🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.6 AU - 0.86 AU

Year: 236 Days

Day: 21.3 Hours

Environment

Temp: 116 °C

Axial Tilt: 1.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 80,972,285 km

• M1: 44,580 km (0.099 R)
• M2: 670,498 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.69 AU - 0.93 AU

Year: 276 Days

Day: 24.8 Hours

Environment

Temp: 154 °C

Axial Tilt: 43.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.07 AU - 2.61 AU

Year: 1356 Days

Day: 30.3 Hours

Environment

Temp: -83 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,972,285 km

• M1: 35,903 km (0.109 R)

Asteroid Belt

Center: 5.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.4

Radius: 14.6

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 7.98 AU - 8.74 AU

Year: 9155 Days

Day: 12.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,972,285 km

• M1: 182,809 km (0.094 R)
• M2: 694,583 km (0.073 R)
• M3: 1,579,454 km (0.087 R)
• M4: 2,296,327 km (0.098 R)
• M5: 4,005,483 km (0.059 R)
• M6: 4,645,163 km (0.079 R)
• M7: 5,644,926 km (0.06 R)
• M8: 7,453,265 km (0.032 R)
• M9: 8,589,461 km (0.068 R)
• M10: 10,393,162 km (0.117 R)
• M11: 12,609,006 km (0.08 R)
• M12: 16,066,063 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.1

Radius: 13.7

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 10.32 AU - 10.58 AU

Year: 12794 Days

Day: 11.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,972,285 km

• M1: 178,470 km (0.07 R)
• M2: 714,180 km (0.116 R)
• M3: 1,816,118 km (0.048 R)
• M4: 2,496,040 km (0.047 R)
• M5: 3,009,610 km (0.087 R)
• M6: 3,886,253 km (0.088 R)
• M7: 4,400,122 km (0.066 R)
• M8: 7,818,882 km (0.118 R)
• M9: 8,501,497 km (0.117 R)
• M10: 9,174,089 km (0.04 R)
• M11: 10,249,249 km (0.078 R)
• M12: 11,929,084 km (0.119 R)
• M13: 19,016,881 km (0.11 R)
• M14: 19,505,019 km (0.107 R)
• M15: 20,421,605 km (0.089 R)
• M16: 20,847,660 km (0.053 R)
• M17: 22,251,038 km (0.091 R)
• M18: 44,748,164 km (0.087 R)
• M19: 52,456,493 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.2

Radius: 5.7

Gravity: 21.98 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 11.85 AU - 15.33 AU

Year: 18975 Days

Day: 24.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,972,285 km

• M1: 116,537 km (0.108 R)
• M2: 731,085 km (0.115 R)
• M3: 930,050 km (0.078 R)
• M4: 1,165,367 km (0.076 R)
• M5: 1,669,961 km (0.117 R)
• M6: 2,100,504 km (0.087 R)
• M7: 2,288,099 km (0.118 R)
• M8: 3,485,630 km (0.108 R)
• M9: 4,553,909 km (0.099 R)
• M10: 5,051,621 km (0.071 R)
• M11: 6,112,868 km (0.062 R)
• M12: 6,453,951 km (0.105 R)
• M13: 8,301,635 km (0.043 R)
• M14: 11,986,380 km (0.118 R)
• M15: 14,145,975 km (0.081 R)
• M16: 15,124,046 km (0.074 R)
• M17: 16,633,638 km (0.065 R)
• M18: 18,067,084 km (0.077 R)
• M19: 22,655,999 km (0.056 R)
• M20: 31,218,084 km (0.059 R)
• M21: 31,846,993 km (0.111 R)
• M22: 37,044,322 km (0.096 R)
• M23: 37,325,267 km (0.093 R)
• M24: 43,088,824 km (0.092 R)
• M25: 46,588,068 km (0.073 R)
• M26: 52,892,272 km (0.112 R)
• M27: 64,486,855 km (0.032 R)
• M28: 73,163,681 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440

Radius: 6.9

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 13.64 AU - 21.08 AU

Year: 27395 Days

Day: 24.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,972,285 km

• M1: 88,263 km (0.11 R)
• M2: 676,332 km (0.114 R)
• M3: 982,858 km (0.08 R)
• M4: 1,591,123 km (0.086 R)
• M5: 2,335,971 km (0.036 R)
• M6: 3,321,372 km (0.095 R)
• M7: 4,116,933 km (0.108 R)
• M8: 5,579,402 km (0.104 R)
• M9: 6,561,811 km (0.108 R)
• M10: 7,310,100 km (0.114 R)
• M11: 7,856,731 km (0.111 R)
• M12: 10,942,187 km (0.071 R)
• M13: 13,035,958 km (0.049 R)
• M14: 15,949,527 km (0.11 R)
• M15: 17,997,671 km (0.112 R)
• M16: 18,445,567 km (0.118 R)
• M17: 19,550,497 km (0.098 R)
• M18: 22,401,982 km (0.098 R)
• M19: 31,681,538 km (0.119 R)
• M20: 32,072,138 km (0.104 R)
• M21: 32,334,233 km (0.097 R)
• M22: 40,422,093 km (0.098 R)
• M23: 40,728,020 km (0.092 R)
• M24: 42,438,522 km (0.103 R)
• M25: 45,339,823 km (0.089 R)
• M26: 50,464,747 km (0.038 R)
• M27: 55,020,002 km (0.05 R)
• M28: 56,342,896 km (0.099 R)
• M29: 59,643,624 km (0.034 R)
• M30: 61,846,901 km (0.081 R)
• M31: 66,840,927 km (0.116 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: 299 - 18,148 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit