🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321

Radius: 11.8

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.1 AU - 1.56 AU

Year: 1059 Days

Day: 11.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,515,619 km

• M1: 146,756 km (0.034 R)
• M2: 662,868 km (0.104 R)
• M3: 1,888,374 km (0.06 R)
• M4: 3,768,370 km (0.102 R)
• M5: 4,659,974 km (0.076 R)
• M6: 5,574,166 km (0.078 R)
• M7: 6,234,192 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.3

Radius: 12.8

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.9 AU - 2.2 AU

Year: 2026 Days

Day: 6.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,515,619 km

• M1: 159,322 km (0.113 R)
• M2: 577,149 km (0.059 R)
• M3: 1,008,439 km (0.047 R)
• M4: 1,418,637 km (0.075 R)
• M5: 2,017,626 km (0.077 R)
• M6: 2,596,421 km (0.11 R)
• M7: 3,004,075 km (0.066 R)
• M8: 4,003,239 km (0.068 R)
• M9: 5,665,571 km (0.067 R)
• M10: 6,121,694 km (0.098 R)
• M11: 7,749,170 km (0.031 R)
• M12: 8,693,282 km (0.068 R)
• M13: 9,333,112 km (0.071 R)
• M14: 9,744,805 km (0.082 R)
• M15: 10,234,888 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.8

Radius: 8.6

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.04 AU - 3.38 AU

Year: 3079 Days

Day: 7.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,515,619 km

• M1: 106,962 km (0.116 R)
• M2: 426,055 km (0.104 R)
• M3: 818,450 km (0.102 R)
• M4: 1,455,438 km (0.085 R)
• M5: 3,608,001 km (0.076 R)
• M6: 4,021,789 km (0.081 R)
• M7: 6,556,426 km (0.117 R)
• M8: 7,116,221 km (0.087 R)
• M9: 7,798,836 km (0.105 R)
• M10: 9,572,618 km (0.053 R)
• M11: 10,818,619 km (0.082 R)
• M12: 12,169,338 km (0.115 R)
• M13: 12,971,332 km (0.087 R)
• M14: 15,201,986 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.5

Radius: 12.2

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.66 AU - 4.5 AU

Year: 5689 Days

Day: 6.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,515,619 km

• M1: 151,842 km (0.075 R)
• M2: 582,534 km (0.11 R)
• M3: 1,371,962 km (0.112 R)
• M4: 2,180,838 km (0.119 R)
• M5: 3,225,928 km (0.083 R)
• M6: 3,662,455 km (0.118 R)
• M7: 4,044,827 km (0.088 R)
• M8: 6,798,774 km (0.115 R)
• M9: 7,450,572 km (0.119 R)
• M10: 8,839,140 km (0.073 R)
• M11: 9,658,188 km (0.12 R)
• M12: 10,889,079 km (0.113 R)
• M13: 11,447,528 km (0.118 R)
• M14: 17,181,465 km (0.046 R)
• M15: 17,684,114 km (0.049 R)
• M16: 21,266,385 km (0.058 R)
• M17: 28,151,178 km (0.083 R)
• M18: 30,283,546 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882

Radius: 6.3

Gravity: 22.22 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7 AU - 10.44 AU

Year: 17774 Days

Day: 18.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,515,619 km

• M1: 78,688 km (0.1 R)
• M2: 460,612 km (0.11 R)
• M3: 727,345 km (0.113 R)
• M4: 984,354 km (0.098 R)
• M5: 2,001,021 km (0.047 R)
• M6: 2,513,244 km (0.042 R)
• M7: 3,764,780 km (0.04 R)
• M8: 4,174,080 km (0.117 R)
• M9: 4,718,018 km (0.092 R)
• M10: 6,951,215 km (0.094 R)
• M11: 9,071,166 km (0.105 R)
• M12: 9,462,065 km (0.102 R)
• M13: 12,934,830 km (0.066 R)
• M14: 13,718,873 km (0.08 R)
• M15: 21,656,685 km (0.113 R)
• M16: 23,274,287 km (0.103 R)
• M17: 23,586,348 km (0.108 R)
• M18: 25,738,463 km (0.092 R)
• M19: 30,058,850 km (0.116 R)
• M20: 31,430,812 km (0.119 R)
• M21: 37,908,250 km (0.099 R)
• M22: 45,060,225 km (0.092 R)
• M23: 48,021,515 km (0.091 R)
• M24: 50,412,538 km (0.093 R)
• M25: 54,328,412 km (0.036 R)
• M26: 57,489,564 km (0.101 R)
• M27: 58,633,988 km (0.056 R)
• M28: 65,613,776 km (0.097 R)
• M29: 72,240,961 km (0.111 R)
• M30: 72,683,173 km (0.158 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: 453 - 13,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit