🌌 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: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.5

Radius: 13.1

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.78 AU - 0.86 AU

Year: 513 Days

Day: 10.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 12,380,605 km

• M1: 163,062 km (0.111 R)
• M2: 657,333 km (0.096 R)
• M3: 1,179,130 km (0.087 R)
• M4: 1,609,823 km (0.098 R)
• M5: 2,093,173 km (0.078 R)
• M6: 2,537,030 km (0.076 R)
• M7: 3,044,167 km (0.056 R)
• M8: 3,835,390 km (0.084 R)
• M9: 4,340,133 km (0.109 R)
• M10: 4,971,287 km (0.053 R)
• M11: 6,536,829 km (0.055 R)
• M12: 7,175,163 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.3

Radius: 9.1

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.02 AU - 1.28 AU

Year: 851 Days

Day: 14.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,380,605 km

• M1: 113,246 km (0.118 R)
• M2: 426,354 km (0.105 R)
• M3: 812,765 km (0.107 R)
• M4: 1,181,075 km (0.093 R)
• M5: 1,576,612 km (0.066 R)
• M6: 1,961,826 km (0.096 R)
• M7: 2,579,516 km (0.111 R)
• M8: 2,923,591 km (0.117 R)
• M9: 3,218,598 km (0.112 R)
• M10: 3,643,157 km (0.1 R)
• M11: 4,795,210 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.4

Radius: 11

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.01 AU - 1.33 AU

Year: 874 Days

Day: 8.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 12,380,605 km

• M1: 136,732 km (0.085 R)
• M2: 537,206 km (0.069 R)
• M3: 896,690 km (0.101 R)
• M4: 1,246,749 km (0.103 R)
• M5: 1,603,988 km (0.075 R)
• M6: 1,970,802 km (0.105 R)
• M7: 2,640,402 km (0.114 R)
• M8: 3,412,028 km (0.11 R)
• M9: 3,819,832 km (0.12 R)
• M10: 4,209,385 km (0.091 R)
• M11: 4,788,777 km (0.119 R)
• M12: 5,204,061 km (0.102 R)
• M13: 5,767,297 km (0.111 R)
• M14: 6,304,204 km (0.069 R)
• M15: 7,806,166 km (0.029 R)
• M16: 10,041,308 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.2

Radius: 14.1

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.2 AU - 1.58 AU

Year: 1131 Days

Day: 13.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 12,380,605 km

• M1: 175,329 km (0.089 R)
• M2: 639,082 km (0.082 R)
• M3: 1,153,100 km (0.074 R)
• M4: 2,170,366 km (0.046 R)
• M5: 2,826,801 km (0.076 R)
• M6: 3,536,194 km (0.042 R)
• M7: 4,084,620 km (0.101 R)
• M8: 4,560,192 km (0.119 R)
• M9: 5,709,403 km (0.113 R)
• M10: 6,215,492 km (0.055 R)
• M11: 7,267,913 km (0.112 R)
• M12: 8,051,357 km (0.05 R)
• M13: 10,194,347 km (0.098 R)
• M14: 10,875,765 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.7

Radius: 10.2

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.42 AU - 3.34 AU

Year: 3374 Days

Day: 12.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 12,380,605 km

• M1: 126,859 km (0.075 R)
• M2: 478,414 km (0.03 R)
• M3: 1,079,199 km (0.083 R)
• M4: 1,464,862 km (0.112 R)
• M5: 1,850,526 km (0.095 R)
• M6: 2,815,432 km (0.075 R)
• M7: 3,147,838 km (0.094 R)
• M8: 3,650,338 km (0.116 R)
• M9: 4,086,415 km (0.055 R)
• M10: 4,729,088 km (0.093 R)
• M11: 6,563,158 km (0.092 R)
• M12: 7,534,198 km (0.025 R)
• M13: 8,468,137 km (0.104 R)
• M14: 8,929,646 km (0.029 R)
• M15: 9,442,618 km (0.092 R)
• M16: 9,867,027 km (0.108 R)
• M17: 10,230,550 km (0.118 R)
• M18: 10,945,627 km (0.114 R)
• M19: 11,295,836 km (0.106 R)
• M20: 13,961,221 km (0.111 R)
• M21: 16,813,604 km (0.097 R)
• M22: 17,438,025 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.2

Radius: 11.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.44 AU - 3.38 AU

Year: 3426 Days

Day: 8.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,380,605 km

• M1: 139,425 km (0.104 R)
• M2: 828,772 km (0.087 R)
• M3: 1,873,265 km (0.117 R)
• M4: 2,285,706 km (0.051 R)
• M5: 2,784,764 km (0.099 R)
• M6: 3,195,411 km (0.098 R)
• M7: 3,822,226 km (0.059 R)
• M8: 5,120,286 km (0.09 R)
• M9: 6,203,973 km (0.106 R)
• M10: 7,985,983 km (0.111 R)
• M11: 9,652,055 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.5

Radius: 12.7

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.29 AU - 3.61 AU

Year: 3497 Days

Day: 5.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 12,380,605 km

• M1: 157,975 km (0.12 R)
• M2: 621,579 km (0.06 R)
• M3: 1,069,924 km (0.09 R)
• M4: 1,613,563 km (0.096 R)
• M5: 2,019,122 km (0.094 R)
• M6: 2,530,448 km (0.086 R)
• M7: 3,170,727 km (0.116 R)
• M8: 4,532,516 km (0.032 R)
• M9: 5,439,079 km (0.097 R)
• M10: 6,184,226 km (0.083 R)
• M11: 10,670,517 km (0.057 R)
• M12: 11,107,492 km (0.062 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 18,094 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit