🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508

Radius: 13.8

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.51 AU - 0.53 AU

Year: 259 Days

Day: 13.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 136.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,270,568 km

• M1: 174,132 km (0.053 R)
• M2: 808,128 km (0.093 R)
• M3: 1,301,352 km (0.085 R)
• M4: 1,731,595 km (0.097 R)
• M5: 2,485,269 km (0.06 R)
• M6: 3,031,152 km (0.064 R)
• M7: 3,520,935 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396

Radius: 13.4

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.41 AU - 0.67 AU

Year: 274 Days

Day: 6.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,270,568 km

• M1: 167,400 km (0.07 R)
• M2: 589,116 km (0.093 R)
• M3: 1,011,730 km (0.098 R)
• M4: 1,716,486 km (0.081 R)
• M5: 2,218,387 km (0.091 R)
• M6: 2,656,709 km (0.109 R)
• M7: 3,200,646 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.5

Radius: 8.1

Gravity: 12.64 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.52 AU - 0.62 AU

Year: 297 Days

Day: 10.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,270,568 km

• M1: 100,679 km (0.094 R)
• M2: 424,260 km (0.089 R)
• M3: 815,308 km (0.032 R)
• M4: 1,364,781 km (0.117 R)
• M5: 1,684,322 km (0.071 R)
• M6: 2,413,612 km (0.078 R)
• M7: 2,935,260 km (0.04 R)
• M8: 4,294,207 km (0.067 R)
• M9: 4,729,537 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575

Radius: 14.5

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.96 AU - 1.1 AU

Year: 722 Days

Day: 14.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,270,568 km

• M1: 181,761 km (0.088 R)
• M2: 810,521 km (0.096 R)
• M3: 1,320,201 km (0.09 R)
• M4: 1,825,842 km (0.102 R)
• M5: 2,717,445 km (0.031 R)
• M6: 3,257,793 km (0.05 R)
• M7: 3,855,736 km (0.093 R)
• M8: 5,016,316 km (0.048 R)
• M9: 5,541,554 km (0.077 R)
• M10: 6,220,429 km (0.086 R)
• M11: 7,519,687 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.4

Radius: 8.5

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.29 AU - 1.59 AU

Year: 1193 Days

Day: 7.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,270,568 km

• M1: 107,561 km (0.114 R)
• M2: 374,294 km (0.09 R)
• M3: 659,427 km (0.063 R)
• M4: 971,489 km (0.117 R)
• M5: 1,247,796 km (0.097 R)
• M6: 1,834,967 km (0.069 R)
• M7: 2,796,732 km (0.117 R)
• M8: 3,218,149 km (0.066 R)
• M9: 3,652,282 km (0.03 R)
• M10: 5,173,842 km (0.116 R)
• M11: 5,612,463 km (0.09 R)
• M12: 7,193,563 km (0.079 R)
• M13: 9,024,641 km (0.031 R)

Asteroid Belt

Center: 4.1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.3

Radius: 4.9

Gravity: 15.34 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.6 AU - 7.9 AU

Year: 12105 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 44,270,568 km

• M1: 61,335 km (0.049 R)
• M2: 228,735 km (0.119 R)
• M3: 1,052,421 km (0.09 R)
• M4: 1,290,730 km (0.082 R)
• M5: 1,592,619 km (0.085 R)
• M6: 2,158,099 km (0.095 R)
• M7: 2,373,669 km (0.108 R)
• M8: 2,703,682 km (0.111 R)
• M9: 3,041,474 km (0.091 R)
• M10: 3,826,863 km (0.085 R)
• M11: 4,680,319 km (0.119 R)
• M12: 5,167,260 km (0.027 R)
• M13: 5,554,120 km (0.074 R)
• M14: 7,100,065 km (0.098 R)
• M15: 8,291,462 km (0.112 R)
• M16: 9,002,800 km (0.097 R)
• M17: 9,373,503 km (0.046 R)
• M18: 10,597,364 km (0.109 R)
• M19: 10,854,373 km (0.099 R)
• M20: 11,115,421 km (0.083 R)
• M21: 11,704,687 km (0.048 R)
• M22: 12,314,448 km (0.106 R)
• M23: 14,023,304 km (0.104 R)
• M24: 21,365,119 km (0.057 R)
• M25: 23,295,680 km (0.12 R)
• M26: 24,081,667 km (0.099 R)
• M27: 28,180,798 km (0.095 R)
• M28: 29,881,427 km (0.09 R)
• M29: 31,017,772 km (0.095 R)
• M30: 32,182,392 km (0.1 R)
• M31: 39,542,607 km (0.07 R)
• M32: 39,789,144 km (0.042 R)
• M33: 41,037,089 km (0.072 R)
• M34: 42,827,626 km (0.105 R)
• M35: 43,218,077 km (0.114 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 15,109 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit