🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.49 AU - 0.63 AU

Year: 123 Days

Day: 38.8 Hours

Environment

Temp: 341 °C

Axial Tilt: 16.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.67 AU - 0.73 AU

Year: 171 Days

Day: 29 Hours

Environment

Temp: 286 °C

Axial Tilt: 26 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.67 AU - 0.91 AU

Year: 205 Days

Day: 35.3 Hours

Environment

Temp: 317 °C

Axial Tilt: 46 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 64,028,027 km

• M1: 160,967 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.16 AU - 1.34 AU

Year: 409 Days

Day: 35.9 Hours

Environment

Temp: 161 °C

Axial Tilt: 3.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 64,028,027 km

• M1: 44,281 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.43 AU - 3.23 AU

Year: 1392 Days

Day: 16.3 Hours

Environment

Temp: -17 °C

Axial Tilt: 39.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.87 AU - 4.64 AU

Year: 2124 Days

Day: 18.2 Hours

Environment

Temp: -47 °C

Axial Tilt: 108.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.25 AU - 5.13 AU

Year: 2970 Days

Day: 24.8 Hours

Environment

Temp: -79 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 15.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.8

Radius: 9.6

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 15.54 AU - 15.6 AU

Year: 17966 Days

Day: 12.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 64,028,027 km

• M1: 812,616 km (0.107 R)
• M2: 1,012,030 km (0.078 R)
• M3: 1,565,542 km (0.099 R)
• M4: 1,759,421 km (0.115 R)
• M5: 2,611,680 km (0.086 R)
• M6: 2,709,816 km (0.085 R)
• M7: 2,876,318 km (0.073 R)
• M8: 3,184,340 km (0.119 R)
• M9: 3,254,202 km (0.086 R)
• M10: 3,324,663 km (0.088 R)
• M11: 3,539,186 km (0.084 R)
• M12: 4,480,905 km (0.106 R)
• M13: 5,287,387 km (0.103 R)
• M14: 5,370,564 km (0.056 R)
• M15: 5,622,486 km (0.094 R)
• M16: 5,750,093 km (0.026 R)
• M17: 6,181,982 km (0.111 R)
• M18: 7,031,250 km (0.098 R)
• M19: 8,060,034 km (0.094 R)
• M20: 8,203,947 km (0.062 R)
• M21: 8,592,004 km (0.102 R)
• M22: 8,936,528 km (0.103 R)
• M23: 10,151,712 km (0.039 R)
• M24: 10,725,868 km (0.041 R)
• M25: 11,633,927 km (0.115 R)
• M26: 11,960,350 km (0.051 R)
• M27: 12,234,563 km (0.062 R)
• M28: 12,455,519 km (0.09 R)
• M29: 12,622,171 km (0.098 R)
• M30: 13,352,508 km (0.06 R)
• M31: 14,736,737 km (0.114 R)
• M32: 15,089,788 km (0.097 R)
• M33: 15,326,900 km (0.063 R)
• M34: 16,652,337 km (0.109 R)
• M35: 19,928,232 km (0.036 R)
• M36: 20,909,294 km (0.056 R)
• M37: 21,173,484 km (0.05 R)
• M38: 22,443,869 km (0.077 R)
• M39: 23,601,458 km (0.085 R)
• M40: 24,083,612 km (0.034 R)
• M41: 24,708,482 km (0.058 R)
• M42: 26,543,449 km (0.066 R)
• M43: 29,970,138 km (0.064 R)
• M44: 30,342,787 km (0.098 R)
• M45: 31,470,006 km (0.079 R)
• M46: 33,533,260 km (0.055 R)
• M47: 35,168,066 km (0.098 R)
• M48: 35,639,898 km (0.119 R)
• M49: 38,111,105 km (0.072 R)
• M50: 40,390,228 km (0.116 R)
• M51: 41,380,417 km (0.109 R)
• M52: 42,964,658 km (0.086 R)
• M53: 43,132,507 km (0.075 R)
• M54: 43,721,922 km (0.104 R)
• M55: 44,229,358 km (0.098 R)
• M56: 44,314,031 km (0.088 R)
• M57: 48,008,949 km (0.083 R)
• M58: 48,707,122 km (0.056 R)
• M59: 48,882,301 km (0.066 R)
• M60: 51,712,094 km (0.084 R)
• M61: 52,786,955 km (0.103 R)
• M62: 53,146,888 km (0.113 R)
• M63: 54,776,457 km (0.083 R)
• M64: 54,958,667 km (0.088 R)
• M65: 55,506,046 km (0.055 R)
• M66: 56,238,926 km (0.119 R)
• M67: 57,159,402 km (0.118 R)
• M68: 58,642,515 km (0.065 R)
• M69: 58,735,565 km (0.086 R)
• M70: 60,232,142 km (0.118 R)
• M71: 60,608,231 km (0.118 R)
• M72: 60,890,821 km (0.044 R)
• M73: 61,362,803 km (0.114 R)
• M74: 62,120,366 km (0.099 R)
• M75: 62,405,350 km (0.12 R)

Kuiper Belt

Range: 37.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 12,503 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit