🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449

Radius: 12.5

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.64 AU - 1.02 AU

Year: 488 Days

Day: 6.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,280,705 km

• M1: 155,432 km (0.098 R)
• M2: 558,898 km (0.111 R)
• M3: 978,669 km (0.111 R)
• M4: 1,382,733 km (0.091 R)
• M5: 1,788,891 km (0.053 R)
• M6: 2,284,808 km (0.089 R)
• M7: 2,691,714 km (0.07 R)
• M8: 3,246,872 km (0.118 R)
• M9: 4,031,513 km (0.113 R)
• M10: 4,674,933 km (0.051 R)
• M11: 5,275,419 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.8

Radius: 13.2

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.92 AU - 1.16 AU

Year: 685 Days

Day: 9.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,280,705 km

• M1: 164,408 km (0.071 R)
• M2: 597,494 km (0.056 R)
• M3: 1,126,472 km (0.106 R)
• M4: 1,888,823 km (0.074 R)
• M5: 2,397,156 km (0.104 R)
• M6: 3,296,987 km (0.073 R)
• M7: 3,707,783 km (0.118 R)
• M8: 4,896,488 km (0.119 R)
• M9: 6,048,092 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.6

Radius: 14.3

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.77 AU - 1.93 AU

Year: 1625 Days

Day: 7.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,280,705 km

• M1: 178,919 km (0.092 R)
• M2: 817,253 km (0.06 R)
• M3: 1,609,972 km (0.094 R)
• M4: 2,268,353 km (0.072 R)
• M5: 3,807,864 km (0.079 R)
• M6: 5,655,697 km (0.116 R)
• M7: 6,481,029 km (0.085 R)
• M8: 8,960,763 km (0.073 R)
• M9: 9,477,923 km (0.109 R)
• M10: 10,187,017 km (0.091 R)
• M11: 11,559,876 km (0.107 R)
• M12: 13,300,148 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.5

Radius: 11.8

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.95 AU - 1.95 AU

Year: 1758 Days

Day: 5 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,280,705 km

• M1: 146,756 km (0.11 R)
• M2: 692,339 km (0.093 R)
• M3: 1,125,275 km (0.112 R)
• M4: 1,495,231 km (0.087 R)
• M5: 2,028,697 km (0.062 R)
• M6: 2,921,347 km (0.05 R)
• M7: 3,432,374 km (0.118 R)
• M8: 3,946,541 km (0.115 R)
• M9: 5,902,384 km (0.075 R)
• M10: 6,669,971 km (0.109 R)
• M11: 7,648,341 km (0.084 R)
• M12: 9,109,613 km (0.102 R)
• M13: 9,476,876 km (0.034 R)
• M14: 10,064,197 km (0.101 R)
• M15: 10,897,307 km (0.11 R)
• M16: 12,292,756 km (0.093 R)
• M17: 12,783,587 km (0.083 R)
• M18: 13,415,189 km (0.096 R)
• M19: 13,979,472 km (0.069 R)
• M20: 15,248,661 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.6

Radius: 10

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.08 AU - 2.68 AU

Year: 2371 Days

Day: 11.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,280,705 km

• M1: 124,316 km (0.108 R)
• M2: 561,142 km (0.043 R)
• M3: 997,668 km (0.115 R)
• M4: 1,403,378 km (0.081 R)
• M5: 2,221,080 km (0.109 R)
• M6: 3,675,171 km (0.087 R)
• M7: 4,086,116 km (0.099 R)
• M8: 5,456,582 km (0.106 R)
• M9: 5,992,741 km (0.05 R)
• M10: 6,762,123 km (0.085 R)
• M11: 9,324,136 km (0.114 R)
• M12: 10,016,475 km (0.076 R)
• M13: 10,979,437 km (0.082 R)
• M14: 11,300,174 km (0.109 R)
• M15: 13,770,783 km (0.048 R)
• M16: 14,620,499 km (0.108 R)
• M17: 14,960,236 km (0.117 R)
• M18: 15,454,806 km (0.075 R)
• M19: 17,164,261 km (0.033 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.3

Radius: 4.8

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 8.77 AU - 13.27 AU

Year: 23620 Days

Day: 19.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,280,705 km

• M1: 68,217 km (0.064 R)
• M2: 408,552 km (0.059 R)
• M3: 598,541 km (0.089 R)
• M4: 1,288,636 km (0.105 R)
• M5: 3,350,843 km (0.095 R)
• M6: 5,870,669 km (0.094 R)
• M7: 6,056,171 km (0.111 R)
• M8: 6,919,051 km (0.103 R)
• M9: 8,645,111 km (0.114 R)
• M10: 10,260,469 km (0.092 R)
• M11: 10,859,309 km (0.088 R)
• M12: 11,309,150 km (0.086 R)
• M13: 13,107,466 km (0.051 R)
• M14: 14,541,511 km (0.028 R)
• M15: 15,718,996 km (0.072 R)
• M16: 17,108,461 km (0.04 R)
• M17: 21,942,417 km (0.063 R)
• M18: 22,299,657 km (0.113 R)
• M19: 22,751,742 km (0.09 R)
• M20: 23,302,112 km (0.094 R)
• M21: 24,909,990 km (0.092 R)
• M22: 25,592,905 km (0.103 R)
• M23: 31,853,575 km (0.118 R)
• M24: 36,883,953 km (0.105 R)
• M25: 41,596,286 km (0.1 R)
• M26: 45,962,749 km (0.081 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: 184 - 10,421 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit