🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.43 AU - 0.57 AU

Year: 131 Days

Day: 36.3 Hours

Environment

Temp: 213 °C

Axial Tilt: 22.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.71 AU - 0.91 AU

Year: 270 Days

Day: 17.6 Hours

Environment

Temp: 105 °C

Axial Tilt: 26.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.27 AU - 3.51 AU

Year: 1822 Days

Day: 35 Hours

Environment

Temp: -105 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.87 AU - 4.41 AU

Year: 2575 Days

Day: 23.4 Hours

Environment

Temp: -118 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.65 AU - 4.41 AU

Year: 3000 Days

Day: 14.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.9

Radius: 11.8

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.56 AU - 5.94 AU

Year: 4461 Days

Day: 13.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,455,658 km

• M1: 170,542 km (0.113 R)
• M2: 3,478,599 km (0.119 R)
• M3: 3,972,272 km (0.076 R)
• M4: 4,636,188 km (0.112 R)
• M5: 6,095,066 km (0.088 R)
• M6: 6,558,819 km (0.112 R)
• M7: 7,112,780 km (0.114 R)
• M8: 7,557,236 km (0.106 R)
• M9: 7,984,038 km (0.053 R)
• M10: 10,451,506 km (0.089 R)
• M11: 12,145,402 km (0.078 R)
• M12: 19,156,606 km (0.077 R)
• M13: 20,358,325 km (0.067 R)
• M14: 21,966,054 km (0.116 R)
• M15: 22,617,702 km (0.099 R)
• M16: 24,035,740 km (0.046 R)
• M17: 25,196,470 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.4

Radius: 15

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.17 AU - 6.01 AU

Year: 4901 Days

Day: 9.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,455,658 km

• M1: 186,549 km (0.077 R)
• M2: 1,019,360 km (0.1 R)
• M3: 1,527,544 km (0.096 R)
• M4: 2,010,745 km (0.037 R)
• M5: 2,565,304 km (0.083 R)
• M6: 3,127,044 km (0.098 R)
• M7: 4,775,314 km (0.117 R)
• M8: 6,816,577 km (0.032 R)
• M9: 7,347,649 km (0.064 R)
• M10: 10,518,077 km (0.11 R)
• M11: 11,877,772 km (0.049 R)
• M12: 12,649,398 km (0.118 R)
• M13: 13,249,883 km (0.101 R)
• M14: 15,503,276 km (0.091 R)
• M15: 17,445,056 km (0.113 R)
• M16: 19,215,996 km (0.09 R)
• M17: 20,965,394 km (0.099 R)
• M18: 23,187,371 km (0.072 R)
• M19: 24,856,733 km (0.086 R)
• M20: 25,483,249 km (0.051 R)
• M21: 28,604,310 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.3

Radius: 7.8

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 17 AU - 17.14 AU

Year: 26155 Days

Day: 22.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,455,658 km

• M1: 101,427 km (0.115 R)
• M2: 703,110 km (0.108 R)
• M3: 1,076,805 km (0.115 R)
• M4: 2,185,774 km (0.092 R)
• M5: 2,729,264 km (0.073 R)
• M6: 3,272,304 km (0.03 R)
• M7: 4,793,864 km (0.072 R)
• M8: 5,139,285 km (0.076 R)
• M9: 6,457,990 km (0.036 R)
• M10: 9,686,612 km (0.111 R)
• M11: 10,684,430 km (0.092 R)
• M12: 12,737,212 km (0.101 R)
• M13: 18,992,198 km (0.114 R)
• M14: 20,350,696 km (0.11 R)
• M15: 20,750,421 km (0.093 R)
• M16: 21,668,952 km (0.115 R)
• M17: 22,828,037 km (0.119 R)
• M18: 25,154,882 km (0.108 R)
• M19: 28,871,940 km (0.117 R)
• M20: 31,190,109 km (0.103 R)
• M21: 35,612,521 km (0.075 R)
• M22: 36,339,268 km (0.059 R)
• M23: 36,632,779 km (0.111 R)
• M24: 40,750,759 km (0.116 R)
• M25: 42,676,233 km (0.088 R)
• M26: 48,105,589 km (0.106 R)
• M27: 52,467,564 km (0.099 R)
• M28: 62,597,284 km (0.059 R)
• M29: 78,515,694 km (0.079 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: 214 - 18,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit