🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.8

Radius: 12.7

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.61 AU - 0.63 AU

Year: 343 Days

Day: 9.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 28,652,620 km

• M1: 157,975 km (0.061 R)
• M2: 698,323 km (0.079 R)
• M3: 1,216,679 km (0.119 R)
• M4: 2,604,649 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.3

Radius: 9.1

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.86 AU - 1.16 AU

Year: 713 Days

Day: 6.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,652,620 km

• M1: 113,246 km (0.064 R)
• M2: 561,291 km (0.114 R)
• M3: 926,310 km (0.081 R)
• M4: 1,237,324 km (0.097 R)
• M5: 1,853,218 km (0.096 R)
• M6: 2,244,118 km (0.079 R)
• M7: 2,757,986 km (0.075 R)
• M8: 3,226,228 km (0.08 R)
• M9: 4,999,561 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.1

Radius: 10.3

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.44 AU - 1.76 AU

Year: 1423 Days

Day: 11.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,652,620 km

• M1: 128,505 km (0.1 R)
• M2: 717,771 km (0.115 R)
• M3: 1,226,852 km (0.089 R)
• M4: 1,728,603 km (0.08 R)
• M5: 2,191,609 km (0.093 R)
• M6: 3,381,660 km (0.112 R)
• M7: 4,011,168 km (0.116 R)
• M8: 4,748,685 km (0.102 R)
• M9: 6,998,637 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.8

Radius: 14.9

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.59 AU - 1.79 AU

Year: 1544 Days

Day: 14.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,652,620 km

• M1: 187,446 km (0.092 R)
• M2: 695,481 km (0.091 R)
• M3: 1,723,667 km (0.08 R)
• M4: 3,149,933 km (0.052 R)
• M5: 4,640,526 km (0.057 R)
• M6: 5,573,717 km (0.095 R)
• M7: 7,275,842 km (0.03 R)
• M8: 9,473,584 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.3

Radius: 8.1

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.38 AU - 4.74 AU

Year: 6845 Days

Day: 13.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,652,620 km

• M1: 100,829 km (0.111 R)
• M2: 669,002 km (0.117 R)
• M3: 976,276 km (0.064 R)
• M4: 1,594,414 km (0.036 R)
• M5: 1,928,017 km (0.101 R)
• M6: 2,216,143 km (0.118 R)
• M7: 2,633,820 km (0.102 R)
• M8: 3,563,720 km (0.118 R)
• M9: 4,646,809 km (0.114 R)
• M10: 6,392,167 km (0.064 R)
• M11: 7,342,563 km (0.112 R)
• M12: 8,920,820 km (0.112 R)
• M13: 11,484,030 km (0.062 R)
• M14: 12,049,959 km (0.104 R)
• M15: 12,339,880 km (0.059 R)
• M16: 13,859,644 km (0.045 R)
• M17: 16,133,083 km (0.111 R)
• M18: 18,071,872 km (0.076 R)
• M19: 19,958,750 km (0.112 R)
• M20: 20,845,715 km (0.104 R)
• M21: 22,845,091 km (0.079 R)
• M22: 26,239,915 km (0.112 R)
• M23: 26,645,774 km (0.086 R)
• M24: 27,637,010 km (0.099 R)
• M25: 28,226,425 km (0.107 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 10,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit