🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.5

Radius: 12.6

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.71 AU - 0.91 AU

Year: 512 Days

Day: 13.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,433,701 km

• M1: 156,629 km (0.071 R)
• M2: 565,929 km (0.091 R)
• M3: 1,028,037 km (0.109 R)
• M4: 1,757,027 km (0.049 R)
• M5: 2,435,154 km (0.112 R)
• M6: 3,010,358 km (0.059 R)
• M7: 3,506,574 km (0.115 R)
• M8: 4,214,471 km (0.101 R)
• M9: 4,711,735 km (0.063 R)
• M10: 5,130,908 km (0.117 R)
• M11: 5,788,839 km (0.084 R)
• M12: 6,880,455 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.2

Radius: 11.1

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.67 AU - 0.97 AU

Year: 522 Days

Day: 14.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,433,701 km

• M1: 138,079 km (0.099 R)
• M2: 551,867 km (0.092 R)
• M3: 904,469 km (0.101 R)
• M4: 1,257,819 km (0.096 R)
• M5: 1,631,365 km (0.051 R)
• M6: 2,150,469 km (0.111 R)
• M7: 2,539,274 km (0.095 R)
• M8: 3,043,120 km (0.076 R)
• M9: 3,411,280 km (0.086 R)
• M10: 4,068,613 km (0.072 R)
• M11: 4,532,217 km (0.067 R)
• M12: 5,794,225 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.5

Radius: 11.2

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.76 AU - 1.02 AU

Year: 590 Days

Day: 13.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 76.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,433,701 km

• M1: 139,724 km (0.065 R)
• M2: 626,067 km (0.111 R)
• M3: 981,512 km (0.11 R)
• M4: 1,491,790 km (0.048 R)
• M5: 2,710,713 km (0.1 R)
• M6: 3,586,609 km (0.063 R)
• M7: 4,293,459 km (0.075 R)
• M8: 4,830,665 km (0.099 R)
• M9: 5,224,556 km (0.118 R)
• M10: 6,999,984 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.1

Radius: 11.8

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.34 AU - 1.74 AU

Year: 1343 Days

Day: 9.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,433,701 km

• M1: 147,803 km (0.113 R)
• M2: 544,387 km (0.084 R)
• M3: 1,061,995 km (0.109 R)
• M4: 1,691,354 km (0.103 R)
• M5: 2,143,737 km (0.042 R)
• M6: 2,610,333 km (0.088 R)
• M7: 3,650,338 km (0.046 R)
• M8: 4,826,177 km (0.083 R)
• M9: 5,501,761 km (0.109 R)
• M10: 7,441,148 km (0.099 R)
• M11: 9,349,568 km (0.095 R)
• M12: 10,537,076 km (0.056 R)
• M13: 12,046,668 km (0.058 R)
• M14: 13,130,056 km (0.098 R)
• M15: 13,532,474 km (0.115 R)
• M16: 13,901,532 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.1

Radius: 13

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.3 AU - 2.14 AU

Year: 1586 Days

Day: 5.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,433,701 km

• M1: 161,715 km (0.106 R)
• M2: 852,259 km (0.082 R)
• M3: 1,260,960 km (0.1 R)
• M4: 2,074,174 km (0.051 R)
• M5: 2,593,279 km (0.111 R)
• M6: 3,038,782 km (0.037 R)
• M7: 4,467,142 km (0.083 R)
• M8: 5,092,461 km (0.076 R)
• M9: 5,534,074 km (0.092 R)
• M10: 6,591,881 km (0.086 R)
• M11: 7,221,089 km (0.034 R)
• M12: 7,780,136 km (0.107 R)
• M13: 9,351,961 km (0.081 R)
• M14: 10,344,992 km (0.1 R)
• M15: 11,336,377 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.8

Radius: 14.5

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.7 AU - 2.26 AU

Year: 1958 Days

Day: 6.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,433,701 km

• M1: 180,415 km (0.088 R)
• M2: 666,309 km (0.062 R)
• M3: 1,318,256 km (0.065 R)
• M4: 2,115,912 km (0.069 R)
• M5: 2,695,903 km (0.07 R)
• M6: 3,364,905 km (0.078 R)
• M7: 4,238,856 km (0.046 R)
• M8: 4,824,531 km (0.053 R)
• M9: 6,011,142 km (0.117 R)
• M10: 7,215,853 km (0.12 R)
• M11: 8,114,787 km (0.095 R)
• M12: 8,893,145 km (0.063 R)
• M13: 10,206,464 km (0.108 R)
• M14: 11,114,075 km (0.095 R)
• M15: 11,722,788 km (0.054 R)
• M16: 14,118,149 km (0.103 R)
• M17: 14,787,450 km (0.06 R)
• M18: 16,141,461 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.4

Radius: 11.4

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.7 AU - 5.46 AU

Year: 8048 Days

Day: 11.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,433,701 km

• M1: 142,716 km (0.111 R)
• M2: 497,413 km (0.114 R)
• M3: 929,900 km (0.106 R)
• M4: 1,518,418 km (0.094 R)
• M5: 2,947,527 km (0.114 R)
• M6: 6,048,990 km (0.074 R)
• M7: 8,098,930 km (0.083 R)
• M8: 9,044,687 km (0.08 R)
• M9: 12,012,260 km (0.115 R)
• M10: 13,076,200 km (0.117 R)
• M11: 15,208,718 km (0.077 R)
• M12: 17,166,206 km (0.118 R)
• M13: 19,003,418 km (0.105 R)
• M14: 23,957,800 km (0.119 R)
• M15: 24,958,161 km (0.078 R)
• M16: 25,899,281 km (0.089 R)
• M17: 30,768,841 km (0.091 R)
• M18: 34,508,938 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 14,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit