🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621

Radius: 13.4

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.71 AU - 0.87 AU

Year: 485 Days

Day: 8.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,860,539 km

• M1: 168,597 km (0.113 R)
• M2: 717,023 km (0.097 R)
• M3: 1,456,186 km (0.113 R)
• M4: 1,907,373 km (0.107 R)
• M5: 2,453,255 km (0.087 R)
• M6: 3,634,929 km (0.026 R)
• M7: 5,102,783 km (0.072 R)
• M8: 5,935,894 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.1

Radius: 13.7

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.83 AU - 0.97 AU

Year: 589 Days

Day: 13.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,860,539 km

• M1: 170,392 km (0.062 R)
• M2: 713,283 km (0.076 R)
• M3: 1,227,750 km (0.118 R)
• M4: 1,692,102 km (0.103 R)
• M5: 2,247,409 km (0.107 R)
• M6: 2,701,738 km (0.111 R)
• M7: 4,361,077 km (0.051 R)
• M8: 6,325,297 km (0.046 R)
• M9: 6,866,243 km (0.093 R)
• M10: 7,308,305 km (0.109 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.4

Radius: 7.3

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.92 AU - 7.7 AU

Year: 10941 Days

Day: 18 Hours

Environment

Temp: -219 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,860,539 km

• M1: 90,806 km (0.094 R)
• M2: 499,208 km (0.113 R)
• M3: 1,145,321 km (0.049 R)
• M4: 1,434,644 km (0.117 R)
• M5: 1,738,926 km (0.081 R)
• M6: 2,111,574 km (0.085 R)
• M7: 3,253,305 km (0.065 R)
• M8: 3,612,340 km (0.085 R)
• M9: 3,859,625 km (0.097 R)
• M10: 4,220,904 km (0.069 R)
• M11: 4,604,622 km (0.085 R)
• M12: 5,011,229 km (0.096 R)
• M13: 6,294,630 km (0.066 R)
• M14: 7,233,655 km (0.101 R)
• M15: 8,761,798 km (0.108 R)
• M16: 9,422,272 km (0.056 R)
• M17: 11,278,483 km (0.088 R)
• M18: 15,548,006 km (0.088 R)

Asteroid Belt

Center: 7.18 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.2

Radius: 3.5

Gravity: 33.73 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.76 AU - 8.34 AU

Year: 15765 Days

Day: 15.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,860,539 km

• M1: 56,548 km (0.079 R)
• M2: 1,259,764 km (0.11 R)
• M3: 1,553,424 km (0.116 R)
• M4: 2,179,043 km (0.043 R)
• M5: 2,294,532 km (0.037 R)
• M6: 5,173,094 km (0.071 R)
• M7: 5,379,240 km (0.106 R)
• M8: 6,611,927 km (0.066 R)
• M9: 7,145,243 km (0.06 R)
• M10: 12,182,503 km (0.085 R)
• M11: 13,815,663 km (0.051 R)
• M12: 15,874,877 km (0.042 R)
• M13: 19,996,598 km (0.03 R)
• M14: 20,503,884 km (0.103 R)
• M15: 23,354,920 km (0.114 R)
• M16: 24,201,944 km (0.11 R)
• M17: 25,166,999 km (0.092 R)
• M18: 26,157,188 km (0.111 R)
• M19: 33,117,378 km (0.078 R)
• M20: 35,521,865 km (0.094 R)
• M21: 38,427,953 km (0.082 R)
• M22: 39,872,021 km (0.095 R)
• M23: 48,088,834 km (0.076 R)
• M24: 48,542,115 km (0.061 R)
• M25: 49,457,206 km (0.059 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 18,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit