🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.4

Radius: 9.3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.43 AU - 0.59 AU

Year: 243 Days

Day: 10.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,407,705 km

• M1: 115,639 km (0.101 R)
• M2: 420,071 km (0.087 R)
• M3: 893,997 km (0.027 R)
• M4: 1,256,173 km (0.112 R)
• M5: 1,584,840 km (0.071 R)
• M6: 2,144,037 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.8

Radius: 9.9

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.49 AU - 0.67 AU

Year: 295 Days

Day: 5.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,407,705 km

• M1: 123,119 km (0.077 R)
• M2: 530,324 km (0.072 R)
• M3: 880,982 km (0.101 R)
• M4: 1,215,782 km (0.113 R)
• M5: 1,593,816 km (0.11 R)
• M6: 2,031,389 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.3

Radius: 10.9

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.54 AU - 2.52 AU

Year: 1929 Days

Day: 7.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,407,705 km

• M1: 135,536 km (0.118 R)
• M2: 505,192 km (0.056 R)
• M3: 884,572 km (0.066 R)
• M4: 1,787,695 km (0.052 R)
• M5: 2,397,306 km (0.079 R)
• M6: 2,766,513 km (0.1 R)
• M7: 3,206,780 km (0.084 R)
• M8: 3,603,214 km (0.083 R)
• M9: 4,012,963 km (0.099 R)
• M10: 4,391,894 km (0.12 R)
• M11: 4,949,146 km (0.113 R)
• M12: 6,964,529 km (0.027 R)
• M13: 7,484,531 km (0.041 R)
• M14: 8,408,448 km (0.114 R)
• M15: 9,615,702 km (0.033 R)
• M16: 10,519,722 km (0.059 R)
• M17: 12,330,006 km (0.094 R)
• M18: 13,048,824 km (0.049 R)
• M19: 14,477,334 km (0.108 R)
• M20: 16,709,933 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.5

Radius: 13.7

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.75 AU - 2.99 AU

Year: 3242 Days

Day: 6.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,407,705 km

• M1: 170,392 km (0.052 R)
• M2: 1,456,036 km (0.088 R)
• M3: 2,207,167 km (0.089 R)
• M4: 2,820,817 km (0.12 R)
• M5: 3,391,982 km (0.081 R)
• M6: 3,997,106 km (0.084 R)
• M7: 5,399,286 km (0.082 R)
• M8: 6,198,887 km (0.052 R)
• M9: 7,364,703 km (0.088 R)
• M10: 8,455,870 km (0.113 R)
• M11: 12,705,497 km (0.085 R)
• M12: 14,787,899 km (0.099 R)
• M13: 15,910,482 km (0.054 R)
• M14: 17,670,500 km (0.081 R)
• M15: 19,683,190 km (0.089 R)
• M16: 20,581,675 km (0.08 R)
• M17: 21,574,556 km (0.103 R)
• M18: 24,305,316 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.8

Radius: 11.9

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.24 AU - 3.54 AU

Year: 4162 Days

Day: 13.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,407,705 km

• M1: 148,551 km (0.095 R)
• M2: 650,452 km (0.064 R)
• M3: 1,441,824 km (0.092 R)
• M4: 2,679,298 km (0.057 R)
• M5: 3,386,447 km (0.11 R)
• M6: 6,332,478 km (0.066 R)
• M7: 7,174,714 km (0.026 R)
• M8: 9,566,036 km (0.053 R)
• M9: 11,214,305 km (0.084 R)
• M10: 12,202,698 km (0.055 R)
• M11: 16,624,213 km (0.074 R)
• M12: 19,588,495 km (0.098 R)
• M13: 20,193,917 km (0.081 R)
• M14: 20,950,733 km (0.081 R)
• M15: 22,962,525 km (0.077 R)
• M16: 23,334,874 km (0.12 R)
• M17: 24,015,395 km (0.079 R)
• M18: 26,952,600 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.6

Radius: 11.6

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.83 AU - 4.21 AU

Year: 4404 Days

Day: 14.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,407,705 km

• M1: 144,362 km (0.108 R)
• M2: 687,402 km (0.066 R)
• M3: 1,330,224 km (0.099 R)
• M4: 2,411,218 km (0.099 R)
• M5: 3,147,838 km (0.072 R)
• M6: 4,052,158 km (0.109 R)
• M7: 4,746,142 km (0.1 R)
• M8: 5,261,058 km (0.064 R)
• M9: 5,634,604 km (0.075 R)
• M10: 6,307,495 km (0.106 R)
• M11: 6,897,210 km (0.099 R)
• M12: 9,010,429 km (0.093 R)
• M13: 9,421,375 km (0.064 R)
• M14: 11,286,561 km (0.097 R)
• M15: 12,356,335 km (0.079 R)
• M16: 14,306,194 km (0.103 R)
• M17: 18,806,846 km (0.05 R)
• M18: 20,029,509 km (0.036 R)
• M19: 21,741,208 km (0.117 R)
• M20: 24,727,630 km (0.052 R)
• M21: 26,948,710 km (0.085 R)
• M22: 29,389,399 km (0.061 R)
• M23: 30,479,220 km (0.104 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 11,887 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit