• M4: 828,922 km (0.102 R)
• M5: 1,168,359 km (0.071 R)
• M6: 1,611,767 km (0.098 R)
• M7: 2,017,626 km (0.087 R)
• M8: 2,292,288 km (0.081 R)
• M9: 2,740,334 km (0.105 R)
• M10: 4,650,848 km (0.105 R)
• M11: 12,201,502 km (0.109 R)
• M12: 14,532,835 km (0.1 R)
• M13: 15,005,115 km (0.045 R)
• M14: 15,417,856 km (0.116 R)
• M15: 20,220,995 km (0.082 R)
• M16: 33,446,045 km (0.047 R)
• M17: 38,584,582 km (0.092 R)
• M18: 51,006,591 km (0.027 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 15,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit