🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.9

Radius: 14.4

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.56 AU - 0.76 AU

Year: 358 Days

Day: 9.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,520,220 km

• M1: 179,368 km (0.082 R)
• M2: 636,838 km (0.072 R)
• M3: 1,106,127 km (0.113 R)
• M4: 1,638,097 km (0.031 R)
• M5: 2,659,701 km (0.042 R)
• M6: 3,159,657 km (0.087 R)
• M7: 3,710,925 km (0.061 R)
• M8: 4,236,313 km (0.092 R)
• M9: 4,797,305 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.8

Radius: 10.1

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.58 AU - 0.9 AU

Year: 424 Days

Day: 7.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,520,220 km

• M1: 125,662 km (0.116 R)
• M2: 484,697 km (0.064 R)
• M3: 965,205 km (0.118 R)
• M4: 1,580,651 km (0.099 R)
• M5: 2,002,966 km (0.026 R)
• M6: 2,344,647 km (0.098 R)
• M7: 3,182,695 km (0.111 R)
• M8: 3,703,594 km (0.092 R)
• M9: 4,151,939 km (0.114 R)
• M10: 4,743,898 km (0.101 R)
• M11: 5,340,794 km (0.094 R)
• M12: 5,807,240 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.9

Radius: 14.5

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.15 AU - 1.53 AU

Year: 1034 Days

Day: 5.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,520,220 km

• M1: 180,415 km (0.079 R)
• M2: 722,857 km (0.025 R)
• M3: 1,354,459 km (0.11 R)
• M4: 2,257,282 km (0.087 R)
• M5: 3,399,612 km (0.118 R)
• M6: 4,992,530 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.5

Radius: 11.5

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.31 AU - 4.05 AU

Year: 4708 Days

Day: 5.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 28,520,220 km

• M1: 149,299 km (0.107 R)
• M2: 773,122 km (0.071 R)
• M3: 4,302,884 km (0.095 R)
• M4: 6,449,314 km (0.119 R)
• M5: 8,200,806 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.5

Radius: 11.1

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.3 AU - 5.48 AU

Year: 7211 Days

Day: 6.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,520,220 km

• M1: 138,079 km (0.105 R)
• M2: 1,313,619 km (0.082 R)
• M3: 1,658,891 km (0.09 R)
• M4: 2,137,454 km (0.097 R)
• M5: 2,605,546 km (0.066 R)
• M6: 3,538,887 km (0.056 R)
• M7: 3,992,318 km (0.105 R)
• M8: 4,834,405 km (0.102 R)
• M9: 5,339,148 km (0.083 R)
• M10: 8,522,441 km (0.074 R)
• M11: 9,914,898 km (0.073 R)
• M12: 12,401,514 km (0.033 R)
• M13: 13,503,452 km (0.065 R)
• M14: 13,867,573 km (0.079 R)
• M15: 14,291,533 km (0.087 R)
• M16: 14,888,728 km (0.087 R)
• M17: 17,323,284 km (0.093 R)
• M18: 18,253,783 km (0.098 R)
• M19: 22,893,860 km (0.052 R)
• M20: 24,014,049 km (0.048 R)
• M21: 25,722,606 km (0.12 R)
• M22: 26,851,172 km (0.092 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 13,266 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit