🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.4

Radius: 14.5

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.6 AU - 0.9 AU

Year: 448 Days

Day: 13.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,583,110 km

• M1: 180,265 km (0.103 R)
• M2: 635,342 km (0.101 R)
• M3: 1,354,459 km (0.069 R)
• M4: 1,989,652 km (0.088 R)
• M5: 2,473,601 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.4

Radius: 9.9

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.77 AU - 0.79 AU

Year: 476 Days

Day: 7.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,583,110 km

• M1: 123,119 km (0.064 R)
• M2: 542,591 km (0.107 R)
• M3: 864,676 km (0.028 R)
• M4: 1,426,266 km (0.116 R)
• M5: 1,775,577 km (0.083 R)
• M6: 2,261,920 km (0.083 R)
• M7: 2,660,748 km (0.104 R)
• M8: 2,974,155 km (0.096 R)
• M9: 3,324,065 km (0.088 R)
• M10: 4,120,973 km (0.119 R)
• M11: 4,557,499 km (0.087 R)
• M12: 5,009,135 km (0.063 R)
• M13: 5,342,888 km (0.084 R)
• M14: 5,949,807 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.6

Radius: 8.7

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.89 AU - 1.35 AU

Year: 818 Days

Day: 5.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,583,110 km

• M1: 108,159 km (0.069 R)
• M2: 395,686 km (0.061 R)
• M3: 714,031 km (0.07 R)
• M4: 1,025,643 km (0.056 R)
• M5: 1,574,667 km (0.102 R)
• M6: 1,985,014 km (0.106 R)
• M7: 2,308,295 km (0.076 R)
• M8: 2,690,966 km (0.098 R)
• M9: 3,035,191 km (0.044 R)
• M10: 4,574,703 km (0.085 R)
• M11: 4,973,381 km (0.069 R)
• M12: 6,332,179 km (0.101 R)
• M13: 7,670,182 km (0.045 R)
• M14: 8,526,031 km (0.11 R)
• M15: 8,797,552 km (0.095 R)
• M16: 9,300,799 km (0.034 R)
• M17: 9,793,724 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.6

Radius: 9.5

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.1 AU - 2.9 AU

Year: 2728 Days

Day: 5.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,583,110 km

• M1: 144,811 km (0.107 R)
• M2: 452,384 km (0.096 R)
• M3: 1,014,872 km (0.117 R)
• M4: 2,488,860 km (0.093 R)
• M5: 3,251,809 km (0.066 R)
• M6: 3,911,087 km (0.094 R)
• M7: 6,590,833 km (0.089 R)
• M8: 7,526,269 km (0.112 R)
• M9: 8,197,515 km (0.105 R)
• M10: 10,750,701 km (0.12 R)
• M11: 12,372,641 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.7

Radius: 12.5

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.31 AU - 4.35 AU

Year: 5174 Days

Day: 10.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,583,110 km

• M1: 286,031 km (0.119 R)
• M2: 1,155,494 km (0.105 R)
• M3: 2,578,469 km (0.11 R)
• M4: 3,701,650 km (0.11 R)
• M5: 4,826,177 km (0.103 R)
• M6: 5,468,101 km (0.058 R)
• M7: 7,406,291 km (0.081 R)
• M8: 8,843,179 km (0.113 R)
• M9: 10,128,823 km (0.056 R)
• M10: 11,270,404 km (0.079 R)
• M11: 13,558,653 km (0.042 R)
• M12: 21,036,453 km (0.119 R)
• M13: 24,850,001 km (0.046 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.2

Radius: 5.2

Gravity: 16.06 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.38 AU - 11.84 AU

Year: 20563 Days

Day: 21.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,583,110 km

• M1: 65,524 km (0.082 R)
• M2: 302,936 km (0.12 R)
• M3: 1,247,347 km (0.103 R)
• M4: 2,203,726 km (0.056 R)
• M5: 2,498,883 km (0.083 R)
• M6: 2,679,148 km (0.118 R)
• M7: 2,990,611 km (0.106 R)
• M8: 3,801,731 km (0.12 R)
• M9: 4,195,472 km (0.08 R)
• M10: 4,992,829 km (0.118 R)
• M11: 5,427,560 km (0.112 R)
• M12: 8,379,426 km (0.086 R)
• M13: 8,631,348 km (0.074 R)
• M14: 8,888,357 km (0.106 R)
• M15: 9,635,150 km (0.109 R)
• M16: 12,578,937 km (0.08 R)
• M17: 13,587,675 km (0.115 R)
• M18: 14,794,781 km (0.09 R)
• M19: 15,537,384 km (0.062 R)
• M20: 16,936,125 km (0.089 R)
• M21: 19,626,343 km (0.05 R)
• M22: 22,107,125 km (0.06 R)
• M23: 25,413,387 km (0.101 R)
• M24: 27,791,694 km (0.119 R)
• M25: 28,352,237 km (0.084 R)
• M26: 30,432,545 km (0.039 R)
• M27: 34,635,497 km (0.096 R)
• M28: 40,484,325 km (0.095 R)
• M29: 40,771,254 km (0.057 R)
• M30: 47,593,216 km (0.055 R)
• M31: 59,654,694 km (0.074 R)
• M32: 64,607,431 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 12,486 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit