🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.48 AU - 0.52 AU

Year: 127 Days

Day: 43.5 Hours

Environment

Temp: 238 °C

Axial Tilt: 25.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 56,050,902 km

• M1: 47,871 km (0.09 R)
• M2: 189,541 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.96 AU - 1.4 AU

Year: 459 Days

Day: 31.9 Hours

Environment

Temp: 26 °C

Axial Tilt: 12.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 56,050,902 km

• M1: 96,042 km (0.108 R)
• M2: 423,362 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.13 AU - 1.53 AU

Year: 549 Days

Day: 26.3 Hours

Environment

Temp: -10 °C

Axial Tilt: 32.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.13 AU - 1.53 AU

Year: 549 Days

Day: 13.7 Hours

Environment

Temp: -10 °C

Axial Tilt: 19.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2 AU - 2.32 AU

Year: 1137 Days

Day: 44.7 Hours

Environment

Temp: -74 °C

Axial Tilt: 42.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.6

Radius: 8.2

Gravity: 14.64 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.67 AU - 6.55 AU

Year: 5409 Days

Day: 10.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,050,902 km

• M1: 102,026 km (0.106 R)
• M2: 367,562 km (0.08 R)
• M3: 717,023 km (0.118 R)
• M4: 1,472,492 km (0.096 R)
• M5: 1,872,068 km (0.101 R)
• M6: 3,090,542 km (0.113 R)
• M7: 3,542,328 km (0.115 R)
• M8: 4,366,911 km (0.089 R)
• M9: 6,803,861 km (0.084 R)
• M10: 9,622,135 km (0.058 R)
• M11: 10,350,677 km (0.103 R)
• M12: 10,824,304 km (0.044 R)
• M13: 12,227,831 km (0.047 R)
• M14: 13,579,896 km (0.092 R)
• M15: 14,672,260 km (0.083 R)
• M16: 17,624,275 km (0.104 R)
• M17: 18,368,375 km (0.095 R)
• M18: 21,025,233 km (0.109 R)
• M19: 22,563,248 km (0.093 R)
• M20: 24,092,288 km (0.096 R)
• M21: 24,505,926 km (0.076 R)
• M22: 31,587,291 km (0.084 R)
• M23: 34,117,141 km (0.106 R)
• M24: 34,638,789 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.4

Radius: 10.3

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 9.68 AU - 14.68 AU

Year: 15225 Days

Day: 7.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,050,902 km

• M1: 128,505 km (0.11 R)
• M2: 618,587 km (0.111 R)
• M3: 1,365,380 km (0.082 R)
• M4: 1,917,097 km (0.066 R)
• M5: 2,245,763 km (0.101 R)
• M6: 2,751,105 km (0.049 R)
• M7: 4,272,066 km (0.055 R)
• M8: 4,599,985 km (0.09 R)
• M9: 5,269,735 km (0.08 R)
• M10: 5,764,455 km (0.078 R)
• M11: 6,373,617 km (0.095 R)
• M12: 10,668,423 km (0.115 R)
• M13: 11,776,943 km (0.116 R)
• M14: 12,359,327 km (0.079 R)
• M15: 13,234,325 km (0.104 R)
• M16: 13,651,853 km (0.078 R)
• M17: 17,315,355 km (0.026 R)
• M18: 22,263,903 km (0.117 R)
• M19: 25,006,780 km (0.047 R)
• M20: 26,734,336 km (0.035 R)
• M21: 27,402,141 km (0.074 R)
• M22: 30,185,559 km (0.096 R)
• M23: 30,667,115 km (0.095 R)
• M24: 31,645,634 km (0.115 R)
• M25: 32,142,598 km (0.11 R)
• M26: 33,536,252 km (0.035 R)
• M27: 38,944,066 km (0.114 R)
• M28: 47,451,996 km (0.073 R)
• M29: 52,829,890 km (0.091 R)
• M30: 54,590,357 km (0.066 R)
• M31: 70,527,318 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.9

Radius: 5.7

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 17.76 AU - 18.2 AU

Year: 27306 Days

Day: 19.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,050,902 km

• M1: 70,909 km (0.09 R)
• M2: 419,622 km (0.108 R)
• M3: 666,907 km (0.099 R)
• M4: 884,123 km (0.056 R)
• M5: 1,209,948 km (0.059 R)
• M6: 2,792,992 km (0.076 R)
• M7: 3,494,756 km (0.115 R)
• M8: 5,957,436 km (0.085 R)
• M9: 6,261,868 km (0.093 R)
• M10: 6,819,419 km (0.039 R)
• M11: 9,132,800 km (0.115 R)
• M12: 9,486,599 km (0.091 R)
• M13: 10,438,042 km (0.07 R)
• M14: 11,278,183 km (0.119 R)
• M15: 12,590,755 km (0.098 R)
• M16: 14,814,677 km (0.063 R)
• M17: 19,437,102 km (0.093 R)
• M18: 19,769,957 km (0.086 R)
• M19: 21,758,711 km (0.082 R)
• M20: 22,027,538 km (0.12 R)
• M21: 24,354,982 km (0.115 R)
• M22: 34,207,498 km (0.116 R)
• M23: 38,349,863 km (0.086 R)
• M24: 39,137,346 km (0.06 R)
• M25: 40,608,791 km (0.091 R)
• M26: 41,564,272 km (0.109 R)
• M27: 47,163,122 km (0.068 R)
• M28: 47,613,561 km (0.099 R)
• M29: 50,064,124 km (0.093 R)

Kuiper Belt

Range: 30.6 - 60.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 16,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit