🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.58 AU - 0.64 AU

Year: 169 Days

Day: 12.2 Hours

Environment

Temp: 226 °C

Axial Tilt: 9.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.65 AU - 0.85 AU

Year: 230 Days

Day: 16.7 Hours

Environment

Temp: 131 °C

Axial Tilt: 12.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.07 AU - 1.35 AU

Year: 472 Days

Day: 27.7 Hours

Environment

Temp: 15 °C

Axial Tilt: 164 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 47,731,677 km

• M1: 303,085 km (0.044 R)
• M2: 344,973 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.03 AU - 1.45 AU

Year: 490 Days

Day: 19.4 Hours

Environment

Temp: 2 °C

Axial Tilt: 44.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.19 AU - 3.37 AU

Year: 1644 Days

Day: 31.5 Hours

Environment

Temp: -90 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 47,731,677 km

• M1: 413,339 km (0.065 R)
• M2: 556,803 km (0.048 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.64 AU - 3.52 AU

Year: 1918 Days

Day: 16.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.77 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Terrestrial

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.34 AU - 5.56 AU

Year: 3330 Days

Day: 35 Hours

Environment

Temp: -130 °C

Axial Tilt: 156.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,731,677 km

• M1: 30,069 km (0.109 R)

Planet 8 - Terrestrial

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.13 AU - 5.93 AU

Year: 4002 Days

Day: 24.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 134.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.6

Radius: 15

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.99 AU - 10.93 AU

Year: 9515 Days

Day: 7.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,731,677 km

• M1: 186,549 km (0.1 R)
• M2: 658,380 km (0.1 R)
• M3: 1,316,611 km (0.078 R)
• M4: 2,334,026 km (0.108 R)
• M5: 3,149,783 km (0.084 R)
• M6: 5,158,733 km (0.12 R)
• M7: 5,790,634 km (0.11 R)
• M8: 6,288,945 km (0.117 R)
• M9: 6,854,874 km (0.117 R)
• M10: 9,323,089 km (0.102 R)
• M11: 11,322,165 km (0.052 R)
• M12: 12,277,796 km (0.096 R)
• M13: 12,805,129 km (0.036 R)
• M14: 18,031,181 km (0.088 R)
• M15: 21,280,447 km (0.07 R)
• M16: 21,871,807 km (0.097 R)
• M17: 24,901,912 km (0.08 R)
• M18: 27,799,174 km (0.075 R)
• M19: 31,130,120 km (0.087 R)
• M20: 32,891,635 km (0.052 R)
• M21: 33,569,014 km (0.12 R)
• M22: 34,140,628 km (0.102 R)
• M23: 40,605,799 km (0.04 R)
• M24: 43,109,319 km (0.104 R)
• M25: 44,330,487 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.8

Radius: 4.3

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 16.16 AU - 18.44 AU

Year: 25527 Days

Day: 17.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,731,677 km

• M1: 53,556 km (0.11 R)
• M2: 365,318 km (0.07 R)
• M3: 2,241,126 km (0.028 R)
• M4: 3,220,693 km (0.033 R)
• M5: 4,847,270 km (0.109 R)
• M6: 6,378,105 km (0.118 R)
• M7: 7,395,520 km (0.081 R)
• M8: 7,942,749 km (0.049 R)
• M9: 8,116,432 km (0.097 R)
• M10: 10,096,659 km (0.12 R)
• M11: 17,118,036 km (0.104 R)
• M12: 20,410,086 km (0.089 R)
• M13: 24,925,249 km (0.054 R)
• M14: 28,820,179 km (0.066 R)
• M15: 37,422,506 km (0.071 R)
• M16: 40,931,623 km (0.098 R)

Kuiper Belt

Range: 30.9 - 45.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 19,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit