🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.5

Radius: 11.9

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.49 AU - 0.65 AU

Year: 292 Days

Day: 6.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,548,634 km

• M1: 148,700 km (0.08 R)
• M2: 735,274 km (0.089 R)
• M3: 1,114,205 km (0.089 R)
• M4: 1,533,528 km (0.098 R)
• M5: 1,981,573 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.5

Radius: 8.7

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.53 AU - 0.77 AU

Year: 355 Days

Day: 14.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,548,634 km

• M1: 112,498 km (0.088 R)
• M2: 413,937 km (0.081 R)
• M3: 796,908 km (0.101 R)
• M4: 1,145,321 km (0.078 R)
• M5: 1,431,053 km (0.054 R)
• M6: 1,750,295 km (0.119 R)
• M7: 2,083,898 km (0.082 R)
• M8: 2,582,508 km (0.06 R)
• M9: 2,943,488 km (0.106 R)
• M10: 3,512,708 km (0.059 R)
• M11: 3,970,327 km (0.106 R)
• M12: 4,439,167 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.6

Radius: 10.7

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.55 AU - 0.91 AU

Year: 423 Days

Day: 8.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,548,634 km

• M1: 133,441 km (0.098 R)
• M2: 495,319 km (0.104 R)
• M3: 945,159 km (0.086 R)
• M4: 1,285,644 km (0.062 R)
• M5: 1,747,154 km (0.064 R)
• M6: 2,345,096 km (0.094 R)
• M7: 2,847,745 km (0.116 R)
• M8: 3,628,945 km (0.084 R)
• M9: 4,635,290 km (0.049 R)
• M10: 5,365,328 km (0.107 R)
• M11: 5,732,590 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.3

Radius: 9.9

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.74 AU - 0.8 AU

Year: 458 Days

Day: 8.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,548,634 km

• M1: 127,906 km (0.046 R)
• M2: 485,894 km (0.058 R)
• M3: 943,364 km (0.12 R)
• M4: 1,329,177 km (0.114 R)
• M5: 2,075,670 km (0.053 R)
• M6: 2,650,874 km (0.119 R)
• M7: 3,604,112 km (0.085 R)
• M8: 4,038,843 km (0.067 R)
• M9: 5,458,078 km (0.09 R)
• M10: 5,791,382 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.1

Radius: 12.7

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.73 AU - 0.95 AU

Year: 522 Days

Day: 14.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,548,634 km

• M1: 158,424 km (0.096 R)
• M2: 643,869 km (0.106 R)
• M3: 1,436,888 km (0.089 R)
• M4: 2,122,046 km (0.098 R)
• M5: 2,634,867 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.2

Radius: 14.5

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.91 AU - 1.95 AU

Year: 1819 Days

Day: 12.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,548,634 km

• M1: 180,415 km (0.104 R)
• M2: 673,789 km (0.075 R)
• M3: 1,266,645 km (0.095 R)
• M4: 1,928,317 km (0.095 R)
• M5: 2,410,470 km (0.051 R)
• M6: 3,138,863 km (0.076 R)
• M7: 3,928,141 km (0.096 R)
• M8: 4,423,759 km (0.099 R)
• M9: 5,521,807 km (0.115 R)
• M10: 6,079,807 km (0.099 R)
• M11: 6,890,628 km (0.05 R)
• M12: 7,513,104 km (0.094 R)
• M13: 8,282,037 km (0.089 R)
• M14: 8,842,431 km (0.094 R)
• M15: 9,700,225 km (0.114 R)
• M16: 10,323,599 km (0.106 R)
• M17: 11,241,233 km (0.114 R)
• M18: 11,754,802 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.6

Radius: 5.8

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 9.34 AU - 11.1 AU

Year: 22160 Days

Day: 15.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,548,634 km

• M1: 72,106 km (0.104 R)
• M2: 654,790 km (0.118 R)
• M3: 1,054,665 km (0.112 R)
• M4: 1,837,062 km (0.09 R)
• M5: 2,446,823 km (0.117 R)
• M6: 2,691,565 km (0.055 R)
• M7: 3,066,308 km (0.12 R)
• M8: 3,425,342 km (0.096 R)
• M9: 3,919,763 km (0.083 R)
• M10: 4,169,891 km (0.116 R)
• M11: 5,866,331 km (0.11 R)
• M12: 6,767,957 km (0.099 R)
• M13: 8,516,008 km (0.071 R)
• M14: 9,079,843 km (0.108 R)
• M15: 11,699,152 km (0.076 R)
• M16: 12,753,817 km (0.095 R)
• M17: 14,321,603 km (0.094 R)
• M18: 25,530,373 km (0.049 R)
• M19: 25,722,755 km (0.106 R)
• M20: 37,859,481 km (0.096 R)
• M21: 40,151,620 km (0.112 R)
• M22: 47,000,809 km (0.062 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 13,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit