🌌 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: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.49 AU - 0.53 AU

Year: 156 Days

Day: 26.4 Hours

Environment

Temp: 99 °C

Axial Tilt: 20.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,856,456 km

• M1: 27,825 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.4 AU - 0.64 AU

Year: 160 Days

Day: 20.7 Hours

Environment

Temp: 135 °C

Axial Tilt: 49.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,856,456 km

• M1: 100,380 km (0.084 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.1 AU - 1.26 AU

Year: 548 Days

Day: 12.8 Hours

Environment

Temp: -76 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.37 AU - 1.75 AU

Year: 833 Days

Day: 30.7 Hours

Environment

Temp: -100 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.63 AU - 2.05 AU

Year: 1067 Days

Day: 42.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.4

Radius: 13.1

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.14 AU - 6.4 AU

Year: 5172 Days

Day: 9.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,856,456 km

• M1: 162,912 km (0.099 R)
• M2: 656,286 km (0.093 R)
• M3: 1,126,472 km (0.113 R)
• M4: 1,891,665 km (0.031 R)
• M5: 2,557,525 km (0.119 R)
• M6: 6,338,761 km (0.044 R)
• M7: 7,492,011 km (0.079 R)
• M8: 8,262,889 km (0.082 R)
• M9: 8,894,341 km (0.105 R)
• M10: 10,086,936 km (0.089 R)
• M11: 10,895,811 km (0.078 R)
• M12: 11,428,679 km (0.034 R)
• M13: 13,787,538 km (0.11 R)
• M14: 16,110,943 km (0.041 R)
• M15: 16,744,938 km (0.111 R)
• M16: 18,873,567 km (0.108 R)
• M17: 21,938,079 km (0.102 R)
• M18: 22,360,992 km (0.092 R)
• M19: 23,295,680 km (0.104 R)
• M20: 24,784,478 km (0.061 R)
• M21: 26,099,144 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.8

Radius: 14.1

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.67 AU - 8.43 AU

Year: 8002 Days

Day: 11.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,856,456 km

• M1: 178,171 km (0.059 R)
• M2: 722,259 km (0.053 R)
• M3: 1,174,792 km (0.096 R)
• M4: 1,949,709 km (0.109 R)
• M5: 2,438,296 km (0.057 R)
• M6: 2,914,167 km (0.103 R)
• M7: 3,494,905 km (0.1 R)
• M8: 5,000,458 km (0.068 R)
• M9: 6,567,795 km (0.077 R)
• M10: 8,759,853 km (0.118 R)
• M11: 10,789,896 km (0.099 R)
• M12: 11,989,671 km (0.09 R)
• M13: 12,854,945 km (0.052 R)
• M14: 14,202,822 km (0.088 R)
• M15: 16,184,545 km (0.044 R)
• M16: 17,178,323 km (0.085 R)
• M17: 18,947,318 km (0.047 R)
• M18: 20,762,688 km (0.047 R)
• M19: 22,311,625 km (0.084 R)
• M20: 23,386,336 km (0.104 R)
• M21: 24,095,131 km (0.054 R)
• M22: 30,292,671 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.2

Radius: 3.4

Gravity: 37.21 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 12.65 AU - 20.37 AU

Year: 28678 Days

Day: 24.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 82,856,456 km

• M1: 42,336 km (0.097 R)
• M2: 207,941 km (0.083 R)
• M3: 338,839 km (0.112 R)
• M4: 619,335 km (0.069 R)
• M5: 876,793 km (0.077 R)
• M6: 1,783,356 km (0.104 R)
• M7: 3,127,942 km (0.117 R)
• M8: 3,268,564 km (0.096 R)
• M9: 4,479,708 km (0.114 R)
• M10: 4,954,681 km (0.108 R)
• M11: 6,177,794 km (0.101 R)
• M12: 6,444,527 km (0.113 R)
• M13: 7,791,805 km (0.051 R)
• M14: 8,050,609 km (0.036 R)
• M15: 8,208,734 km (0.104 R)
• M16: 8,861,729 km (0.102 R)
• M17: 10,456,293 km (0.112 R)
• M18: 10,644,487 km (0.092 R)
• M19: 12,938,121 km (0.116 R)
• M20: 14,742,122 km (0.101 R)
• M21: 16,792,511 km (0.06 R)
• M22: 21,853,407 km (0.086 R)
• M23: 22,785,102 km (0.105 R)
• M24: 28,691,675 km (0.076 R)
• M25: 33,736,863 km (0.085 R)
• M26: 34,010,328 km (0.095 R)
• M27: 39,040,407 km (0.082 R)
• M28: 41,967,887 km (0.073 R)
• M29: 42,443,160 km (0.105 R)
• M30: 45,870,597 km (0.063 R)
• M31: 47,737,429 km (0.049 R)
• M32: 52,167,470 km (0.083 R)
• M33: 54,763,891 km (0.115 R)
• M34: 58,620,674 km (0.117 R)
• M35: 62,654,580 km (0.096 R)
• M36: 62,861,025 km (0.095 R)
• M37: 63,691,144 km (0.087 R)
• M38: 65,798,679 km (0.108 R)
• M39: 67,734,625 km (0.092 R)
• M40: 76,327,975 km (0.101 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 19,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit