🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.51 AU - 0.59 AU

Year: 156 Days

Day: 20.5 Hours

Environment

Temp: 172 °C

Axial Tilt: 44.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1 AU - 1.51 AU

Year: 535 Days

Day: 37.3 Hours

Environment

Temp: -41 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,391,175 km

• M1: 17,054 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.31 AU - 2.63 AU

Year: 1486 Days

Day: 47.8 Hours

Environment

Temp: -103 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.5

Radius: 9.4

Gravity: 10.77 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.83 AU - 5.09 AU

Year: 4230 Days

Day: 7.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,391,175 km

• M1: 117,135 km (0.081 R)
• M2: 432,188 km (0.056 R)
• M3: 734,376 km (0.105 R)
• M4: 1,100,592 km (0.053 R)
• M5: 2,277,927 km (0.076 R)
• M6: 2,691,415 km (0.117 R)
• M7: 3,154,570 km (0.109 R)
• M8: 3,670,085 km (0.079 R)
• M9: 4,510,376 km (0.113 R)
• M10: 5,138,388 km (0.099 R)
• M11: 5,764,305 km (0.105 R)
• M12: 7,271,055 km (0.118 R)
• M13: 10,635,212 km (0.116 R)
• M14: 11,461,590 km (0.086 R)
• M15: 11,938,957 km (0.12 R)
• M16: 15,892,979 km (0.111 R)
• M17: 18,747,456 km (0.044 R)
• M18: 21,350,010 km (0.101 R)
• M19: 21,781,749 km (0.096 R)
• M20: 27,175,800 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.4

Radius: 14.6

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.66 AU - 7.35 AU

Year: 6345 Days

Day: 12.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,391,175 km

• M1: 181,612 km (0.084 R)
• M2: 659,727 km (0.089 R)
• M3: 1,168,210 km (0.116 R)
• M4: 1,909,766 km (0.044 R)
• M5: 2,436,501 km (0.025 R)
• M6: 2,952,464 km (0.071 R)
• M7: 4,324,426 km (0.092 R)
• M8: 4,832,610 km (0.028 R)
• M9: 10,506,558 km (0.118 R)
• M10: 11,341,015 km (0.084 R)
• M11: 14,111,418 km (0.091 R)
• M12: 15,681,896 km (0.07 R)
• M13: 23,655,612 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.3

Radius: 10.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.3 AU - 7.88 AU

Year: 6477 Days

Day: 6.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 40,391,175 km

• M1: 131,796 km (0.1 R)
• M2: 654,939 km (0.119 R)
• M3: 1,065,286 km (0.083 R)
• M4: 1,684,771 km (0.063 R)
• M5: 2,113,519 km (0.06 R)
• M6: 2,631,576 km (0.075 R)
• M7: 3,432,523 km (0.101 R)
• M8: 4,221,652 km (0.116 R)
• M9: 4,735,371 km (0.042 R)
• M10: 5,428,757 km (0.075 R)
• M11: 6,690,466 km (0.1 R)
• M12: 8,398,424 km (0.118 R)
• M13: 10,164,427 km (0.063 R)
• M14: 10,953,706 km (0.105 R)
• M15: 12,954,278 km (0.104 R)
• M16: 13,464,407 km (0.113 R)
• M17: 13,829,426 km (0.112 R)
• M18: 14,254,732 km (0.034 R)
• M19: 14,688,716 km (0.089 R)
• M20: 15,019,925 km (0.055 R)
• M21: 16,871,648 km (0.048 R)
• M22: 19,262,671 km (0.076 R)
• M23: 20,676,819 km (0.069 R)
• M24: 21,586,075 km (0.084 R)
• M25: 22,231,141 km (0.097 R)
• M26: 22,594,963 km (0.111 R)
• M27: 23,111,076 km (0.096 R)
• M28: 24,474,361 km (0.11 R)
• M29: 26,700,527 km (0.094 R)
• M30: 28,285,816 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.5

Radius: 13.3

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.24 AU - 8.9 AU

Year: 7975 Days

Day: 7.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,391,175 km

• M1: 165,455 km (0.088 R)
• M2: 674,238 km (0.106 R)
• M3: 1,116,299 km (0.088 R)
• M4: 1,904,979 km (0.102 R)
• M5: 2,917,607 km (0.08 R)
• M6: 4,262,343 km (0.112 R)
• M7: 4,782,943 km (0.046 R)
• M8: 5,438,930 km (0.09 R)
• M9: 5,952,948 km (0.119 R)
• M10: 10,368,180 km (0.114 R)
• M11: 14,992,699 km (0.119 R)
• M12: 16,202,945 km (0.055 R)
• M13: 16,731,624 km (0.097 R)
• M14: 19,254,592 km (0.097 R)
• M15: 22,263,604 km (0.11 R)
• M16: 24,092,587 km (0.112 R)
• M17: 24,695,018 km (0.107 R)
• M18: 27,953,709 km (0.088 R)
• M19: 29,003,886 km (0.111 R)
• M20: 30,779,164 km (0.085 R)
• M21: 35,091,472 km (0.101 R)
• M22: 38,374,397 km (0.05 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 19,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit