🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.9

Radius: 14.5

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.71 AU - 0.77 AU

Year: 424 Days

Day: 12.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 146.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,997,064 km

• M1: 180,265 km (0.11 R)
• M2: 686,056 km (0.101 R)
• M3: 1,177,485 km (0.072 R)
• M4: 1,793,080 km (0.106 R)
• M5: 2,358,261 km (0.066 R)
• M6: 3,140,807 km (0.072 R)
• M7: 3,729,774 km (0.101 R)
• M8: 4,392,044 km (0.11 R)
• M9: 5,401,979 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.1

Radius: 10.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.3 AU - 2.1 AU

Year: 1478 Days

Day: 7.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,997,064 km

• M1: 133,142 km (0.052 R)
• M2: 564,582 km (0.104 R)
• M3: 1,118,094 km (0.118 R)
• M4: 1,703,920 km (0.097 R)
• M5: 2,250,401 km (0.077 R)
• M6: 2,681,093 km (0.088 R)
• M7: 3,141,555 km (0.061 R)
• M8: 4,950,194 km (0.094 R)
• M9: 6,865,645 km (0.104 R)
• M10: 7,413,173 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.3

Radius: 8.5

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.7 AU - 2.06 AU

Year: 1719 Days

Day: 14.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 144.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,997,064 km

• M1: 105,915 km (0.088 R)
• M2: 501,302 km (0.12 R)
• M3: 841,937 km (0.082 R)
• M4: 1,131,558 km (0.086 R)
• M5: 1,479,673 km (0.112 R)
• M6: 1,983,369 km (0.106 R)
• M7: 2,420,344 km (0.081 R)
• M8: 2,934,512 km (0.114 R)
• M9: 3,567,760 km (0.095 R)
• M10: 3,865,759 km (0.092 R)
• M11: 4,289,121 km (0.111 R)
• M12: 5,124,774 km (0.116 R)
• M13: 5,527,043 km (0.084 R)
• M14: 5,927,367 km (0.084 R)
• M15: 6,539,671 km (0.075 R)
• M16: 7,167,533 km (0.119 R)
• M17: 7,945,592 km (0.029 R)
• M18: 8,778,702 km (0.088 R)
• M19: 9,231,984 km (0.091 R)
• M20: 11,028,505 km (0.074 R)
• M21: 11,556,286 km (0.1 R)
• M22: 12,100,972 km (0.073 R)
• M23: 12,511,020 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.7

Radius: 14.3

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.11 AU - 2.35 AU

Year: 2221 Days

Day: 5.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,997,064 km

• M1: 177,872 km (0.118 R)
• M2: 676,781 km (0.052 R)
• M3: 1,368,671 km (0.103 R)
• M4: 2,538,377 km (0.096 R)
• M5: 3,429,681 km (0.109 R)
• M6: 4,994,026 km (0.052 R)
• M7: 5,609,471 km (0.09 R)
• M8: 6,251,545 km (0.078 R)
• M9: 7,574,290 km (0.089 R)
• M10: 10,160,987 km (0.035 R)
• M11: 11,294,789 km (0.105 R)
• M12: 13,131,551 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.8

Radius: 12

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.57 AU - 2.85 AU

Year: 2975 Days

Day: 6.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,997,064 km

• M1: 149,299 km (0.084 R)
• M2: 731,833 km (0.097 R)
• M3: 1,308,533 km (0.04 R)
• M4: 1,731,595 km (0.1 R)
• M5: 2,122,495 km (0.091 R)
• M6: 2,557,525 km (0.109 R)
• M7: 2,982,533 km (0.116 R)
• M8: 3,689,383 km (0.082 R)
• M9: 4,147,900 km (0.027 R)
• M10: 4,883,024 km (0.048 R)
• M11: 6,203,525 km (0.071 R)
• M12: 7,389,088 km (0.094 R)
• M13: 8,224,891 km (0.09 R)
• M14: 9,423,469 km (0.098 R)
• M15: 10,944,131 km (0.084 R)
• M16: 11,675,067 km (0.077 R)
• M17: 13,669,356 km (0.099 R)
• M18: 16,317,837 km (0.117 R)
• M19: 16,706,342 km (0.074 R)
• M20: 19,601,211 km (0.069 R)
• M21: 21,265,936 km (0.107 R)
• M22: 22,404,076 km (0.077 R)
• M23: 23,511,998 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.8

Radius: 6.3

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.37 AU - 8.69 AU

Year: 15174 Days

Day: 18 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,997,064 km

• M1: 78,539 km (0.105 R)
• M2: 323,730 km (0.106 R)
• M3: 557,402 km (0.092 R)
• M4: 1,299,407 km (0.12 R)
• M5: 2,549,148 km (0.045 R)
• M6: 2,892,475 km (0.036 R)
• M7: 3,309,853 km (0.104 R)
• M8: 4,060,086 km (0.119 R)
• M9: 4,583,380 km (0.063 R)
• M10: 5,062,542 km (0.077 R)
• M11: 5,605,881 km (0.108 R)
• M12: 7,583,864 km (0.059 R)
• M13: 8,172,980 km (0.096 R)
• M14: 9,442,318 km (0.116 R)
• M15: 10,548,295 km (0.118 R)
• M16: 12,741,400 km (0.117 R)
• M17: 15,221,434 km (0.053 R)
• M18: 19,990,614 km (0.065 R)
• M19: 24,473,314 km (0.049 R)
• M20: 25,323,329 km (0.107 R)
• M21: 33,877,335 km (0.095 R)
• M22: 34,086,623 km (0.081 R)
• M23: 36,227,219 km (0.053 R)
• M24: 36,665,840 km (0.112 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 15,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit