🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.52 AU - 0.56 AU

Year: 139 Days

Day: 40.8 Hours

Environment

Temp: 197 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.08 AU - 1.64 AU

Year: 555 Days

Day: 20.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 16.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.57 AU - 2.05 AU

Year: 852 Days

Day: 19.1 Hours

Environment

Temp: -44 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,311,246 km

• M1: 40,990 km (0.091 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.22 AU - 2.34 AU

Year: 1204 Days

Day: 31.5 Hours

Environment

Temp: -75 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.03 AU - 4.29 AU

Year: 2450 Days

Day: 39.3 Hours

Environment

Temp: -113 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.24 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.3

Radius: 11.2

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.91 AU - 7.73 AU

Year: 6231 Days

Day: 8.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,311,246 km

• M1: 159,621 km (0.089 R)
• M2: 591,510 km (0.064 R)
• M3: 1,092,962 km (0.027 R)
• M4: 1,852,321 km (0.078 R)
• M5: 2,281,368 km (0.094 R)
• M6: 3,553,548 km (0.059 R)
• M7: 3,985,138 km (0.114 R)
• M8: 5,986,159 km (0.09 R)
• M9: 7,130,732 km (0.052 R)
• M10: 8,196,019 km (0.063 R)
• M11: 11,101,658 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.8

Radius: 13.2

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.35 AU - 10.25 AU

Year: 10733 Days

Day: 10.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,311,246 km

• M1: 164,408 km (0.088 R)
• M2: 675,285 km (0.109 R)
• M3: 1,938,639 km (0.093 R)
• M4: 2,768,009 km (0.105 R)
• M5: 5,475,731 km (0.107 R)
• M6: 7,939,309 km (0.118 R)
• M7: 8,849,312 km (0.075 R)
• M8: 13,143,819 km (0.045 R)
• M9: 21,290,619 km (0.042 R)
• M10: 31,121,892 km (0.069 R)
• M11: 32,976,906 km (0.056 R)

Asteroid Belt

Center: 12.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 15.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.4

Radius: 4

Gravity: 14.46 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 15 AU - 15.1 AU

Year: 20426 Days

Day: 23.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,311,246 km

• M1: 49,816 km (0.087 R)
• M2: 661,372 km (0.106 R)
• M3: 940,073 km (0.064 R)
• M4: 1,573,171 km (0.073 R)
• M5: 2,141,494 km (0.109 R)
• M6: 3,137,666 km (0.115 R)
• M7: 3,590,199 km (0.117 R)
• M8: 4,084,770 km (0.047 R)
• M9: 4,592,355 km (0.079 R)
• M10: 6,561,961 km (0.069 R)
• M11: 9,179,026 km (0.034 R)
• M12: 9,940,928 km (0.114 R)
• M13: 10,743,969 km (0.095 R)
• M14: 28,795,795 km (0.106 R)
• M15: 37,773,462 km (0.098 R)
• M16: 40,644,096 km (0.112 R)
• M17: 41,587,011 km (0.116 R)
• M18: 44,361,453 km (0.048 R)
• M19: 47,552,974 km (0.095 R)
• M20: 52,463,524 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380

Radius: 4

Gravity: 23.75 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 13.71 AU - 17.77 AU

Year: 21847 Days

Day: 18.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 143.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,311,246 km

• M1: 49,966 km (0.072 R)
• M2: 392,844 km (0.101 R)
• M3: 717,471 km (0.083 R)
• M4: 920,775 km (0.086 R)
• M5: 1,200,972 km (0.05 R)
• M6: 2,120,849 km (0.1 R)
• M7: 2,474,498 km (0.053 R)
• M8: 3,167,137 km (0.044 R)
• M9: 15,238,338 km (0.113 R)
• M10: 15,841,667 km (0.082 R)
• M11: 20,884,461 km (0.092 R)
• M12: 22,875,010 km (0.083 R)
• M13: 25,092,200 km (0.102 R)
• M14: 38,211,784 km (0.102 R)
• M15: 45,051,399 km (0.091 R)
• M16: 48,193,552 km (0.106 R)
• M17: 51,311,022 km (0.093 R)
• M18: 52,492,546 km (0.109 R)
• M19: 53,519,835 km (0.096 R)
• M20: 54,560,288 km (0.105 R)
• M21: 56,860,655 km (0.104 R)
• M22: 63,760,557 km (0.117 R)

Kuiper Belt

Range: 31.4 - 56.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 15,890 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit