🌌 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: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.49 AU - 0.55 AU

Year: 134 Days

Day: 47.7 Hours

Environment

Temp: 205 °C

Axial Tilt: 45.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.53 AU - 0.59 AU

Year: 150 Days

Day: 29.7 Hours

Environment

Temp: 199 °C

Axial Tilt: 73.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 104,035,917 km

• M1: 66,571 km (0.082 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.46 AU - 0.66 AU

Year: 150 Days

Day: 38.8 Hours

Environment

Temp: 163 °C

Axial Tilt: 156.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.79 AU - 0.95 AU

Year: 291 Days

Day: 36.1 Hours

Environment

Temp: 153 °C

Axial Tilt: 28.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 104,035,917 km

• M1: 22,888 km (0.084 R)

Planet 5 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.9 AU - 1.06 AU

Year: 347 Days

Day: 26 Hours

Environment

Temp: 162 °C

Axial Tilt: 36 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.6 AU - 1.6 AU

Year: 725 Days

Day: 34.3 Hours

Environment

Temp: -27 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 104,035,917 km

• M1: 159,322 km (0.044 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.53 AU - 2.71 AU

Year: 1519 Days

Day: 42.7 Hours

Environment

Temp: -77 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 104,035,917 km

• M1: 526,585 km (0.089 R)

Planet 8 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.12 AU - 3.48 AU

Year: 1678 Days

Day: 24.4 Hours

Environment

Temp: -94 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776

Radius: 14.4

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 7.87 AU - 10.71 AU

Year: 10141 Days

Day: 10.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 104,035,917 km

• M1: 180,415 km (0.09 R)
• M2: 766,988 km (0.04 R)
• M3: 1,342,491 km (0.046 R)
• M4: 2,389,826 km (0.059 R)
• M5: 3,047,159 km (0.079 R)
• M6: 3,617,725 km (0.075 R)
• M7: 5,463,913 km (0.088 R)
• M8: 6,274,883 km (0.102 R)
• M9: 6,728,912 km (0.07 R)
• M10: 7,875,131 km (0.112 R)
• M11: 10,606,489 km (0.058 R)
• M12: 12,626,808 km (0.11 R)
• M13: 14,497,230 km (0.074 R)
• M14: 19,570,244 km (0.075 R)
• M15: 31,044,101 km (0.112 R)
• M16: 32,369,987 km (0.04 R)
• M17: 33,848,463 km (0.095 R)
• M18: 38,554,214 km (0.101 R)
• M19: 45,765,579 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.3

Radius: 3.7

Gravity: 71.68 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 16.64 AU - 18.8 AU

Year: 26716 Days

Day: 23.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 104,035,917 km

• M1: 46,076 km (0.095 R)
• M2: 169,794 km (0.111 R)
• M3: 319,242 km (0.03 R)
• M4: 496,366 km (0.037 R)
• M5: 704,456 km (0.075 R)
• M6: 1,378,395 km (0.075 R)
• M7: 2,256,235 km (0.119 R)
• M8: 4,659,226 km (0.093 R)
• M9: 6,751,352 km (0.071 R)
• M10: 7,318,477 km (0.081 R)
• M11: 7,640,861 km (0.1 R)
• M12: 10,637,157 km (0.077 R)
• M13: 11,190,818 km (0.105 R)
• M14: 12,582,378 km (0.116 R)
• M15: 13,044,785 km (0.059 R)
• M16: 13,518,412 km (0.053 R)
• M17: 14,085,238 km (0.109 R)
• M18: 16,511,865 km (0.057 R)
• M19: 23,188,418 km (0.108 R)
• M20: 23,999,687 km (0.1 R)
• M21: 25,070,359 km (0.106 R)
• M22: 26,172,447 km (0.114 R)
• M23: 28,604,310 km (0.061 R)
• M24: 42,527,832 km (0.044 R)
• M25: 49,394,674 km (0.054 R)
• M26: 50,928,650 km (0.064 R)
• M27: 53,689,180 km (0.117 R)
• M28: 57,592,787 km (0.103 R)
• M29: 59,506,143 km (0.083 R)
• M30: 69,711,112 km (0.058 R)
• M31: 73,603,050 km (0.109 R)
• M32: 85,047,437 km (0.097 R)
• M33: 88,642,423 km (0.086 R)
• M34: 91,762,436 km (0.079 R)
• M35: 95,543,074 km (0.092 R)

Kuiper Belt

Range: 30.6 - 49.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 17,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit