🌌 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: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.4

Radius: 14.9

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.66 AU - 0.98 AU

Year: 495 Days

Day: 11.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 130.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,193,511 km

• M1: 185,352 km (0.087 R)
• M2: 698,921 km (0.053 R)
• M3: 1,309,729 km (0.082 R)
• M4: 1,860,399 km (0.098 R)
• M5: 2,349,285 km (0.073 R)
• M6: 3,364,456 km (0.088 R)
• M7: 4,128,602 km (0.079 R)
• M8: 4,670,745 km (0.086 R)
• M9: 5,473,636 km (0.115 R)
• M10: 6,112,419 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.8

Radius: 12.8

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.18 AU - 1.54 AU

Year: 1058 Days

Day: 14.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,193,511 km

• M1: 159,172 km (0.116 R)
• M2: 691,441 km (0.098 R)
• M3: 1,978,133 km (0.113 R)
• M4: 2,881,255 km (0.107 R)
• M5: 3,592,144 km (0.104 R)
• M6: 5,022,898 km (0.108 R)
• M7: 5,741,267 km (0.103 R)
• M8: 7,452,068 km (0.12 R)
• M9: 8,412,636 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.6

Radius: 12.1

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.67 AU - 2.71 AU

Year: 2161 Days

Day: 7.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,193,511 km

• M1: 150,495 km (0.041 R)
• M2: 573,558 km (0.083 R)
• M3: 1,081,443 km (0.086 R)
• M4: 1,500,018 km (0.041 R)
• M5: 1,876,705 km (0.034 R)
• M6: 2,278,226 km (0.114 R)
• M7: 3,377,920 km (0.116 R)
• M8: 4,255,611 km (0.106 R)
• M9: 5,026,189 km (0.112 R)
• M10: 5,421,277 km (0.098 R)
• M11: 6,117,655 km (0.099 R)
• M12: 7,449,525 km (0.03 R)
• M13: 8,027,123 km (0.117 R)
• M14: 8,700,163 km (0.101 R)
• M15: 11,414,916 km (0.107 R)
• M16: 11,978,002 km (0.037 R)
• M17: 13,689,701 km (0.097 R)
• M18: 14,096,308 km (0.044 R)
• M19: 14,744,815 km (0.104 R)
• M20: 16,301,979 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.1

Radius: 12.2

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.05 AU - 3.29 AU

Year: 2909 Days

Day: 12.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 150.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,193,511 km

• M1: 151,991 km (0.089 R)
• M2: 595,100 km (0.072 R)
• M3: 1,317,957 km (0.07 R)
• M4: 2,258,329 km (0.105 R)
• M5: 3,737,254 km (0.056 R)
• M6: 6,023,558 km (0.097 R)
• M7: 7,049,201 km (0.03 R)
• M8: 9,408,808 km (0.078 R)
• M9: 10,082,148 km (0.108 R)
• M10: 10,787,502 km (0.065 R)
• M11: 11,609,543 km (0.052 R)
• M12: 12,253,113 km (0.085 R)
• M13: 13,705,708 km (0.058 R)
• M14: 14,670,016 km (0.05 R)
• M15: 19,878,116 km (0.094 R)
• M16: 20,427,739 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273

Radius: 10.7

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.64 AU - 4.14 AU

Year: 5116 Days

Day: 5 Hours

Environment

Temp: -212 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,193,511 km

• M1: 133,142 km (0.094 R)
• M2: 513,869 km (0.112 R)
• M3: 1,354,310 km (0.1 R)
• M4: 1,992,195 km (0.104 R)
• M5: 2,756,042 km (0.093 R)
• M6: 4,623,921 km (0.116 R)
• M7: 6,350,280 km (0.09 R)
• M8: 7,124,150 km (0.062 R)
• M9: 7,502,034 km (0.108 R)
• M10: 8,093,843 km (0.097 R)
• M11: 8,505,537 km (0.087 R)
• M12: 10,737,088 km (0.092 R)
• M13: 11,192,613 km (0.028 R)
• M14: 12,591,802 km (0.06 R)
• M15: 14,104,237 km (0.059 R)
• M16: 19,731,959 km (0.072 R)
• M17: 20,479,350 km (0.114 R)
• M18: 21,439,918 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.8

Radius: 14.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.22 AU - 6.52 AU

Year: 8298 Days

Day: 9.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,193,511 km

• M1: 190,438 km (0.12 R)
• M2: 674,537 km (0.049 R)
• M3: 1,278,613 km (0.049 R)
• M4: 2,547,951 km (0.111 R)
• M5: 3,566,563 km (0.113 R)
• M6: 4,650,998 km (0.101 R)
• M7: 11,777,392 km (0.105 R)
• M8: 12,505,036 km (0.112 R)
• M9: 14,050,382 km (0.11 R)
• M10: 17,187,299 km (0.069 R)
• M11: 21,905,317 km (0.089 R)
• M12: 23,571,388 km (0.082 R)
• M13: 24,980,900 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.6

Radius: 3.4

Gravity: 37.68 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.97 AU - 8.25 AU

Year: 12643 Days

Day: 18.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,193,511 km

• M1: 46,974 km (0.101 R)
• M2: 183,108 km (0.038 R)
• M3: 291,566 km (0.101 R)
• M4: 488,138 km (0.094 R)
• M5: 707,897 km (0.104 R)
• M6: 878,887 km (0.11 R)
• M7: 3,123,903 km (0.085 R)
• M8: 3,508,818 km (0.087 R)
• M9: 4,285,381 km (0.062 R)
• M10: 5,235,327 km (0.091 R)
• M11: 6,851,882 km (0.108 R)
• M12: 7,457,155 km (0.089 R)
• M13: 8,680,865 km (0.094 R)
• M14: 8,912,742 km (0.082 R)
• M15: 10,185,072 km (0.04 R)
• M16: 12,783,587 km (0.065 R)
• M17: 13,822,694 km (0.072 R)
• M18: 15,518,984 km (0.056 R)
• M19: 20,600,824 km (0.115 R)
• M20: 22,455,987 km (0.099 R)
• M21: 25,160,866 km (0.032 R)
• M22: 25,348,611 km (0.11 R)
• M23: 27,574,478 km (0.041 R)
• M24: 28,378,267 km (0.114 R)
• M25: 29,717,617 km (0.094 R)
• M26: 30,562,396 km (0.103 R)
• M27: 38,773,075 km (0.065 R)
• M28: 41,849,556 km (0.106 R)
• M29: 41,981,202 km (0.092 R)
• M30: 47,332,018 km (0.025 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 15,828 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit