🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.57 AU - 0.75 AU

Year: 191 Days

Day: 19 Hours

Environment

Temp: 183 °C

Axial Tilt: 4.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 43,593,296 km

• M1: 214,972 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.09 AU - 1.29 AU

Year: 463 Days

Day: 14.1 Hours

Environment

Temp: 12 °C

Axial Tilt: 12.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 4.63 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.1

Radius: 14.7

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.73 AU - 9.41 AU

Year: 8172 Days

Day: 12.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,593,296 km

• M1: 182,809 km (0.056 R)
• M2: 907,760 km (0.102 R)
• M3: 1,749,846 km (0.087 R)
• M4: 2,284,060 km (0.114 R)
• M5: 3,248,967 km (0.1 R)
• M6: 3,739,648 km (0.115 R)
• M7: 4,306,923 km (0.103 R)
• M8: 5,204,510 km (0.073 R)
• M9: 6,949,120 km (0.079 R)
• M10: 7,609,744 km (0.109 R)
• M11: 8,227,284 km (0.053 R)
• M12: 9,704,115 km (0.115 R)
• M13: 10,431,310 km (0.116 R)
• M14: 12,662,113 km (0.117 R)
• M15: 13,590,518 km (0.068 R)
• M16: 18,558,364 km (0.05 R)
• M17: 20,530,961 km (0.1 R)
• M18: 22,223,661 km (0.116 R)
• M19: 23,920,550 km (0.091 R)
• M20: 27,571,187 km (0.118 R)
• M21: 32,211,114 km (0.069 R)
• M22: 33,940,017 km (0.112 R)
• M23: 37,113,437 km (0.065 R)
• M24: 39,864,093 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.5

Radius: 10.9

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 7.8 AU - 10.52 AU

Year: 9882 Days

Day: 7.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,593,296 km

• M1: 135,536 km (0.094 R)
• M2: 755,320 km (0.084 R)
• M3: 1,153,848 km (0.103 R)
• M4: 1,560,904 km (0.065 R)
• M5: 2,177,247 km (0.095 R)
• M6: 2,693,061 km (0.108 R)
• M7: 3,630,591 km (0.105 R)
• M8: 4,201,007 km (0.099 R)
• M9: 4,975,326 km (0.107 R)
• M10: 5,396,743 km (0.083 R)
• M11: 6,107,483 km (0.093 R)
• M12: 8,281,289 km (0.096 R)
• M13: 8,659,772 km (0.108 R)
• M14: 11,746,874 km (0.106 R)
• M15: 13,221,609 km (0.12 R)
• M16: 13,798,010 km (0.102 R)
• M17: 17,822,642 km (0.058 R)
• M18: 19,394,915 km (0.104 R)
• M19: 19,839,370 km (0.086 R)
• M20: 22,487,552 km (0.099 R)
• M21: 23,060,661 km (0.114 R)
• M22: 24,150,781 km (0.075 R)
• M23: 25,539,348 km (0.119 R)
• M24: 28,002,029 km (0.09 R)
• M25: 30,221,313 km (0.106 R)
• M26: 31,020,016 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.7

Radius: 9.5

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.16 AU - 9.22 AU

Year: 9930 Days

Day: 12.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,593,296 km

• M1: 118,182 km (0.064 R)
• M2: 476,918 km (0.076 R)
• M3: 1,158,187 km (0.096 R)
• M4: 1,668,465 km (0.098 R)
• M5: 2,760,679 km (0.032 R)
• M6: 6,239,578 km (0.062 R)
• M7: 6,710,212 km (0.049 R)
• M8: 7,165,588 km (0.098 R)
• M9: 8,394,685 km (0.067 R)
• M10: 8,744,893 km (0.106 R)
• M11: 9,334,907 km (0.1 R)
• M12: 12,577,591 km (0.073 R)
• M13: 13,036,856 km (0.074 R)
• M14: 14,796,277 km (0.111 R)
• M15: 16,031,506 km (0.104 R)
• M16: 20,148,739 km (0.042 R)
• M17: 21,828,274 km (0.1 R)
• M18: 26,948,860 km (0.106 R)
• M19: 29,483,945 km (0.065 R)
• M20: 39,484,264 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41

Radius: 11.3

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 9.19 AU - 12.21 AU

Year: 12476 Days

Day: 14.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,593,296 km

• M1: 160,818 km (0.064 R)
• M2: 524,341 km (0.119 R)
• M3: 952,190 km (0.05 R)
• M4: 1,786,199 km (0.079 R)
• M5: 2,573,083 km (0.08 R)
• M6: 3,354,583 km (0.086 R)
• M7: 3,811,305 km (0.111 R)
• M8: 5,436,536 km (0.071 R)
• M9: 7,513,852 km (0.081 R)
• M10: 8,031,760 km (0.066 R)
• M11: 8,608,161 km (0.11 R)
• M12: 12,754,415 km (0.093 R)
• M13: 13,729,045 km (0.095 R)
• M14: 14,553,778 km (0.078 R)
• M15: 19,062,359 km (0.073 R)
• M16: 19,540,923 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.7

Radius: 6.9

Gravity: 11.63 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 12.68 AU - 14.58 AU

Year: 17937 Days

Day: 15.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,593,296 km

• M1: 85,869 km (0.108 R)
• M2: 376,239 km (0.097 R)
• M3: 855,849 km (0.107 R)
• M4: 1,338,751 km (0.118 R)
• M5: 3,131,682 km (0.095 R)
• M6: 3,930,983 km (0.067 R)
• M7: 4,689,594 km (0.073 R)
• M8: 6,451,707 km (0.069 R)
• M9: 8,070,057 km (0.102 R)
• M10: 10,279,767 km (0.1 R)
• M11: 12,535,404 km (0.11 R)
• M12: 13,400,678 km (0.043 R)
• M13: 15,101,456 km (0.083 R)
• M14: 15,323,759 km (0.111 R)
• M15: 19,445,030 km (0.082 R)
• M16: 20,602,619 km (0.097 R)
• M17: 22,185,065 km (0.06 R)
• M18: 24,554,396 km (0.106 R)
• M19: 26,869,872 km (0.053 R)
• M20: 31,205,368 km (0.115 R)
• M21: 35,070,378 km (0.089 R)
• M22: 37,050,157 km (0.066 R)
• M23: 40,228,812 km (0.058 R)
• M24: 45,561,378 km (0.096 R)
• M25: 47,438,682 km (0.111 R)
• M26: 51,179,676 km (0.081 R)
• M27: 53,550,503 km (0.116 R)
• M28: 54,588,562 km (0.12 R)
• M29: 58,692,481 km (0.055 R)
• M30: 63,766,990 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105

Radius: 4.7

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 13.63 AU - 17.75 AU

Year: 22153 Days

Day: 17 Hours

Environment

Temp: -198 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,593,296 km

• M1: 58,493 km (0.036 R)
• M2: 214,374 km (0.08 R)
• M3: 581,188 km (0.093 R)
• M4: 780,302 km (0.1 R)
• M5: 1,176,138 km (0.117 R)
• M6: 1,330,523 km (0.079 R)
• M7: 1,485,058 km (0.03 R)
• M8: 1,861,746 km (0.054 R)
• M9: 2,210,458 km (0.117 R)
• M10: 3,741,742 km (0.032 R)
• M11: 4,132,342 km (0.095 R)
• M12: 5,370,713 km (0.074 R)
• M13: 5,901,636 km (0.064 R)
• M14: 7,301,573 km (0.092 R)
• M15: 8,334,845 km (0.089 R)
• M16: 9,699,028 km (0.112 R)
• M17: 14,051,429 km (0.077 R)
• M18: 15,838,375 km (0.09 R)
• M19: 16,172,727 km (0.055 R)
• M20: 22,098,448 km (0.089 R)
• M21: 24,415,120 km (0.059 R)
• M22: 32,220,389 km (0.077 R)
• M23: 37,031,607 km (0.066 R)
• M24: 37,857,536 km (0.116 R)
• M25: 40,907,837 km (0.09 R)

Kuiper Belt

Range: 30.8 - 54.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 11,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit