🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.87 AU - 0.91 AU

Year: 295 Days

Day: 18.7 Hours

Environment

Temp: 127 °C

Axial Tilt: 37 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 7.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Ice Giant

Semi-Major Axis: 13.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.4

Radius: 4.9

Gravity: 11.72 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 12.75 AU - 13.65 AU

Year: 16855 Days

Day: 22.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,011,194 km

• M1: 71,807 km (0.085 R)
• M2: 470,336 km (0.033 R)
• M3: 674,238 km (0.074 R)
• M4: 906,563 km (0.039 R)
• M5: 1,132,306 km (0.07 R)
• M6: 1,290,282 km (0.094 R)
• M7: 1,449,304 km (0.112 R)
• M8: 1,791,285 km (0.106 R)
• M9: 1,955,992 km (0.099 R)
• M10: 3,120,462 km (0.085 R)
• M11: 3,586,011 km (0.075 R)
• M12: 5,161,725 km (0.099 R)
• M13: 9,997,775 km (0.1 R)
• M14: 10,204,071 km (0.115 R)
• M15: 10,786,006 km (0.093 R)
• M16: 11,222,982 km (0.102 R)
• M17: 11,558,380 km (0.104 R)
• M18: 12,132,238 km (0.064 R)
• M19: 12,724,795 km (0.118 R)
• M20: 14,421,085 km (0.115 R)
• M21: 16,547,768 km (0.089 R)
• M22: 16,982,201 km (0.097 R)
• M23: 17,202,259 km (0.097 R)
• M24: 19,831,143 km (0.09 R)
• M25: 22,627,426 km (0.09 R)
• M26: 23,889,134 km (0.03 R)
• M27: 25,007,378 km (0.067 R)
• M28: 26,355,554 km (0.097 R)
• M29: 27,954,756 km (0.113 R)
• M30: 30,473,236 km (0.091 R)
• M31: 34,881,586 km (0.106 R)
• M32: 37,670,689 km (0.091 R)
• M33: 38,548,230 km (0.114 R)
• M34: 49,714,364 km (0.028 R)

Planet 3 - Ice Giant

Semi-Major Axis: 14.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84.3

Radius: 6.4

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 11.91 AU - 17.07 AU

Year: 19386 Days

Day: 17.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,011,194 km

• M1: 86,019 km (0.054 R)
• M2: 288,125 km (0.074 R)
• M3: 671,545 km (0.067 R)
• M4: 1,068,278 km (0.118 R)
• M5: 1,762,562 km (0.101 R)
• M6: 3,679,958 km (0.099 R)
• M7: 8,311,209 km (0.061 R)
• M8: 12,283,481 km (0.079 R)
• M9: 16,445,144 km (0.043 R)
• M10: 16,704,248 km (0.072 R)
• M11: 19,303,212 km (0.091 R)
• M12: 37,068,108 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122

Radius: 4.6

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 17.42 AU - 19.22 AU

Year: 27559 Days

Day: 22.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,011,194 km

• M1: 57,296 km (0.111 R)
• M2: 205,697 km (0.104 R)
• M3: 443,857 km (0.053 R)
• M4: 987,944 km (0.081 R)
• M5: 2,446,374 km (0.079 R)
• M6: 4,947,202 km (0.1 R)
• M7: 7,417,362 km (0.075 R)
• M8: 13,110,009 km (0.055 R)
• M9: 17,077,644 km (0.08 R)
• M10: 18,376,602 km (0.112 R)
• M11: 20,912,286 km (0.084 R)
• M12: 25,380,476 km (0.061 R)
• M13: 34,211,088 km (0.069 R)
• M14: 46,761,302 km (0.099 R)
• M15: 49,744,733 km (0.099 R)
• M16: 50,663,862 km (0.06 R)
• M17: 52,852,479 km (0.111 R)

Kuiper Belt

Range: 31.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 20,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit