🌌 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 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.8

Radius: 14.3

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.55 AU - 0.65 AU

Year: 310 Days

Day: 11.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,028,331 km

• M1: 177,872 km (0.076 R)
• M2: 624,870 km (0.119 R)
• M3: 1,152,951 km (0.054 R)
• M4: 1,627,176 km (0.104 R)
• M5: 2,142,242 km (0.087 R)
• M6: 3,415,619 km (0.064 R)
• M7: 4,299,592 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.5

Radius: 13.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.53 AU - 0.71 AU

Year: 326 Days

Day: 9.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 111.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,028,331 km

• M1: 162,912 km (0.084 R)
• M2: 704,456 km (0.094 R)
• M3: 1,404,724 km (0.098 R)
• M4: 1,822,102 km (0.108 R)
• M5: 2,572,335 km (0.113 R)
• M6: 3,060,772 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.3

Radius: 12.8

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.46 AU - 2 AU

Year: 1517 Days

Day: 10.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,028,331 km

• M1: 161,865 km (0.095 R)
• M2: 670,348 km (0.083 R)
• M3: 1,428,809 km (0.051 R)
• M4: 1,952,402 km (0.094 R)
• M5: 2,538,227 km (0.082 R)
• M6: 3,787,519 km (0.076 R)
• M7: 4,359,432 km (0.102 R)
• M8: 4,886,315 km (0.052 R)
• M9: 5,325,235 km (0.075 R)
• M10: 6,021,763 km (0.09 R)
• M11: 6,502,720 km (0.043 R)
• M12: 7,061,319 km (0.112 R)
• M13: 8,333,499 km (0.116 R)
• M14: 10,623,842 km (0.085 R)
• M15: 12,404,805 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.9

Radius: 10.4

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.78 AU - 1.96 AU

Year: 1705 Days

Day: 8.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,028,331 km

• M1: 129,402 km (0.104 R)
• M2: 566,228 km (0.064 R)
• M3: 1,010,982 km (0.119 R)
• M4: 1,524,253 km (0.071 R)
• M5: 1,915,152 km (0.114 R)
• M6: 2,698,297 km (0.11 R)
• M7: 4,329,662 km (0.087 R)
• M8: 4,698,121 km (0.096 R)
• M9: 7,275,543 km (0.109 R)
• M10: 8,551,164 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.6

Radius: 8.8

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.01 AU - 2.09 AU

Year: 1957 Days

Day: 14.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,028,331 km

• M1: 109,805 km (0.065 R)
• M2: 406,158 km (0.088 R)
• M3: 785,688 km (0.087 R)
• M4: 1,226,553 km (0.083 R)
• M5: 1,562,101 km (0.115 R)
• M6: 2,291,241 km (0.114 R)
• M7: 2,985,076 km (0.111 R)
• M8: 3,536,942 km (0.102 R)
• M9: 3,879,522 km (0.118 R)
• M10: 4,208,338 km (0.104 R)
• M11: 4,843,680 km (0.098 R)
• M12: 5,184,613 km (0.026 R)
• M13: 5,520,012 km (0.106 R)
• M14: 6,760,777 km (0.069 R)
• M15: 7,238,592 km (0.102 R)
• M16: 8,122,117 km (0.06 R)
• M17: 8,517,953 km (0.065 R)
• M18: 9,256,817 km (0.116 R)
• M19: 10,527,202 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.7

Radius: 13.5

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.09 AU - 3.29 AU

Year: 2942 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,028,331 km

• M1: 167,849 km (0.117 R)
• M2: 765,193 km (0.091 R)
• M3: 1,902,287 km (0.108 R)
• M4: 2,508,906 km (0.119 R)
• M5: 2,999,886 km (0.083 R)
• M6: 3,990,673 km (0.114 R)
• M7: 4,734,324 km (0.115 R)
• M8: 5,313,417 km (0.06 R)
• M9: 5,831,923 km (0.1 R)
• M10: 6,732,203 km (0.108 R)
• M11: 7,434,865 km (0.095 R)
• M12: 8,253,763 km (0.033 R)
• M13: 8,844,376 km (0.078 R)
• M14: 11,324,858 km (0.041 R)
• M15: 12,187,140 km (0.054 R)
• M16: 13,609,666 km (0.118 R)
• M17: 14,385,930 km (0.07 R)
• M18: 15,710,170 km (0.117 R)
• M19: 17,169,647 km (0.088 R)
• M20: 19,014,488 km (0.08 R)
• M21: 19,678,254 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.1

Radius: 7.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.13 AU - 10.49 AU

Year: 20490 Days

Day: 21.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,028,331 km

• M1: 90,806 km (0.084 R)
• M2: 625,469 km (0.096 R)
• M3: 1,143,377 km (0.097 R)
• M4: 1,489,097 km (0.108 R)
• M5: 1,919,341 km (0.104 R)
• M6: 2,226,465 km (0.112 R)
• M7: 2,939,748 km (0.097 R)
• M8: 3,397,368 km (0.069 R)
• M9: 3,848,704 km (0.09 R)
• M10: 4,367,959 km (0.109 R)
• M11: 5,922,879 km (0.089 R)
• M12: 9,201,615 km (0.063 R)
• M13: 10,797,226 km (0.098 R)
• M14: 11,169,426 km (0.104 R)
• M15: 11,605,204 km (0.065 R)
• M16: 12,109,050 km (0.03 R)
• M17: 13,220,413 km (0.067 R)
• M18: 13,523,947 km (0.066 R)
• M19: 15,376,567 km (0.101 R)
• M20: 15,847,800 km (0.064 R)
• M21: 18,804,303 km (0.077 R)
• M22: 19,188,171 km (0.118 R)
• M23: 22,365,031 km (0.096 R)
• M24: 25,035,353 km (0.081 R)
• M25: 26,929,113 km (0.112 R)
• M26: 37,481,148 km (0.106 R)
• M27: 38,704,260 km (0.116 R)
• M28: 44,132,868 km (0.114 R)
• M29: 44,811,145 km (0.061 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 15,189 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit