🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.42 AU - 0.58 AU

Year: 128 Days

Day: 19.8 Hours

Environment

Temp: 236 °C

Axial Tilt: 2.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.23 AU - 1.65 AU

Year: 628 Days

Day: 17.7 Hours

Environment

Temp: -39 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.34 AU - 1.68 AU

Year: 674 Days

Day: 17.1 Hours

Environment

Temp: -43 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.78 AU - 2.12 AU

Year: 990 Days

Day: 41.2 Hours

Environment

Temp: -65 °C

Axial Tilt: 153.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 99,488,076 km

• M1: 51,162 km (0.096 R)
• M2: 751,879 km (0.083 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.21 AU - 3.51 AU

Year: 1758 Days

Day: 23.6 Hours

Environment

Temp: -93 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.64 AU - 3.94 AU

Year: 2682 Days

Day: 23.4 Hours

Environment

Temp: -111 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 99,488,076 km

• M1: 309,967 km (0.1 R)
• M2: 2,039,169 km (0.102 R)

Asteroid Belt

Center: 4.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.4

Radius: 11.5

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.98 AU - 5.78 AU

Year: 4535 Days

Day: 6.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 99,488,076 km

• M1: 215,720 km (0.079 R)
• M2: 587,471 km (0.109 R)
• M3: 1,086,679 km (0.111 R)
• M4: 1,548,039 km (0.051 R)
• M5: 3,349,796 km (0.053 R)
• M6: 4,669,548 km (0.114 R)
• M7: 5,675,743 km (0.108 R)
• M8: 6,130,072 km (0.079 R)
• M9: 7,285,117 km (0.082 R)
• M10: 8,663,961 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.6

Radius: 9.4

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.26 AU - 6.86 AU

Year: 4765 Days

Day: 11.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 99,488,076 km

• M1: 116,836 km (0.088 R)
• M2: 430,991 km (0.112 R)
• M3: 755,170 km (0.093 R)
• M4: 1,144,274 km (0.103 R)
• M5: 1,582,596 km (0.047 R)
• M6: 1,908,121 km (0.12 R)
• M7: 2,233,496 km (0.088 R)
• M8: 2,783,119 km (0.098 R)
• M9: 4,083,872 km (0.092 R)
• M10: 4,779,652 km (0.07 R)
• M11: 5,636,848 km (0.105 R)
• M12: 7,900,563 km (0.098 R)
• M13: 8,298,643 km (0.032 R)
• M14: 9,493,331 km (0.049 R)
• M15: 10,842,854 km (0.097 R)
• M16: 11,609,842 km (0.054 R)
• M17: 12,951,286 km (0.104 R)
• M18: 14,075,514 km (0.093 R)
• M19: 15,208,269 km (0.09 R)
• M20: 16,930,290 km (0.114 R)
• M21: 19,423,638 km (0.028 R)
• M22: 21,169,595 km (0.075 R)
• M23: 21,656,985 km (0.051 R)
• M24: 22,871,869 km (0.101 R)
• M25: 23,906,039 km (0.086 R)
• M26: 25,515,263 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823.6

Radius: 6.9

Gravity: 17.3 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 15.25 AU - 20.33 AU

Year: 27271 Days

Day: 18.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 99,488,076 km

• M1: 90,058 km (0.112 R)
• M2: 309,219 km (0.087 R)
• M3: 715,227 km (0.074 R)
• M4: 967,449 km (0.047 R)
• M5: 1,295,218 km (0.043 R)
• M6: 2,460,287 km (0.082 R)
• M7: 3,192,718 km (0.098 R)
• M8: 3,924,102 km (0.057 R)
• M9: 6,591,731 km (0.079 R)
• M10: 13,742,509 km (0.045 R)
• M11: 15,651,228 km (0.118 R)
• M12: 19,380,255 km (0.069 R)
• M13: 27,384,189 km (0.092 R)
• M14: 28,404,597 km (0.094 R)
• M15: 30,520,958 km (0.025 R)
• M16: 47,438,981 km (0.088 R)
• M17: 48,723,727 km (0.051 R)
• M18: 50,789,225 km (0.048 R)
• M19: 60,273,431 km (0.075 R)
• M20: 61,346,945 km (0.12 R)
• M21: 67,595,050 km (0.116 R)
• M22: 68,753,536 km (0.038 R)

Kuiper Belt

Range: 30.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 19,596 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit