🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.7

Radius: 13.1

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.42 AU - 0.62 AU

Year: 264 Days

Day: 7.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,368,329 km

• M1: 162,912 km (0.107 R)
• M2: 581,487 km (0.06 R)
• M3: 1,070,822 km (0.057 R)
• M4: 1,802,056 km (0.074 R)
• M5: 2,721,185 km (0.087 R)
• M6: 3,500,590 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.6

Radius: 8.6

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.51 AU - 0.75 AU

Year: 351 Days

Day: 14.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,368,329 km

• M1: 107,411 km (0.106 R)
• M2: 450,589 km (0.025 R)
• M3: 765,193 km (0.104 R)
• M4: 1,069,774 km (0.064 R)
• M5: 1,394,103 km (0.096 R)
• M6: 1,690,456 km (0.11 R)
• M7: 1,965,866 km (0.051 R)
• M8: 2,505,166 km (0.101 R)
• M9: 2,825,156 km (0.041 R)
• M10: 3,096,377 km (0.05 R)
• M11: 3,839,729 km (0.103 R)
• M12: 4,555,255 km (0.032 R)
• M13: 4,989,687 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.2

Radius: 10.9

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.65 AU - 0.69 AU

Year: 385 Days

Day: 8 Hours

Environment

Temp: -146 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,368,329 km

• M1: 136,284 km (0.047 R)
• M2: 506,090 km (0.059 R)
• M3: 1,128,118 km (0.096 R)
• M4: 1,664,576 km (0.113 R)
• M5: 2,140,297 km (0.092 R)
• M6: 2,550,793 km (0.102 R)
• M7: 3,889,844 km (0.08 R)
• M8: 4,352,999 km (0.11 R)
• M9: 5,048,180 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.7

Radius: 12.6

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.12 AU - 1.72 AU

Year: 1189 Days

Day: 14 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,368,329 km

• M1: 156,928 km (0.118 R)
• M2: 687,701 km (0.09 R)
• M3: 1,082,640 km (0.104 R)
• M4: 1,736,233 km (0.103 R)
• M5: 2,344,348 km (0.081 R)
• M6: 3,451,821 km (0.09 R)
• M7: 5,187,456 km (0.111 R)
• M8: 5,641,784 km (0.04 R)
• M9: 7,120,859 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.6

Radius: 9.7

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.43 AU - 2.05 AU

Year: 1613 Days

Day: 10.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,368,329 km

• M1: 153,487 km (0.051 R)
• M2: 527,781 km (0.094 R)
• M3: 917,035 km (0.064 R)
• M4: 4,407,901 km (0.103 R)
• M5: 5,219,769 km (0.118 R)
• M6: 5,652,705 km (0.104 R)
• M7: 6,769,902 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482

Radius: 13.5

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.61 AU - 2.53 AU

Year: 2093 Days

Day: 5.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,368,329 km

• M1: 170,691 km (0.083 R)
• M2: 593,754 km (0.104 R)
• M3: 1,042,847 km (0.03 R)
• M4: 1,468,901 km (0.073 R)
• M5: 1,895,255 km (0.112 R)
• M6: 2,806,157 km (0.088 R)
• M7: 3,492,063 km (0.075 R)
• M8: 4,174,828 km (0.103 R)
• M9: 5,600,795 km (0.063 R)
• M10: 6,564,654 km (0.083 R)
• M11: 7,033,194 km (0.06 R)
• M12: 8,066,916 km (0.107 R)
• M13: 8,635,836 km (0.104 R)
• M14: 9,457,877 km (0.056 R)
• M15: 11,003,223 km (0.096 R)
• M16: 12,084,815 km (0.03 R)
• M17: 13,483,106 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.1

Radius: 8.5

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.64 AU - 2.66 AU

Year: 3032 Days

Day: 11.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,368,329 km

• M1: 105,766 km (0.061 R)
• M2: 404,662 km (0.064 R)
• M3: 680,371 km (0.03 R)
• M4: 972,386 km (0.108 R)
• M5: 1,288,786 km (0.118 R)
• M6: 1,663,977 km (0.103 R)
• M7: 2,552,439 km (0.087 R)
• M8: 4,413,885 km (0.112 R)
• M9: 4,724,002 km (0.086 R)
• M10: 5,962,971 km (0.044 R)
• M11: 8,086,064 km (0.102 R)
• M12: 8,742,948 km (0.085 R)
• M13: 9,167,208 km (0.076 R)
• M14: 11,153,419 km (0.116 R)
• M15: 11,848,451 km (0.039 R)
• M16: 13,070,815 km (0.073 R)
• M17: 13,843,338 km (0.056 R)
• M18: 16,491,071 km (0.061 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.3

Radius: 14.6

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.1 AU - 3.62 AU

Year: 4329 Days

Day: 12.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,368,329 km

• M1: 181,612 km (0.118 R)
• M2: 734,675 km (0.105 R)
• M3: 3,419,359 km (0.078 R)
• M4: 4,558,397 km (0.039 R)
• M5: 5,242,957 km (0.077 R)
• M6: 7,044,414 km (0.077 R)
• M7: 10,119,099 km (0.062 R)
• M8: 10,888,631 km (0.088 R)
• M9: 11,881,960 km (0.099 R)
• M10: 14,683,330 km (0.059 R)
• M11: 17,055,055 km (0.112 R)
• M12: 17,961,020 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 554 - 18,667 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit