🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.59 AU - 0.95 AU

Year: 256 Days

Day: 21.2 Hours

Environment

Temp: 155 °C

Axial Tilt: 28.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.08 AU - 3.76 AU

Year: 2395 Days

Day: 31.2 Hours

Environment

Temp: -115 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.69 AU - 3.91 AU

Year: 2806 Days

Day: 22 Hours

Environment

Temp: -129 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.13 AU - 4.57 AU

Year: 2861 Days

Day: 40.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.1

Radius: 10.8

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.32 AU - 5.78 AU

Year: 4298 Days

Day: 9.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,174,948 km

• M1: 135,835 km (0.12 R)
• M2: 488,886 km (0.118 R)
• M3: 1,238,371 km (0.066 R)
• M4: 1,747,154 km (0.107 R)
• M5: 2,516,835 km (0.113 R)
• M6: 3,640,763 km (0.087 R)
• M7: 4,022,986 km (0.108 R)
• M8: 4,818,847 km (0.053 R)
• M9: 5,885,928 km (0.07 R)
• M10: 6,505,862 km (0.114 R)
• M11: 6,879,258 km (0.109 R)
• M12: 8,264,983 km (0.069 R)
• M13: 9,950,353 km (0.116 R)
• M14: 10,405,280 km (0.097 R)
• M15: 11,312,292 km (0.041 R)
• M16: 14,612,720 km (0.112 R)
• M17: 15,146,934 km (0.106 R)
• M18: 16,770,071 km (0.114 R)
• M19: 20,161,903 km (0.072 R)
• M20: 21,364,521 km (0.071 R)
• M21: 23,692,712 km (0.094 R)
• M22: 24,281,679 km (0.102 R)
• M23: 25,259,451 km (0.052 R)
• M24: 25,951,640 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.1

Radius: 10

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.3 AU - 9.42 AU

Year: 8346 Days

Day: 14.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,174,948 km

• M1: 124,914 km (0.111 R)
• M2: 542,591 km (0.086 R)
• M3: 927,956 km (0.102 R)
• M4: 1,447,359 km (0.085 R)
• M5: 1,885,232 km (0.105 R)
• M6: 2,500,977 km (0.075 R)
• M7: 3,424,744 km (0.044 R)
• M8: 4,289,420 km (0.111 R)
• M9: 6,169,117 km (0.086 R)
• M10: 9,839,950 km (0.101 R)
• M11: 10,907,779 km (0.114 R)
• M12: 11,521,878 km (0.069 R)
• M13: 11,837,530 km (0.095 R)
• M14: 13,619,540 km (0.086 R)
• M15: 14,635,758 km (0.112 R)
• M16: 15,765,970 km (0.049 R)
• M17: 19,063,556 km (0.101 R)
• M18: 19,580,117 km (0.028 R)
• M19: 28,395,172 km (0.056 R)
• M20: 32,809,207 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.5

Radius: 8

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 13.42 AU - 14.46 AU

Year: 19713 Days

Day: 24.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,174,948 km

• M1: 99,483 km (0.087 R)
• M2: 408,851 km (0.081 R)
• M3: 1,030,580 km (0.086 R)
• M4: 1,768,696 km (0.093 R)
• M5: 4,381,422 km (0.06 R)
• M6: 5,105,327 km (0.097 R)
• M7: 11,427,931 km (0.077 R)
• M8: 11,703,789 km (0.067 R)
• M9: 12,616,486 km (0.103 R)
• M10: 13,823,142 km (0.085 R)
• M11: 16,464,143 km (0.083 R)
• M12: 16,958,564 km (0.068 R)
• M13: 18,805,500 km (0.108 R)
• M14: 20,215,759 km (0.081 R)
• M15: 22,894,608 km (0.085 R)
• M16: 32,777,193 km (0.104 R)
• M17: 35,278,170 km (0.08 R)
• M18: 38,889,612 km (0.026 R)
• M19: 44,894,471 km (0.066 R)
• M20: 47,119,889 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.5

Radius: 4.3

Gravity: 24.74 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 13.27 AU - 21.97 AU

Year: 28013 Days

Day: 16.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,174,948 km

• M1: 124,765 km (0.081 R)
• M2: 307,124 km (0.063 R)
• M3: 571,763 km (0.081 R)
• M4: 2,368,134 km (0.084 R)
• M5: 4,764,842 km (0.055 R)
• M6: 8,365,663 km (0.106 R)
• M7: 11,091,037 km (0.112 R)
• M8: 14,509,946 km (0.052 R)
• M9: 15,544,116 km (0.03 R)
• M10: 17,316,851 km (0.076 R)
• M11: 19,788,208 km (0.111 R)
• M12: 20,465,288 km (0.116 R)
• M13: 26,332,068 km (0.102 R)
• M14: 36,291,695 km (0.111 R)
• M15: 42,336,796 km (0.106 R)
• M16: 43,136,546 km (0.109 R)
• M17: 49,723,639 km (0.095 R)
• M18: 54,468,435 km (0.055 R)
• M19: 70,272,553 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.8

Radius: 7.6

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 14.03 AU - 23.05 AU

Year: 30235 Days

Day: 23.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 84,174,948 km

• M1: 94,546 km (0.11 R)
• M2: 458,667 km (0.095 R)
• M3: 708,346 km (0.109 R)
• M4: 1,091,017 km (0.072 R)
• M5: 2,040,964 km (0.096 R)
• M6: 2,297,225 km (0.065 R)
• M7: 2,927,930 km (0.093 R)
• M8: 3,171,325 km (0.107 R)
• M9: 5,082,139 km (0.099 R)
• M10: 5,516,122 km (0.07 R)
• M11: 5,763,108 km (0.063 R)
• M12: 7,111,284 km (0.081 R)
• M13: 7,604,060 km (0.106 R)
• M14: 8,439,713 km (0.104 R)
• M15: 25,156,976 km (0.088 R)
• M16: 26,648,916 km (0.084 R)
• M17: 37,003,781 km (0.032 R)
• M18: 38,480,013 km (0.07 R)
• M19: 41,549,462 km (0.078 R)
• M20: 44,119,554 km (0.11 R)
• M21: 48,868,987 km (0.09 R)
• M22: 50,286,127 km (0.116 R)
• M23: 58,771,169 km (0.08 R)
• M24: 59,769,136 km (0.113 R)
• M25: 60,778,174 km (0.056 R)
• M26: 61,798,731 km (0.089 R)
• M27: 63,873,803 km (0.062 R)
• M28: 70,601,219 km (0.093 R)
• M29: 74,251,258 km (0.096 R)
• M30: 78,025,313 km (0.063 R)
• M31: 80,447,751 km (0.065 R)
• M32: 80,692,792 km (0.116 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: 276 - 13,609 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit