🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.41 AU - 0.61 AU

Year: 134 Days

Day: 37.7 Hours

Environment

Temp: 248 °C

Axial Tilt: 20.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 48,255,982 km

• M1: 32,912 km (0.106 R)
• M2: 95,144 km (0.07 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.46 AU - 0.68 AU

Year: 158 Days

Day: 26.2 Hours

Environment

Temp: 220 °C

Axial Tilt: 44 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.22 AU - 1.22 AU

Year: 495 Days

Day: 37.4 Hours

Environment

Temp: 6 °C

Axial Tilt: 22.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 48,255,982 km

• M1: 152,889 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.09 AU - 1.73 AU

Year: 615 Days

Day: 40.5 Hours

Environment

Temp: -29 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.93 AU - 4.27 AU

Year: 2507 Days

Day: 39.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,255,982 km

• M1: 2,587,445 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.7

Radius: 9

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.18 AU - 7.44 AU

Year: 6524 Days

Day: 14.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,255,982 km

• M1: 112,049 km (0.089 R)
• M2: 423,811 km (0.045 R)
• M3: 763,398 km (0.043 R)
• M4: 1,164,470 km (0.101 R)
• M5: 1,677,441 km (0.068 R)
• M6: 2,254,141 km (0.117 R)
• M7: 2,843,407 km (0.06 R)
• M8: 3,466,781 km (0.1 R)
• M9: 4,129,948 km (0.08 R)
• M10: 4,504,841 km (0.116 R)
• M11: 5,208,699 km (0.088 R)
• M12: 6,046,596 km (0.09 R)
• M13: 6,564,205 km (0.075 R)
• M14: 7,111,135 km (0.118 R)
• M15: 9,351,512 km (0.114 R)
• M16: 9,650,559 km (0.072 R)
• M17: 13,267,536 km (0.099 R)
• M18: 16,619,426 km (0.102 R)
• M19: 18,356,856 km (0.099 R)
• M20: 22,416,343 km (0.112 R)
• M21: 24,613,786 km (0.085 R)
• M22: 27,210,058 km (0.071 R)
• M23: 28,798,488 km (0.078 R)
• M24: 32,841,669 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179

Radius: 11.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.77 AU - 9.35 AU

Year: 9194 Days

Day: 5.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,255,982 km

• M1: 143,913 km (0.061 R)
• M2: 604,974 km (0.071 R)
• M3: 2,478,986 km (0.107 R)
• M4: 2,872,279 km (0.116 R)
• M5: 3,614,285 km (0.098 R)
• M6: 6,747,911 km (0.058 R)
• M7: 16,153,877 km (0.118 R)
• M8: 21,511,875 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.8

Radius: 9.6

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 9.02 AU - 12.5 AU

Year: 12957 Days

Day: 6.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,255,982 km

• M1: 132,693 km (0.106 R)
• M2: 440,416 km (0.076 R)
• M3: 1,615,507 km (0.038 R)
• M4: 3,388,691 km (0.077 R)
• M5: 5,084,832 km (0.097 R)
• M6: 6,425,977 km (0.092 R)
• M7: 9,482,261 km (0.107 R)
• M8: 11,968,727 km (0.079 R)
• M9: 12,948,892 km (0.088 R)
• M10: 21,184,554 km (0.067 R)
• M11: 22,252,534 km (0.094 R)
• M12: 22,799,613 km (0.092 R)
• M13: 23,920,999 km (0.117 R)
• M14: 28,454,712 km (0.119 R)
• M15: 35,595,317 km (0.03 R)
• M16: 35,968,265 km (0.085 R)
• M17: 51,201,517 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.7

Radius: 3.9

Gravity: 18.19 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 12.29 AU - 12.37 AU

Year: 15893 Days

Day: 16.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 60.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,255,982 km

• M1: 61,186 km (0.03 R)
• M2: 257,308 km (0.119 R)
• M3: 495,019 km (0.092 R)
• M4: 1,084,285 km (0.076 R)
• M5: 1,286,093 km (0.093 R)
• M6: 1,703,321 km (0.039 R)
• M7: 1,828,684 km (0.116 R)
• M8: 2,392,668 km (0.089 R)
• M9: 3,881,317 km (0.086 R)
• M10: 4,833,208 km (0.062 R)
• M11: 5,247,744 km (0.057 R)
• M12: 6,748,958 km (0.047 R)
• M13: 7,266,118 km (0.081 R)
• M14: 7,555,440 km (0.107 R)
• M15: 7,938,561 km (0.057 R)
• M16: 14,161,533 km (0.069 R)
• M17: 15,679,353 km (0.116 R)
• M18: 16,583,672 km (0.086 R)
• M19: 20,549,212 km (0.104 R)
• M20: 23,368,235 km (0.099 R)
• M21: 23,816,729 km (0.119 R)
• M22: 24,730,772 km (0.049 R)
• M23: 25,102,822 km (0.104 R)
• M24: 28,621,214 km (0.071 R)
• M25: 43,910,266 km (0.034 R)
• M26: 44,455,700 km (0.106 R)
• M27: 46,966,102 km (0.097 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 11,817 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit