🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.56 AU - 0.86 AU

Year: 222 Days

Day: 27 Hours

Environment

Temp: 115 °C

Axial Tilt: 23.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 58,664,713 km

• M1: 33,959 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.8 AU - 0.98 AU

Year: 311 Days

Day: 24.3 Hours

Environment

Temp: 92 °C

Axial Tilt: 12.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.66 AU - 2.74 AU

Year: 1645 Days

Day: 35 Hours

Environment

Temp: -96 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.23 AU - 4.07 AU

Year: 2586 Days

Day: 12.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 49.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,664,713 km

• M1: 1,929,663 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.7

Radius: 12.4

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 7.2 AU - 7.58 AU

Year: 7450 Days

Day: 6.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,664,713 km

• M1: 154,235 km (0.029 R)
• M2: 849,118 km (0.081 R)
• M3: 1,474,137 km (0.042 R)
• M4: 2,800,173 km (0.104 R)
• M5: 3,661,857 km (0.04 R)
• M6: 4,920,573 km (0.068 R)
• M7: 5,460,771 km (0.027 R)
• M8: 5,875,307 km (0.099 R)
• M9: 7,134,771 km (0.081 R)
• M10: 8,440,611 km (0.115 R)
• M11: 9,261,455 km (0.083 R)
• M12: 11,012,049 km (0.108 R)
• M13: 13,715,432 km (0.083 R)
• M14: 14,364,836 km (0.077 R)
• M15: 19,573,535 km (0.101 R)
• M16: 24,263,877 km (0.082 R)
• M17: 25,566,127 km (0.064 R)
• M18: 26,279,409 km (0.053 R)
• M19: 35,573,177 km (0.076 R)
• M20: 38,633,351 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.4

Radius: 13.1

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.36 AU - 7.64 AU

Year: 7617 Days

Day: 10.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,664,713 km

• M1: 175,628 km (0.052 R)
• M2: 1,092,064 km (0.075 R)
• M3: 2,250,251 km (0.101 R)
• M4: 2,734,948 km (0.064 R)
• M5: 3,555,044 km (0.081 R)
• M6: 5,186,409 km (0.115 R)
• M7: 6,154,456 km (0.094 R)
• M8: 13,120,481 km (0.088 R)
• M9: 17,839,546 km (0.111 R)
• M10: 20,934,277 km (0.117 R)
• M11: 21,460,712 km (0.099 R)
• M12: 22,953,998 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397

Radius: 5.7

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 11.38 AU - 15.02 AU

Year: 17785 Days

Day: 19.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,664,713 km

• M1: 70,909 km (0.113 R)
• M2: 553,811 km (0.12 R)
• M3: 975,528 km (0.041 R)
• M4: 1,544,748 km (0.068 R)
• M5: 2,119,652 km (0.103 R)
• M6: 2,414,809 km (0.065 R)
• M7: 2,604,649 km (0.057 R)
• M8: 3,063,016 km (0.09 R)
• M9: 3,493,409 km (0.1 R)
• M10: 5,517,768 km (0.118 R)
• M11: 5,924,225 km (0.069 R)
• M12: 7,049,201 km (0.085 R)
• M13: 7,797,789 km (0.073 R)
• M14: 10,921,991 km (0.117 R)
• M15: 13,833,764 km (0.074 R)
• M16: 18,171,504 km (0.108 R)
• M17: 25,388,105 km (0.094 R)
• M18: 26,097,947 km (0.052 R)
• M19: 26,406,119 km (0.075 R)
• M20: 31,790,296 km (0.101 R)
• M21: 32,259,584 km (0.078 R)
• M22: 33,212,074 km (0.055 R)
• M23: 40,273,841 km (0.11 R)
• M24: 42,643,621 km (0.108 R)
• M25: 43,934,950 km (0.041 R)
• M26: 44,663,641 km (0.116 R)
• M27: 46,294,856 km (0.076 R)
• M28: 47,201,270 km (0.107 R)
• M29: 47,506,001 km (0.062 R)
• M30: 50,466,542 km (0.071 R)
• M31: 51,910,910 km (0.086 R)
• M32: 53,547,959 km (0.078 R)
• M33: 55,387,864 km (0.093 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: 499 - 15,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit