🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.1

Radius: 13.1

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.76 AU - 0.86 AU

Year: 503 Days

Day: 11.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,179,469 km

• M1: 163,361 km (0.103 R)
• M2: 692,339 km (0.082 R)
• M3: 1,270,535 km (0.119 R)
• M4: 1,863,241 km (0.063 R)
• M5: 3,200,048 km (0.106 R)
• M6: 4,327,418 km (0.106 R)
• M7: 5,388,067 km (0.116 R)
• M8: 5,997,678 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.9

Radius: 8.4

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.87 AU - 1.31 AU

Year: 786 Days

Day: 9.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,179,469 km

• M1: 104,569 km (0.106 R)
• M2: 482,004 km (0.081 R)
• M3: 841,787 km (0.119 R)
• M4: 1,378,544 km (0.108 R)
• M5: 1,683,126 km (0.111 R)
• M6: 3,409,784 km (0.062 R)
• M7: 4,341,031 km (0.119 R)
• M8: 4,647,707 km (0.085 R)
• M9: 6,201,580 km (0.1 R)
• M10: 6,570,638 km (0.082 R)
• M11: 7,511,758 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.5

Radius: 10.4

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.01 AU - 1.25 AU

Year: 829 Days

Day: 14.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,179,469 km

• M1: 129,402 km (0.11 R)
• M2: 456,274 km (0.074 R)
• M3: 980,464 km (0.054 R)
• M4: 1,366,726 km (0.086 R)
• M5: 2,191,908 km (0.083 R)
• M6: 2,845,950 km (0.105 R)
• M7: 3,435,515 km (0.112 R)
• M8: 4,052,457 km (0.118 R)
• M9: 4,541,193 km (0.091 R)
• M10: 5,145,419 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.4

Radius: 11.1

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.86 AU - 2.48 AU

Year: 2206 Days

Day: 13.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,179,469 km

• M1: 138,079 km (0.072 R)
• M2: 507,735 km (0.096 R)
• M3: 854,802 km (0.043 R)
• M4: 1,216,829 km (0.097 R)
• M5: 1,728,903 km (0.079 R)
• M6: 2,791,795 km (0.083 R)
• M7: 5,850,623 km (0.082 R)
• M8: 6,789,799 km (0.083 R)
• M9: 7,878,572 km (0.113 R)
• M10: 8,492,073 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.8

Radius: 7.6

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.21 AU - 6.59 AU

Year: 11176 Days

Day: 24 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,179,469 km

• M1: 94,546 km (0.116 R)
• M2: 586,124 km (0.053 R)
• M3: 870,959 km (0.111 R)
• M4: 1,304,643 km (0.064 R)
• M5: 2,336,270 km (0.081 R)
• M6: 2,990,162 km (0.077 R)
• M7: 3,550,556 km (0.085 R)
• M8: 3,928,889 km (0.102 R)
• M9: 4,230,179 km (0.082 R)
• M10: 5,813,672 km (0.066 R)
• M11: 7,115,623 km (0.098 R)
• M12: 8,354,443 km (0.11 R)
• M13: 10,050,883 km (0.083 R)
• M14: 14,052,476 km (0.104 R)
• M15: 14,344,042 km (0.032 R)
• M16: 16,499,598 km (0.094 R)
• M17: 18,933,107 km (0.088 R)
• M18: 20,383,458 km (0.076 R)
• M19: 21,595,799 km (0.118 R)
• M20: 22,456,884 km (0.114 R)
• M21: 23,016,530 km (0.085 R)
• M22: 23,667,580 km (0.109 R)
• M23: 24,836,238 km (0.048 R)
• M24: 25,781,099 km (0.09 R)
• M25: 28,386,944 km (0.068 R)
• M26: 33,283,133 km (0.115 R)
• M27: 34,961,471 km (0.081 R)
• M28: 35,605,041 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.7

Radius: 7.7

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.85 AU - 9.45 AU

Year: 16060 Days

Day: 19.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,179,469 km

• M1: 95,743 km (0.077 R)
• M2: 376,239 km (0.095 R)
• M3: 1,010,982 km (0.107 R)
• M4: 1,330,224 km (0.089 R)
• M5: 2,283,462 km (0.093 R)
• M6: 2,631,427 km (0.044 R)
• M7: 3,361,464 km (0.037 R)
• M8: 3,786,920 km (0.083 R)
• M9: 4,477,315 km (0.093 R)
• M10: 6,325,148 km (0.116 R)
• M11: 9,429,004 km (0.114 R)
• M12: 10,275,429 km (0.099 R)
• M13: 10,638,353 km (0.117 R)
• M14: 13,982,614 km (0.077 R)
• M15: 17,893,701 km (0.101 R)
• M16: 27,095,466 km (0.075 R)
• M17: 28,089,244 km (0.094 R)
• M18: 30,044,040 km (0.102 R)
• M19: 31,216,288 km (0.036 R)
• M20: 35,736,239 km (0.086 R)
• M21: 36,689,775 km (0.102 R)
• M22: 37,905,408 km (0.038 R)
• M23: 43,709,506 km (0.089 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: 193 - 10,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit