🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.6

Radius: 8

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.5 AU - 0.78 AU

Year: 360 Days

Day: 12.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,396,082 km

• M1: 99,483 km (0.067 R)
• M2: 372,349 km (0.066 R)
• M3: 730,786 km (0.101 R)
• M4: 1,014,274 km (0.071 R)
• M5: 1,517,970 km (0.031 R)
• M6: 1,915,302 km (0.051 R)
• M7: 2,226,615 km (0.11 R)
• M8: 2,489,608 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.5

Radius: 14.6

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.58 AU - 0.74 AU

Year: 377 Days

Day: 7.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,396,082 km

• M1: 181,612 km (0.094 R)
• M2: 645,515 km (0.109 R)
• M3: 1,113,607 km (0.102 R)
• M4: 1,626,727 km (0.089 R)
• M5: 2,132,069 km (0.103 R)
• M6: 2,752,900 km (0.112 R)
• M7: 3,481,741 km (0.081 R)
• M8: 4,242,446 km (0.112 R)
• M9: 4,699,019 km (0.113 R)
• M10: 5,249,988 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.8

Radius: 9.5

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.61 AU - 0.91 AU

Year: 466 Days

Day: 5.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,396,082 km

• M1: 118,332 km (0.119 R)
• M2: 502,798 km (0.027 R)
• M3: 828,772 km (0.116 R)
• M4: 1,518,718 km (0.051 R)
• M5: 2,000,423 km (0.037 R)
• M6: 2,417,950 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858

Radius: 8.9

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.69 AU - 0.85 AU

Year: 475 Days

Day: 7.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,396,082 km

• M1: 110,702 km (0.043 R)
• M2: 406,457 km (0.112 R)
• M3: 789,578 km (0.119 R)
• M4: 1,177,934 km (0.1 R)
• M5: 1,536,071 km (0.047 R)
• M6: 2,243,818 km (0.094 R)
• M7: 2,536,881 km (0.062 R)
• M8: 2,844,753 km (0.085 R)
• M9: 3,666,195 km (0.12 R)
• M10: 4,365,266 km (0.072 R)
• M11: 4,889,457 km (0.073 R)
• M12: 5,250,586 km (0.095 R)
• M13: 6,657,105 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.1

Radius: 11.9

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.83 AU - 0.89 AU

Year: 561 Days

Day: 8.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,396,082 km

• M1: 148,102 km (0.095 R)
• M2: 527,781 km (0.063 R)
• M3: 1,055,563 km (0.073 R)
• M4: 1,877,304 km (0.065 R)
• M5: 2,322,357 km (0.092 R)
• M6: 2,713,406 km (0.027 R)
• M7: 3,099,369 km (0.104 R)
• M8: 3,522,132 km (0.097 R)
• M9: 4,056,945 km (0.113 R)
• M10: 4,564,829 km (0.093 R)
• M11: 5,149,757 km (0.036 R)
• M12: 5,802,901 km (0.026 R)
• M13: 6,696,449 km (0.074 R)
• M14: 7,121,906 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35

Radius: 12.3

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.79 AU - 1.15 AU

Year: 672 Days

Day: 10 Hours

Environment

Temp: -174 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,396,082 km

• M1: 153,039 km (0.067 R)
• M2: 710,590 km (0.113 R)
• M3: 1,141,581 km (0.12 R)
• M4: 1,595,312 km (0.078 R)
• M5: 2,197,294 km (0.1 R)
• M6: 2,632,923 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.6

Radius: 12.9

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.51 AU - 1.63 AU

Year: 1383 Days

Day: 13.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,396,082 km

• M1: 160,369 km (0.116 R)
• M2: 563,834 km (0.112 R)
• M3: 1,105,079 km (0.109 R)
• M4: 3,410,682 km (0.067 R)
• M5: 3,900,465 km (0.051 R)
• M6: 4,831,562 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.8

Radius: 14.1

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.91 AU - 2.93 AU

Year: 2646 Days

Day: 5.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 22,396,082 km

• M1: 175,329 km (0.092 R)
• M2: 637,437 km (0.064 R)
• M3: 1,087,876 km (0.067 R)
• M4: 1,673,402 km (0.07 R)
• M5: 2,268,502 km (0.117 R)
• M6: 2,870,484 km (0.048 R)
• M7: 3,872,341 km (0.116 R)
• M8: 4,832,460 km (0.11 R)
• M9: 5,496,824 km (0.074 R)
• M10: 6,221,626 km (0.07 R)
• M11: 7,348,846 km (0.12 R)
• M12: 8,608,161 km (0.087 R)
• M13: 9,738,522 km (0.104 R)
• M14: 10,965,524 km (0.11 R)
• M15: 11,940,603 km (0.108 R)
• M16: 13,205,004 km (0.08 R)
• M17: 13,918,137 km (0.052 R)
• M18: 16,052,450 km (0.064 R)
• M19: 18,396,948 km (0.046 R)
• M20: 19,834,882 km (0.09 R)
• M21: 22,329,427 km (0.109 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: 237 - 16,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit