🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.55 AU - 0.69 AU

Year: 176 Days

Day: 35.3 Hours

Environment

Temp: 159 °C

Axial Tilt: 5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.9

Radius: 8.7

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.32 AU - 6.36 AU

Year: 5745 Days

Day: 5.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,600,195 km

• M1: 108,608 km (0.074 R)
• M2: 646,562 km (0.062 R)
• M3: 972,835 km (0.113 R)
• M4: 1,400,236 km (0.116 R)
• M5: 1,889,720 km (0.076 R)
• M6: 2,680,495 km (0.079 R)
• M7: 3,601,569 km (0.059 R)
• M8: 6,134,111 km (0.09 R)
• M9: 10,521,069 km (0.098 R)
• M10: 12,340,478 km (0.119 R)
• M11: 13,257,513 km (0.098 R)
• M12: 15,177,901 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.9

Radius: 12.1

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.31 AU - 8.01 AU

Year: 7630 Days

Day: 12.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,600,195 km

• M1: 150,944 km (0.092 R)
• M2: 901,178 km (0.061 R)
• M3: 1,366,577 km (0.084 R)
• M4: 1,992,793 km (0.052 R)
• M5: 2,990,461 km (0.104 R)
• M6: 3,626,252 km (0.07 R)
• M7: 4,134,137 km (0.079 R)
• M8: 4,574,254 km (0.118 R)
• M9: 5,293,670 km (0.089 R)
• M10: 5,847,781 km (0.094 R)
• M11: 6,297,322 km (0.077 R)
• M12: 6,882,400 km (0.084 R)
• M13: 7,503,380 km (0.08 R)
• M14: 8,077,088 km (0.064 R)
• M15: 8,768,530 km (0.119 R)
• M16: 9,220,465 km (0.046 R)
• M17: 9,640,386 km (0.104 R)
• M18: 11,081,462 km (0.105 R)
• M19: 11,503,328 km (0.115 R)
• M20: 13,416,685 km (0.104 R)
• M21: 15,863,059 km (0.045 R)
• M22: 21,459,515 km (0.117 R)
• M23: 23,297,026 km (0.056 R)
• M24: 24,078,076 km (0.112 R)
• M25: 24,519,540 km (0.093 R)
• M26: 26,526,545 km (0.051 R)
• M27: 27,956,252 km (0.059 R)
• M28: 29,336,442 km (0.091 R)
• M29: 33,311,257 km (0.107 R)
• M30: 34,749,641 km (0.119 R)
• M31: 41,928,543 km (0.051 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.1

Radius: 6

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 11.03 AU - 14.53 AU

Year: 16443 Days

Day: 20.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,600,195 km

• M1: 95,892 km (0.097 R)
• M2: 745,446 km (0.073 R)
• M3: 957,426 km (0.034 R)
• M4: 1,635,105 km (0.059 R)
• M5: 3,227,125 km (0.1 R)
• M6: 3,568,059 km (0.079 R)
• M7: 5,242,358 km (0.108 R)
• M8: 6,324,100 km (0.07 R)
• M9: 7,176,958 km (0.104 R)
• M10: 7,505,325 km (0.068 R)
• M11: 7,886,650 km (0.047 R)
• M12: 8,873,398 km (0.12 R)
• M13: 11,417,160 km (0.073 R)
• M14: 12,035,747 km (0.077 R)
• M15: 13,278,307 km (0.109 R)
• M16: 16,790,267 km (0.107 R)
• M17: 17,078,093 km (0.12 R)
• M18: 23,638,109 km (0.114 R)
• M19: 26,634,704 km (0.075 R)
• M20: 35,686,123 km (0.11 R)

Kuiper Belt

Range: 30.5 - 45.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 11,389 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit