🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.2

Radius: 9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.56 AU - 0.66 AU

Year: 329 Days

Day: 11.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 88 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,553,743 km

• M1: 111,899 km (0.091 R)
• M2: 423,811 km (0.062 R)
• M3: 738,415 km (0.081 R)
• M4: 1,124,976 km (0.116 R)
• M5: 1,481,468 km (0.12 R)
• M6: 1,768,995 km (0.067 R)
• M7: 2,598,665 km (0.118 R)
• M8: 3,077,527 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.3

Radius: 9.7

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.66 AU - 0.68 AU

Year: 379 Days

Day: 10.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,553,743 km

• M1: 120,875 km (0.098 R)
• M2: 523,593 km (0.076 R)
• M3: 992,582 km (0.086 R)
• M4: 1,619,098 km (0.069 R)
• M5: 1,931,458 km (0.091 R)
• M6: 2,337,168 km (0.032 R)
• M7: 2,680,644 km (0.117 R)
• M8: 3,155,169 km (0.106 R)
• M9: 4,087,463 km (0.108 R)
• M10: 4,631,999 km (0.115 R)
• M11: 5,056,408 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.2

Radius: 11.7

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.66 AU - 1.08 AU

Year: 560 Days

Day: 9.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,553,743 km

• M1: 145,559 km (0.082 R)
• M2: 620,382 km (0.082 R)
• M3: 1,285,943 km (0.042 R)
• M4: 1,724,115 km (0.118 R)
• M5: 2,129,226 km (0.097 R)
• M6: 2,921,796 km (0.11 R)
• M7: 3,651,534 km (0.119 R)
• M8: 4,104,068 km (0.114 R)
• M9: 4,738,662 km (0.095 R)
• M10: 5,348,722 km (0.105 R)
• M11: 5,746,952 km (0.079 R)
• M12: 6,184,526 km (0.083 R)
• M13: 6,603,400 km (0.075 R)
• M14: 7,041,123 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.1

Radius: 9.7

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.95 AU - 1.01 AU

Year: 670 Days

Day: 13 Hours

Environment

Temp: -179 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,553,743 km

• M1: 123,568 km (0.078 R)
• M2: 449,841 km (0.049 R)
• M3: 781,948 km (0.114 R)
• M4: 1,375,852 km (0.073 R)
• M5: 1,700,180 km (0.111 R)
• M6: 2,421,840 km (0.063 R)
• M7: 2,827,101 km (0.097 R)
• M8: 3,382,408 km (0.117 R)
• M9: 4,420,767 km (0.103 R)
• M10: 4,725,797 km (0.05 R)
• M11: 5,658,988 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.4

Radius: 10.3

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.94 AU - 1.24 AU

Year: 786 Days

Day: 11.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,553,743 km

• M1: 128,205 km (0.106 R)
• M2: 476,469 km (0.1 R)
• M3: 933,042 km (0.077 R)
• M4: 1,330,523 km (0.115 R)
• M5: 1,773,932 km (0.11 R)
• M6: 2,176,948 km (0.112 R)
• M7: 2,663,141 km (0.054 R)
• M8: 3,220,693 km (0.098 R)
• M9: 4,363,471 km (0.112 R)
• M10: 4,984,751 km (0.053 R)
• M11: 6,026,101 km (0.049 R)
• M12: 7,206,578 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.5

Radius: 12

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.14 AU - 1.48 AU

Year: 1035 Days

Day: 8.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,553,743 km

• M1: 149,448 km (0.095 R)
• M2: 602,131 km (0.117 R)
• M3: 1,159,683 km (0.075 R)
• M4: 1,586,785 km (0.046 R)
• M5: 2,110,078 km (0.116 R)
• M6: 2,919,253 km (0.118 R)
• M7: 4,340,433 km (0.096 R)
• M8: 4,732,678 km (0.108 R)
• M9: 5,148,560 km (0.085 R)
• M10: 5,828,483 km (0.067 R)
• M11: 6,744,919 km (0.091 R)
• M12: 7,779,538 km (0.032 R)
• M13: 8,387,055 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857

Radius: 9.5

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.19 AU - 2.77 AU

Year: 2696 Days

Day: 7 Hours

Environment

Temp: -205 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,553,743 km

• M1: 118,182 km (0.086 R)
• M2: 762,949 km (0.025 R)
• M3: 1,285,046 km (0.091 R)
• M4: 1,956,591 km (0.04 R)
• M5: 2,473,900 km (0.113 R)
• M6: 2,978,344 km (0.069 R)
• M7: 3,512,259 km (0.085 R)
• M8: 4,108,855 km (0.097 R)
• M9: 4,431,687 km (0.089 R)
• M10: 5,503,556 km (0.117 R)
• M11: 6,059,462 km (0.099 R)
• M12: 7,159,904 km (0.072 R)
• M13: 7,953,371 km (0.079 R)
• M14: 10,212,448 km (0.042 R)
• M15: 11,051,991 km (0.058 R)
• M16: 11,636,919 km (0.071 R)
• M17: 14,626,483 km (0.086 R)
• M18: 18,265,302 km (0.078 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 10,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit