🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.98 AU - 2.36 AU

Year: 1459 Days

Day: 43 Hours

Environment

Temp: -130 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.6

Radius: 9.1

Gravity: 11.99 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.14 AU - 3.88 AU

Year: 3002 Days

Day: 10.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,305,887 km

• M1: 113,694 km (0.101 R)
• M2: 400,025 km (0.118 R)
• M3: 1,047,933 km (0.037 R)
• M4: 1,571,376 km (0.052 R)
• M5: 1,971,401 km (0.036 R)
• M6: 3,616,080 km (0.09 R)
• M7: 4,162,710 km (0.114 R)
• M8: 4,479,259 km (0.068 R)
• M9: 4,860,734 km (0.076 R)
• M10: 5,799,012 km (0.119 R)
• M11: 6,822,560 km (0.103 R)
• M12: 7,199,996 km (0.102 R)
• M13: 8,030,862 km (0.067 R)
• M14: 8,850,659 km (0.065 R)
• M15: 9,685,864 km (0.028 R)
• M16: 10,908,228 km (0.033 R)
• M17: 11,207,573 km (0.118 R)
• M18: 11,556,585 km (0.097 R)
• M19: 13,954,489 km (0.084 R)
• M20: 16,108,699 km (0.105 R)
• M21: 17,236,068 km (0.088 R)
• M22: 18,901,541 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.4

Radius: 14.1

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.46 AU - 7.68 AU

Year: 7689 Days

Day: 9.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,305,887 km

• M1: 175,927 km (0.116 R)
• M2: 687,552 km (0.079 R)
• M3: 1,461,272 km (0.11 R)
• M4: 2,496,788 km (0.116 R)
• M5: 3,676,517 km (0.091 R)
• M6: 4,492,873 km (0.105 R)
• M7: 5,102,185 km (0.086 R)
• M8: 5,792,878 km (0.116 R)
• M9: 7,082,412 km (0.035 R)
• M10: 8,144,108 km (0.115 R)
• M11: 9,017,161 km (0.102 R)
• M12: 13,192,288 km (0.102 R)
• M13: 13,761,658 km (0.044 R)
• M14: 15,051,640 km (0.044 R)
• M15: 16,420,760 km (0.115 R)
• M16: 17,529,280 km (0.027 R)
• M17: 18,510,343 km (0.038 R)
• M18: 19,284,961 km (0.049 R)
• M19: 20,962,850 km (0.101 R)
• M20: 22,534,376 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.2

Radius: 7.4

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 12.8 AU - 12.92 AU

Year: 21055 Days

Day: 19.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,305,887 km

• M1: 92,451 km (0.081 R)
• M2: 773,271 km (0.097 R)
• M3: 1,271,582 km (0.075 R)
• M4: 2,620,655 km (0.103 R)
• M5: 3,933,826 km (0.081 R)
• M6: 4,906,062 km (0.073 R)
• M7: 5,510,886 km (0.061 R)
• M8: 5,766,400 km (0.088 R)
• M9: 6,029,841 km (0.069 R)
• M10: 8,269,172 km (0.097 R)
• M11: 10,565,649 km (0.057 R)
• M12: 11,468,622 km (0.041 R)
• M13: 12,152,134 km (0.106 R)
• M14: 16,111,541 km (0.075 R)
• M15: 18,345,486 km (0.088 R)
• M16: 19,133,867 km (0.115 R)
• M17: 22,676,494 km (0.081 R)
• M18: 28,583,815 km (0.109 R)
• M19: 29,935,731 km (0.098 R)
• M20: 31,430,961 km (0.112 R)
• M21: 33,395,481 km (0.085 R)
• M22: 35,003,209 km (0.097 R)
• M23: 35,770,945 km (0.118 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 13,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit