🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.53 AU - 0.75 AU

Year: 179 Days

Day: 46.8 Hours

Environment

Temp: 249 °C

Axial Tilt: 38 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 100,568,676 km

• M1: 121,473 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.79 AU - 0.97 AU

Year: 289 Days

Day: 38.2 Hours

Environment

Temp: 154 °C

Axial Tilt: 15.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 3.85 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.3

Radius: 8.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.39 AU - 8.25 AU

Year: 6231 Days

Day: 10.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 100,568,676 km

• M1: 110,702 km (0.104 R)
• M2: 446,849 km (0.103 R)
• M3: 787,782 km (0.069 R)
• M4: 1,286,392 km (0.09 R)
• M5: 1,586,485 km (0.079 R)
• M6: 1,921,435 km (0.064 R)
• M7: 2,657,756 km (0.085 R)
• M8: 3,065,260 km (0.109 R)
• M9: 3,764,331 km (0.062 R)
• M10: 4,279,696 km (0.097 R)
• M11: 4,771,424 km (0.047 R)
• M12: 5,502,210 km (0.064 R)
• M13: 6,002,465 km (0.108 R)
• M14: 6,390,223 km (0.073 R)
• M15: 6,824,056 km (0.114 R)
• M16: 8,211,278 km (0.091 R)
• M17: 9,150,453 km (0.107 R)
• M18: 10,043,851 km (0.109 R)
• M19: 11,117,216 km (0.077 R)
• M20: 12,046,817 km (0.108 R)
• M21: 16,771,417 km (0.066 R)
• M22: 17,822,791 km (0.079 R)
• M23: 20,301,927 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.7

Radius: 7.6

Gravity: 12.82 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 17.37 AU - 20.85 AU

Year: 29226 Days

Day: 18.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 100,568,676 km

• M1: 112,198 km (0.073 R)
• M2: 710,291 km (0.119 R)
• M3: 1,365,380 km (0.114 R)
• M4: 1,799,962 km (0.056 R)
• M5: 2,700,242 km (0.087 R)
• M6: 4,365,565 km (0.108 R)
• M7: 5,435,489 km (0.114 R)
• M8: 5,695,191 km (0.059 R)
• M9: 7,275,692 km (0.087 R)
• M10: 7,916,869 km (0.083 R)
• M11: 9,684,218 km (0.077 R)
• M12: 10,066,890 km (0.073 R)
• M13: 14,550,487 km (0.095 R)
• M14: 15,052,837 km (0.108 R)
• M15: 16,359,126 km (0.104 R)
• M16: 17,363,974 km (0.039 R)
• M17: 20,209,625 km (0.077 R)
• M18: 28,070,993 km (0.111 R)
• M19: 29,111,895 km (0.076 R)
• M20: 39,180,730 km (0.04 R)
• M21: 47,226,701 km (0.109 R)
• M22: 48,326,994 km (0.036 R)
• M23: 50,009,371 km (0.059 R)
• M24: 68,099,045 km (0.095 R)
• M25: 71,885,068 km (0.107 R)

Kuiper Belt

Range: 31.4 - 53.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 11,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit