🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.5

Radius: 13.4

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.92 AU - 0.94 AU

Year: 579 Days

Day: 10.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,153,873 km

• M1: 166,652 km (0.095 R)
• M2: 633,697 km (0.065 R)
• M3: 1,143,526 km (0.09 R)
• M4: 1,567,935 km (0.099 R)
• M5: 1,998,029 km (0.086 R)
• M6: 2,528,054 km (0.028 R)
• M7: 2,992,107 km (0.054 R)
• M8: 3,488,323 km (0.113 R)
• M9: 4,293,010 km (0.064 R)
• M10: 4,770,975 km (0.108 R)
• M11: 5,641,485 km (0.076 R)
• M12: 6,105,987 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.9

Radius: 11.6

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.53 AU - 1.91 AU

Year: 1456 Days

Day: 14.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,153,873 km

• M1: 145,409 km (0.111 R)
• M2: 521,947 km (0.097 R)
• M3: 896,989 km (0.041 R)
• M4: 1,303,147 km (0.106 R)
• M5: 1,742,666 km (0.081 R)
• M6: 2,257,432 km (0.117 R)
• M7: 2,773,844 km (0.089 R)
• M8: 3,384,203 km (0.113 R)
• M9: 3,939,062 km (0.087 R)
• M10: 4,323,079 km (0.096 R)
• M11: 6,918,154 km (0.114 R)
• M12: 7,590,596 km (0.119 R)
• M13: 8,910,498 km (0.098 R)
• M14: 9,318,900 km (0.063 R)
• M15: 10,309,238 km (0.095 R)
• M16: 10,972,106 km (0.091 R)
• M17: 12,228,728 km (0.056 R)
• M18: 14,120,842 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.8

Radius: 14.8

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.61 AU - 4.17 AU

Year: 4954 Days

Day: 5.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,153,873 km

• M1: 184,155 km (0.118 R)
• M2: 747,391 km (0.093 R)
• M3: 1,224,459 km (0.07 R)
• M4: 1,887,626 km (0.117 R)
• M5: 2,661,645 km (0.058 R)
• M6: 3,640,464 km (0.037 R)
• M7: 4,901,574 km (0.064 R)
• M8: 5,964,467 km (0.086 R)
• M9: 6,900,950 km (0.116 R)
• M10: 7,675,268 km (0.057 R)
• M11: 11,224,029 km (0.106 R)
• M12: 15,687,282 km (0.113 R)
• M13: 20,426,991 km (0.097 R)
• M14: 21,288,226 km (0.047 R)
• M15: 29,706,248 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.3

Radius: 13.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.03 AU - 5.59 AU

Year: 7901 Days

Day: 11.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,153,873 km

• M1: 172,337 km (0.097 R)
• M2: 1,025,942 km (0.082 R)
• M3: 1,566,439 km (0.086 R)
• M4: 2,927,930 km (0.109 R)
• M5: 3,695,815 km (0.084 R)
• M6: 4,779,652 km (0.038 R)
• M7: 5,484,408 km (0.059 R)
• M8: 5,971,199 km (0.112 R)
• M9: 6,453,652 km (0.06 R)
• M10: 6,892,871 km (0.101 R)
• M11: 8,936,079 km (0.055 R)
• M12: 17,132,696 km (0.078 R)
• M13: 18,920,540 km (0.109 R)
• M14: 21,197,121 km (0.093 R)
• M15: 23,491,952 km (0.049 R)
• M16: 25,611,155 km (0.025 R)
• M17: 26,890,217 km (0.034 R)
• M18: 27,766,262 km (0.119 R)
• M19: 30,792,777 km (0.057 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.4

Radius: 3.2

Gravity: 58.44 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.29 AU - 9.21 AU

Year: 13931 Days

Day: 22.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,153,873 km

• M1: 40,691 km (0.109 R)
• M2: 224,995 km (0.083 R)
• M3: 340,634 km (0.039 R)
• M4: 444,006 km (0.102 R)
• M5: 1,164,021 km (0.104 R)
• M6: 1,660,237 km (0.062 R)
• M7: 1,911,262 km (0.075 R)
• M8: 2,245,165 km (0.085 R)
• M9: 2,488,561 km (0.096 R)
• M10: 2,638,458 km (0.097 R)
• M11: 3,100,117 km (0.064 R)
• M12: 4,241,100 km (0.072 R)
• M13: 4,838,893 km (0.119 R)
• M14: 9,285,390 km (0.075 R)
• M15: 12,070,603 km (0.099 R)
• M16: 12,314,897 km (0.119 R)
• M17: 14,525,953 km (0.114 R)
• M18: 14,732,997 km (0.088 R)
• M19: 20,741,745 km (0.039 R)
• M20: 23,090,132 km (0.087 R)
• M21: 25,210,532 km (0.105 R)
• M22: 25,409,647 km (0.12 R)
• M23: 26,012,826 km (0.098 R)
• M24: 30,958,083 km (0.118 R)
• M25: 32,226,972 km (0.102 R)
• M26: 33,530,119 km (0.12 R)
• M27: 35,737,585 km (0.105 R)
• M28: 36,367,542 km (0.118 R)
• M29: 40,032,689 km (0.101 R)
• M30: 46,874,847 km (0.112 R)
• M31: 47,326,633 km (0.115 R)
• M32: 48,545,556 km (0.094 R)
• M33: 49,162,797 km (0.102 R)
• M34: 49,629,094 km (0.091 R)
• M35: 53,795,095 km (0.074 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: 332 - 13,152 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit