🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.14 AU - 1.86 AU

Year: 814 Days

Day: 28.9 Hours

Environment

Temp: -95 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,191,406 km

• M1: 40,840 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.7 AU - 1.74 AU

Year: 999 Days

Day: 25.5 Hours

Environment

Temp: -106 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.5

Radius: 9.7

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.75 AU - 5.05 AU

Year: 4804 Days

Day: 9.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,191,406 km

• M1: 120,725 km (0.117 R)
• M2: 429,047 km (0.059 R)
• M3: 919,728 km (0.031 R)
• M4: 1,426,864 km (0.071 R)
• M5: 1,893,161 km (0.09 R)
• M6: 2,380,850 km (0.117 R)
• M7: 3,004,823 km (0.1 R)
• M8: 4,084,620 km (0.118 R)
• M9: 4,456,670 km (0.108 R)
• M10: 4,876,741 km (0.075 R)
• M11: 6,892,572 km (0.055 R)
• M12: 7,524,025 km (0.116 R)
• M13: 7,977,755 km (0.074 R)
• M14: 8,486,986 km (0.053 R)
• M15: 9,056,356 km (0.112 R)
• M16: 9,896,049 km (0.069 R)
• M17: 12,245,483 km (0.047 R)
• M18: 13,575,109 km (0.117 R)
• M19: 14,889,925 km (0.113 R)
• M20: 15,494,599 km (0.056 R)
• M21: 17,107,564 km (0.064 R)
• M22: 19,601,959 km (0.112 R)
• M23: 20,128,394 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.7

Radius: 12.6

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.01 AU - 5.39 AU

Year: 5252 Days

Day: 6.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,191,406 km

• M1: 156,779 km (0.057 R)
• M2: 567,425 km (0.1 R)
• M3: 1,038,359 km (0.116 R)
• M4: 1,485,656 km (0.076 R)
• M5: 2,699,494 km (0.047 R)
• M6: 3,484,434 km (0.104 R)
• M7: 4,416,279 km (0.11 R)
• M8: 4,874,946 km (0.104 R)
• M9: 5,769,691 km (0.109 R)
• M10: 6,319,463 km (0.037 R)
• M11: 8,370,749 km (0.064 R)
• M12: 9,779,512 km (0.092 R)
• M13: 12,353,942 km (0.031 R)
• M14: 13,584,833 km (0.1 R)
• M15: 14,066,837 km (0.079 R)
• M16: 14,727,462 km (0.035 R)
• M17: 15,992,162 km (0.108 R)
• M18: 25,383,168 km (0.091 R)
• M19: 27,113,866 km (0.092 R)
• M20: 29,452,978 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.6

Radius: 8.9

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.79 AU - 7.61 AU

Year: 6838 Days

Day: 13.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,191,406 km

• M1: 111,600 km (0.047 R)
• M2: 728,093 km (0.109 R)
• M3: 1,228,947 km (0.075 R)
• M4: 1,534,425 km (0.047 R)
• M5: 2,463,727 km (0.103 R)
• M6: 7,125,795 km (0.078 R)
• M7: 9,258,911 km (0.072 R)
• M8: 9,672,849 km (0.065 R)
• M9: 11,406,239 km (0.062 R)
• M10: 12,272,261 km (0.056 R)
• M11: 12,670,940 km (0.062 R)
• M12: 17,395,540 km (0.07 R)
• M13: 20,147,542 km (0.06 R)
• M14: 29,408,099 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772

Radius: 11.6

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.94 AU - 6.76 AU

Year: 7088 Days

Day: 12 Hours

Environment

Temp: -193 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,191,406 km

• M1: 146,606 km (0.093 R)
• M2: 683,662 km (0.104 R)
• M3: 1,957,039 km (0.061 R)
• M4: 2,469,861 km (0.1 R)
• M5: 2,847,296 km (0.103 R)
• M6: 3,418,760 km (0.118 R)
• M7: 5,354,257 km (0.096 R)
• M8: 9,156,138 km (0.067 R)
• M9: 11,348,644 km (0.042 R)
• M10: 11,815,389 km (0.119 R)
• M11: 15,960,148 km (0.088 R)
• M12: 16,678,966 km (0.118 R)
• M13: 17,971,192 km (0.113 R)
• M14: 21,140,722 km (0.114 R)
• M15: 21,689,746 km (0.094 R)
• M16: 22,168,011 km (0.072 R)
• M17: 26,976,535 km (0.089 R)
• M18: 27,715,848 km (0.107 R)
• M19: 33,169,289 km (0.111 R)

Asteroid Belt

Center: 9.39 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 12.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.3

Radius: 6.7

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 11.76 AU - 13.1 AU

Year: 19411 Days

Day: 19.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,191,406 km

• M1: 103,821 km (0.108 R)
• M2: 365,617 km (0.069 R)
• M3: 1,969,456 km (0.116 R)
• M4: 2,194,900 km (0.1 R)
• M5: 3,205,134 km (0.109 R)
• M6: 3,721,696 km (0.12 R)
• M7: 11,289,852 km (0.065 R)
• M8: 12,074,044 km (0.102 R)
• M9: 12,774,611 km (0.077 R)
• M10: 13,317,651 km (0.047 R)
• M11: 13,813,119 km (0.107 R)
• M12: 17,928,706 km (0.074 R)
• M13: 19,228,413 km (0.101 R)
• M14: 19,622,304 km (0.041 R)
• M15: 21,252,023 km (0.117 R)
• M16: 27,367,285 km (0.096 R)
• M17: 27,865,895 km (0.049 R)
• M18: 28,880,916 km (0.111 R)
• M19: 31,635,163 km (0.105 R)
• M20: 33,414,480 km (0.06 R)
• M21: 34,675,739 km (0.09 R)
• M22: 36,326,402 km (0.119 R)
• M23: 37,049,708 km (0.079 R)
• M24: 40,294,934 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.8

Radius: 6.4

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 15.22 AU - 17.1 AU

Year: 28774 Days

Day: 24.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,191,406 km

• M1: 86,318 km (0.069 R)
• M2: 519,105 km (0.085 R)
• M3: 879,486 km (0.079 R)
• M4: 1,078,750 km (0.09 R)
• M5: 1,723,966 km (0.088 R)
• M6: 1,924,726 km (0.108 R)
• M7: 2,161,689 km (0.096 R)
• M8: 2,462,830 km (0.066 R)
• M9: 4,681,815 km (0.092 R)
• M10: 5,300,402 km (0.08 R)
• M11: 8,798,748 km (0.112 R)
• M12: 9,014,020 km (0.075 R)
• M13: 12,409,891 km (0.108 R)
• M14: 12,680,963 km (0.102 R)
• M15: 16,736,711 km (0.084 R)
• M16: 17,828,177 km (0.065 R)
• M17: 19,598,817 km (0.104 R)
• M18: 20,432,526 km (0.088 R)
• M19: 21,193,381 km (0.074 R)
• M20: 28,674,022 km (0.11 R)
• M21: 28,910,387 km (0.074 R)
• M22: 31,470,754 km (0.102 R)
• M23: 31,848,489 km (0.083 R)
• M24: 33,651,143 km (0.041 R)
• M25: 34,178,476 km (0.108 R)
• M26: 45,433,023 km (0.117 R)
• M27: 49,050,898 km (0.096 R)
• M28: 52,856,219 km (0.108 R)
• M29: 54,287,422 km (0.091 R)
• M30: 56,667,823 km (0.109 R)
• M31: 60,853,123 km (0.028 R)
• M32: 68,559,657 km (0.073 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 12,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit