🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.52 AU - 0.7 AU

Year: 167 Days

Day: 19 Hours

Environment

Temp: 208 °C

Axial Tilt: 44.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 83,710,275 km

• M1: 30,069 km (0.066 R)
• M2: 373,247 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.67 AU - 1.05 AU

Year: 279 Days

Day: 36.4 Hours

Environment

Temp: 114 °C

Axial Tilt: 6.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,710,275 km

• M1: 175,927 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.73 AU - 1.03 AU

Year: 289 Days

Day: 21 Hours

Environment

Temp: 142 °C

Axial Tilt: 36.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.85 AU - 1.05 AU

Year: 324 Days

Day: 16.9 Hours

Environment

Temp: 106 °C

Axial Tilt: 7.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.79 AU - 1.29 AU

Year: 371 Days

Day: 24.4 Hours

Environment

Temp: 165 °C

Axial Tilt: 108.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,710,275 km

• M1: 385,663 km (0.079 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.86 AU - 1.24 AU

Year: 376 Days

Day: 23.4 Hours

Environment

Temp: 154 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 4.96 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.8

Radius: 14.7

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.68 AU - 10.04 AU

Year: 9226 Days

Day: 7.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 81.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,710,275 km

• M1: 182,809 km (0.07 R)
• M2: 856,298 km (0.09 R)
• M3: 1,711,699 km (0.043 R)
• M4: 4,204,897 km (0.056 R)
• M5: 11,538,783 km (0.112 R)
• M6: 12,919,871 km (0.119 R)
• M7: 13,810,576 km (0.076 R)
• M8: 22,399,588 km (0.101 R)
• M9: 22,923,181 km (0.096 R)
• M10: 25,583,779 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.5

Radius: 5.9

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 18.95 AU - 19.41 AU

Year: 29387 Days

Day: 15.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 70.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,710,275 km

• M1: 73,453 km (0.112 R)
• M2: 361,279 km (0.116 R)
• M3: 561,142 km (0.044 R)
• M4: 772,972 km (0.079 R)
• M5: 1,303,297 km (0.118 R)
• M6: 2,009,548 km (0.057 R)
• M7: 2,377,110 km (0.086 R)
• M8: 2,971,014 km (0.078 R)
• M9: 4,448,741 km (0.114 R)
• M10: 5,346,179 km (0.105 R)
• M11: 5,795,571 km (0.041 R)
• M12: 7,745,729 km (0.101 R)
• M13: 8,812,362 km (0.085 R)
• M14: 12,384,609 km (0.048 R)
• M15: 13,243,152 km (0.113 R)
• M16: 13,687,008 km (0.117 R)
• M17: 18,871,173 km (0.038 R)
• M18: 22,308,034 km (0.098 R)
• M19: 22,830,729 km (0.111 R)
• M20: 26,371,561 km (0.05 R)
• M21: 36,787,912 km (0.115 R)
• M22: 39,763,413 km (0.108 R)
• M23: 42,415,484 km (0.052 R)
• M24: 48,068,937 km (0.098 R)
• M25: 50,894,991 km (0.065 R)
• M26: 53,271,054 km (0.083 R)
• M27: 60,034,074 km (0.113 R)
• M28: 62,478,504 km (0.117 R)
• M29: 66,482,939 km (0.031 R)
• M30: 67,564,532 km (0.083 R)
• M31: 75,700,412 km (0.12 R)
• M32: 82,959,798 km (0.068 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 10,744 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit