🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.9

Radius: 10.2

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.63 AU - 1.03 AU

Year: 504 Days

Day: 9.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,028,133 km

• M1: 126,859 km (0.112 R)
• M2: 487,091 km (0.085 R)
• M3: 845,078 km (0.039 R)
• M4: 1,174,942 km (0.105 R)
• M5: 1,581,997 km (0.067 R)
• M6: 2,330,286 km (0.073 R)
• M7: 2,727,468 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463

Radius: 12.4

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.25 AU - 1.65 AU

Year: 1164 Days

Day: 6.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,028,133 km

• M1: 154,235 km (0.085 R)
• M2: 634,445 km (0.057 R)
• M3: 1,316,162 km (0.103 R)
• M4: 1,824,346 km (0.118 R)
• M5: 2,496,639 km (0.069 R)
• M6: 3,483,985 km (0.118 R)
• M7: 4,541,193 km (0.083 R)
• M8: 5,154,095 km (0.052 R)
• M9: 5,579,701 km (0.115 R)
• M10: 5,987,056 km (0.05 R)
• M11: 6,612,974 km (0.025 R)
• M12: 7,023,171 km (0.064 R)
• M13: 7,869,746 km (0.09 R)
• M14: 9,392,802 km (0.065 R)
• M15: 9,912,355 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.1

Radius: 14.2

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.24 AU - 1.98 AU

Year: 1362 Days

Day: 6.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,028,133 km

• M1: 176,525 km (0.116 R)
• M2: 847,322 km (0.085 R)
• M3: 1,358,349 km (0.105 R)
• M4: 1,935,348 km (0.069 R)
• M5: 2,558,423 km (0.116 R)
• M6: 3,072,441 km (0.092 R)
• M7: 4,165,104 km (0.082 R)
• M8: 5,842,694 km (0.106 R)
• M9: 6,433,606 km (0.103 R)
• M10: 6,925,484 km (0.07 R)
• M11: 7,960,252 km (0.058 R)
• M12: 8,554,754 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.9

Radius: 13.1

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.73 AU - 5.09 AU

Year: 7255 Days

Day: 8.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,028,133 km

• M1: 170,841 km (0.06 R)
• M2: 767,138 km (0.065 R)
• M3: 1,404,874 km (0.069 R)
• M4: 2,102,149 km (0.108 R)
• M5: 2,556,179 km (0.107 R)
• M6: 3,835,989 km (0.048 R)
• M7: 5,589,724 km (0.104 R)
• M8: 6,948,372 km (0.104 R)
• M9: 7,515,348 km (0.08 R)
• M10: 8,005,431 km (0.055 R)
• M11: 9,166,909 km (0.089 R)
• M12: 12,342,722 km (0.108 R)
• M13: 15,508,213 km (0.105 R)
• M14: 16,949,588 km (0.066 R)
• M15: 18,541,459 km (0.106 R)
• M16: 19,569,346 km (0.074 R)
• M17: 20,163,998 km (0.12 R)
• M18: 20,907,200 km (0.07 R)
• M19: 22,954,447 km (0.086 R)
• M20: 27,443,879 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.4

Radius: 4

Gravity: 30.71 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.07 AU - 7.11 AU

Year: 12589 Days

Day: 17.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,028,133 km

• M1: 50,265 km (0.089 R)
• M2: 403,465 km (0.105 R)
• M3: 979,866 km (0.101 R)
• M4: 1,158,636 km (0.116 R)
• M5: 3,037,286 km (0.118 R)
• M6: 3,224,433 km (0.062 R)
• M7: 4,079,085 km (0.09 R)
• M8: 4,757,511 km (0.118 R)
• M9: 5,205,557 km (0.066 R)
• M10: 5,751,440 km (0.112 R)
• M11: 7,240,537 km (0.058 R)
• M12: 8,007,376 km (0.085 R)
• M13: 12,018,693 km (0.088 R)
• M14: 14,880,351 km (0.088 R)
• M15: 15,148,729 km (0.107 R)
• M16: 19,732,857 km (0.092 R)
• M17: 21,473,578 km (0.115 R)
• M18: 29,041,883 km (0.11 R)
• M19: 32,396,466 km (0.05 R)
• M20: 33,074,294 km (0.088 R)
• M21: 39,094,412 km (0.095 R)
• M22: 44,405,734 km (0.093 R)
• M23: 48,543,761 km (0.112 R)
• M24: 48,985,972 km (0.071 R)
• M25: 49,133,925 km (0.091 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 13,420 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit