🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.5

Radius: 8.8

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.93 AU - 1.37 AU

Year: 851 Days

Day: 7.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,805,203 km

• M1: 109,506 km (0.101 R)
• M2: 475,721 km (0.057 R)
• M3: 1,006,794 km (0.105 R)
• M4: 1,320,201 km (0.116 R)
• M5: 1,934,300 km (0.094 R)
• M6: 2,597,169 km (0.114 R)
• M7: 3,144,547 km (0.09 R)
• M8: 3,531,557 km (0.068 R)
• M9: 3,857,680 km (0.114 R)
• M10: 4,468,788 km (0.087 R)
• M11: 4,851,160 km (0.057 R)
• M12: 5,781,808 km (0.073 R)
• M13: 6,068,438 km (0.065 R)
• M14: 6,560,166 km (0.095 R)
• M15: 7,194,162 km (0.108 R)
• M16: 7,769,665 km (0.112 R)
• M17: 8,119,275 km (0.085 R)
• M18: 8,637,033 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.9

Radius: 14.2

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.45 AU - 1.77 AU

Year: 1410 Days

Day: 8.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,805,203 km

• M1: 176,525 km (0.107 R)
• M2: 636,539 km (0.111 R)
• M3: 1,457,831 km (0.054 R)
• M4: 2,012,391 km (0.111 R)
• M5: 2,882,601 km (0.083 R)
• M6: 3,558,933 km (0.092 R)
• M7: 4,569,168 km (0.094 R)
• M8: 5,067,777 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647

Radius: 12.5

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.92 AU - 2.38 AU

Year: 2176 Days

Day: 11.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,805,203 km

• M1: 155,432 km (0.11 R)
• M2: 610,659 km (0.107 R)
• M3: 1,178,831 km (0.095 R)
• M4: 1,671,307 km (0.099 R)
• M5: 2,138,950 km (0.108 R)
• M6: 3,244,927 km (0.081 R)
• M7: 4,492,574 km (0.082 R)
• M8: 4,914,739 km (0.055 R)
• M9: 5,340,345 km (0.116 R)
• M10: 7,644,152 km (0.101 R)
• M11: 9,691,100 km (0.115 R)
• M12: 13,028,179 km (0.081 R)
• M13: 13,672,348 km (0.097 R)
• M14: 16,316,191 km (0.109 R)
• M15: 16,712,775 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.9

Radius: 7.8

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 7.08 AU - 10.62 AU

Year: 18173 Days

Day: 20.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,805,203 km

• M1: 97,089 km (0.116 R)
• M2: 504,145 km (0.068 R)
• M3: 843,882 km (0.114 R)
• M4: 1,464,713 km (0.118 R)
• M5: 4,056,047 km (0.062 R)
• M6: 5,228,745 km (0.117 R)
• M7: 5,655,398 km (0.067 R)
• M8: 6,039,266 km (0.081 R)
• M9: 6,372,420 km (0.101 R)
• M10: 7,112,032 km (0.054 R)
• M11: 8,225,789 km (0.082 R)
• M12: 9,674,793 km (0.049 R)
• M13: 10,554,878 km (0.084 R)
• M14: 10,843,452 km (0.028 R)
• M15: 13,855,456 km (0.097 R)
• M16: 14,494,837 km (0.115 R)
• M17: 16,920,866 km (0.068 R)
• M18: 21,931,945 km (0.118 R)
• M19: 27,759,231 km (0.033 R)
• M20: 36,366,494 km (0.066 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 11,126 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit