🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.71 AU - 0.73 AU

Year: 215 Days

Day: 15.7 Hours

Environment

Temp: 181 °C

Axial Tilt: 0.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,364,314 km

• M1: 236,664 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.64 AU - 0.94 AU

Year: 247 Days

Day: 20.7 Hours

Environment

Temp: 181 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.33 AU - 1.37 AU

Year: 551 Days

Day: 23.6 Hours

Environment

Temp: -0 °C

Axial Tilt: 35 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 76,364,314 km

• M1: 44,131 km (0.119 R)
• M2: 665,711 km (0.088 R)

Asteroid Belt

Center: 5.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.6

Radius: 13.3

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.08 AU - 11.04 AU

Year: 9585 Days

Day: 9.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,364,314 km

• M1: 165,455 km (0.067 R)
• M2: 600,785 km (0.082 R)
• M3: 1,138,290 km (0.081 R)
• M4: 1,628,522 km (0.058 R)
• M5: 3,739,797 km (0.075 R)
• M6: 4,823,335 km (0.083 R)
• M7: 7,128,638 km (0.087 R)
• M8: 8,341,577 km (0.079 R)
• M9: 9,865,680 km (0.118 R)
• M10: 11,222,832 km (0.119 R)
• M11: 12,280,788 km (0.095 R)
• M12: 13,459,470 km (0.058 R)
• M13: 15,007,359 km (0.07 R)
• M14: 16,607,159 km (0.069 R)
• M15: 23,424,932 km (0.045 R)
• M16: 25,573,307 km (0.113 R)
• M17: 29,037,545 km (0.098 R)
• M18: 32,602,612 km (0.038 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.4

Radius: 4.6

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 13.84 AU - 14.5 AU

Year: 18747 Days

Day: 17.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,364,314 km

• M1: 59,839 km (0.074 R)
• M2: 214,075 km (0.049 R)
• M3: 362,326 km (0.071 R)
• M4: 583,132 km (0.1 R)
• M5: 1,043,445 km (0.12 R)
• M6: 1,324,839 km (0.11 R)
• M7: 1,700,180 km (0.086 R)
• M8: 6,534,285 km (0.097 R)
• M9: 10,610,229 km (0.071 R)
• M10: 18,732,795 km (0.083 R)
• M11: 19,507,562 km (0.086 R)
• M12: 42,670,399 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.4

Radius: 4.7

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 13.93 AU - 18.23 AU

Year: 22662 Days

Day: 19.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,364,314 km

• M1: 58,493 km (0.1 R)
• M2: 907,760 km (0.111 R)
• M3: 1,836,912 km (0.072 R)
• M4: 3,031,302 km (0.091 R)
• M5: 3,484,434 km (0.063 R)
• M6: 5,722,567 km (0.108 R)
• M7: 18,365,083 km (0.079 R)
• M8: 18,730,252 km (0.065 R)
• M9: 19,399,702 km (0.083 R)
• M10: 25,250,176 km (0.092 R)
• M11: 25,611,006 km (0.027 R)
• M12: 26,807,041 km (0.104 R)
• M13: 28,040,026 km (0.102 R)
• M14: 30,009,782 km (0.105 R)
• M15: 39,052,524 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.5

Radius: 7.9

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 12.94 AU - 19.7 AU

Year: 23172 Days

Day: 18.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,364,314 km

• M1: 99,183 km (0.063 R)
• M2: 391,946 km (0.103 R)
• M3: 904,020 km (0.118 R)
• M4: 1,432,848 km (0.114 R)
• M5: 2,254,290 km (0.095 R)
• M6: 2,788,056 km (0.057 R)
• M7: 3,247,022 km (0.056 R)
• M8: 4,872,702 km (0.115 R)
• M9: 5,198,825 km (0.118 R)
• M10: 6,795,932 km (0.111 R)
• M11: 7,666,741 km (0.034 R)
• M12: 8,273,660 km (0.081 R)
• M13: 8,652,890 km (0.051 R)
• M14: 10,725,569 km (0.095 R)
• M15: 13,279,205 km (0.104 R)
• M16: 14,333,122 km (0.059 R)
• M17: 17,621,283 km (0.117 R)
• M18: 19,183,384 km (0.081 R)
• M19: 27,830,440 km (0.066 R)
• M20: 33,414,928 km (0.111 R)
• M21: 35,137,847 km (0.078 R)
• M22: 37,832,105 km (0.105 R)
• M23: 38,876,896 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.8

Radius: 4

Gravity: 19.93 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 17.76 AU - 20.56 AU

Year: 29476 Days

Day: 24.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,364,314 km

• M1: 49,966 km (0.063 R)
• M2: 525,089 km (0.092 R)
• M3: 776,862 km (0.113 R)
• M4: 1,502,262 km (0.085 R)
• M5: 1,834,967 km (0.031 R)
• M6: 9,305,736 km (0.116 R)
• M7: 11,155,962 km (0.108 R)
• M8: 13,668,309 km (0.107 R)
• M9: 15,406,486 km (0.117 R)
• M10: 19,405,836 km (0.059 R)
• M11: 34,081,686 km (0.097 R)
• M12: 36,404,492 km (0.118 R)
• M13: 39,269,441 km (0.061 R)
• M14: 41,514,456 km (0.118 R)
• M15: 52,768,405 km (0.118 R)
• M16: 57,747,920 km (0.1 R)
• M17: 64,862,046 km (0.104 R)

Kuiper Belt

Range: 31.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 14,230 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit