🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.52 AU - 0.8 AU

Year: 341 Days

Day: 39.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.3

Radius: 9.4

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.55 AU - 0.83 AU

Year: 364 Days

Day: 9.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,449,019 km

• M1: 118,033 km (0.1 R)
• M2: 423,811 km (0.045 R)
• M3: 1,130,511 km (0.116 R)
• M4: 1,638,097 km (0.097 R)
• M5: 2,450,413 km (0.114 R)
• M6: 2,743,625 km (0.086 R)
• M7: 3,191,970 km (0.103 R)
• M8: 3,543,226 km (0.092 R)
• M9: 3,932,030 km (0.107 R)
• M10: 4,260,996 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601

Radius: 10.4

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.83 AU - 0.83 AU

Year: 481 Days

Day: 6.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,449,019 km

• M1: 134,937 km (0.099 R)
• M2: 509,381 km (0.069 R)
• M3: 969,095 km (0.051 R)
• M4: 1,305,989 km (0.111 R)
• M5: 1,671,457 km (0.053 R)
• M6: 3,331,993 km (0.057 R)
• M7: 4,678,225 km (0.059 R)
• M8: 5,061,345 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.6

Radius: 12.2

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.83 AU - 1.13 AU

Year: 617 Days

Day: 14.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,449,019 km

• M1: 151,842 km (0.111 R)
• M2: 555,457 km (0.097 R)
• M3: 1,021,155 km (0.095 R)
• M4: 2,108,432 km (0.099 R)
• M5: 2,550,344 km (0.097 R)
• M6: 3,336,481 km (0.075 R)
• M7: 4,238,257 km (0.108 R)
• M8: 4,993,876 km (0.097 R)

Asteroid Belt

Center: 2.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.2

Radius: 14.7

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.18 AU - 3.66 AU

Year: 4021 Days

Day: 10.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,449,019 km

• M1: 182,809 km (0.09 R)
• M2: 716,125 km (0.114 R)
• M3: 1,913,058 km (0.096 R)
• M4: 2,552,738 km (0.108 R)
• M5: 3,484,733 km (0.104 R)
• M6: 4,094,793 km (0.117 R)
• M7: 8,320,634 km (0.102 R)
• M8: 9,228,094 km (0.05 R)
• M9: 11,500,336 km (0.047 R)
• M10: 12,213,021 km (0.091 R)
• M11: 13,049,871 km (0.109 R)
• M12: 14,124,283 km (0.074 R)
• M13: 16,560,783 km (0.084 R)
• M14: 20,017,242 km (0.101 R)
• M15: 22,253,132 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.4

Radius: 9

Gravity: 12.12 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.64 AU - 4.36 AU

Year: 4163 Days

Day: 14.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 39,449,019 km

• M1: 116,686 km (0.104 R)
• M2: 575,353 km (0.069 R)
• M3: 922,420 km (0.115 R)
• M4: 1,210,396 km (0.069 R)
• M5: 1,824,795 km (0.104 R)
• M6: 2,367,685 km (0.065 R)
• M7: 2,995,697 km (0.104 R)
• M8: 3,308,507 km (0.069 R)
• M9: 3,819,084 km (0.119 R)
• M10: 4,505,289 km (0.116 R)
• M11: 5,133,152 km (0.041 R)
• M12: 5,641,485 km (0.114 R)
• M13: 7,405,095 km (0.1 R)
• M14: 8,166,398 km (0.072 R)
• M15: 9,099,440 km (0.102 R)
• M16: 9,425,713 km (0.067 R)
• M17: 10,540,516 km (0.109 R)
• M18: 13,133,047 km (0.032 R)
• M19: 13,655,892 km (0.097 R)
• M20: 13,976,181 km (0.064 R)
• M21: 14,967,417 km (0.115 R)
• M22: 15,480,388 km (0.113 R)
• M23: 17,213,030 km (0.111 R)
• M24: 19,337,619 km (0.103 R)
• M25: 20,567,314 km (0.116 R)
• M26: 22,508,496 km (0.103 R)
• M27: 25,443,007 km (0.064 R)
• M28: 28,797,740 km (0.09 R)
• M29: 29,413,784 km (0.104 R)
• M30: 29,948,596 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.3

Radius: 14.6

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.91 AU - 4.95 AU

Year: 6960 Days

Day: 9.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,449,019 km

• M1: 181,612 km (0.078 R)
• M2: 678,277 km (0.08 R)
• M3: 1,241,812 km (0.11 R)
• M4: 1,793,978 km (0.108 R)
• M5: 2,422,438 km (0.04 R)
• M6: 3,217,252 km (0.045 R)
• M7: 4,389,950 km (0.092 R)
• M8: 4,944,210 km (0.092 R)
• M9: 6,194,549 km (0.103 R)
• M10: 7,339,421 km (0.079 R)
• M11: 12,913,737 km (0.106 R)
• M12: 13,941,026 km (0.102 R)
• M13: 17,283,341 km (0.06 R)
• M14: 21,282,691 km (0.079 R)
• M15: 21,753,326 km (0.06 R)
• M16: 22,634,158 km (0.112 R)
• M17: 23,622,252 km (0.052 R)
• M18: 24,552,900 km (0.084 R)
• M19: 27,584,950 km (0.113 R)
• M20: 28,238,842 km (0.101 R)
• M21: 29,772,370 km (0.106 R)
• M22: 32,278,733 km (0.066 R)
• M23: 34,490,387 km (0.044 R)
• M24: 36,465,079 km (0.07 R)
• M25: 39,448,959 km (0.119 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: 169 - 11,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit