🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.3

Radius: 14.3

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.45 AU - 0.63 AU

Year: 274 Days

Day: 11.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,763,829 km

• M1: 177,872 km (0.07 R)
• M2: 677,379 km (0.109 R)
• M3: 1,132,905 km (0.104 R)
• M4: 1,824,196 km (0.065 R)
• M5: 2,385,787 km (0.045 R)
• M6: 3,062,268 km (0.077 R)
• M7: 3,593,191 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.7

Radius: 9.6

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.41 AU - 0.69 AU

Year: 282 Days

Day: 12.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,763,829 km

• M1: 119,379 km (0.049 R)
• M2: 420,370 km (0.07 R)
• M3: 840,142 km (0.111 R)
• M4: 1,153,549 km (0.086 R)
• M5: 1,633,459 km (0.114 R)
• M6: 1,947,615 km (0.1 R)
• M7: 2,708,619 km (0.104 R)
• M8: 3,209,772 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.8

Radius: 10.9

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.56 AU - 0.78 AU

Year: 379 Days

Day: 10.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,763,829 km

• M1: 135,536 km (0.044 R)
• M2: 579,542 km (0.061 R)
• M3: 1,094,308 km (0.098 R)
• M4: 1,792,182 km (0.113 R)
• M5: 2,876,617 km (0.119 R)
• M6: 3,259,139 km (0.058 R)
• M7: 4,075,495 km (0.111 R)
• M8: 4,919,077 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112

Radius: 11.7

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.02 AU - 1.06 AU

Year: 732 Days

Day: 11.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,763,829 km

• M1: 145,559 km (0.063 R)
• M2: 513,569 km (0.12 R)
• M3: 1,076,357 km (0.083 R)
• M4: 1,523,654 km (0.101 R)
• M5: 2,261,321 km (0.09 R)
• M6: 2,882,751 km (0.076 R)
• M7: 3,459,451 km (0.104 R)
• M8: 3,977,508 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.3

Radius: 8.9

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.74 AU - 1.82 AU

Year: 1639 Days

Day: 5.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,763,829 km

• M1: 115,938 km (0.094 R)
• M2: 534,364 km (0.057 R)
• M3: 1,021,454 km (0.071 R)
• M4: 1,549,535 km (0.1 R)
• M5: 1,887,028 km (0.092 R)
• M6: 2,345,096 km (0.116 R)
• M7: 4,176,174 km (0.101 R)
• M8: 4,545,531 km (0.102 R)
• M9: 4,976,972 km (0.072 R)
• M10: 6,246,459 km (0.069 R)
• M11: 7,084,357 km (0.09 R)
• M12: 9,164,366 km (0.1 R)
• M13: 10,611,725 km (0.093 R)
• M14: 12,847,316 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.9

Radius: 10.9

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.83 AU - 2.05 AU

Year: 1865 Days

Day: 6 Hours

Environment

Temp: -191 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,763,829 km

• M1: 135,536 km (0.092 R)
• M2: 495,019 km (0.072 R)
• M3: 857,196 km (0.043 R)
• M4: 1,277,416 km (0.066 R)
• M5: 1,669,363 km (0.1 R)
• M6: 2,166,177 km (0.116 R)
• M7: 2,510,252 km (0.086 R)
• M8: 4,045,126 km (0.06 R)
• M9: 5,575,961 km (0.096 R)
• M10: 7,236,498 km (0.062 R)
• M11: 7,691,425 km (0.078 R)
• M12: 8,045,074 km (0.07 R)
• M13: 8,596,043 km (0.088 R)
• M14: 9,841,894 km (0.069 R)
• M15: 10,330,032 km (0.101 R)
• M16: 10,870,978 km (0.071 R)
• M17: 11,544,767 km (0.09 R)
• M18: 12,127,451 km (0.054 R)
• M19: 13,100,435 km (0.062 R)
• M20: 13,777,515 km (0.12 R)
• M21: 15,018,280 km (0.112 R)
• M22: 15,525,566 km (0.104 R)

Asteroid Belt

Center: 3.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.7

Radius: 12.8

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.07 AU - 5.85 AU

Year: 8806 Days

Day: 11.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,763,829 km

• M1: 160,369 km (0.051 R)
• M2: 721,361 km (0.05 R)
• M3: 1,783,207 km (0.101 R)
• M4: 2,622,301 km (0.078 R)
• M5: 3,395,124 km (0.056 R)
• M6: 4,205,047 km (0.073 R)
• M7: 6,461,282 km (0.055 R)
• M8: 9,765,599 km (0.09 R)
• M9: 12,625,611 km (0.026 R)
• M10: 22,219,772 km (0.105 R)
• M11: 22,644,031 km (0.099 R)
• M12: 23,772,448 km (0.109 R)
• M13: 35,555,375 km (0.096 R)
• M14: 36,487,818 km (0.094 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 11,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit