🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.76 AU - 0.98 AU

Year: 283 Days

Day: 37.8 Hours

Environment

Temp: 193 °C

Axial Tilt: 163.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.98 AU - 1.32 AU

Year: 429 Days

Day: 27.5 Hours

Environment

Temp: 32 °C

Axial Tilt: 9.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.15 AU - 3.45 AU

Year: 2088 Days

Day: 17.3 Hours

Environment

Temp: -106 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 83,438,473 km

• M1: 247,734 km (0.078 R)
• M2: 1,290,431 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.36 AU - 5.48 AU

Year: 3236 Days

Day: 17.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 83,438,473 km

• M1: 56,548 km (0.085 R)
• M2: 103,372 km (0.063 R)

Asteroid Belt

Center: 6.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.3

Radius: 13.5

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.74 AU - 10.64 AU

Year: 9702 Days

Day: 9.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,438,473 km

• M1: 168,298 km (0.06 R)
• M2: 634,145 km (0.062 R)
• M3: 1,449,603 km (0.101 R)
• M4: 2,026,303 km (0.054 R)
• M5: 2,543,164 km (0.082 R)
• M6: 3,191,521 km (0.108 R)
• M7: 3,973,619 km (0.032 R)
• M8: 4,763,495 km (0.082 R)
• M9: 6,159,393 km (0.047 R)
• M10: 8,654,985 km (0.095 R)
• M11: 9,234,527 km (0.099 R)
• M12: 11,762,282 km (0.039 R)
• M13: 13,156,534 km (0.108 R)
• M14: 16,338,930 km (0.093 R)
• M15: 17,929,454 km (0.106 R)
• M16: 23,748,213 km (0.071 R)
• M17: 26,244,104 km (0.112 R)
• M18: 27,460,335 km (0.109 R)
• M19: 29,703,854 km (0.112 R)
• M20: 31,751,849 km (0.116 R)
• M21: 32,810,403 km (0.085 R)
• M22: 35,110,022 km (0.089 R)
• M23: 40,150,273 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.2

Radius: 5.1

Gravity: 37.11 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 12.14 AU - 16.98 AU

Year: 19348 Days

Day: 20.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 83,438,473 km

• M1: 63,429 km (0.105 R)
• M2: 234,270 km (0.051 R)
• M3: 533,616 km (0.11 R)
• M4: 710,590 km (0.072 R)
• M5: 1,562,849 km (0.101 R)
• M6: 1,778,569 km (0.11 R)
• M7: 2,452,358 km (0.092 R)
• M8: 4,084,471 km (0.063 R)
• M9: 5,520,461 km (0.113 R)
• M10: 5,894,156 km (0.034 R)
• M11: 6,196,493 km (0.109 R)
• M12: 6,973,654 km (0.093 R)
• M13: 7,410,480 km (0.042 R)
• M14: 8,178,815 km (0.108 R)
• M15: 9,284,044 km (0.051 R)
• M16: 9,575,161 km (0.108 R)
• M17: 10,801,116 km (0.105 R)
• M18: 11,786,667 km (0.113 R)
• M19: 12,405,852 km (0.105 R)
• M20: 12,902,368 km (0.068 R)
• M21: 14,705,471 km (0.045 R)
• M22: 17,537,508 km (0.103 R)
• M23: 20,030,407 km (0.071 R)
• M24: 23,707,971 km (0.096 R)
• M25: 25,705,103 km (0.09 R)
• M26: 28,052,593 km (0.088 R)
• M27: 33,712,179 km (0.11 R)
• M28: 36,374,872 km (0.099 R)
• M29: 37,244,035 km (0.054 R)
• M30: 41,326,861 km (0.07 R)
• M31: 41,640,717 km (0.118 R)
• M32: 49,833,893 km (0.078 R)
• M33: 51,447,007 km (0.043 R)
• M34: 61,862,459 km (0.099 R)
• M35: 72,453,839 km (0.078 R)
• M36: 79,016,847 km (0.076 R)
• M37: 79,258,149 km (0.074 R)

Kuiper Belt

Range: 31.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 20,197 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit