🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509

Radius: 11.8

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.54 AU - 0.58 AU

Year: 284 Days

Day: 13.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,981,215 km

• M1: 146,756 km (0.056 R)
• M2: 628,012 km (0.101 R)
• M3: 1,026,840 km (0.107 R)
• M4: 1,494,782 km (0.097 R)
• M5: 2,391,023 km (0.084 R)
• M6: 2,893,821 km (0.115 R)
• M7: 3,352,488 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.3

Radius: 11

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.47 AU - 0.69 AU

Year: 300 Days

Day: 13 Hours

Environment

Temp: -158 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,981,215 km

• M1: 136,732 km (0.09 R)
• M2: 698,472 km (0.05 R)
• M3: 1,122,433 km (0.078 R)
• M4: 1,551,928 km (0.081 R)
• M5: 2,003,863 km (0.044 R)
• M6: 2,401,644 km (0.11 R)
• M7: 3,078,874 km (0.046 R)
• M8: 3,856,633 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.3

Radius: 12.5

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.04 AU - 2.16 AU

Year: 2064 Days

Day: 8 Hours

Environment

Temp: -195 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,981,215 km

• M1: 155,582 km (0.108 R)
• M2: 569,519 km (0.11 R)
• M3: 1,199,775 km (0.037 R)
• M4: 2,296,477 km (0.087 R)
• M5: 3,298,783 km (0.072 R)
• M6: 3,844,067 km (0.088 R)
• M7: 4,742,701 km (0.115 R)
• M8: 5,654,650 km (0.064 R)
• M9: 6,281,764 km (0.066 R)
• M10: 6,954,955 km (0.113 R)
• M11: 7,645,947 km (0.086 R)
• M12: 8,162,658 km (0.059 R)
• M13: 8,702,707 km (0.113 R)
• M14: 10,284,405 km (0.116 R)
• M15: 10,689,516 km (0.094 R)
• M16: 12,751,274 km (0.118 R)
• M17: 14,831,881 km (0.116 R)
• M18: 16,471,773 km (0.043 R)
• M19: 17,027,529 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.9

Radius: 13.4

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.13 AU - 2.47 AU

Year: 2366 Days

Day: 11.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,981,215 km

• M1: 169,345 km (0.103 R)
• M2: 875,297 km (0.081 R)
• M3: 1,311,525 km (0.11 R)
• M4: 2,451,760 km (0.107 R)
• M5: 3,400,659 km (0.091 R)
• M6: 6,742,526 km (0.07 R)
• M7: 7,308,754 km (0.045 R)
• M8: 9,672,849 km (0.088 R)
• M9: 11,436,308 km (0.104 R)
• M10: 13,405,316 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.9

Radius: 14.6

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.22 AU - 2.42 AU

Year: 2397 Days

Day: 13.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,981,215 km

• M1: 181,612 km (0.035 R)
• M2: 666,309 km (0.06 R)
• M3: 2,292,438 km (0.11 R)
• M4: 3,437,609 km (0.098 R)
• M5: 4,463,701 km (0.09 R)
• M6: 5,867,378 km (0.098 R)
• M7: 7,332,240 km (0.053 R)
• M8: 9,153,295 km (0.07 R)
• M9: 11,403,696 km (0.035 R)
• M10: 12,911,493 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.4

Radius: 13.3

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.95 AU - 3.03 AU

Year: 2665 Days

Day: 9 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,981,215 km

• M1: 165,904 km (0.06 R)
• M2: 752,477 km (0.085 R)
• M3: 1,473,539 km (0.046 R)
• M4: 2,153,013 km (0.096 R)
• M5: 3,504,181 km (0.077 R)
• M6: 4,062,779 km (0.034 R)
• M7: 4,770,377 km (0.087 R)
• M8: 5,998,127 km (0.07 R)
• M9: 9,177,231 km (0.095 R)
• M10: 16,274,603 km (0.107 R)
• M11: 17,341,086 km (0.026 R)
• M12: 19,143,740 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.6

Radius: 9.7

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.29 AU - 4.97 AU

Year: 6757 Days

Day: 5.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,981,215 km

• M1: 122,072 km (0.076 R)
• M2: 701,464 km (0.094 R)
• M3: 1,102,237 km (0.072 R)
• M4: 2,009,548 km (0.074 R)
• M5: 3,971,524 km (0.119 R)
• M6: 4,818,248 km (0.088 R)
• M7: 5,409,309 km (0.068 R)
• M8: 6,017,874 km (0.074 R)
• M9: 6,575,275 km (0.11 R)
• M10: 7,580,423 km (0.1 R)
• M11: 8,156,674 km (0.092 R)
• M12: 9,235,425 km (0.073 R)
• M13: 9,725,806 km (0.111 R)
• M14: 10,493,842 km (0.057 R)
• M15: 10,847,940 km (0.085 R)
• M16: 12,442,952 km (0.081 R)
• M17: 13,975,134 km (0.118 R)
• M18: 14,621,845 km (0.062 R)
• M19: 16,862,522 km (0.115 R)
• M20: 17,533,768 km (0.081 R)
• M21: 24,943,201 km (0.051 R)
• M22: 25,415,930 km (0.082 R)
• M23: 26,460,871 km (0.074 R)
• M24: 28,981,147 km (0.054 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 15,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit