🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.6

Radius: 11.3

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.7 AU - 0.8 AU

Year: 426 Days

Day: 14.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 8,377,199 km

• M1: 140,622 km (0.093 R)
• M2: 510,877 km (0.095 R)
• M3: 969,544 km (0.11 R)
• M4: 1,656,048 km (0.105 R)
• M5: 2,084,347 km (0.085 R)
• M6: 2,473,601 km (0.045 R)
• M7: 2,938,401 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.4

Radius: 10.1

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.43 AU - 1.95 AU

Year: 1441 Days

Day: 14.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 8,377,199 km

• M1: 125,662 km (0.06 R)
• M2: 457,919 km (0.109 R)
• M3: 1,426,266 km (0.091 R)
• M4: 1,821,055 km (0.107 R)
• M5: 2,647,583 km (0.107 R)
• M6: 3,017,688 km (0.067 R)
• M7: 3,335,733 km (0.06 R)
• M8: 4,007,428 km (0.085 R)
• M9: 4,675,981 km (0.075 R)
• M10: 5,743,062 km (0.055 R)
• M11: 6,502,122 km (0.084 R)
• M12: 9,211,938 km (0.065 R)
• M13: 10,007,200 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.8

Radius: 10

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.5 AU - 1.9 AU

Year: 1454 Days

Day: 11.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 80 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 8,377,199 km

• M1: 134,040 km (0.109 R)
• M2: 494,870 km (0.106 R)
• M3: 1,350,570 km (0.101 R)
• M4: 1,716,336 km (0.101 R)
• M5: 2,181,885 km (0.078 R)
• M6: 2,691,266 km (0.113 R)
• M7: 3,031,002 km (0.104 R)
• M8: 5,476,030 km (0.071 R)
• M9: 5,867,976 km (0.089 R)
• M10: 6,781,870 km (0.111 R)
• M11: 7,157,660 km (0.08 R)
• M12: 8,511,969 km (0.058 R)
• M13: 9,099,141 km (0.061 R)
• M14: 11,579,025 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.9

Radius: 11

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.69 AU - 1.89 AU

Year: 1571 Days

Day: 8.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 8,377,199 km

• M1: 136,732 km (0.066 R)
• M2: 535,710 km (0.074 R)
• M3: 880,084 km (0.12 R)
• M4: 1,239,418 km (0.107 R)
• M5: 1,739,973 km (0.086 R)
• M6: 2,503,072 km (0.042 R)
• M7: 2,969,518 km (0.053 R)
• M8: 3,629,544 km (0.053 R)
• M9: 4,604,473 km (0.11 R)
• M10: 5,353,509 km (0.098 R)
• M11: 5,769,541 km (0.043 R)
• M12: 7,286,763 km (0.034 R)
• M13: 7,654,025 km (0.045 R)
• M14: 8,153,084 km (0.105 R)
• M15: 10,511,644 km (0.118 R)
• M16: 10,944,879 km (0.069 R)
• M17: 12,002,237 km (0.088 R)
• M18: 13,757,020 km (0.041 R)
• M19: 14,232,143 km (0.089 R)
• M20: 15,491,009 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598

Radius: 12.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.99 AU - 2.05 AU

Year: 1883 Days

Day: 8.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 8,377,199 km

• M1: 160,668 km (0.114 R)
• M2: 562,488 km (0.12 R)
• M3: 1,455,138 km (0.079 R)
• M4: 2,044,255 km (0.106 R)
• M5: 2,803,763 km (0.105 R)
• M6: 3,624,308 km (0.064 R)
• M7: 4,027,623 km (0.108 R)
• M8: 4,519,950 km (0.064 R)
• M9: 5,649,564 km (0.086 R)
• M10: 6,801,168 km (0.114 R)
• M11: 7,586,557 km (0.099 R)
• M12: 8,371,198 km (0.086 R)
• M13: 9,018,358 km (0.071 R)
• M14: 9,865,531 km (0.115 R)
• M15: 10,447,616 km (0.095 R)
• M16: 10,944,131 km (0.049 R)
• M17: 11,456,504 km (0.111 R)
• M18: 12,254,908 km (0.045 R)
• M19: 12,968,490 km (0.096 R)
• M20: 13,625,823 km (0.117 R)
• M21: 14,566,045 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.1

Radius: 15

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.98 AU - 2.38 AU

Year: 2112 Days

Day: 7.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 56.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 8,377,199 km

• M1: 186,549 km (0.072 R)
• M2: 673,340 km (0.076 R)
• M3: 1,244,205 km (0.075 R)
• M4: 2,216,143 km (0.112 R)
• M5: 2,820,219 km (0.12 R)
• M6: 3,756,253 km (0.06 R)
• M7: 4,522,942 km (0.058 R)
• M8: 5,302,497 km (0.048 R)
• M9: 6,522,916 km (0.091 R)
• M10: 7,077,026 km (0.09 R)
• M11: 9,683,321 km (0.091 R)
• M12: 10,300,861 km (0.085 R)
• M13: 12,077,634 km (0.104 R)
• M14: 12,632,493 km (0.114 R)
• M15: 13,287,432 km (0.091 R)
• M16: 13,793,372 km (0.111 R)
• M17: 14,844,148 km (0.099 R)
• M18: 15,666,787 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.5

Radius: 9

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.26 AU - 2.5 AU

Year: 2409 Days

Day: 7.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 8,377,199 km

• M1: 111,899 km (0.104 R)
• M2: 587,770 km (0.053 R)
• M3: 1,099,694 km (0.06 R)
• M4: 1,515,127 km (0.108 R)
• M5: 1,858,305 km (0.078 R)
• M6: 2,429,170 km (0.099 R)
• M7: 2,743,027 km (0.083 R)
• M8: 3,242,983 km (0.082 R)
• M9: 3,918,567 km (0.068 R)
• M10: 5,073,911 km (0.099 R)
• M11: 6,256,033 km (0.049 R)
• M12: 7,352,287 km (0.065 R)
• M13: 9,125,171 km (0.039 R)
• M14: 9,425,863 km (0.057 R)
• M15: 11,545,216 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.8

Radius: 8.2

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.52 AU - 3.66 AU

Year: 3563 Days

Day: 11.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 8,377,199 km

• M1: 103,522 km (0.057 R)
• M2: 478,564 km (0.05 R)
• M3: 1,000,062 km (0.098 R)
• M4: 1,369,120 km (0.08 R)
• M5: 2,761,726 km (0.077 R)
• M6: 3,190,623 km (0.119 R)
• M7: 4,275,657 km (0.082 R)
• M8: 4,698,121 km (0.084 R)
• M9: 5,130,309 km (0.105 R)
• M10: 5,760,565 km (0.112 R)
• M11: 7,264,323 km (0.068 R)
• M12: 7,771,909 km (0.066 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: 274 - 11,255 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit