🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.5 AU - 0.7 AU

Year: 168 Days

Day: 35.5 Hours

Environment

Temp: 156 °C

Axial Tilt: 18.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.55 AU - 0.69 AU

Year: 177 Days

Day: 39.9 Hours

Environment

Temp: 178 °C

Axial Tilt: 47.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.55 AU - 3.39 AU

Year: 1851 Days

Day: 39.3 Hours

Environment

Temp: -96 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.53 AU - 3.97 AU

Year: 2626 Days

Day: 43.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 44.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.8

Radius: 11.1

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.47 AU - 10.05 AU

Year: 9377 Days

Day: 5.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,161,738 km

• M1: 143,764 km (0.11 R)
• M2: 572,062 km (0.111 R)
• M3: 988,094 km (0.084 R)
• M4: 1,397,843 km (0.104 R)
• M5: 2,421,690 km (0.038 R)
• M6: 5,912,706 km (0.1 R)
• M7: 6,266,206 km (0.086 R)
• M8: 7,908,342 km (0.11 R)
• M9: 8,426,250 km (0.113 R)
• M10: 11,095,076 km (0.119 R)
• M11: 12,708,339 km (0.058 R)
• M12: 20,578,234 km (0.108 R)
• M13: 25,146,953 km (0.096 R)
• M14: 29,727,939 km (0.091 R)
• M15: 31,620,502 km (0.104 R)
• M16: 39,497,279 km (0.092 R)
• M17: 41,138,816 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923

Radius: 10.7

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 11.55 AU - 11.65 AU

Year: 14288 Days

Day: 11.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,161,738 km

• M1: 138,378 km (0.119 R)
• M2: 474,076 km (0.1 R)
• M3: 1,048,083 km (0.105 R)
• M4: 1,979,329 km (0.103 R)
• M5: 5,388,366 km (0.099 R)
• M6: 8,511,670 km (0.11 R)
• M7: 9,341,938 km (0.113 R)
• M8: 12,481,100 km (0.09 R)
• M9: 13,211,138 km (0.12 R)
• M10: 18,035,818 km (0.076 R)
• M11: 19,579,220 km (0.106 R)
• M12: 20,564,770 km (0.061 R)
• M13: 24,736,756 km (0.046 R)
• M14: 25,781,996 km (0.095 R)
• M15: 27,848,990 km (0.076 R)
• M16: 31,454,747 km (0.093 R)
• M17: 31,941,689 km (0.096 R)
• M18: 37,090,548 km (0.102 R)
• M19: 43,816,618 km (0.045 R)
• M20: 46,910,003 km (0.082 R)
• M21: 47,865,634 km (0.106 R)
• M22: 49,159,955 km (0.084 R)
• M23: 56,878,906 km (0.094 R)
• M24: 59,065,877 km (0.106 R)

Kuiper Belt

Range: 30.3 - 46.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 147 - 19,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit