🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.71 AU - 0.79 AU

Year: 247 Days

Day: 37.7 Hours

Environment

Temp: 142 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,598,711 km

• M1: 27,825 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.82 AU - 1 AU

Year: 331 Days

Day: 13.4 Hours

Environment

Temp: 9 °C

Axial Tilt: 43.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 42,598,711 km

• M1: 36,203 km (0.065 R)
• M2: 73,602 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.74 AU - 1.12 AU

Year: 342 Days

Day: 24 Hours

Environment

Temp: 22 °C

Axial Tilt: 5.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.13 AU - 1.45 AU

Year: 558 Days

Day: 16.6 Hours

Environment

Temp: -28 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,598,711 km

• M1: 39,344 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.53 AU - 2.05 AU

Year: 912 Days

Day: 30.8 Hours

Environment

Temp: -64 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.4

Radius: 15

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.17 AU - 6.65 AU

Year: 5471 Days

Day: 8.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,598,711 km

• M1: 186,549 km (0.111 R)
• M2: 763,099 km (0.115 R)
• M3: 1,401,283 km (0.097 R)
• M4: 1,921,136 km (0.108 R)
• M5: 2,673,613 km (0.107 R)
• M6: 3,227,125 km (0.057 R)
• M7: 3,970,178 km (0.112 R)
• M8: 5,367,272 km (0.095 R)
• M9: 6,288,346 km (0.087 R)
• M10: 6,869,983 km (0.07 R)
• M11: 7,883,209 km (0.054 R)
• M12: 9,236,322 km (0.074 R)
• M13: 9,861,641 km (0.083 R)
• M14: 11,525,918 km (0.071 R)
• M15: 13,528,584 km (0.096 R)
• M16: 15,005,714 km (0.119 R)
• M17: 18,408,766 km (0.086 R)
• M18: 19,066,548 km (0.091 R)
• M19: 23,808,950 km (0.085 R)
• M20: 25,875,644 km (0.057 R)
• M21: 26,535,072 km (0.102 R)
• M22: 28,580,673 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.6

Radius: 9.9

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.96 AU - 8.7 AU

Year: 9155 Days

Day: 14.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,598,711 km

• M1: 123,119 km (0.067 R)
• M2: 651,200 km (0.077 R)
• M3: 1,276,519 km (0.109 R)
• M4: 1,832,574 km (0.102 R)
• M5: 2,249,204 km (0.08 R)
• M6: 2,635,017 km (0.113 R)
• M7: 3,384,203 km (0.092 R)
• M8: 3,797,093 km (0.115 R)
• M9: 5,094,406 km (0.106 R)
• M10: 6,154,157 km (0.088 R)
• M11: 8,050,460 km (0.101 R)
• M12: 8,579,737 km (0.062 R)
• M13: 9,306,633 km (0.026 R)
• M14: 10,449,561 km (0.114 R)
• M15: 11,030,300 km (0.071 R)
• M16: 11,378,863 km (0.114 R)
• M17: 15,343,356 km (0.098 R)
• M18: 17,398,681 km (0.081 R)
• M19: 19,127,285 km (0.116 R)
• M20: 20,816,095 km (0.115 R)
• M21: 22,682,029 km (0.06 R)
• M22: 24,236,351 km (0.101 R)
• M23: 24,572,497 km (0.097 R)
• M24: 25,426,252 km (0.11 R)
• M25: 29,514,762 km (0.087 R)
• M26: 34,548,880 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.2

Radius: 11

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 8.27 AU - 12.45 AU

Year: 12698 Days

Day: 11.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,598,711 km

• M1: 140,921 km (0.04 R)
• M2: 486,791 km (0.054 R)
• M3: 1,109,418 km (0.049 R)
• M4: 1,528,142 km (0.115 R)
• M5: 2,184,727 km (0.118 R)
• M6: 2,915,962 km (0.058 R)
• M7: 4,006,081 km (0.101 R)
• M8: 4,687,500 km (0.08 R)
• M9: 5,318,204 km (0.112 R)
• M10: 6,566,299 km (0.086 R)
• M11: 8,550,865 km (0.096 R)
• M12: 10,159,042 km (0.114 R)
• M13: 11,372,580 km (0.094 R)
• M14: 12,623,966 km (0.098 R)
• M15: 15,919,607 km (0.112 R)
• M16: 17,273,767 km (0.029 R)
• M17: 18,924,131 km (0.038 R)
• M18: 19,825,757 km (0.079 R)
• M19: 20,442,549 km (0.075 R)
• M20: 21,714,580 km (0.117 R)
• M21: 24,153,623 km (0.11 R)
• M22: 25,124,813 km (0.101 R)
• M23: 26,769,791 km (0.098 R)
• M24: 30,680,579 km (0.112 R)
• M25: 31,194,896 km (0.1 R)
• M26: 37,353,242 km (0.093 R)
• M27: 40,101,654 km (0.036 R)
• M28: 41,088,402 km (0.081 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 11,364 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit