🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.7

Radius: 12.8

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.45 AU - 0.73 AU

Year: 313 Days

Day: 14.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,754,336 km

• M1: 159,172 km (0.108 R)
• M2: 624,422 km (0.064 R)
• M3: 1,096,552 km (0.046 R)
• M4: 1,596,658 km (0.08 R)
• M5: 2,003,265 km (0.112 R)
• M6: 2,588,043 km (0.093 R)
• M7: 3,528,565 km (0.111 R)
• M8: 4,028,521 km (0.081 R)
• M9: 4,867,466 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.5

Radius: 13.6

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.79 AU - 0.81 AU

Year: 494 Days

Day: 11.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,754,336 km

• M1: 169,195 km (0.035 R)
• M2: 597,494 km (0.043 R)
• M3: 1,207,105 km (0.098 R)
• M4: 1,768,845 km (0.112 R)
• M5: 2,196,246 km (0.037 R)
• M6: 2,704,131 km (0.058 R)
• M7: 3,290,555 km (0.107 R)
• M8: 4,365,266 km (0.062 R)
• M9: 5,032,323 km (0.089 R)
• M10: 5,749,046 km (0.045 R)
• M11: 6,419,394 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.2

Radius: 12.6

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.16 AU - 1.52 AU

Year: 1071 Days

Day: 12 Hours

Environment

Temp: -192 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,754,336 km

• M1: 156,629 km (0.097 R)
• M2: 620,233 km (0.037 R)
• M3: 1,119,890 km (0.108 R)
• M4: 1,673,103 km (0.097 R)
• M5: 2,306,201 km (0.101 R)
• M6: 2,911,025 km (0.104 R)
• M7: 3,649,739 km (0.054 R)
• M8: 4,321,134 km (0.027 R)
• M9: 5,054,463 km (0.09 R)
• M10: 5,932,154 km (0.105 R)
• M11: 6,430,016 km (0.099 R)
• M12: 7,734,808 km (0.061 R)
• M13: 8,250,771 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.1

Radius: 15

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.12 AU - 2.98 AU

Year: 2811 Days

Day: 10.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,754,336 km

• M1: 186,549 km (0.034 R)
• M2: 1,230,143 km (0.12 R)
• M3: 2,778,182 km (0.079 R)
• M4: 4,643,368 km (0.061 R)
• M5: 6,811,341 km (0.088 R)
• M6: 7,565,015 km (0.08 R)
• M7: 8,438,217 km (0.065 R)
• M8: 11,787,714 km (0.052 R)
• M9: 13,049,273 km (0.119 R)
• M10: 13,984,559 km (0.089 R)
• M11: 16,290,610 km (0.112 R)
• M12: 17,854,655 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.6

Radius: 14

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.11 AU - 3.93 AU

Year: 4559 Days

Day: 5.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,754,336 km

• M1: 174,431 km (0.042 R)
• M2: 692,937 km (0.045 R)
• M3: 1,146,518 km (0.095 R)
• M4: 1,874,461 km (0.108 R)
• M5: 2,534,038 km (0.118 R)
• M6: 3,295,192 km (0.1 R)
• M7: 4,848,617 km (0.105 R)
• M8: 5,462,566 km (0.068 R)
• M9: 6,000,670 km (0.076 R)
• M10: 6,819,419 km (0.106 R)
• M11: 8,454,224 km (0.101 R)
• M12: 9,380,834 km (0.111 R)
• M13: 10,632,968 km (0.085 R)
• M14: 11,436,308 km (0.083 R)
• M15: 12,279,592 km (0.098 R)
• M16: 12,737,660 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.7

Radius: 7.5

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.29 AU - 7.47 AU

Year: 11124 Days

Day: 19.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,754,336 km

• M1: 110,403 km (0.104 R)
• M2: 666,309 km (0.106 R)
• M3: 1,611,019 km (0.05 R)
• M4: 3,420,705 km (0.082 R)
• M5: 3,792,755 km (0.118 R)
• M6: 4,736,867 km (0.098 R)
• M7: 5,898,345 km (0.095 R)
• M8: 7,644,900 km (0.114 R)
• M9: 10,356,062 km (0.092 R)
• M10: 12,579,236 km (0.046 R)
• M11: 13,648,861 km (0.032 R)
• M12: 17,292,317 km (0.115 R)
• M13: 17,944,414 km (0.093 R)
• M14: 18,839,309 km (0.027 R)
• M15: 19,999,291 km (0.09 R)
• M16: 20,879,674 km (0.07 R)
• M17: 24,389,689 km (0.1 R)
• M18: 27,878,162 km (0.086 R)
• M19: 28,473,561 km (0.116 R)
• M20: 31,258,026 km (0.102 R)
• M21: 33,545,527 km (0.101 R)
• M22: 35,016,074 km (0.077 R)
• M23: 38,328,620 km (0.055 R)
• M24: 40,565,108 km (0.072 R)
• M25: 43,680,334 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.1

Radius: 3.4

Gravity: 15.67 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.68 AU - 7.52 AU

Year: 13059 Days

Day: 17.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,754,336 km

• M1: 42,336 km (0.089 R)
• M2: 252,820 km (0.113 R)
• M3: 1,856,958 km (0.102 R)
• M4: 3,902,709 km (0.117 R)
• M5: 6,698,993 km (0.107 R)
• M6: 8,665,457 km (0.064 R)
• M7: 10,031,584 km (0.087 R)
• M8: 10,596,915 km (0.073 R)
• M9: 10,887,284 km (0.107 R)
• M10: 17,598,394 km (0.12 R)
• M11: 18,909,470 km (0.074 R)
• M12: 20,284,125 km (0.064 R)
• M13: 31,817,373 km (0.053 R)
• M14: 32,726,180 km (0.046 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 11,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit