🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.8

Radius: 9.1

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.54 AU - 0.76 AU

Year: 349 Days

Day: 11.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,108,296 km

• M1: 113,246 km (0.118 R)
• M2: 422,913 km (0.119 R)
• M3: 710,889 km (0.094 R)
• M4: 1,018,911 km (0.097 R)
• M5: 1,730,847 km (0.118 R)
• M6: 2,220,930 km (0.077 R)
• M7: 2,656,709 km (0.049 R)
• M8: 3,053,891 km (0.094 R)
• M9: 3,606,057 km (0.039 R)
• M10: 3,906,449 km (0.1 R)
• M11: 4,766,487 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.4

Radius: 12.3

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.35 AU - 1.61 AU

Year: 1201 Days

Day: 12.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,108,296 km

• M1: 153,338 km (0.1 R)
• M2: 767,437 km (0.052 R)
• M3: 1,220,569 km (0.086 R)
• M4: 1,670,709 km (0.082 R)
• M5: 2,186,822 km (0.08 R)
• M6: 2,727,618 km (0.073 R)
• M7: 3,205,733 km (0.067 R)
• M8: 3,592,742 km (0.066 R)
• M9: 3,976,461 km (0.028 R)
• M10: 4,462,205 km (0.099 R)
• M11: 4,886,914 km (0.11 R)
• M12: 5,707,009 km (0.092 R)
• M13: 6,232,397 km (0.076 R)
• M14: 8,230,576 km (0.08 R)
• M15: 9,114,101 km (0.113 R)
• M16: 10,556,972 km (0.056 R)
• M17: 13,135,291 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.7

Radius: 14.4

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.8 AU - 2.04 AU

Year: 1774 Days

Day: 12.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,108,296 km

• M1: 179,069 km (0.049 R)
• M2: 630,405 km (0.112 R)
• M3: 1,369,718 km (0.063 R)
• M4: 1,825,692 km (0.086 R)
• M5: 2,614,372 km (0.061 R)
• M6: 3,148,586 km (0.085 R)
• M7: 3,605,159 km (0.111 R)
• M8: 4,345,818 km (0.088 R)
• M9: 5,874,260 km (0.074 R)
• M10: 7,487,972 km (0.079 R)
• M11: 8,606,964 km (0.081 R)
• M12: 10,100,399 km (0.113 R)
• M13: 10,751,001 km (0.1 R)
• M14: 11,502,431 km (0.12 R)
• M15: 12,250,420 km (0.076 R)
• M16: 12,832,655 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.8

Radius: 8

Gravity: 13.01 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.39 AU - 5.03 AU

Year: 5760 Days

Day: 10.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,108,296 km

• M1: 99,483 km (0.109 R)
• M2: 357,389 km (0.075 R)
• M3: 1,213,987 km (0.066 R)
• M4: 1,747,303 km (0.098 R)
• M5: 2,178,444 km (0.039 R)
• M6: 2,551,541 km (0.097 R)
• M7: 2,907,584 km (0.112 R)
• M8: 3,275,146 km (0.064 R)
• M9: 3,559,681 km (0.089 R)
• M10: 3,981,099 km (0.087 R)
• M11: 4,383,068 km (0.112 R)
• M12: 5,357,549 km (0.064 R)
• M13: 5,753,983 km (0.115 R)
• M14: 7,026,163 km (0.096 R)
• M15: 7,539,134 km (0.096 R)
• M16: 8,234,914 km (0.118 R)
• M17: 9,015,067 km (0.094 R)
• M18: 10,913,314 km (0.059 R)
• M19: 12,422,458 km (0.087 R)
• M20: 12,740,203 km (0.105 R)
• M21: 13,726,203 km (0.114 R)
• M22: 14,762,168 km (0.062 R)
• M23: 16,160,609 km (0.071 R)
• M24: 16,731,175 km (0.113 R)
• M25: 20,220,995 km (0.087 R)
• M26: 22,407,367 km (0.063 R)
• M27: 22,720,925 km (0.09 R)
• M28: 23,678,800 km (0.064 R)
• M29: 24,332,243 km (0.075 R)
• M30: 24,830,105 km (0.094 R)
• M31: 27,781,073 km (0.111 R)
• M32: 28,325,010 km (0.066 R)
• M33: 29,247,281 km (0.054 R)
• M34: 30,189,449 km (0.106 R)
• M35: 35,100,597 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.9

Radius: 14.4

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.72 AU - 5.42 AU

Year: 6515 Days

Day: 7.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,108,296 km

• M1: 179,069 km (0.046 R)
• M2: 966,103 km (0.055 R)
• M3: 1,826,291 km (0.047 R)
• M4: 2,274,187 km (0.058 R)
• M5: 5,003,151 km (0.117 R)
• M6: 6,137,701 km (0.093 R)
• M7: 8,166,249 km (0.087 R)
• M8: 9,437,082 km (0.118 R)
• M9: 10,577,617 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.3

Radius: 11.5

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.42 AU - 5.68 AU

Year: 7568 Days

Day: 5.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,108,296 km

• M1: 143,016 km (0.094 R)
• M2: 820,245 km (0.097 R)
• M3: 1,597,107 km (0.049 R)
• M4: 2,729,413 km (0.047 R)
• M5: 4,621,976 km (0.116 R)
• M6: 5,987,056 km (0.101 R)
• M7: 8,131,691 km (0.091 R)
• M8: 8,986,942 km (0.116 R)
• M9: 13,978,425 km (0.077 R)
• M10: 22,289,933 km (0.057 R)
• M11: 23,151,766 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.5

Radius: 7.1

Gravity: 11.95 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.51 AU - 10.91 AU

Year: 21755 Days

Day: 22 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,108,296 km

• M1: 95,294 km (0.085 R)
• M2: 473,477 km (0.111 R)
• M3: 1,025,344 km (0.074 R)
• M4: 2,147,178 km (0.063 R)
• M5: 3,833,595 km (0.039 R)
• M6: 4,348,062 km (0.084 R)
• M7: 9,039,152 km (0.068 R)
• M8: 9,261,006 km (0.108 R)
• M9: 9,715,783 km (0.096 R)
• M10: 10,793,486 km (0.072 R)
• M11: 12,625,013 km (0.105 R)
• M12: 14,730,454 km (0.097 R)
• M13: 20,184,194 km (0.08 R)
• M14: 28,478,049 km (0.095 R)
• M15: 35,663,085 km (0.088 R)
• M16: 37,345,762 km (0.095 R)
• M17: 40,868,493 km (0.031 R)
• M18: 48,736,294 km (0.069 R)
• M19: 56,987,813 km (0.093 R)
• M20: 62,641,266 km (0.112 R)
• M21: 76,647,067 km (0.098 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 14,261 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit