🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.4

Radius: 10.1

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.59 AU - 0.85 AU

Year: 407 Days

Day: 7.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,246,801 km

• M1: 127,308 km (0.118 R)
• M2: 463,155 km (0.051 R)
• M3: 809,324 km (0.093 R)
• M4: 1,169,556 km (0.112 R)
• M5: 1,500,317 km (0.055 R)
• M6: 1,924,876 km (0.095 R)
• M7: 2,366,788 km (0.095 R)
• M8: 2,737,043 km (0.053 R)
• M9: 3,092,637 km (0.058 R)
• M10: 3,702,547 km (0.036 R)
• M11: 4,062,031 km (0.092 R)
• M12: 4,924,313 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937

Radius: 8.8

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.64 AU - 0.88 AU

Year: 442 Days

Day: 8.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,246,801 km

• M1: 109,506 km (0.04 R)
• M2: 414,536 km (0.054 R)
• M3: 701,464 km (0.085 R)
• M4: 1,209,499 km (0.086 R)
• M5: 1,744,910 km (0.045 R)
• M6: 2,041,562 km (0.12 R)
• M7: 2,792,095 km (0.087 R)
• M8: 3,297,586 km (0.114 R)
• M9: 3,808,762 km (0.12 R)
• M10: 4,521,147 km (0.083 R)
• M11: 6,532,939 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.3

Radius: 13

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.8 AU - 1.3 AU

Year: 717 Days

Day: 7.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,246,801 km

• M1: 161,715 km (0.029 R)
• M2: 926,160 km (0.071 R)
• M3: 1,621,342 km (0.088 R)
• M4: 2,093,173 km (0.115 R)
• M5: 2,579,965 km (0.107 R)
• M6: 3,055,387 km (0.099 R)
• M7: 3,507,472 km (0.1 R)
• M8: 4,200,708 km (0.042 R)
• M9: 4,646,211 km (0.047 R)
• M10: 5,194,038 km (0.075 R)
• M11: 5,997,977 km (0.105 R)
• M12: 7,482,586 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.2

Radius: 8.6

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.07 AU - 1.25 AU

Year: 833 Days

Day: 5 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,246,801 km

• M1: 106,962 km (0.075 R)
• M2: 377,435 km (0.096 R)
• M3: 661,971 km (0.115 R)
• M4: 1,025,793 km (0.119 R)
• M5: 1,349,971 km (0.117 R)
• M6: 1,666,371 km (0.057 R)
• M7: 2,169,468 km (0.074 R)
• M8: 3,942,951 km (0.111 R)
• M9: 5,176,086 km (0.044 R)
• M10: 5,861,394 km (0.083 R)
• M11: 7,481,539 km (0.1 R)
• M12: 7,984,188 km (0.091 R)
• M13: 8,356,836 km (0.06 R)
• M14: 8,845,572 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.1

Radius: 12.3

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.05 AU - 1.57 AU

Year: 1000 Days

Day: 12 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,246,801 km

• M1: 160,070 km (0.075 R)
• M2: 701,016 km (0.096 R)
• M3: 1,135,747 km (0.085 R)
• M4: 1,703,621 km (0.095 R)
• M5: 2,682,739 km (0.094 R)
• M6: 3,898,969 km (0.108 R)
• M7: 5,008,088 km (0.118 R)
• M8: 5,433,993 km (0.117 R)
• M9: 7,177,407 km (0.116 R)
• M10: 7,915,822 km (0.101 R)
• M11: 9,240,212 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.2

Radius: 11.4

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.5 AU - 1.94 AU

Year: 1504 Days

Day: 10.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,246,801 km

• M1: 142,268 km (0.042 R)
• M2: 554,410 km (0.105 R)
• M3: 992,582 km (0.099 R)
• M4: 1,454,839 km (0.061 R)
• M5: 1,960,929 km (0.119 R)
• M6: 2,689,321 km (0.087 R)
• M7: 3,347,851 km (0.102 R)
• M8: 5,524,500 km (0.067 R)
• M9: 6,415,953 km (0.096 R)
• M10: 6,844,701 km (0.108 R)
• M11: 7,238,891 km (0.03 R)
• M12: 7,648,341 km (0.043 R)
• M13: 8,130,943 km (0.115 R)
• M14: 10,576,719 km (0.098 R)
• M15: 13,073,059 km (0.041 R)
• M16: 14,182,028 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.2

Radius: 14.9

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.66 AU - 4.5 AU

Year: 5496 Days

Day: 13.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,246,801 km

• M1: 186,698 km (0.059 R)
• M2: 711,188 km (0.045 R)
• M3: 1,477,429 km (0.059 R)
• M4: 3,289,208 km (0.113 R)
• M5: 4,291,514 km (0.089 R)
• M6: 5,342,888 km (0.09 R)
• M7: 6,427,024 km (0.029 R)
• M8: 8,501,049 km (0.1 R)
• M9: 10,247,305 km (0.102 R)
• M10: 11,818,381 km (0.105 R)
• M11: 13,820,599 km (0.118 R)
• M12: 16,225,235 km (0.108 R)
• M13: 18,760,321 km (0.083 R)
• M14: 25,684,159 km (0.086 R)
• M15: 27,055,972 km (0.086 R)
• M16: 29,021,389 km (0.093 R)
• M17: 30,604,134 km (0.031 R)
• M18: 33,839,637 km (0.09 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 16,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit