🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.55 AU - 0.67 AU

Year: 168 Days

Day: 12.8 Hours

Environment

Temp: 197 °C

Axial Tilt: 88.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.7 AU - 0.98 AU

Year: 272 Days

Day: 32.2 Hours

Environment

Temp: 108 °C

Axial Tilt: 0.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.19 AU - 1.39 AU

Year: 517 Days

Day: 21.6 Hours

Environment

Temp: 14 °C

Axial Tilt: 31 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 72,065,872 km

• M1: 231,129 km (0.039 R)
• M2: 294,409 km (0.098 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.11 AU - 1.51 AU

Year: 529 Days

Day: 24.6 Hours

Environment

Temp: 5 °C

Axial Tilt: 31.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.1 AU - 1.83 AU

Year: 623 Days

Day: 43 Hours

Environment

Temp: -6 °C

Axial Tilt: 3.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.24 AU - 2.44 AU

Year: 1264 Days

Day: 43.1 Hours

Environment

Temp: -71 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.8

Radius: 8.8

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.56 AU - 7.94 AU

Year: 6192 Days

Day: 9.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,065,872 km

• M1: 118,781 km (0.103 R)
• M2: 398,678 km (0.103 R)
• M3: 807,230 km (0.109 R)
• M4: 1,279,810 km (0.035 R)
• M5: 1,678,488 km (0.059 R)
• M6: 2,084,796 km (0.1 R)
• M7: 2,589,689 km (0.119 R)
• M8: 3,821,178 km (0.034 R)
• M9: 4,380,525 km (0.117 R)
• M10: 5,433,095 km (0.115 R)
• M11: 5,868,425 km (0.025 R)
• M12: 8,634,041 km (0.081 R)
• M13: 8,947,299 km (0.09 R)
• M14: 10,233,691 km (0.064 R)
• M15: 11,877,323 km (0.091 R)
• M16: 13,015,464 km (0.047 R)
• M17: 14,773,089 km (0.118 R)
• M18: 15,392,574 km (0.11 R)
• M19: 16,383,959 km (0.088 R)
• M20: 17,604,079 km (0.076 R)
• M21: 20,777,798 km (0.106 R)
• M22: 23,622,401 km (0.119 R)
• M23: 25,818,049 km (0.115 R)
• M24: 27,467,216 km (0.116 R)
• M25: 28,317,680 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.6

Radius: 3.6

Gravity: 64.4 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 12.52 AU - 15.9 AU

Year: 18914 Days

Day: 22.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,065,872 km

• M1: 53,406 km (0.119 R)
• M2: 436,078 km (0.088 R)
• M3: 1,181,524 km (0.109 R)
• M4: 1,818,362 km (0.118 R)
• M5: 3,428,783 km (0.103 R)
• M6: 3,635,228 km (0.106 R)
• M7: 5,967,609 km (0.118 R)
• M8: 7,081,066 km (0.081 R)
• M9: 7,223,333 km (0.101 R)
• M10: 12,095,137 km (0.107 R)
• M11: 14,233,938 km (0.069 R)
• M12: 17,459,867 km (0.109 R)
• M13: 21,834,258 km (0.102 R)
• M14: 25,640,327 km (0.12 R)
• M15: 25,863,826 km (0.07 R)
• M16: 29,497,110 km (0.047 R)
• M17: 30,113,154 km (0.057 R)
• M18: 39,216,184 km (0.053 R)
• M19: 42,096,093 km (0.086 R)
• M20: 47,933,103 km (0.093 R)
• M21: 50,867,914 km (0.118 R)
• M22: 67,350,009 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.2

Radius: 4.2

Gravity: 17.07 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 15.98 AU - 20.76 AU

Year: 27801 Days

Day: 24.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,065,872 km

• M1: 54,005 km (0.092 R)
• M2: 189,541 km (0.092 R)
• M3: 347,217 km (0.108 R)
• M4: 628,311 km (0.104 R)
• M5: 1,010,833 km (0.12 R)
• M6: 1,150,707 km (0.064 R)
• M7: 2,156,304 km (0.03 R)
• M8: 2,346,293 km (0.044 R)
• M9: 4,226,140 km (0.116 R)
• M10: 4,871,655 km (0.103 R)
• M11: 5,311,772 km (0.092 R)
• M12: 5,502,658 km (0.11 R)
• M13: 5,737,976 km (0.088 R)
• M14: 6,355,516 km (0.093 R)
• M15: 7,016,140 km (0.102 R)
• M16: 8,016,351 km (0.095 R)
• M17: 8,421,313 km (0.081 R)
• M18: 10,354,117 km (0.048 R)
• M19: 11,968,278 km (0.107 R)
• M20: 12,496,808 km (0.117 R)
• M21: 22,003,453 km (0.094 R)
• M22: 24,858,977 km (0.074 R)
• M23: 29,590,309 km (0.119 R)
• M24: 33,703,353 km (0.11 R)
• M25: 34,622,333 km (0.112 R)
• M26: 35,828,092 km (0.117 R)
• M27: 37,618,928 km (0.105 R)
• M28: 40,195,601 km (0.084 R)
• M29: 50,478,062 km (0.09 R)
• M30: 51,680,080 km (0.056 R)
• M31: 52,200,980 km (0.103 R)
• M32: 53,253,252 km (0.099 R)
• M33: 54,140,965 km (0.064 R)
• M34: 61,211,858 km (0.086 R)
• M35: 65,574,132 km (0.082 R)

Kuiper Belt

Range: 31.1 - 53.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 15,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit