🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.47 AU - 0.61 AU

Year: 165 Days

Day: 17.1 Hours

Environment

Temp: 80 °C

Axial Tilt: 19.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 73,211,278 km

• M1: 63,280 km (0.097 R)
• M2: 153,787 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.65 AU - 1.03 AU

Year: 320 Days

Day: 33.8 Hours

Environment

Temp: -19 °C

Axial Tilt: 37.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.12 AU - 1.5 AU

Year: 624 Days

Day: 21.8 Hours

Environment

Temp: -65 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 73,211,278 km

• M1: 21,392 km (0.043 R)
• M2: 107,860 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.44 AU - 1.46 AU

Year: 727 Days

Day: 30.9 Hours

Environment

Temp: -70 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 73,211,278 km

• M1: 97,388 km (0.028 R)
• M2: 269,127 km (0.039 R)

Asteroid Belt

Center: 2.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.9

Radius: 13.1

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.24 AU - 3.32 AU

Year: 2473 Days

Day: 14.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,211,278 km

• M1: 162,912 km (0.061 R)
• M2: 704,008 km (0.108 R)
• M3: 1,781,561 km (0.049 R)
• M4: 2,308,894 km (0.075 R)
• M5: 3,551,603 km (0.086 R)
• M6: 4,173,631 km (0.067 R)
• M7: 4,627,960 km (0.068 R)
• M8: 6,051,533 km (0.077 R)
• M9: 6,610,880 km (0.082 R)
• M10: 7,072,539 km (0.103 R)
• M11: 7,833,543 km (0.086 R)
• M12: 9,844,138 km (0.072 R)
• M13: 10,793,486 km (0.078 R)
• M14: 11,914,722 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.8

Radius: 11.1

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.2 AU - 4.6 AU

Year: 3842 Days

Day: 12.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,211,278 km

• M1: 138,079 km (0.107 R)
• M2: 489,185 km (0.095 R)
• M3: 849,566 km (0.096 R)
• M4: 1,234,781 km (0.115 R)
• M5: 1,835,416 km (0.066 R)
• M6: 3,086,952 km (0.117 R)
• M7: 4,239,903 km (0.081 R)
• M8: 4,882,127 km (0.096 R)
• M9: 5,307,134 km (0.062 R)
• M10: 5,659,886 km (0.082 R)
• M11: 9,548,982 km (0.108 R)
• M12: 11,800,430 km (0.088 R)
• M13: 12,281,836 km (0.077 R)
• M14: 12,860,031 km (0.079 R)
• M15: 14,430,360 km (0.059 R)
• M16: 15,403,494 km (0.11 R)
• M17: 16,768,276 km (0.095 R)

Asteroid Belt

Center: 6.93 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.4

Radius: 9.9

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.7 AU - 11.22 AU

Year: 12111 Days

Day: 13.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,211,278 km

• M1: 123,119 km (0.052 R)
• M2: 534,513 km (0.051 R)
• M3: 997,668 km (0.077 R)
• M4: 1,430,156 km (0.12 R)
• M5: 2,385,338 km (0.088 R)
• M6: 2,738,987 km (0.074 R)
• M7: 3,991,570 km (0.079 R)
• M8: 5,623,085 km (0.106 R)
• M9: 6,050,187 km (0.083 R)
• M10: 8,184,500 km (0.103 R)
• M11: 8,820,590 km (0.094 R)
• M12: 10,191,505 km (0.073 R)
• M13: 10,530,942 km (0.096 R)
• M14: 11,130,231 km (0.03 R)
• M15: 11,964,539 km (0.099 R)
• M16: 13,640,633 km (0.116 R)
• M17: 14,841,455 km (0.045 R)
• M18: 18,434,497 km (0.08 R)
• M19: 22,081,842 km (0.034 R)
• M20: 23,818,973 km (0.069 R)
• M21: 26,547,189 km (0.082 R)
• M22: 28,414,021 km (0.095 R)
• M23: 29,281,988 km (0.106 R)
• M24: 30,068,125 km (0.097 R)
• M25: 30,466,504 km (0.063 R)
• M26: 31,991,953 km (0.062 R)
• M27: 36,532,997 km (0.088 R)
• M28: 37,100,721 km (0.11 R)
• M29: 40,028,052 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.3

Radius: 3.3

Gravity: 18.21 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 14.02 AU - 17 AU

Year: 25425 Days

Day: 19.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 170.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,211,278 km

• M1: 49,816 km (0.064 R)
• M2: 265,087 km (0.101 R)
• M3: 1,393,055 km (0.073 R)
• M4: 1,715,738 km (0.104 R)
• M5: 1,903,633 km (0.1 R)
• M6: 2,123,991 km (0.079 R)
• M7: 2,240,378 km (0.116 R)
• M8: 2,550,195 km (0.098 R)
• M9: 2,659,551 km (0.12 R)
• M10: 2,794,937 km (0.054 R)
• M11: 4,290,467 km (0.071 R)
• M12: 4,540,445 km (0.104 R)
• M13: 4,899,779 km (0.041 R)
• M14: 7,463,737 km (0.112 R)
• M15: 8,978,864 km (0.09 R)
• M16: 9,648,913 km (0.102 R)
• M17: 11,145,939 km (0.108 R)
• M18: 15,514,646 km (0.08 R)
• M19: 15,953,865 km (0.097 R)
• M20: 20,461,398 km (0.03 R)
• M21: 21,707,549 km (0.099 R)
• M22: 27,305,052 km (0.092 R)
• M23: 29,033,207 km (0.118 R)
• M24: 29,699,665 km (0.103 R)
• M25: 29,811,864 km (0.086 R)
• M26: 34,653,000 km (0.107 R)
• M27: 41,513,110 km (0.093 R)
• M28: 42,358,487 km (0.066 R)
• M29: 44,522,121 km (0.073 R)
• M30: 54,414,729 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.7

Radius: 6.9

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 15.43 AU - 18.11 AU

Year: 28585 Days

Day: 17.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,211,278 km

• M1: 87,066 km (0.036 R)
• M2: 322,832 km (0.112 R)
• M3: 595,400 km (0.105 R)
• M4: 941,120 km (0.12 R)
• M5: 2,140,297 km (0.114 R)
• M6: 3,141,106 km (0.045 R)
• M7: 3,441,050 km (0.116 R)
• M8: 3,700,453 km (0.082 R)
• M9: 4,098,383 km (0.09 R)
• M10: 5,503,556 km (0.116 R)
• M11: 6,793,838 km (0.052 R)
• M12: 7,019,431 km (0.091 R)
• M13: 7,438,156 km (0.081 R)
• M14: 8,325,421 km (0.042 R)
• M15: 9,447,704 km (0.113 R)
• M16: 10,606,938 km (0.11 R)
• M17: 10,849,735 km (0.112 R)
• M18: 12,927,799 km (0.106 R)
• M19: 15,411,722 km (0.109 R)
• M20: 15,802,023 km (0.114 R)
• M21: 20,260,788 km (0.084 R)
• M22: 20,918,569 km (0.095 R)
• M23: 21,300,792 km (0.087 R)
• M24: 22,475,584 km (0.113 R)
• M25: 25,709,142 km (0.12 R)
• M26: 25,927,854 km (0.079 R)
• M27: 26,147,763 km (0.088 R)
• M28: 29,478,410 km (0.034 R)
• M29: 34,521,354 km (0.062 R)
• M30: 46,597,642 km (0.115 R)
• M31: 49,918,715 km (0.048 R)
• M32: 52,510,797 km (0.117 R)
• M33: 60,242,913 km (0.118 R)
• M34: 62,781,738 km (0.118 R)
• M35: 67,032,113 km (0.096 R)
• M36: 67,654,440 km (0.099 R)
• M37: 71,470,233 km (0.054 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 19,596 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit