🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.2

Radius: 14.1

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.79 AU - 0.81 AU

Year: 477 Days

Day: 5.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,917,804 km

• M1: 175,478 km (0.118 R)
• M2: 660,325 km (0.106 R)
• M3: 1,539,512 km (0.04 R)
• M4: 2,118,755 km (0.092 R)
• M5: 2,660,149 km (0.099 R)
• M6: 3,138,115 km (0.109 R)
• M7: 4,569,467 km (0.113 R)
• M8: 6,654,861 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.2

Radius: 14

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.66 AU - 1.04 AU

Year: 523 Days

Day: 12 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,917,804 km

• M1: 174,581 km (0.07 R)
• M2: 610,659 km (0.063 R)
• M3: 1,220,419 km (0.114 R)
• M4: 2,270,746 km (0.096 R)
• M5: 2,848,343 km (0.11 R)
• M6: 3,290,555 km (0.048 R)
• M7: 3,859,176 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.2

Radius: 11.3

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.92 AU - 2.64 AU

Year: 2296 Days

Day: 11.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,917,804 km

• M1: 140,472 km (0.106 R)
• M2: 521,648 km (0.116 R)
• M3: 916,885 km (0.074 R)
• M4: 1,311,076 km (0.096 R)
• M5: 1,708,258 km (0.095 R)
• M6: 2,147,627 km (0.043 R)
• M7: 2,707,572 km (0.104 R)
• M8: 3,223,834 km (0.113 R)
• M9: 4,040,638 km (0.117 R)
• M10: 4,650,998 km (0.082 R)
• M11: 5,036,661 km (0.063 R)
• M12: 5,847,033 km (0.073 R)
• M13: 6,972,607 km (0.056 R)
• M14: 7,449,076 km (0.075 R)
• M15: 8,043,130 km (0.093 R)
• M16: 9,079,843 km (0.045 R)
• M17: 9,576,358 km (0.08 R)
• M18: 10,203,622 km (0.119 R)
• M19: 10,976,445 km (0.082 R)
• M20: 11,704,837 km (0.045 R)
• M21: 14,847,589 km (0.045 R)
• M22: 15,738,743 km (0.107 R)
• M23: 16,352,244 km (0.093 R)
• M24: 18,011,584 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.5

Radius: 9.3

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.38 AU - 3.14 AU

Year: 3058 Days

Day: 12.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,917,804 km

• M1: 116,088 km (0.114 R)
• M2: 506,239 km (0.114 R)
• M3: 872,305 km (0.074 R)
• M4: 1,407,267 km (0.082 R)
• M5: 1,709,305 km (0.115 R)
• M6: 2,043,657 km (0.089 R)
• M7: 2,383,244 km (0.056 R)
• M8: 3,054,041 km (0.098 R)
• M9: 3,635,827 km (0.115 R)
• M10: 4,405,956 km (0.077 R)
• M11: 4,913,841 km (0.056 R)
• M12: 5,370,264 km (0.085 R)
• M13: 7,484,381 km (0.107 R)
• M14: 9,594,609 km (0.096 R)
• M15: 10,204,520 km (0.112 R)
• M16: 10,518,974 km (0.099 R)
• M17: 10,912,267 km (0.103 R)
• M18: 11,919,061 km (0.056 R)
• M19: 13,945,514 km (0.088 R)
• M20: 14,995,391 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.9

Radius: 12.8

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.83 AU - 2.87 AU

Year: 3208 Days

Day: 11.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,917,804 km

• M1: 159,172 km (0.09 R)
• M2: 998,566 km (0.058 R)
• M3: 1,927,868 km (0.11 R)
• M4: 2,595,972 km (0.117 R)
• M5: 3,606,057 km (0.106 R)
• M6: 4,227,037 km (0.115 R)
• M7: 5,704,765 km (0.086 R)
• M8: 6,826,899 km (0.047 R)
• M9: 7,857,329 km (0.084 R)
• M10: 8,329,609 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.7

Radius: 10.4

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.34 AU - 3.62 AU

Year: 3430 Days

Day: 11 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,917,804 km

• M1: 129,402 km (0.104 R)
• M2: 595,848 km (0.116 R)
• M3: 976,126 km (0.076 R)
• M4: 1,401,582 km (0.116 R)
• M5: 2,075,970 km (0.058 R)
• M6: 2,444,280 km (0.088 R)
• M7: 2,824,258 km (0.112 R)
• M8: 3,478,300 km (0.114 R)
• M9: 3,861,271 km (0.105 R)
• M10: 4,358,384 km (0.074 R)
• M11: 4,851,010 km (0.083 R)
• M12: 5,582,394 km (0.108 R)
• M13: 6,757,037 km (0.118 R)
• M14: 7,797,041 km (0.095 R)
• M15: 8,254,960 km (0.04 R)
• M16: 9,849,823 km (0.067 R)
• M17: 14,305,296 km (0.117 R)
• M18: 15,293,989 km (0.079 R)
• M19: 15,960,597 km (0.113 R)
• M20: 16,807,620 km (0.039 R)
• M21: 19,291,393 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.7

Radius: 10.3

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.61 AU - 3.67 AU

Year: 3710 Days

Day: 9.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,917,804 km

• M1: 128,355 km (0.116 R)
• M2: 464,501 km (0.077 R)
• M3: 1,267,992 km (0.094 R)
• M4: 1,996,982 km (0.12 R)
• M5: 2,318,917 km (0.071 R)
• M6: 2,660,299 km (0.113 R)
• M7: 3,035,490 km (0.106 R)
• M8: 3,873,238 km (0.102 R)
• M9: 4,626,015 km (0.114 R)
• M10: 5,122,680 km (0.064 R)
• M11: 5,893,857 km (0.108 R)
• M12: 6,478,336 km (0.097 R)
• M13: 7,633,979 km (0.102 R)
• M14: 8,261,094 km (0.074 R)
• M15: 9,580,397 km (0.115 R)
• M16: 10,628,330 km (0.07 R)
• M17: 11,452,615 km (0.088 R)
• M18: 12,010,914 km (0.086 R)
• M19: 12,677,522 km (0.116 R)
• M20: 13,228,341 km (0.06 R)
• M21: 14,036,020 km (0.04 R)
• M22: 14,775,632 km (0.096 R)
• M23: 16,494,063 km (0.086 R)
• M24: 19,286,008 km (0.042 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 16,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit