🌌 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: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.45 AU - 0.65 AU

Year: 145 Days

Day: 45.5 Hours

Environment

Temp: 268 °C

Axial Tilt: 4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.08 AU - 1.08 AU

Year: 400 Days

Day: 37.6 Hours

Environment

Temp: 29 °C

Axial Tilt: 29.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.1 AU - 3.24 AU

Year: 2012 Days

Day: 25.3 Hours

Environment

Temp: -103 °C

Axial Tilt: 99.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,161,063 km

• M1: 47,572 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.87 AU - 3.71 AU

Year: 2127 Days

Day: 30 Hours

Environment

Temp: -110 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.3

Radius: 11.1

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.96 AU - 5.54 AU

Year: 4288 Days

Day: 6.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,161,063 km

• M1: 138,079 km (0.114 R)
• M2: 1,106,276 km (0.101 R)
• M3: 2,198,042 km (0.035 R)
• M4: 2,973,856 km (0.065 R)
• M5: 3,642,559 km (0.093 R)
• M6: 4,754,220 km (0.108 R)
• M7: 5,117,893 km (0.108 R)
• M8: 8,697,321 km (0.102 R)
• M9: 9,525,046 km (0.04 R)
• M10: 10,447,766 km (0.067 R)
• M11: 17,520,603 km (0.071 R)
• M12: 21,744,798 km (0.071 R)
• M13: 22,316,412 km (0.059 R)
• M14: 25,248,231 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.9

Radius: 12.7

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.51 AU - 7.35 AU

Year: 6503 Days

Day: 10.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,161,063 km

• M1: 157,975 km (0.105 R)
• M2: 568,472 km (0.094 R)
• M3: 1,177,784 km (0.048 R)
• M4: 1,732,493 km (0.11 R)
• M5: 3,238,196 km (0.041 R)
• M6: 4,443,655 km (0.103 R)
• M7: 6,458,589 km (0.071 R)
• M8: 7,506,672 km (0.117 R)
• M9: 8,317,043 km (0.088 R)
• M10: 9,683,321 km (0.097 R)
• M11: 10,464,670 km (0.102 R)
• M12: 11,571,246 km (0.114 R)
• M13: 12,451,330 km (0.105 R)
• M14: 13,218,468 km (0.111 R)
• M15: 14,678,393 km (0.085 R)
• M16: 15,768,364 km (0.065 R)
• M17: 17,159,175 km (0.117 R)
• M18: 18,828,238 km (0.107 R)
• M19: 19,295,582 km (0.115 R)
• M20: 20,532,757 km (0.08 R)
• M21: 21,603,728 km (0.116 R)
• M22: 22,042,349 km (0.083 R)
• M23: 22,636,402 km (0.107 R)
• M24: 25,850,512 km (0.087 R)
• M25: 30,167,607 km (0.028 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.7

Radius: 3.6

Gravity: 55.53 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 13.76 AU - 15.48 AU

Year: 19926 Days

Day: 18.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 77,161,063 km

• M1: 44,879 km (0.1 R)
• M2: 305,030 km (0.03 R)
• M3: 540,946 km (0.098 R)
• M4: 728,841 km (0.072 R)
• M5: 911,500 km (0.036 R)
• M6: 1,447,659 km (0.104 R)
• M7: 1,701,676 km (0.104 R)
• M8: 1,925,624 km (0.074 R)
• M9: 2,254,290 km (0.084 R)
• M10: 2,918,056 km (0.112 R)
• M11: 3,672,777 km (0.105 R)
• M12: 3,794,700 km (0.085 R)
• M13: 4,046,772 km (0.084 R)
• M14: 4,411,342 km (0.094 R)
• M15: 5,282,301 km (0.083 R)
• M16: 6,703,780 km (0.07 R)
• M17: 8,626,561 km (0.102 R)
• M18: 10,334,670 km (0.1 R)
• M19: 12,945,153 km (0.084 R)
• M20: 13,879,840 km (0.111 R)
• M21: 15,722,287 km (0.031 R)
• M22: 18,691,805 km (0.078 R)
• M23: 18,962,577 km (0.107 R)
• M24: 21,418,974 km (0.088 R)
• M25: 22,215,433 km (0.072 R)
• M26: 22,723,169 km (0.063 R)
• M27: 25,158,472 km (0.067 R)
• M28: 25,488,485 km (0.112 R)
• M29: 27,297,123 km (0.112 R)
• M30: 31,803,610 km (0.115 R)
• M31: 40,273,243 km (0.085 R)
• M32: 44,618,762 km (0.085 R)
• M33: 46,079,136 km (0.039 R)
• M34: 46,407,952 km (0.108 R)
• M35: 50,826,026 km (0.082 R)
• M36: 53,317,280 km (0.081 R)
• M37: 70,863,015 km (0.063 R)
• M38: 71,520,797 km (0.056 R)
• M39: 71,961,513 km (0.064 R)
• M40: 76,010,080 km (0.115 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 14,511 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit