🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.43 AU - 0.65 AU

Year: 260 Days

Day: 15.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.1

Radius: 8.5

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.4 AU - 1.72 AU

Year: 1278 Days

Day: 9.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,051,714 km

• M1: 105,766 km (0.062 R)
• M2: 439,369 km (0.074 R)
• M3: 747,391 km (0.104 R)
• M4: 2,698,147 km (0.12 R)
• M5: 3,494,905 km (0.071 R)
• M6: 4,107,808 km (0.104 R)
• M7: 4,386,509 km (0.047 R)
• M8: 6,085,941 km (0.084 R)
• M9: 7,344,956 km (0.118 R)
• M10: 10,084,692 km (0.058 R)
• M11: 11,154,167 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.3

Radius: 11.4

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.52 AU - 1.84 AU

Year: 1428 Days

Day: 6.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,051,714 km

• M1: 142,567 km (0.087 R)
• M2: 712,834 km (0.119 R)
• M3: 1,106,276 km (0.11 R)
• M4: 2,069,088 km (0.097 R)
• M5: 2,443,382 km (0.06 R)
• M6: 3,273,501 km (0.086 R)
• M7: 3,660,809 km (0.095 R)
• M8: 4,112,296 km (0.074 R)
• M9: 6,147,126 km (0.073 R)
• M10: 7,472,114 km (0.085 R)
• M11: 9,773,678 km (0.036 R)
• M12: 10,360,700 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523

Radius: 12.2

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.56 AU - 2.56 AU

Year: 1940 Days

Day: 11.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,051,714 km

• M1: 151,991 km (0.069 R)
• M2: 818,300 km (0.105 R)
• M3: 1,282,802 km (0.114 R)
• M4: 1,913,806 km (0.102 R)
• M5: 2,464,775 km (0.078 R)
• M6: 3,242,833 km (0.113 R)
• M7: 4,882,874 km (0.06 R)
• M8: 5,484,258 km (0.109 R)
• M9: 5,920,186 km (0.032 R)
• M10: 6,329,785 km (0.116 R)
• M11: 6,732,503 km (0.085 R)
• M12: 7,125,795 km (0.076 R)
• M13: 8,016,202 km (0.091 R)
• M14: 8,731,729 km (0.095 R)
• M15: 9,136,690 km (0.109 R)
• M16: 9,521,755 km (0.096 R)
• M17: 9,951,101 km (0.091 R)
• M18: 10,848,688 km (0.108 R)
• M19: 12,256,853 km (0.042 R)
• M20: 12,924,807 km (0.1 R)
• M21: 13,866,975 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.3

Radius: 11.2

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.16 AU - 2.42 AU

Year: 2273 Days

Day: 10.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,051,714 km

• M1: 139,276 km (0.072 R)
• M2: 593,156 km (0.115 R)
• M3: 1,135,747 km (0.089 R)
• M4: 2,357,513 km (0.067 R)
• M5: 3,149,634 km (0.114 R)
• M6: 3,679,808 km (0.069 R)
• M7: 5,188,952 km (0.119 R)
• M8: 5,611,566 km (0.109 R)
• M9: 8,330,208 km (0.077 R)
• M10: 9,727,751 km (0.068 R)
• M11: 10,190,457 km (0.106 R)
• M12: 15,089,040 km (0.035 R)
• M13: 16,497,204 km (0.117 R)
• M14: 17,259,106 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.7

Radius: 13.5

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.25 AU - 2.77 AU

Year: 2609 Days

Day: 13.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,051,714 km

• M1: 191,635 km (0.093 R)
• M2: 692,339 km (0.103 R)
• M3: 2,835,478 km (0.081 R)
• M4: 3,507,472 km (0.093 R)
• M5: 4,147,003 km (0.111 R)
• M6: 4,994,026 km (0.05 R)
• M7: 5,494,580 km (0.031 R)
• M8: 7,229,317 km (0.117 R)
• M9: 10,461,678 km (0.079 R)
• M10: 11,594,733 km (0.052 R)
• M11: 12,641,469 km (0.089 R)
• M12: 15,581,366 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.2

Radius: 13.6

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.64 AU - 4.3 AU

Year: 4240 Days

Day: 6.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,051,714 km

• M1: 169,494 km (0.099 R)
• M2: 636,838 km (0.074 R)
• M3: 1,245,253 km (0.114 R)
• M4: 2,102,000 km (0.045 R)
• M5: 2,680,195 km (0.047 R)
• M6: 4,396,532 km (0.104 R)
• M7: 5,080,044 km (0.089 R)
• M8: 5,688,609 km (0.083 R)
• M9: 7,991,668 km (0.099 R)
• M10: 8,701,360 km (0.109 R)
• M11: 9,250,684 km (0.074 R)
• M12: 10,770,747 km (0.088 R)
• M13: 11,404,893 km (0.074 R)
• M14: 17,349,164 km (0.076 R)
• M15: 18,348,478 km (0.097 R)
• M16: 19,584,605 km (0.112 R)
• M17: 21,435,729 km (0.047 R)
• M18: 27,855,572 km (0.064 R)
• M19: 28,364,055 km (0.069 R)
• M20: 28,792,504 km (0.118 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: 528 - 12,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit