🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.4

Radius: 14.5

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.46 AU - 0.66 AU

Year: 284 Days

Day: 7.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 138.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,846,110 km

• M1: 180,265 km (0.072 R)
• M2: 834,607 km (0.07 R)
• M3: 1,354,160 km (0.032 R)
• M4: 1,935,497 km (0.116 R)
• M5: 2,952,613 km (0.032 R)
• M6: 3,709,878 km (0.099 R)
• M7: 4,842,932 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.5

Radius: 11.4

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.76 AU - 1.14 AU

Year: 628 Days

Day: 5.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,846,110 km

• M1: 141,819 km (0.07 R)
• M2: 545,434 km (0.087 R)
• M3: 908,657 km (0.11 R)
• M4: 1,412,353 km (0.067 R)
• M5: 1,783,655 km (0.073 R)
• M6: 2,254,290 km (0.086 R)
• M7: 3,260,934 km (0.097 R)
• M8: 4,096,887 km (0.104 R)
• M9: 4,545,232 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.7

Radius: 9.5

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.03 AU - 3.67 AU

Year: 4159 Days

Day: 10.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,846,110 km

• M1: 119,080 km (0.103 R)
• M2: 476,170 km (0.097 R)
• M3: 840,142 km (0.116 R)
• M4: 1,169,706 km (0.035 R)
• M5: 1,632,711 km (0.095 R)
• M6: 2,088,237 km (0.051 R)
• M7: 5,480,967 km (0.105 R)
• M8: 6,151,764 km (0.042 R)
• M9: 8,138,274 km (0.111 R)
• M10: 9,011,177 km (0.041 R)
• M11: 9,705,760 km (0.109 R)
• M12: 10,394,210 km (0.089 R)
• M13: 14,027,493 km (0.107 R)
• M14: 14,437,092 km (0.105 R)
• M15: 15,659,307 km (0.058 R)
• M16: 16,155,822 km (0.038 R)
• M17: 18,613,117 km (0.04 R)
• M18: 19,421,693 km (0.083 R)
• M19: 19,930,775 km (0.079 R)
• M20: 20,253,457 km (0.039 R)
• M21: 21,175,579 km (0.11 R)
• M22: 23,891,678 km (0.043 R)
• M23: 24,995,560 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.7

Radius: 13

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.53 AU - 4.55 AU

Year: 5508 Days

Day: 8.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,846,110 km

• M1: 170,990 km (0.086 R)
• M2: 612,753 km (0.062 R)
• M3: 1,052,720 km (0.118 R)
• M4: 1,908,270 km (0.065 R)
• M5: 2,703,084 km (0.094 R)
• M6: 3,335,883 km (0.119 R)
• M7: 3,770,016 km (0.12 R)
• M8: 4,539,248 km (0.086 R)
• M9: 5,150,954 km (0.079 R)
• M10: 5,597,952 km (0.088 R)
• M11: 6,691,812 km (0.11 R)
• M12: 8,236,111 km (0.117 R)
• M13: 8,886,712 km (0.046 R)
• M14: 10,331,528 km (0.096 R)
• M15: 12,951,735 km (0.088 R)
• M16: 13,436,133 km (0.094 R)
• M17: 15,015,288 km (0.093 R)
• M18: 17,523,296 km (0.109 R)
• M19: 19,343,005 km (0.096 R)
• M20: 21,486,742 km (0.103 R)
• M21: 22,373,409 km (0.047 R)
• M22: 24,292,450 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.9

Radius: 6.5

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.87 AU - 8.35 AU

Year: 12859 Days

Day: 21.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,846,110 km

• M1: 81,531 km (0.091 R)
• M2: 390,899 km (0.094 R)
• M3: 1,294,620 km (0.118 R)
• M4: 1,592,320 km (0.06 R)
• M5: 1,820,905 km (0.075 R)
• M6: 2,071,482 km (0.032 R)
• M7: 2,520,724 km (0.096 R)
• M8: 3,820,730 km (0.096 R)
• M9: 4,348,960 km (0.099 R)
• M10: 6,452,007 km (0.11 R)
• M11: 8,092,497 km (0.094 R)
• M12: 8,914,388 km (0.052 R)
• M13: 9,297,059 km (0.05 R)
• M14: 9,591,168 km (0.032 R)
• M15: 10,249,698 km (0.067 R)
• M16: 12,347,509 km (0.09 R)
• M17: 13,004,543 km (0.113 R)
• M18: 13,496,869 km (0.081 R)
• M19: 15,115,518 km (0.106 R)
• M20: 16,500,346 km (0.114 R)
• M21: 22,012,878 km (0.071 R)
• M22: 28,433,319 km (0.1 R)
• M23: 32,289,653 km (0.059 R)
• M24: 37,212,770 km (0.094 R)
• M25: 38,454,581 km (0.109 R)
• M26: 38,832,466 km (0.091 R)
• M27: 43,289,585 km (0.05 R)
• M28: 48,955,754 km (0.06 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 12,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit