🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.7

Radius: 14

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.58 AU - 0.62 AU

Year: 321 Days

Day: 9 Hours

Environment

Temp: -150 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 39,834,292 km

• M1: 174,132 km (0.033 R)
• M2: 912,248 km (0.077 R)
• M3: 1,852,171 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.1

Radius: 10.1

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.56 AU - 0.94 AU

Year: 448 Days

Day: 7.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,834,292 km

• M1: 125,662 km (0.062 R)
• M2: 532,868 km (0.119 R)
• M3: 859,440 km (0.032 R)
• M4: 1,191,996 km (0.102 R)
• M5: 1,626,278 km (0.106 R)
• M6: 2,071,631 km (0.071 R)
• M7: 2,388,031 km (0.117 R)
• M8: 2,737,043 km (0.092 R)
• M9: 3,187,482 km (0.063 R)
• M10: 3,968,981 km (0.057 R)
• M11: 4,490,479 km (0.07 R)
• M12: 5,026,189 km (0.047 R)
• M13: 5,604,086 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.3

Radius: 11.6

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.73 AU - 0.87 AU

Year: 494 Days

Day: 5.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,834,292 km

• M1: 144,362 km (0.085 R)
• M2: 603,478 km (0.083 R)
• M3: 1,099,395 km (0.067 R)
• M4: 1,595,910 km (0.116 R)
• M5: 2,095,717 km (0.048 R)
• M6: 2,739,137 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.6

Radius: 14.4

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.92 AU - 0.96 AU

Year: 629 Days

Day: 7.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,834,292 km

• M1: 179,667 km (0.036 R)
• M2: 727,195 km (0.048 R)
• M3: 1,264,401 km (0.04 R)
• M4: 1,847,534 km (0.07 R)
• M5: 2,400,747 km (0.117 R)
• M6: 2,996,146 km (0.043 R)
• M7: 3,637,472 km (0.037 R)
• M8: 4,685,854 km (0.076 R)
• M9: 5,450,898 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.6

Radius: 11.1

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.03 AU - 1.07 AU

Year: 743 Days

Day: 6.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,834,292 km

• M1: 138,079 km (0.114 R)
• M2: 523,293 km (0.1 R)
• M3: 896,540 km (0.112 R)
• M4: 1,406,519 km (0.116 R)
• M5: 2,238,882 km (0.116 R)
• M6: 2,631,875 km (0.103 R)
• M7: 3,723,641 km (0.113 R)
• M8: 4,513,966 km (0.114 R)
• M9: 5,129,561 km (0.114 R)
• M10: 5,762,510 km (0.079 R)
• M11: 6,366,137 km (0.105 R)
• M12: 7,011,353 km (0.105 R)
• M13: 7,676,764 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.9

Radius: 13.9

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.31 AU - 4.85 AU

Year: 6766 Days

Day: 14.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,834,292 km

• M1: 172,935 km (0.112 R)
• M2: 742,005 km (0.118 R)
• M3: 1,222,514 km (0.103 R)
• M4: 2,349,135 km (0.063 R)
• M5: 2,846,847 km (0.108 R)
• M6: 3,621,016 km (0.057 R)
• M7: 4,134,885 km (0.117 R)
• M8: 6,699,741 km (0.115 R)
• M9: 9,949,156 km (0.081 R)
• M10: 13,315,557 km (0.112 R)
• M11: 14,248,449 km (0.084 R)
• M12: 17,583,285 km (0.111 R)
• M13: 18,563,301 km (0.085 R)
• M14: 19,432,015 km (0.09 R)
• M15: 21,094,796 km (0.099 R)
• M16: 24,358,423 km (0.099 R)
• M17: 25,576,150 km (0.11 R)
• M18: 30,357,148 km (0.069 R)
• M19: 32,488,170 km (0.104 R)
• M20: 38,307,527 km (0.098 R)
• M21: 39,715,392 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 17,164 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit