🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.4

Radius: 8.2

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.64 AU - 0.66 AU

Year: 349 Days

Day: 8.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,736,256 km

• M1: 102,026 km (0.108 R)
• M2: 371,003 km (0.104 R)
• M3: 691,441 km (0.114 R)
• M4: 967,150 km (0.118 R)
• M5: 1,499,270 km (0.075 R)
• M6: 1,828,684 km (0.071 R)
• M7: 2,354,371 km (0.094 R)
• M8: 3,513,156 km (0.055 R)
• M9: 4,099,430 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.2

Radius: 13.2

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.02 AU - 1.28 AU

Year: 822 Days

Day: 9.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,736,256 km

• M1: 164,258 km (0.095 R)
• M2: 693,087 km (0.111 R)
• M3: 1,217,727 km (0.114 R)
• M4: 1,650,214 km (0.084 R)
• M5: 2,177,846 km (0.077 R)
• M6: 2,771,151 km (0.078 R)
• M7: 3,776,748 km (0.117 R)
• M8: 4,396,083 km (0.088 R)
• M9: 4,908,755 km (0.043 R)
• M10: 5,350,966 km (0.072 R)
• M11: 5,897,597 km (0.081 R)
• M12: 6,481,178 km (0.056 R)
• M13: 7,125,347 km (0.104 R)
• M14: 8,147,100 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.1

Radius: 13.5

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.91 AU - 1.43 AU

Year: 844 Days

Day: 11.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,736,256 km

• M1: 167,849 km (0.079 R)
• M2: 771,925 km (0.026 R)
• M3: 1,347,578 km (0.075 R)
• M4: 1,794,576 km (0.119 R)
• M5: 2,464,924 km (0.044 R)
• M6: 4,019,396 km (0.091 R)
• M7: 5,371,611 km (0.11 R)
• M8: 6,062,304 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256

Radius: 14.1

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.24 AU - 1.5 AU

Year: 1069 Days

Day: 5.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,736,256 km

• M1: 175,329 km (0.103 R)
• M2: 1,392,607 km (0.101 R)
• M3: 2,094,669 km (0.106 R)
• M4: 2,705,777 km (0.115 R)
• M5: 3,460,498 km (0.118 R)
• M6: 4,097,336 km (0.116 R)
• M7: 4,585,773 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.2

Radius: 12.7

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.45 AU - 2.07 AU

Year: 1557 Days

Day: 12.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,736,256 km

• M1: 157,975 km (0.117 R)
• M2: 722,707 km (0.115 R)
• M3: 1,160,131 km (0.12 R)
• M4: 1,619,397 km (0.099 R)
• M5: 2,153,162 km (0.1 R)
• M6: 2,612,727 km (0.048 R)
• M7: 3,289,807 km (0.048 R)
• M8: 3,803,975 km (0.086 R)
• M9: 4,825,728 km (0.086 R)
• M10: 5,365,028 km (0.102 R)
• M11: 5,905,974 km (0.091 R)
• M12: 8,079,781 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.9

Radius: 10.6

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.8 AU - 3.54 AU

Year: 3764 Days

Day: 9.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,736,256 km

• M1: 131,945 km (0.098 R)
• M2: 623,374 km (0.079 R)
• M3: 1,074,861 km (0.043 R)
• M4: 1,717,832 km (0.076 R)
• M5: 2,078,662 km (0.103 R)
• M6: 2,868,988 km (0.072 R)
• M7: 3,539,785 km (0.11 R)
• M8: 4,521,596 km (0.09 R)
• M9: 5,166,811 km (0.111 R)
• M10: 7,145,841 km (0.087 R)
• M11: 7,744,831 km (0.037 R)
• M12: 10,863,498 km (0.086 R)
• M13: 12,771,918 km (0.111 R)
• M14: 14,213,892 km (0.12 R)
• M15: 14,894,263 km (0.045 R)
• M16: 24,169,930 km (0.042 R)
• M17: 25,595,448 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907

Radius: 15

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.93 AU - 3.71 AU

Year: 4034 Days

Day: 7.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,736,256 km

• M1: 186,698 km (0.109 R)
• M2: 882,777 km (0.119 R)
• M3: 1,753,137 km (0.116 R)
• M4: 2,456,397 km (0.114 R)
• M5: 3,207,827 km (0.047 R)
• M6: 4,533,863 km (0.077 R)
• M7: 5,990,647 km (0.106 R)
• M8: 7,291,400 km (0.074 R)
• M9: 7,847,456 km (0.074 R)
• M10: 8,850,360 km (0.113 R)
• M11: 9,484,056 km (0.12 R)
• M12: 11,569,002 km (0.094 R)
• M13: 12,424,702 km (0.092 R)
• M14: 13,169,699 km (0.083 R)
• M15: 13,734,880 km (0.063 R)
• M16: 14,585,792 km (0.088 R)
• M17: 16,807,770 km (0.101 R)
• M18: 17,473,330 km (0.072 R)
• M19: 18,345,785 km (0.057 R)
• M20: 21,068,766 km (0.106 R)
• M21: 22,417,839 km (0.032 R)
• M22: 24,051,149 km (0.083 R)
• M23: 25,922,020 km (0.104 R)
• M24: 26,811,230 km (0.095 R)
• M25: 27,304,903 km (0.049 R)
• M26: 28,480,143 km (0.059 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: 291 - 10,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit