🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.4

Radius: 9.9

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.75 AU - 1.03 AU

Year: 542 Days

Day: 10.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,470,375 km

• M1: 124,615 km (0.083 R)
• M2: 799,301 km (0.069 R)
• M3: 1,260,063 km (0.07 R)
• M4: 2,089,134 km (0.106 R)
• M5: 2,472,404 km (0.106 R)
• M6: 3,267,367 km (0.08 R)
• M7: 3,821,029 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.2

Radius: 10.3

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.95 AU - 1.09 AU

Year: 665 Days

Day: 9.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,470,375 km

• M1: 128,355 km (0.046 R)
• M2: 456,274 km (0.106 R)
• M3: 948,899 km (0.103 R)
• M4: 1,307,186 km (0.111 R)
• M5: 1,876,406 km (0.059 R)
• M6: 2,261,770 km (0.099 R)
• M7: 2,744,074 km (0.095 R)
• M8: 3,437,609 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.5

Radius: 14

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.15 AU - 1.17 AU

Year: 807 Days

Day: 8.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,470,375 km

• M1: 174,431 km (0.119 R)
• M2: 659,727 km (0.056 R)
• M3: 1,197,381 km (0.109 R)
• M4: 1,771,239 km (0.059 R)
• M5: 2,211,206 km (0.097 R)
• M6: 3,586,310 km (0.113 R)
• M7: 4,058,740 km (0.109 R)
• M8: 5,326,582 km (0.119 R)
• M9: 5,771,635 km (0.076 R)
• M10: 6,737,439 km (0.11 R)
• M11: 7,461,942 km (0.077 R)
• M12: 8,286,675 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.2

Radius: 11.7

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.19 AU - 1.82 AU

Year: 1186 Days

Day: 14.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,470,375 km

• M1: 145,858 km (0.081 R)
• M2: 591,360 km (0.116 R)
• M3: 2,313,830 km (0.103 R)
• M4: 3,134,973 km (0.064 R)
• M5: 3,712,122 km (0.1 R)
• M6: 4,190,685 km (0.112 R)
• M7: 5,469,448 km (0.11 R)
• M8: 7,040,225 km (0.067 R)
• M9: 7,827,559 km (0.113 R)
• M10: 8,672,488 km (0.114 R)
• M11: 10,113,265 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.5

Radius: 12.9

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.31 AU - 6.65 AU

Year: 8283 Days

Day: 10 Hours

Environment

Temp: -213 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,470,375 km

• M1: 160,668 km (0.088 R)
• M2: 613,800 km (0.11 R)
• M3: 1,568,534 km (0.059 R)
• M4: 2,282,116 km (0.04 R)
• M5: 4,144,310 km (0.044 R)
• M6: 4,839,342 km (0.091 R)
• M7: 5,807,838 km (0.044 R)
• M8: 6,570,638 km (0.063 R)
• M9: 7,438,455 km (0.091 R)
• M10: 8,815,503 km (0.104 R)
• M11: 11,112,728 km (0.101 R)
• M12: 12,178,912 km (0.091 R)
• M13: 12,623,966 km (0.086 R)
• M14: 13,784,397 km (0.082 R)
• M15: 14,452,351 km (0.109 R)
• M16: 15,853,036 km (0.046 R)
• M17: 18,628,525 km (0.075 R)
• M18: 24,153,025 km (0.12 R)
• M19: 26,490,641 km (0.111 R)
• M20: 29,470,631 km (0.094 R)
• M21: 30,173,143 km (0.118 R)
• M22: 31,196,242 km (0.064 R)
• M23: 33,311,706 km (0.071 R)
• M24: 37,241,044 km (0.119 R)
• M25: 39,256,725 km (0.116 R)
• M26: 41,094,685 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.1

Radius: 7.4

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.87 AU - 9.97 AU

Year: 17201 Days

Day: 24.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,470,375 km

• M1: 124,316 km (0.037 R)
• M2: 854,802 km (0.085 R)
• M3: 1,919,490 km (0.103 R)
• M4: 2,409,723 km (0.098 R)
• M5: 3,203,938 km (0.04 R)
• M6: 6,292,535 km (0.11 R)
• M7: 6,593,676 km (0.071 R)
• M8: 7,152,573 km (0.109 R)
• M9: 7,592,242 km (0.116 R)
• M10: 9,146,414 km (0.104 R)
• M11: 9,620,639 km (0.111 R)
• M12: 10,524,659 km (0.117 R)
• M13: 13,138,732 km (0.061 R)
• M14: 17,562,042 km (0.055 R)
• M15: 19,678,104 km (0.058 R)
• M16: 21,130,250 km (0.107 R)
• M17: 22,496,827 km (0.097 R)
• M18: 26,427,960 km (0.103 R)
• M19: 28,192,916 km (0.062 R)
• M20: 29,381,471 km (0.081 R)
• M21: 30,507,793 km (0.116 R)
• M22: 31,662,689 km (0.047 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 11,676 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit