🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.6

Radius: 13.5

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.48 AU - 0.68 AU

Year: 295 Days

Day: 13.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 165.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 8,277,691 km

• M1: 168,148 km (0.118 R)
• M2: 947,403 km (0.105 R)
• M3: 1,373,159 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.8

Radius: 14

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.73 AU - 0.83 AU

Year: 459 Days

Day: 13.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 8,277,691 km

• M1: 174,132 km (0.101 R)
• M2: 639,680 km (0.055 R)
• M3: 1,293,423 km (0.088 R)
• M4: 2,233,496 km (0.067 R)
• M5: 3,039,380 km (0.106 R)
• M6: 3,579,129 km (0.12 R)
• M7: 4,086,415 km (0.089 R)
• M8: 5,345,282 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.9

Radius: 8.6

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.77 AU - 0.81 AU

Year: 468 Days

Day: 9.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 8,277,691 km

• M1: 107,112 km (0.084 R)
• M2: 377,585 km (0.1 R)
• M3: 690,993 km (0.116 R)
• M4: 1,115,103 km (0.115 R)
• M5: 1,639,144 km (0.052 R)
• M6: 1,920,986 km (0.101 R)
• M7: 2,290,942 km (0.106 R)
• M8: 2,604,349 km (0.068 R)
• M9: 3,002,579 km (0.082 R)
• M10: 3,747,726 km (0.091 R)
• M11: 4,431,388 km (0.117 R)
• M12: 4,733,277 km (0.055 R)
• M13: 5,722,867 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.8

Radius: 10.6

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.99 AU - 1.17 AU

Year: 748 Days

Day: 11.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 8,277,691 km

• M1: 132,544 km (0.084 R)
• M2: 466,297 km (0.094 R)
• M3: 1,111,363 km (0.118 R)
• M4: 1,483,861 km (0.099 R)
• M5: 1,904,231 km (0.1 R)
• M6: 2,578,020 km (0.118 R)
• M7: 2,977,147 km (0.098 R)
• M8: 3,696,563 km (0.103 R)
• M9: 4,144,160 km (0.101 R)
• M10: 5,023,796 km (0.088 R)
• M11: 5,386,421 km (0.087 R)
• M12: 6,329,037 km (0.073 R)
• M13: 6,731,156 km (0.084 R)
• M14: 7,401,055 km (0.12 R)
• M15: 8,362,671 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341

Radius: 12.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.4 AU - 1.5 AU

Year: 1164 Days

Day: 14.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 8,277,691 km

• M1: 160,519 km (0.088 R)
• M2: 760,256 km (0.071 R)
• M3: 1,226,553 km (0.11 R)
• M4: 2,170,067 km (0.097 R)
• M5: 2,824,557 km (0.092 R)
• M6: 3,664,699 km (0.039 R)
• M7: 4,514,116 km (0.026 R)
• M8: 6,865,495 km (0.065 R)
• M9: 8,081,875 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.9

Radius: 10.9

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.88 AU - 2.12 AU

Year: 1886 Days

Day: 14.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 8,277,691 km

• M1: 135,536 km (0.11 R)
• M2: 495,767 km (0.068 R)
• M3: 854,802 km (0.079 R)
• M4: 1,282,951 km (0.098 R)
• M5: 1,723,517 km (0.101 R)
• M6: 2,124,888 km (0.09 R)
• M7: 2,916,261 km (0.08 R)
• M8: 3,655,723 km (0.086 R)
• M9: 4,088,061 km (0.03 R)
• M10: 4,671,642 km (0.094 R)
• M11: 5,958,782 km (0.104 R)
• M12: 7,201,043 km (0.098 R)
• M13: 8,459,909 km (0.073 R)
• M14: 8,819,243 km (0.101 R)
• M15: 9,472,537 km (0.073 R)
• M16: 10,632,968 km (0.068 R)
• M17: 12,223,193 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.9

Radius: 13.6

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.62 AU - 2.56 AU

Year: 2015 Days

Day: 8.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 162.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 8,277,691 km

• M1: 169,345 km (0.077 R)
• M2: 723,904 km (0.069 R)
• M3: 1,244,804 km (0.081 R)
• M4: 1,670,709 km (0.12 R)
• M5: 2,274,935 km (0.115 R)
• M6: 2,832,935 km (0.095 R)
• M7: 4,151,790 km (0.091 R)
• M8: 4,889,756 km (0.081 R)
• M9: 5,545,593 km (0.054 R)
• M10: 6,299,716 km (0.12 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 20,212 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit