🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.2

Radius: 13.1

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.78 AU - 0.82 AU

Year: 477 Days

Day: 8.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 49,214,588 km

• M1: 165,754 km (0.058 R)
• M2: 699,370 km (0.07 R)
• M3: 1,129,015 km (0.062 R)
• M4: 1,570,179 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.6

Radius: 14.5

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.04 AU - 1.16 AU

Year: 769 Days

Day: 14.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,214,588 km

• M1: 180,415 km (0.067 R)
• M2: 922,271 km (0.079 R)
• M3: 1,478,775 km (0.115 R)
• M4: 1,997,431 km (0.114 R)
• M5: 2,885,893 km (0.089 R)
• M6: 3,526,022 km (0.049 R)
• M7: 4,723,852 km (0.076 R)
• M8: 5,184,913 km (0.054 R)
• M9: 5,913,454 km (0.118 R)
• M10: 7,179,202 km (0.087 R)
• M11: 7,913,428 km (0.088 R)
• M12: 9,256,967 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.3

Radius: 13.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.33 AU - 1.63 AU

Year: 1201 Days

Day: 5.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,214,588 km

• M1: 169,794 km (0.086 R)
• M2: 724,802 km (0.082 R)
• M3: 1,160,730 km (0.053 R)
• M4: 2,189,066 km (0.104 R)
• M5: 3,032,349 km (0.114 R)
• M6: 3,698,059 km (0.089 R)
• M7: 4,359,132 km (0.064 R)
• M8: 5,061,046 km (0.077 R)
• M9: 5,596,307 km (0.12 R)
• M10: 6,669,073 km (0.107 R)
• M11: 7,243,080 km (0.069 R)
• M12: 7,924,798 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.6

Radius: 13.9

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.88 AU - 3.14 AU

Year: 3482 Days

Day: 12.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,214,588 km

• M1: 172,935 km (0.111 R)
• M2: 1,043,146 km (0.054 R)
• M3: 1,671,307 km (0.082 R)
• M4: 2,333,428 km (0.102 R)
• M5: 4,473,724 km (0.107 R)
• M6: 5,199,723 km (0.091 R)
• M7: 6,159,842 km (0.095 R)
• M8: 6,599,510 km (0.115 R)
• M9: 7,060,122 km (0.084 R)
• M10: 8,155,328 km (0.103 R)
• M11: 10,164,727 km (0.087 R)
• M12: 11,148,931 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.5

Radius: 9.3

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.74 AU - 5.54 AU

Year: 6665 Days

Day: 7.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,214,588 km

• M1: 115,639 km (0.029 R)
• M2: 489,933 km (0.054 R)
• M3: 1,255,575 km (0.088 R)
• M4: 1,548,188 km (0.057 R)
• M5: 3,794,999 km (0.112 R)
• M6: 4,444,403 km (0.061 R)
• M7: 5,373,107 km (0.053 R)
• M8: 6,158,944 km (0.094 R)
• M9: 6,631,374 km (0.119 R)
• M10: 9,585,932 km (0.119 R)
• M11: 10,835,673 km (0.115 R)
• M12: 11,424,789 km (0.114 R)
• M13: 12,086,910 km (0.055 R)
• M14: 14,401,488 km (0.113 R)
• M15: 14,873,768 km (0.117 R)
• M16: 15,478,592 km (0.078 R)
• M17: 16,931,786 km (0.118 R)
• M18: 17,391,500 km (0.067 R)
• M19: 17,994,829 km (0.094 R)
• M20: 19,172,613 km (0.089 R)
• M21: 21,451,287 km (0.094 R)
• M22: 23,415,956 km (0.072 R)
• M23: 25,412,041 km (0.106 R)
• M24: 30,893,905 km (0.077 R)
• M25: 34,850,918 km (0.086 R)
• M26: 35,595,317 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.1

Radius: 6.6

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.63 AU - 7.63 AU

Year: 11384 Days

Day: 21.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,214,588 km

• M1: 82,279 km (0.107 R)
• M2: 398,230 km (0.11 R)
• M3: 840,590 km (0.03 R)
• M4: 1,149,061 km (0.104 R)
• M5: 2,355,418 km (0.118 R)
• M6: 2,611,380 km (0.079 R)
• M7: 2,842,509 km (0.057 R)
• M8: 3,419,059 km (0.029 R)
• M9: 3,988,429 km (0.062 R)
• M10: 5,215,730 km (0.106 R)
• M11: 7,151,227 km (0.031 R)
• M12: 7,904,901 km (0.057 R)
• M13: 8,990,832 km (0.093 R)
• M14: 9,817,959 km (0.077 R)
• M15: 10,962,233 km (0.074 R)
• M16: 13,327,525 km (0.095 R)
• M17: 14,207,459 km (0.041 R)
• M18: 18,960,782 km (0.104 R)
• M19: 20,562,078 km (0.104 R)
• M20: 21,906,514 km (0.09 R)
• M21: 27,470,657 km (0.115 R)
• M22: 29,099,179 km (0.117 R)
• M23: 37,844,073 km (0.075 R)
• M24: 38,465,801 km (0.111 R)
• M25: 45,621,067 km (0.108 R)
• M26: 47,466,956 km (0.086 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 12,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit