🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.6 AU - 0.76 AU

Year: 206 Days

Day: 30.9 Hours

Environment

Temp: 128 °C

Axial Tilt: 6.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,867,013 km

• M1: 71,209 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.02 AU - 1.26 AU

Year: 447 Days

Day: 17.1 Hours

Environment

Temp: -3 °C

Axial Tilt: 12 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.35 AU - 2.63 AU

Year: 1442 Days

Day: 17 Hours

Environment

Temp: -78 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.2 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.2

Radius: 8.3

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.24 AU - 6.56 AU

Year: 5261 Days

Day: 8.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,867,013 km

• M1: 104,868 km (0.117 R)
• M2: 435,180 km (0.099 R)
• M3: 742,753 km (0.119 R)
• M4: 1,046,138 km (0.091 R)
• M5: 1,610,870 km (0.119 R)
• M6: 2,042,011 km (0.053 R)
• M7: 2,397,904 km (0.105 R)
• M8: 4,838,743 km (0.088 R)
• M9: 5,738,574 km (0.07 R)
• M10: 6,580,960 km (0.114 R)
• M11: 6,946,876 km (0.099 R)
• M12: 7,829,354 km (0.053 R)
• M13: 8,509,576 km (0.112 R)
• M14: 11,391,130 km (0.035 R)
• M15: 12,564,725 km (0.057 R)
• M16: 14,087,931 km (0.083 R)
• M17: 14,417,794 km (0.089 R)
• M18: 16,026,121 km (0.106 R)
• M19: 16,325,316 km (0.118 R)
• M20: 17,750,386 km (0.071 R)
• M21: 18,070,974 km (0.037 R)
• M22: 19,868,692 km (0.085 R)
• M23: 20,704,645 km (0.116 R)
• M24: 21,636,639 km (0.083 R)
• M25: 24,600,173 km (0.083 R)
• M26: 25,401,569 km (0.094 R)
• M27: 29,224,393 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.4

Radius: 10.3

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 9.65 AU - 14.21 AU

Year: 15126 Days

Day: 8.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,867,013 km

• M1: 128,654 km (0.087 R)
• M2: 603,777 km (0.045 R)
• M3: 931,546 km (0.085 R)
• M4: 1,510,490 km (0.106 R)
• M5: 1,996,533 km (0.074 R)
• M6: 2,649,677 km (0.11 R)
• M7: 3,260,037 km (0.085 R)
• M8: 4,078,188 km (0.079 R)
• M9: 6,002,465 km (0.104 R)
• M10: 7,013,298 km (0.088 R)
• M11: 10,169,214 km (0.113 R)
• M12: 10,955,650 km (0.043 R)
• M13: 13,164,164 km (0.102 R)
• M14: 20,651,986 km (0.065 R)
• M15: 22,095,905 km (0.037 R)
• M16: 22,467,207 km (0.071 R)
• M17: 23,994,152 km (0.083 R)
• M18: 27,788,253 km (0.058 R)
• M19: 30,567,183 km (0.065 R)
• M20: 30,912,605 km (0.111 R)
• M21: 35,644,086 km (0.092 R)
• M22: 39,733,194 km (0.041 R)
• M23: 42,818,052 km (0.064 R)
• M24: 49,618,323 km (0.065 R)
• M25: 52,199,933 km (0.039 R)
• M26: 53,690,825 km (0.053 R)
• M27: 57,804,916 km (0.12 R)
• M28: 59,579,446 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81

Radius: 7.9

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 17.46 AU - 19.38 AU

Year: 29021 Days

Day: 20.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,867,013 km

• M1: 98,435 km (0.117 R)
• M2: 376,837 km (0.114 R)
• M3: 826,827 km (0.101 R)
• M4: 1,878,052 km (0.087 R)
• M5: 2,498,284 km (0.105 R)
• M6: 3,342,615 km (0.087 R)
• M7: 4,279,397 km (0.09 R)
• M8: 5,856,906 km (0.119 R)
• M9: 10,834,476 km (0.119 R)
• M10: 12,679,317 km (0.105 R)
• M11: 13,096,097 km (0.077 R)
• M12: 14,529,693 km (0.037 R)
• M13: 15,052,089 km (0.064 R)
• M14: 24,555,892 km (0.112 R)
• M15: 29,850,310 km (0.098 R)
• M16: 30,694,342 km (0.108 R)
• M17: 35,505,259 km (0.102 R)
• M18: 38,894,399 km (0.068 R)
• M19: 40,924,741 km (0.111 R)
• M20: 44,237,138 km (0.086 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 12,366 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit