🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.3

Radius: 9.7

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.45 AU - 0.63 AU

Year: 274 Days

Day: 11.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,166,939 km

• M1: 121,324 km (0.114 R)
• M2: 544,985 km (0.112 R)
• M3: 1,253,032 km (0.084 R)
• M4: 1,784,254 km (0.082 R)
• M5: 2,199,089 km (0.054 R)
• M6: 2,629,931 km (0.101 R)
• M7: 2,950,668 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.8

Radius: 13.7

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.82 AU - 1.12 AU

Year: 659 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,166,939 km

• M1: 170,990 km (0.117 R)
• M2: 598,391 km (0.103 R)
• M3: 1,047,783 km (0.039 R)
• M4: 2,078,064 km (0.104 R)
• M5: 2,561,116 km (0.114 R)
• M6: 3,011,106 km (0.117 R)
• M7: 3,487,874 km (0.078 R)
• M8: 3,928,440 km (0.061 R)
• M9: 4,406,405 km (0.029 R)
• M10: 5,793,477 km (0.111 R)
• M11: 6,335,470 km (0.12 R)
• M12: 6,889,880 km (0.11 R)
• M13: 7,499,192 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.5

Radius: 13.4

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.94 AU - 1.02 AU

Year: 670 Days

Day: 14.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,166,939 km

• M1: 166,652 km (0.033 R)
• M2: 931,097 km (0.062 R)
• M3: 1,891,665 km (0.1 R)
• M4: 2,495,741 km (0.096 R)
• M5: 3,025,916 km (0.098 R)
• M6: 3,871,742 km (0.103 R)
• M7: 4,485,842 km (0.109 R)
• M8: 4,961,413 km (0.109 R)
• M9: 5,772,533 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.8

Radius: 9.9

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.19 AU - 1.27 AU

Year: 942 Days

Day: 12.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,166,939 km

• M1: 123,119 km (0.09 R)
• M2: 475,721 km (0.091 R)
• M3: 821,143 km (0.061 R)
• M4: 1,133,653 km (0.071 R)
• M5: 1,527,693 km (0.104 R)
• M6: 2,021,965 km (0.093 R)
• M7: 2,373,969 km (0.069 R)
• M8: 2,848,643 km (0.041 R)
• M9: 3,165,641 km (0.086 R)
• M10: 3,728,129 km (0.107 R)
• M11: 6,016,228 km (0.112 R)
• M12: 6,667,427 km (0.09 R)
• M13: 7,075,979 km (0.053 R)
• M14: 7,615,728 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.2

Radius: 13.6

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.5 AU - 2.22 AU

Year: 1751 Days

Day: 5.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,166,939 km

• M1: 172,038 km (0.047 R)
• M2: 728,990 km (0.058 R)
• M3: 1,177,186 km (0.113 R)
• M4: 1,954,047 km (0.112 R)
• M5: 2,949,920 km (0.083 R)
• M6: 3,706,138 km (0.088 R)
• M7: 4,223,297 km (0.094 R)
• M8: 4,687,799 km (0.114 R)
• M9: 5,953,397 km (0.037 R)
• M10: 6,615,517 km (0.101 R)
• M11: 7,435,912 km (0.096 R)
• M12: 8,204,695 km (0.111 R)
• M13: 11,896,771 km (0.111 R)
• M14: 12,435,024 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981

Radius: 13.4

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.79 AU - 2.79 AU

Year: 2392 Days

Day: 9.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,166,939 km

• M1: 170,841 km (0.103 R)
• M2: 869,164 km (0.057 R)
• M3: 1,308,832 km (0.096 R)
• M4: 2,048,593 km (0.074 R)
• M5: 2,493,797 km (0.114 R)
• M6: 2,954,857 km (0.117 R)
• M7: 3,418,760 km (0.049 R)
• M8: 3,931,282 km (0.083 R)
• M9: 4,451,584 km (0.118 R)
• M10: 6,050,486 km (0.09 R)
• M11: 6,921,893 km (0.111 R)
• M12: 8,135,132 km (0.082 R)
• M13: 8,603,673 km (0.025 R)
• M14: 9,161,374 km (0.114 R)
• M15: 11,512,304 km (0.081 R)
• M16: 13,533,371 km (0.076 R)
• M17: 14,972,952 km (0.071 R)
• M18: 15,987,973 km (0.077 R)
• M19: 17,706,554 km (0.081 R)
• M20: 19,015,834 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629

Radius: 8.7

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.56 AU - 2.84 AU

Year: 3062 Days

Day: 8.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,166,939 km

• M1: 108,159 km (0.105 R)
• M2: 995,723 km (0.101 R)
• M3: 1,272,928 km (0.075 R)
• M4: 1,635,254 km (0.063 R)
• M5: 2,646,835 km (0.097 R)
• M6: 3,314,939 km (0.047 R)
• M7: 3,786,621 km (0.105 R)
• M8: 4,982,806 km (0.082 R)
• M9: 7,300,376 km (0.106 R)
• M10: 9,573,217 km (0.098 R)
• M11: 10,373,116 km (0.08 R)
• M12: 11,093,729 km (0.107 R)
• M13: 12,679,168 km (0.103 R)
• M14: 13,224,302 km (0.063 R)
• M15: 15,925,142 km (0.036 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 12,299 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit