🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.56 AU - 0.72 AU

Year: 184 Days

Day: 38.1 Hours

Environment

Temp: 159 °C

Axial Tilt: 36.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,790,029 km

• M1: 39,494 km (0.067 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.5 AU - 0.8 AU

Year: 189 Days

Day: 39.7 Hours

Environment

Temp: 153 °C

Axial Tilt: 28.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.72 AU - 0.98 AU

Year: 282 Days

Day: 41.2 Hours

Environment

Temp: 104 °C

Axial Tilt: 32.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.42 AU - 1.62 AU

Year: 674 Days

Day: 34.8 Hours

Environment

Temp: -33 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,790,029 km

• M1: 446,250 km (0.119 R)

Asteroid Belt

Center: 4.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.9

Radius: 13.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.67 AU - 9.83 AU

Year: 8528 Days

Day: 5.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,790,029 km

• M1: 167,998 km (0.072 R)
• M2: 640,428 km (0.056 R)
• M3: 1,090,718 km (0.116 R)
• M4: 1,615,507 km (0.101 R)
• M5: 2,434,406 km (0.046 R)
• M6: 2,894,420 km (0.097 R)
• M7: 3,903,008 km (0.072 R)
• M8: 4,343,425 km (0.078 R)
• M9: 5,436,835 km (0.074 R)
• M10: 5,958,483 km (0.116 R)
• M11: 6,450,211 km (0.074 R)
• M12: 7,727,777 km (0.098 R)
• M13: 9,369,913 km (0.089 R)
• M14: 10,646,282 km (0.094 R)
• M15: 11,606,551 km (0.041 R)
• M16: 12,824,277 km (0.106 R)
• M17: 15,228,166 km (0.072 R)
• M18: 17,605,276 km (0.079 R)
• M19: 24,224,533 km (0.055 R)
• M20: 27,031,587 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.9

Radius: 11.8

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 7.93 AU - 10.17 AU

Year: 9798 Days

Day: 5.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,790,029 km

• M1: 146,905 km (0.104 R)
• M2: 597,344 km (0.114 R)
• M3: 1,089,820 km (0.054 R)
• M4: 1,851,423 km (0.066 R)
• M5: 3,956,864 km (0.083 R)
• M6: 6,745,667 km (0.103 R)
• M7: 7,773,405 km (0.086 R)
• M8: 9,131,753 km (0.082 R)
• M9: 10,138,098 km (0.066 R)
• M10: 11,111,083 km (0.103 R)
• M11: 11,593,087 km (0.11 R)
• M12: 12,257,601 km (0.117 R)
• M13: 12,830,561 km (0.045 R)
• M14: 13,906,917 km (0.098 R)
• M15: 14,341,349 km (0.066 R)
• M16: 16,582,326 km (0.117 R)
• M17: 17,931,549 km (0.115 R)
• M18: 18,446,614 km (0.086 R)
• M19: 19,352,729 km (0.081 R)
• M20: 19,816,781 km (0.047 R)
• M21: 21,171,839 km (0.054 R)
• M22: 22,673,203 km (0.065 R)
• M23: 25,331,108 km (0.061 R)
• M24: 38,291,221 km (0.071 R)
• M25: 41,020,783 km (0.094 R)
• M26: 42,303,286 km (0.041 R)
• M27: 43,480,322 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.4

Radius: 13.1

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 8.3 AU - 13.26 AU

Year: 12738 Days

Day: 6.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,790,029 km

• M1: 174,880 km (0.076 R)
• M2: 1,072,467 km (0.078 R)
• M3: 1,930,860 km (0.071 R)
• M4: 2,942,889 km (0.089 R)
• M5: 3,787,220 km (0.102 R)
• M6: 4,435,876 km (0.083 R)
• M7: 5,842,694 km (0.081 R)
• M8: 7,892,335 km (0.059 R)
• M9: 9,519,062 km (0.046 R)
• M10: 13,033,266 km (0.061 R)
• M11: 22,123,580 km (0.088 R)
• M12: 25,529,026 km (0.115 R)
• M13: 29,157,822 km (0.096 R)
• M14: 33,117,079 km (0.07 R)
• M15: 36,896,669 km (0.081 R)
• M16: 38,485,847 km (0.071 R)
• M17: 39,161,282 km (0.089 R)
• M18: 46,662,568 km (0.074 R)
• M19: 50,426,899 km (0.109 R)
• M20: 56,619,503 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.9

Radius: 6

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 19.11 AU - 20.45 AU

Year: 31660 Days

Day: 18.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,790,029 km

• M1: 76,295 km (0.067 R)
• M2: 1,116,299 km (0.069 R)
• M3: 1,418,188 km (0.109 R)
• M4: 1,648,718 km (0.08 R)
• M5: 2,041,861 km (0.119 R)
• M6: 2,912,970 km (0.08 R)
• M7: 3,695,217 km (0.1 R)
• M8: 5,920,485 km (0.104 R)
• M9: 9,926,716 km (0.11 R)
• M10: 12,031,409 km (0.116 R)
• M11: 16,512,015 km (0.083 R)
• M12: 18,383,783 km (0.112 R)
• M13: 19,299,023 km (0.087 R)
• M14: 24,168,583 km (0.115 R)
• M15: 29,416,776 km (0.074 R)
• M16: 31,952,759 km (0.107 R)

Kuiper Belt

Range: 30.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 12,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit