🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.8

Radius: 11.8

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.58 AU - 0.8 AU

Year: 370 Days

Day: 9.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,461,128 km

• M1: 146,756 km (0.102 R)
• M2: 524,341 km (0.116 R)
• M3: 892,650 km (0.117 R)
• M4: 1,439,431 km (0.114 R)
• M5: 2,034,681 km (0.116 R)
• M6: 3,051,797 km (0.076 R)
• M7: 3,867,853 km (0.083 R)
• M8: 4,261,595 km (0.116 R)
• M9: 4,654,439 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.5

Radius: 12

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.9 AU - 0.96 AU

Year: 579 Days

Day: 13.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,461,128 km

• M1: 149,299 km (0.113 R)
• M2: 531,671 km (0.099 R)
• M3: 905,815 km (0.068 R)
• M4: 1,360,293 km (0.044 R)
• M5: 1,778,569 km (0.102 R)
• M6: 2,591,783 km (0.075 R)
• M7: 2,985,375 km (0.09 R)
• M8: 3,521,235 km (0.05 R)
• M9: 4,077,739 km (0.1 R)
• M10: 4,583,080 km (0.115 R)
• M11: 6,413,410 km (0.119 R)
• M12: 6,954,057 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.4

Radius: 13.4

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.08 AU - 1.62 AU

Year: 1013 Days

Day: 6.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,461,128 km

• M1: 166,802 km (0.088 R)
• M2: 684,111 km (0.079 R)
• M3: 1,455,587 km (0.047 R)
• M4: 1,942,229 km (0.077 R)
• M5: 2,902,947 km (0.095 R)
• M6: 3,530,360 km (0.091 R)
• M7: 4,894,992 km (0.086 R)
• M8: 5,380,437 km (0.047 R)
• M9: 6,178,392 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.2

Radius: 10.6

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.85 AU - 2.97 AU

Year: 3205 Days

Day: 10.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,461,128 km

• M1: 131,945 km (0.098 R)
• M2: 780,153 km (0.115 R)
• M3: 1,128,866 km (0.051 R)
• M4: 1,867,131 km (0.056 R)
• M5: 2,207,317 km (0.119 R)
• M6: 3,193,167 km (0.107 R)
• M7: 3,802,778 km (0.09 R)
• M8: 4,190,087 km (0.085 R)
• M9: 4,780,849 km (0.085 R)
• M10: 5,169,803 km (0.098 R)
• M11: 5,691,301 km (0.084 R)
• M12: 6,367,933 km (0.112 R)
• M13: 7,202,389 km (0.104 R)
• M14: 7,550,504 km (0.09 R)
• M15: 8,722,902 km (0.074 R)
• M16: 9,057,104 km (0.106 R)
• M17: 9,526,841 km (0.103 R)
• M18: 12,502,193 km (0.095 R)
• M19: 13,403,221 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.8

Radius: 9.7

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.01 AU - 4.39 AU

Year: 4595 Days

Day: 9.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,461,128 km

• M1: 125,513 km (0.115 R)
• M2: 435,479 km (0.11 R)
• M3: 804,388 km (0.086 R)
• M4: 1,614,161 km (0.081 R)
• M5: 2,717,296 km (0.082 R)
• M6: 3,046,261 km (0.107 R)
• M7: 4,778,156 km (0.063 R)
• M8: 5,161,426 km (0.067 R)
• M9: 7,301,722 km (0.11 R)
• M10: 8,344,868 km (0.077 R)
• M11: 9,045,286 km (0.077 R)
• M12: 9,558,706 km (0.117 R)
• M13: 13,149,354 km (0.069 R)
• M14: 16,024,176 km (0.081 R)
• M15: 17,495,621 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391

Radius: 14.4

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.93 AU - 5.59 AU

Year: 6705 Days

Day: 7.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,461,128 km

• M1: 179,218 km (0.056 R)
• M2: 872,754 km (0.108 R)
• M3: 1,488,648 km (0.115 R)
• M4: 2,374,866 km (0.117 R)
• M5: 2,956,952 km (0.115 R)
• M6: 4,055,897 km (0.115 R)
• M7: 4,560,940 km (0.094 R)
• M8: 5,108,169 km (0.118 R)
• M9: 5,816,664 km (0.056 R)
• M10: 7,222,884 km (0.06 R)
• M11: 8,267,078 km (0.095 R)
• M12: 11,109,138 km (0.047 R)
• M13: 11,671,177 km (0.119 R)
• M14: 12,801,688 km (0.116 R)
• M15: 14,939,891 km (0.102 R)
• M16: 15,976,005 km (0.091 R)
• M17: 18,449,756 km (0.108 R)
• M18: 18,907,675 km (0.08 R)
• M19: 19,710,118 km (0.094 R)
• M20: 20,885,808 km (0.088 R)
• M21: 22,699,083 km (0.062 R)
• M22: 24,773,108 km (0.11 R)
• M23: 25,572,410 km (0.097 R)
• M24: 27,561,014 km (0.03 R)
• M25: 29,030,664 km (0.105 R)
• M26: 30,099,241 km (0.096 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 16,121 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit