🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.37 AU - 2.03 AU

Year: 822 Days

Day: 36.1 Hours

Environment

Temp: -54 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.83 AU - 2.41 AU

Year: 1145 Days

Day: 43.3 Hours

Environment

Temp: -85 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,785,853 km

• M1: 361,728 km (0.113 R)

Asteroid Belt

Center: 5.34 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.7

Radius: 13.3

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.78 AU - 10.34 AU

Year: 9288 Days

Day: 10.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,785,853 km

• M1: 165,754 km (0.105 R)
• M2: 658,679 km (0.109 R)
• M3: 1,075,908 km (0.108 R)
• M4: 1,809,985 km (0.066 R)
• M5: 2,625,293 km (0.11 R)
• M6: 3,188,080 km (0.063 R)
• M7: 4,135,334 km (0.109 R)
• M8: 4,610,307 km (0.026 R)
• M9: 5,038,307 km (0.066 R)
• M10: 6,887,785 km (0.104 R)
• M11: 8,118,228 km (0.101 R)
• M12: 11,153,419 km (0.097 R)
• M13: 12,898,478 km (0.107 R)
• M14: 14,819,165 km (0.068 R)
• M15: 15,698,202 km (0.103 R)
• M16: 16,242,140 km (0.109 R)
• M17: 16,924,007 km (0.061 R)
• M18: 19,704,433 km (0.03 R)
• M19: 24,026,615 km (0.106 R)
• M20: 26,663,427 km (0.03 R)
• M21: 30,409,657 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.3

Radius: 14.4

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.65 AU - 10.03 AU

Year: 11447 Days

Day: 6.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 163.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,785,853 km

• M1: 179,069 km (0.114 R)
• M2: 681,418 km (0.056 R)
• M3: 1,359,097 km (0.111 R)
• M4: 1,887,776 km (0.077 R)
• M5: 2,487,962 km (0.082 R)
• M6: 3,542,926 km (0.114 R)
• M7: 4,245,438 km (0.066 R)
• M8: 5,232,036 km (0.076 R)
• M9: 7,695,763 km (0.108 R)
• M10: 8,999,210 km (0.093 R)
• M11: 10,625,039 km (0.028 R)
• M12: 11,224,029 km (0.076 R)
• M13: 11,943,146 km (0.11 R)
• M14: 12,897,880 km (0.11 R)
• M15: 13,526,639 km (0.098 R)
• M16: 14,011,636 km (0.095 R)
• M17: 18,255,877 km (0.119 R)
• M18: 20,776,302 km (0.072 R)
• M19: 23,753,599 km (0.05 R)
• M20: 25,588,716 km (0.117 R)
• M21: 28,122,305 km (0.062 R)
• M22: 29,629,953 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586

Radius: 4.6

Gravity: 27.69 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 15.86 AU - 16.68 AU

Year: 24338 Days

Day: 21.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 51,785,853 km

• M1: 60,737 km (0.082 R)
• M2: 292,763 km (0.056 R)
• M3: 569,669 km (0.115 R)
• M4: 745,446 km (0.085 R)
• M5: 921,373 km (0.077 R)
• M6: 1,097,899 km (0.075 R)
• M7: 2,190,861 km (0.079 R)
• M8: 2,855,524 km (0.084 R)
• M9: 3,067,953 km (0.12 R)
• M10: 4,224,644 km (0.092 R)
• M11: 9,443,216 km (0.099 R)
• M12: 9,855,508 km (0.084 R)
• M13: 10,341,402 km (0.035 R)
• M14: 11,229,564 km (0.041 R)
• M15: 12,940,365 km (0.099 R)
• M16: 13,820,150 km (0.112 R)
• M17: 15,133,769 km (0.077 R)
• M18: 16,528,470 km (0.076 R)
• M19: 18,366,729 km (0.047 R)
• M20: 19,475,997 km (0.074 R)
• M21: 20,143,353 km (0.079 R)
• M22: 22,860,649 km (0.098 R)
• M23: 23,495,991 km (0.049 R)
• M24: 23,926,085 km (0.061 R)
• M25: 28,885,853 km (0.11 R)
• M26: 29,878,435 km (0.037 R)
• M27: 33,261,291 km (0.093 R)
• M28: 35,747,159 km (0.073 R)
• M29: 39,100,096 km (0.111 R)
• M30: 48,820,816 km (0.069 R)
• M31: 51,119,986 km (0.104 R)
• M32: 55,362,881 km (0.056 R)
• M33: 59,436,580 km (0.11 R)
• M34: 65,595,824 km (0.117 R)
• M35: 68,610,221 km (0.102 R)
• M36: 69,268,003 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.5

Radius: 5.2

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 16.98 AU - 19.5 AU

Year: 28890 Days

Day: 20.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,785,853 km

• M1: 151,842 km (0.039 R)
• M2: 419,472 km (0.041 R)
• M3: 622,926 km (0.078 R)
• M4: 1,175,839 km (0.093 R)
• M5: 1,461,122 km (0.115 R)
• M6: 2,079,560 km (0.11 R)
• M7: 2,947,826 km (0.076 R)
• M8: 3,500,441 km (0.053 R)
• M9: 5,198,077 km (0.12 R)
• M10: 6,001,867 km (0.042 R)
• M11: 6,805,207 km (0.117 R)
• M12: 10,313,427 km (0.047 R)
• M13: 11,014,442 km (0.071 R)
• M14: 12,036,794 km (0.087 R)
• M15: 12,813,506 km (0.099 R)
• M16: 20,102,513 km (0.117 R)
• M17: 21,971,888 km (0.107 R)
• M18: 25,372,098 km (0.114 R)
• M19: 26,249,190 km (0.091 R)
• M20: 27,045,500 km (0.117 R)
• M21: 30,610,716 km (0.114 R)
• M22: 34,951,897 km (0.083 R)
• M23: 40,734,603 km (0.08 R)
• M24: 44,129,577 km (0.102 R)
• M25: 48,446,822 km (0.109 R)
• M26: 50,097,784 km (0.093 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 15,786 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit