🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.9

Radius: 13.9

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.44 AU - 0.7 AU

Year: 297 Days

Day: 13.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,034,960 km

• M1: 172,935 km (0.116 R)
• M2: 633,996 km (0.063 R)
• M3: 1,078,750 km (0.119 R)
• M4: 1,563,597 km (0.061 R)
• M5: 2,459,838 km (0.094 R)
• M6: 3,138,414 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.4

Radius: 13

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.84 AU - 0.9 AU

Year: 560 Days

Day: 12.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 49,034,960 km

• M1: 162,014 km (0.104 R)
• M2: 947,403 km (0.097 R)
• M3: 1,546,992 km (0.099 R)
• M4: 2,083,150 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.1

Radius: 9.9

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.76 AU - 1.12 AU

Year: 629 Days

Day: 10.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,034,960 km

• M1: 123,119 km (0.09 R)
• M2: 469,289 km (0.1 R)
• M3: 782,846 km (0.089 R)
• M4: 1,265,149 km (0.097 R)
• M5: 1,579,155 km (0.108 R)
• M6: 1,903,483 km (0.093 R)
• M7: 2,453,555 km (0.092 R)
• M8: 2,855,075 km (0.106 R)
• M9: 3,279,485 km (0.12 R)
• M10: 3,734,412 km (0.045 R)
• M11: 4,182,008 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.7

Radius: 9.2

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.01 AU - 1.05 AU

Year: 722 Days

Day: 9.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,034,960 km

• M1: 114,442 km (0.11 R)
• M2: 421,866 km (0.086 R)
• M3: 731,683 km (0.077 R)
• M4: 1,207,255 km (0.073 R)
• M5: 1,662,182 km (0.106 R)
• M6: 2,207,915 km (0.079 R)
• M7: 2,574,131 km (0.078 R)
• M8: 3,306,562 km (0.115 R)
• M9: 3,788,117 km (0.103 R)
• M10: 4,348,511 km (0.104 R)
• M11: 5,070,919 km (0.06 R)
• M12: 5,732,142 km (0.057 R)
• M13: 6,197,241 km (0.064 R)
• M14: 6,731,156 km (0.06 R)
• M15: 8,673,984 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.4

Radius: 10.9

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.07 AU - 1.29 AU

Year: 885 Days

Day: 6.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,034,960 km

• M1: 135,835 km (0.08 R)
• M2: 489,933 km (0.099 R)
• M3: 888,761 km (0.108 R)
• M4: 1,263,803 km (0.113 R)
• M5: 1,845,888 km (0.08 R)
• M6: 2,295,729 km (0.093 R)
• M7: 3,320,026 km (0.096 R)
• M8: 3,712,271 km (0.094 R)
• M9: 4,086,864 km (0.076 R)
• M10: 5,522,555 km (0.094 R)
• M11: 6,118,254 km (0.081 R)
• M12: 6,665,782 km (0.067 R)
• M13: 7,245,773 km (0.1 R)
• M14: 7,859,124 km (0.067 R)
• M15: 9,820,502 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.4

Radius: 13.2

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.42 AU - 2.08 AU

Year: 1598 Days

Day: 8 Hours

Environment

Temp: -196 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,034,960 km

• M1: 164,109 km (0.117 R)
• M2: 1,347,278 km (0.093 R)
• M3: 1,844,243 km (0.062 R)
• M4: 2,499,631 km (0.044 R)
• M5: 2,918,206 km (0.108 R)
• M6: 3,361,763 km (0.082 R)
• M7: 3,961,352 km (0.081 R)
• M8: 5,089,768 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.1

Radius: 4.6

Gravity: 35.78 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.32 AU - 6.44 AU

Year: 9842 Days

Day: 18.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,034,960 km

• M1: 57,446 km (0.11 R)
• M2: 257,757 km (0.094 R)
• M3: 653,144 km (0.065 R)
• M4: 1,053,767 km (0.101 R)
• M5: 1,251,685 km (0.074 R)
• M6: 1,474,287 km (0.072 R)
• M7: 1,692,401 km (0.074 R)
• M8: 2,157,201 km (0.111 R)
• M9: 2,380,551 km (0.067 R)
• M10: 3,711,822 km (0.089 R)
• M11: 3,870,396 km (0.091 R)
• M12: 4,033,308 km (0.111 R)
• M13: 5,819,357 km (0.064 R)
• M14: 6,440,188 km (0.078 R)
• M15: 6,825,403 km (0.106 R)
• M16: 7,769,365 km (0.085 R)
• M17: 8,566,722 km (0.111 R)
• M18: 8,797,402 km (0.11 R)
• M19: 12,657,177 km (0.076 R)
• M20: 13,322,289 km (0.083 R)
• M21: 14,854,021 km (0.118 R)
• M22: 16,856,538 km (0.099 R)
• M23: 19,743,628 km (0.117 R)
• M24: 23,299,719 km (0.036 R)
• M25: 25,322,432 km (0.049 R)
• M26: 25,511,822 km (0.092 R)
• M27: 26,085,979 km (0.065 R)
• M28: 26,766,649 km (0.039 R)
• M29: 28,982,942 km (0.056 R)
• M30: 29,294,405 km (0.105 R)
• M31: 31,318,613 km (0.113 R)
• M32: 34,352,757 km (0.086 R)
• M33: 35,643,039 km (0.118 R)
• M34: 40,607,594 km (0.092 R)
• M35: 45,034,943 km (0.091 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 15,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit