🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220

Radius: 9.9

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.96 AU - 1.2 AU

Year: 775 Days

Day: 11.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 150.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,894,974 km

• M1: 124,765 km (0.109 R)
• M2: 436,227 km (0.112 R)
• M3: 1,089,820 km (0.114 R)
• M4: 1,968,259 km (0.097 R)
• M5: 2,811,094 km (0.117 R)
• M6: 3,251,061 km (0.089 R)
• M7: 3,610,694 km (0.095 R)
• M8: 4,255,611 km (0.114 R)
• M9: 5,340,644 km (0.111 R)
• M10: 5,878,299 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.9

Radius: 9.5

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.06 AU - 1.7 AU

Year: 1119 Days

Day: 14.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,894,974 km

• M1: 118,182 km (0.118 R)
• M2: 452,234 km (0.043 R)
• M3: 793,018 km (0.102 R)
• M4: 1,160,879 km (0.078 R)
• M5: 1,543,700 km (0.056 R)
• M6: 2,152,115 km (0.055 R)
• M7: 2,750,207 km (0.053 R)
• M8: 3,096,227 km (0.059 R)
• M9: 4,422,562 km (0.066 R)
• M10: 4,801,493 km (0.046 R)
• M11: 6,162,684 km (0.047 R)
• M12: 6,491,949 km (0.107 R)
• M13: 7,900,712 km (0.06 R)
• M14: 8,633,443 km (0.101 R)
• M15: 9,410,753 km (0.099 R)
• M16: 10,696,697 km (0.088 R)
• M17: 11,771,108 km (0.071 R)
• M18: 12,316,093 km (0.12 R)
• M19: 12,613,644 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.3

Radius: 12.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.39 AU - 1.41 AU

Year: 1143 Days

Day: 9.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,894,974 km

• M1: 156,779 km (0.096 R)
• M2: 647,759 km (0.074 R)
• M3: 1,284,298 km (0.069 R)
• M4: 1,833,322 km (0.115 R)
• M5: 2,429,918 km (0.088 R)
• M6: 3,142,154 km (0.05 R)
• M7: 3,895,678 km (0.1 R)
• M8: 4,409,248 km (0.065 R)
• M9: 5,421,576 km (0.088 R)
• M10: 5,903,132 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514

Radius: 13.8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.31 AU - 1.61 AU

Year: 1218 Days

Day: 13.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,894,974 km

• M1: 171,589 km (0.104 R)
• M2: 740,360 km (0.108 R)
• M3: 1,271,731 km (0.068 R)
• M4: 1,703,920 km (0.087 R)
• M5: 2,717,595 km (0.092 R)
• M6: 3,585,711 km (0.047 R)
• M7: 4,560,491 km (0.116 R)
• M8: 5,934,697 km (0.114 R)
• M9: 8,132,290 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351

Radius: 4.8

Gravity: 15.23 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.6 AU - 6.8 AU

Year: 9393 Days

Day: 23.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,894,974 km

• M1: 93,199 km (0.094 R)
• M2: 1,503,309 km (0.106 R)
• M3: 1,773,333 km (0.077 R)
• M4: 2,107,086 km (0.1 R)
• M5: 3,971,225 km (0.026 R)
• M6: 6,038,219 km (0.073 R)
• M7: 9,553,320 km (0.095 R)
• M8: 11,865,355 km (0.094 R)
• M9: 15,003,769 km (0.112 R)
• M10: 15,555,037 km (0.097 R)
• M11: 17,156,781 km (0.119 R)
• M12: 18,865,189 km (0.053 R)
• M13: 19,943,042 km (0.032 R)
• M14: 23,016,680 km (0.108 R)
• M15: 24,497,250 km (0.029 R)
• M16: 25,778,705 km (0.088 R)
• M17: 32,050,596 km (0.043 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.1

Radius: 3

Gravity: 24.34 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.72 AU - 8.02 AU

Year: 12429 Days

Day: 17.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,894,974 km

• M1: 79,885 km (0.029 R)
• M2: 970,142 km (0.114 R)
• M3: 1,220,569 km (0.085 R)
• M4: 1,486,255 km (0.08 R)
• M5: 1,745,358 km (0.041 R)
• M6: 2,406,132 km (0.103 R)
• M7: 3,579,877 km (0.096 R)
• M8: 5,238,469 km (0.077 R)
• M9: 7,694,417 km (0.112 R)
• M10: 8,214,569 km (0.116 R)
• M11: 8,886,413 km (0.096 R)
• M12: 9,279,855 km (0.091 R)
• M13: 10,578,664 km (0.038 R)
• M14: 12,258,798 km (0.057 R)
• M15: 13,302,691 km (0.032 R)
• M16: 14,167,666 km (0.114 R)
• M17: 14,583,698 km (0.118 R)
• M18: 19,493,201 km (0.116 R)
• M19: 21,140,722 km (0.102 R)
• M20: 30,194,685 km (0.118 R)
• M21: 31,281,064 km (0.105 R)
• M22: 31,884,393 km (0.113 R)
• M23: 33,010,715 km (0.1 R)
• M24: 33,531,316 km (0.028 R)
• M25: 36,993,609 km (0.087 R)
• M26: 37,555,349 km (0.092 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 16,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit