🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.53 AU - 0.85 AU

Year: 217 Days

Day: 21.1 Hours

Environment

Temp: 153 °C

Axial Tilt: 1.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,737,174 km

• M1: 40,691 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.6 AU - 0.98 AU

Year: 266 Days

Day: 22.9 Hours

Environment

Temp: 91 °C

Axial Tilt: 48.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.42 AU - 1.44 AU

Year: 648 Days

Day: 21 Hours

Environment

Temp: -47 °C

Axial Tilt: 46.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.61 AU - 4.01 AU

Year: 2281 Days

Day: 23.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.19 AU - 4.63 AU

Year: 2928 Days

Day: 47.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 135.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.5

Radius: 9.7

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.1 AU - 5.92 AU

Year: 4247 Days

Day: 7.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,737,174 km

• M1: 120,725 km (0.09 R)
• M2: 702,063 km (0.066 R)
• M3: 1,095,954 km (0.097 R)
• M4: 1,439,431 km (0.106 R)
• M5: 1,919,640 km (0.11 R)
• M6: 2,135,210 km (0.098 R)
• M7: 2,349,285 km (0.086 R)
• M8: 3,313,443 km (0.083 R)
• M9: 4,355,542 km (0.081 R)
• M10: 4,801,493 km (0.104 R)
• M11: 5,826,089 km (0.103 R)
• M12: 6,387,829 km (0.031 R)
• M13: 6,785,011 km (0.088 R)
• M14: 7,615,728 km (0.095 R)
• M15: 8,389,149 km (0.117 R)
• M16: 8,953,283 km (0.112 R)
• M17: 9,200,718 km (0.088 R)
• M18: 9,423,619 km (0.114 R)
• M19: 10,283,208 km (0.116 R)
• M20: 11,737,599 km (0.109 R)
• M21: 12,308,015 km (0.114 R)
• M22: 12,859,283 km (0.097 R)
• M23: 14,135,802 km (0.105 R)
• M24: 16,460,553 km (0.093 R)
• M25: 16,833,949 km (0.107 R)
• M26: 18,923,682 km (0.072 R)
• M27: 20,884,461 km (0.087 R)
• M28: 21,136,384 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.7

Radius: 11.9

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.28 AU - 7.54 AU

Year: 7640 Days

Day: 11.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,737,174 km

• M1: 156,031 km (0.112 R)
• M2: 429,047 km (0.114 R)
• M3: 738,265 km (0.036 R)
• M4: 1,284,597 km (0.115 R)
• M5: 2,057,270 km (0.082 R)
• M6: 2,294,682 km (0.087 R)
• M7: 2,527,606 km (0.068 R)
• M8: 4,129,051 km (0.092 R)
• M9: 4,745,394 km (0.08 R)
• M10: 6,111,073 km (0.114 R)
• M11: 6,984,425 km (0.118 R)
• M12: 7,267,614 km (0.089 R)
• M13: 7,785,372 km (0.052 R)
• M14: 8,185,397 km (0.08 R)
• M15: 9,123,077 km (0.079 R)
• M16: 9,374,700 km (0.112 R)
• M17: 11,754,353 km (0.107 R)
• M18: 13,089,365 km (0.104 R)
• M19: 13,564,937 km (0.112 R)
• M20: 14,004,904 km (0.062 R)
• M21: 14,677,945 km (0.098 R)
• M22: 17,134,940 km (0.098 R)
• M23: 19,000,126 km (0.053 R)
• M24: 19,416,158 km (0.041 R)
• M25: 20,368,797 km (0.083 R)
• M26: 21,896,491 km (0.083 R)
• M27: 24,350,793 km (0.088 R)
• M28: 24,762,636 km (0.068 R)
• M29: 26,140,732 km (0.032 R)
• M30: 28,945,393 km (0.102 R)
• M31: 29,782,393 km (0.119 R)
• M32: 32,095,475 km (0.073 R)
• M33: 34,845,383 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.1

Radius: 7.8

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 12.48 AU - 16.98 AU

Year: 21412 Days

Day: 18.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,737,174 km

• M1: 118,033 km (0.063 R)
• M2: 725,250 km (0.085 R)
• M3: 1,008,140 km (0.076 R)
• M4: 2,944,834 km (0.049 R)
• M5: 5,236,673 km (0.115 R)
• M6: 14,806,599 km (0.062 R)
• M7: 15,736,200 km (0.111 R)
• M8: 19,363,051 km (0.107 R)
• M9: 23,532,493 km (0.101 R)
• M10: 28,019,831 km (0.056 R)
• M11: 36,201,039 km (0.097 R)
• M12: 37,544,727 km (0.104 R)
• M13: 38,173,188 km (0.097 R)
• M14: 42,385,864 km (0.03 R)
• M15: 42,941,919 km (0.108 R)
• M16: 47,169,705 km (0.046 R)
• M17: 50,501,249 km (0.104 R)
• M18: 52,086,687 km (0.114 R)
• M19: 53,447,430 km (0.116 R)
• M20: 61,981,240 km (0.108 R)
• M21: 66,207,978 km (0.081 R)
• M22: 68,022,002 km (0.089 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 18,658 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit