🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.3 AU - 3.28 AU

Year: 1661 Days

Day: 17 Hours

Environment

Temp: -92 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.04 AU - 5.66 AU

Year: 3807 Days

Day: 35.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.8

Radius: 9.7

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.3 AU - 6.54 AU

Year: 4498 Days

Day: 13.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,941,060 km

• M1: 120,576 km (0.118 R)
• M2: 451,786 km (0.069 R)
• M3: 778,507 km (0.1 R)
• M4: 1,288,636 km (0.087 R)
• M5: 1,599,351 km (0.114 R)
• M6: 2,598,665 km (0.053 R)
• M7: 3,670,683 km (0.106 R)
• M8: 4,572,010 km (0.118 R)
• M9: 4,918,928 km (0.078 R)
• M10: 5,850,922 km (0.109 R)
• M11: 6,866,692 km (0.083 R)
• M12: 7,864,659 km (0.093 R)
• M13: 12,124,010 km (0.101 R)
• M14: 14,592,375 km (0.031 R)
• M15: 15,761,183 km (0.056 R)
• M16: 16,610,300 km (0.119 R)
• M17: 18,457,385 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.4

Radius: 8.4

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.49 AU - 6.45 AU

Year: 4560 Days

Day: 7.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,941,060 km

• M1: 112,348 km (0.106 R)
• M2: 401,221 km (0.105 R)
• M3: 716,723 km (0.104 R)
• M4: 1,040,004 km (0.051 R)
• M5: 1,866,533 km (0.096 R)
• M6: 2,508,008 km (0.082 R)
• M7: 3,023,822 km (0.097 R)
• M8: 3,667,093 km (0.086 R)
• M9: 4,487,936 km (0.105 R)
• M10: 7,240,387 km (0.118 R)
• M11: 7,750,666 km (0.066 R)
• M12: 9,995,980 km (0.084 R)
• M13: 10,428,318 km (0.097 R)
• M14: 11,414,766 km (0.077 R)
• M15: 12,062,226 km (0.089 R)
• M16: 12,917,028 km (0.12 R)
• M17: 13,715,731 km (0.039 R)
• M18: 15,204,679 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.7

Radius: 11.1

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.85 AU - 7.07 AU

Year: 5853 Days

Day: 7 Hours

Environment

Temp: -157 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,941,060 km

• M1: 138,228 km (0.058 R)
• M2: 586,573 km (0.083 R)
• M3: 940,522 km (0.111 R)
• M4: 1,327,831 km (0.097 R)
• M5: 2,060,711 km (0.108 R)
• M6: 2,637,560 km (0.112 R)
• M7: 3,066,308 km (0.119 R)
• M8: 4,166,301 km (0.04 R)
• M9: 4,919,676 km (0.112 R)
• M10: 5,698,632 km (0.075 R)
• M11: 6,352,075 km (0.08 R)
• M12: 6,803,262 km (0.045 R)
• M13: 10,537,973 km (0.089 R)
• M14: 11,523,075 km (0.109 R)
• M15: 12,354,540 km (0.114 R)
• M16: 13,169,998 km (0.089 R)
• M17: 15,895,073 km (0.088 R)
• M18: 17,123,122 km (0.118 R)
• M19: 22,354,559 km (0.088 R)
• M20: 26,468,501 km (0.1 R)
• M21: 27,004,660 km (0.1 R)
• M22: 28,844,265 km (0.041 R)
• M23: 30,180,622 km (0.101 R)
• M24: 31,358,706 km (0.095 R)
• M25: 32,567,157 km (0.096 R)
• M26: 34,756,073 km (0.111 R)
• M27: 35,291,484 km (0.12 R)
• M28: 36,598,670 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388

Radius: 11.8

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.31 AU - 8.89 AU

Year: 8990 Days

Day: 6.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,941,060 km

• M1: 147,204 km (0.074 R)
• M2: 879,037 km (0.118 R)
• M3: 1,253,481 km (0.095 R)
• M4: 1,657,694 km (0.084 R)
• M5: 3,302,523 km (0.079 R)
• M6: 4,015,805 km (0.079 R)
• M7: 5,172,496 km (0.104 R)
• M8: 5,593,614 km (0.093 R)
• M9: 6,235,090 km (0.087 R)
• M10: 9,086,724 km (0.047 R)
• M11: 9,479,119 km (0.057 R)
• M12: 10,204,819 km (0.086 R)
• M13: 10,967,169 km (0.097 R)
• M14: 11,513,052 km (0.105 R)
• M15: 13,204,854 km (0.062 R)
• M16: 14,342,995 km (0.078 R)
• M17: 17,674,839 km (0.11 R)
• M18: 18,356,706 km (0.117 R)
• M19: 19,773,248 km (0.108 R)
• M20: 20,285,920 km (0.087 R)
• M21: 23,631,676 km (0.09 R)
• M22: 25,392,443 km (0.118 R)
• M23: 27,059,263 km (0.051 R)
• M24: 27,509,852 km (0.078 R)
• M25: 28,148,934 km (0.049 R)
• M26: 31,693,206 km (0.094 R)
• M27: 33,211,326 km (0.063 R)
• M28: 33,936,127 km (0.065 R)
• M29: 36,610,937 km (0.108 R)

Kuiper Belt

Range: 30.8 - 56.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 14,678 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit