🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.55 AU - 0.57 AU

Year: 152 Days

Day: 47.1 Hours

Environment

Temp: 218 °C

Axial Tilt: 104.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.66 AU - 1.04 AU

Year: 283 Days

Day: 28 Hours

Environment

Temp: 144 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,701,655 km

• M1: 167,101 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.2

Radius: 13.6

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.92 AU - 6.74 AU

Year: 5091 Days

Day: 13.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,701,655 km

• M1: 169,195 km (0.102 R)
• M2: 923,468 km (0.11 R)
• M3: 2,178,444 km (0.095 R)
• M4: 2,854,327 km (0.12 R)
• M5: 6,180,935 km (0.059 R)
• M6: 9,741,813 km (0.097 R)
• M7: 12,156,173 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.6

Radius: 9.9

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.03 AU - 6.67 AU

Year: 5787 Days

Day: 12.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,701,655 km

• M1: 140,772 km (0.095 R)
• M2: 840,740 km (0.074 R)
• M3: 1,530,685 km (0.112 R)
• M4: 1,865,186 km (0.049 R)
• M5: 2,312,484 km (0.056 R)
• M6: 3,217,551 km (0.115 R)
• M7: 4,219,707 km (0.078 R)
• M8: 5,360,241 km (0.063 R)
• M9: 6,966,025 km (0.063 R)
• M10: 8,355,191 km (0.088 R)
• M11: 9,533,424 km (0.059 R)
• M12: 10,543,957 km (0.113 R)
• M13: 12,828,765 km (0.113 R)
• M14: 14,731,650 km (0.104 R)
• M15: 17,960,720 km (0.07 R)
• M16: 19,774,445 km (0.112 R)
• M17: 21,781,151 km (0.115 R)
• M18: 26,195,186 km (0.106 R)
• M19: 28,878,373 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.7

Radius: 3.2

Gravity: 18.33 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 15.15 AU - 17.57 AU

Year: 23931 Days

Day: 22.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,701,655 km

• M1: 41,289 km (0.037 R)
• M2: 868,416 km (0.058 R)
• M3: 1,222,813 km (0.05 R)
• M4: 1,341,893 km (0.091 R)
• M5: 1,542,653 km (0.104 R)
• M6: 2,615,120 km (0.104 R)
• M7: 2,905,191 km (0.109 R)
• M8: 6,195,596 km (0.088 R)
• M9: 7,731,667 km (0.115 R)
• M10: 10,566,546 km (0.097 R)
• M11: 11,883,307 km (0.096 R)
• M12: 13,177,628 km (0.069 R)
• M13: 13,305,534 km (0.077 R)
• M14: 16,706,043 km (0.116 R)
• M15: 20,556,842 km (0.094 R)
• M16: 21,871,657 km (0.103 R)
• M17: 24,090,194 km (0.112 R)
• M18: 28,325,459 km (0.117 R)
• M19: 28,538,636 km (0.09 R)
• M20: 28,753,010 km (0.072 R)
• M21: 32,445,235 km (0.072 R)

Kuiper Belt

Range: 30.3 - 46.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 11,419 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit