🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.5

Radius: 10.1

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.7 AU - 0.76 AU

Year: 397 Days

Day: 12.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,784,339 km

• M1: 125,812 km (0.11 R)
• M2: 451,337 km (0.04 R)
• M3: 770,728 km (0.085 R)
• M4: 1,239,269 km (0.114 R)
• M5: 1,786,797 km (0.104 R)
• M6: 2,126,085 km (0.095 R)
• M7: 2,443,232 km (0.092 R)
• M8: 2,874,373 km (0.108 R)
• M9: 3,241,786 km (0.098 R)
• M10: 3,567,909 km (0.115 R)
• M11: 4,566,026 km (0.08 R)
• M12: 5,223,658 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.6

Radius: 12.3

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.69 AU - 0.79 AU

Year: 405 Days

Day: 10.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,784,339 km

• M1: 153,188 km (0.099 R)
• M2: 598,541 km (0.078 R)
• M3: 1,065,586 km (0.102 R)
• M4: 1,610,870 km (0.094 R)
• M5: 2,045,751 km (0.114 R)
• M6: 2,451,909 km (0.065 R)
• M7: 2,972,659 km (0.067 R)
• M8: 4,072,353 km (0.051 R)
• M9: 4,543,736 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.8

Radius: 12.1

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.87 AU - 1.25 AU

Year: 694 Days

Day: 14.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,784,339 km

• M1: 150,495 km (0.047 R)
• M2: 573,558 km (0.034 R)
• M3: 986,448 km (0.094 R)
• M4: 1,373,907 km (0.12 R)
• M5: 1,811,630 km (0.106 R)
• M6: 2,207,616 km (0.077 R)
• M7: 2,591,783 km (0.09 R)
• M8: 3,166,987 km (0.102 R)
• M9: 3,609,198 km (0.048 R)
• M10: 4,458,166 km (0.103 R)
• M11: 4,860,734 km (0.115 R)
• M12: 5,722,567 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.3

Radius: 10.4

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.03 AU - 3.13 AU

Year: 2635 Days

Day: 10.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,784,339 km

• M1: 144,212 km (0.067 R)
• M2: 951,742 km (0.074 R)
• M3: 1,587,832 km (0.085 R)
• M4: 1,944,473 km (0.106 R)
• M5: 2,319,665 km (0.082 R)
• M6: 3,383,605 km (0.108 R)
• M7: 5,245,201 km (0.028 R)
• M8: 8,062,577 km (0.091 R)
• M9: 10,621,748 km (0.12 R)
• M10: 11,129,932 km (0.118 R)
• M11: 11,689,727 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.9

Radius: 13.6

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.95 AU - 4.55 AU

Year: 4617 Days

Day: 8.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,784,339 km

• M1: 169,195 km (0.1 R)
• M2: 658,979 km (0.109 R)
• M3: 1,390,811 km (0.119 R)
• M4: 2,250,850 km (0.112 R)
• M5: 3,181,498 km (0.07 R)
• M6: 4,127,704 km (0.097 R)
• M7: 4,678,374 km (0.067 R)
• M8: 5,301,898 km (0.095 R)
• M9: 6,327,392 km (0.12 R)
• M10: 10,128,374 km (0.107 R)
• M11: 10,701,334 km (0.076 R)
• M12: 11,787,415 km (0.117 R)
• M13: 13,302,841 km (0.091 R)
• M14: 13,897,642 km (0.076 R)
• M15: 16,146,248 km (0.092 R)
• M16: 16,929,243 km (0.101 R)
• M17: 19,431,118 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.5

Radius: 15

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.73 AU - 3.93 AU

Year: 4766 Days

Day: 6.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,784,339 km

• M1: 217,964 km (0.118 R)
• M2: 763,248 km (0.111 R)
• M3: 1,375,552 km (0.033 R)
• M4: 4,299,293 km (0.079 R)
• M5: 5,972,845 km (0.112 R)
• M6: 8,781,395 km (0.118 R)
• M7: 11,021,324 km (0.114 R)
• M8: 12,419,017 km (0.103 R)
• M9: 14,248,898 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.2

Radius: 14.2

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.22 AU - 6.68 AU

Year: 9228 Days

Day: 12.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,784,339 km

• M1: 176,675 km (0.07 R)
• M2: 682,765 km (0.104 R)
• M3: 3,125,100 km (0.053 R)
• M4: 3,577,035 km (0.065 R)
• M5: 4,226,140 km (0.089 R)
• M6: 8,689,542 km (0.046 R)
• M7: 10,767,008 km (0.089 R)
• M8: 12,125,805 km (0.102 R)
• M9: 15,611,136 km (0.087 R)
• M10: 20,162,203 km (0.084 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 14,143 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit