🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.3

Radius: 12.6

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.88 AU - 1.02 AU

Year: 617 Days

Day: 10.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,766,958 km

• M1: 156,629 km (0.118 R)
• M2: 595,250 km (0.051 R)
• M3: 1,175,241 km (0.103 R)
• M4: 1,657,096 km (0.094 R)
• M5: 2,263,715 km (0.108 R)
• M6: 2,789,701 km (0.092 R)
• M7: 3,206,481 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.3

Radius: 13.8

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.04 AU - 1.3 AU

Year: 844 Days

Day: 10.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 171.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,766,958 km

• M1: 171,589 km (0.108 R)
• M2: 781,200 km (0.11 R)
• M3: 1,238,072 km (0.084 R)
• M4: 1,783,655 km (0.062 R)
• M5: 2,332,530 km (0.117 R)
• M6: 3,605,159 km (0.083 R)
• M7: 4,110,501 km (0.076 R)
• M8: 4,773,219 km (0.082 R)
• M9: 6,218,185 km (0.034 R)
• M10: 6,666,081 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.8

Radius: 10.1

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.83 AU - 2.73 AU

Year: 2296 Days

Day: 5.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,766,958 km

• M1: 125,662 km (0.052 R)
• M2: 513,270 km (0.115 R)
• M3: 905,815 km (0.086 R)
• M4: 1,361,939 km (0.063 R)
• M5: 1,968,110 km (0.12 R)
• M6: 2,282,564 km (0.117 R)
• M7: 4,029,568 km (0.066 R)
• M8: 4,414,484 km (0.109 R)
• M9: 5,915,399 km (0.043 R)
• M10: 6,989,661 km (0.104 R)
• M11: 7,625,602 km (0.044 R)
• M12: 8,580,186 km (0.101 R)
• M13: 9,012,973 km (0.106 R)
• M14: 10,238,478 km (0.109 R)
• M15: 11,958,106 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.3

Radius: 13

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.45 AU - 2.71 AU

Year: 2763 Days

Day: 8.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,766,958 km

• M1: 163,211 km (0.035 R)
• M2: 676,781 km (0.08 R)
• M3: 1,284,148 km (0.069 R)
• M4: 1,894,657 km (0.114 R)
• M5: 2,347,340 km (0.084 R)
• M6: 2,934,213 km (0.107 R)
• M7: 3,372,834 km (0.103 R)
• M8: 3,818,336 km (0.082 R)
• M9: 4,466,843 km (0.114 R)
• M10: 5,210,793 km (0.104 R)
• M11: 6,061,556 km (0.109 R)
• M12: 6,918,453 km (0.073 R)
• M13: 8,008,124 km (0.118 R)
• M14: 10,452,702 km (0.064 R)
• M15: 11,926,241 km (0.045 R)
• M16: 12,419,316 km (0.073 R)
• M17: 13,490,138 km (0.093 R)
• M18: 14,070,877 km (0.112 R)
• M19: 15,091,583 km (0.094 R)
• M20: 15,766,419 km (0.086 R)
• M21: 16,461,450 km (0.112 R)
• M22: 17,806,186 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.8

Radius: 11.6

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.49 AU - 3.31 AU

Year: 3293 Days

Day: 14.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,766,958 km

• M1: 146,307 km (0.105 R)
• M2: 689,646 km (0.089 R)
• M3: 1,542,354 km (0.074 R)
• M4: 2,447,421 km (0.12 R)
• M5: 3,139,910 km (0.117 R)
• M6: 3,887,151 km (0.093 R)
• M7: 6,643,043 km (0.103 R)
• M8: 8,900,625 km (0.092 R)
• M9: 10,747,410 km (0.115 R)
• M10: 12,203,297 km (0.107 R)
• M11: 13,956,434 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.7

Radius: 9.8

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.9 AU - 3.88 AU

Year: 4162 Days

Day: 9.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 112.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 28,766,958 km

• M1: 122,969 km (0.052 R)
• M2: 532,868 km (0.09 R)
• M3: 857,196 km (0.095 R)
• M4: 1,228,049 km (0.119 R)
• M5: 1,572,872 km (0.108 R)
• M6: 2,229,008 km (0.07 R)
• M7: 3,001,980 km (0.113 R)
• M8: 3,491,913 km (0.068 R)
• M9: 3,899,418 km (0.106 R)
• M10: 4,266,980 km (0.03 R)
• M11: 4,682,713 km (0.104 R)
• M12: 5,098,744 km (0.088 R)
• M13: 6,125,434 km (0.11 R)
• M14: 6,433,756 km (0.103 R)
• M15: 7,352,885 km (0.083 R)
• M16: 7,737,052 km (0.108 R)
• M17: 8,583,926 km (0.052 R)
• M18: 9,905,025 km (0.076 R)
• M19: 10,947,871 km (0.1 R)
• M20: 14,191,452 km (0.041 R)
• M21: 14,678,393 km (0.056 R)
• M22: 16,148,193 km (0.118 R)
• M23: 17,343,629 km (0.105 R)
• M24: 17,713,585 km (0.119 R)
• M25: 18,533,082 km (0.113 R)
• M26: 23,237,187 km (0.113 R)
• M27: 26,265,497 km (0.103 R)
• M28: 27,000,022 km (0.091 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 16,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit