🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.58 AU - 0.6 AU

Year: 293 Days

Day: 37.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.09 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.6

Radius: 9.7

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.42 AU - 1.76 AU

Year: 1295 Days

Day: 7.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,586,414 km

• M1: 121,174 km (0.063 R)
• M2: 483,351 km (0.068 R)
• M3: 811,419 km (0.076 R)
• M4: 1,497,624 km (0.118 R)
• M5: 2,024,807 km (0.073 R)
• M6: 2,569,792 km (0.106 R)
• M7: 3,970,028 km (0.08 R)
• M8: 4,691,090 km (0.067 R)
• M9: 6,850,984 km (0.087 R)
• M10: 7,253,702 km (0.026 R)
• M11: 8,789,174 km (0.066 R)
• M12: 9,509,637 km (0.053 R)
• M13: 11,033,741 km (0.072 R)
• M14: 11,907,841 km (0.087 R)
• M15: 12,270,167 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.6

Radius: 9.6

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.4 AU - 1.98 AU

Year: 1419 Days

Day: 10 Hours

Environment

Temp: -189 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,586,414 km

• M1: 119,379 km (0.088 R)
• M2: 1,020,407 km (0.117 R)
• M3: 1,464,414 km (0.079 R)
• M4: 2,383,842 km (0.107 R)
• M5: 3,042,073 km (0.087 R)
• M6: 3,438,058 km (0.053 R)
• M7: 5,443,567 km (0.106 R)
• M8: 6,362,248 km (0.099 R)
• M9: 7,515,647 km (0.114 R)
• M10: 8,534,409 km (0.104 R)
• M11: 11,159,852 km (0.11 R)
• M12: 12,068,359 km (0.076 R)
• M13: 12,791,216 km (0.038 R)
• M14: 13,502,255 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.4

Radius: 8.5

Gravity: 13.11 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.78 AU - 3.64 AU

Year: 3713 Days

Day: 9.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 19,586,414 km

• M1: 105,766 km (0.099 R)
• M2: 605,722 km (0.098 R)
• M3: 924,515 km (0.097 R)
• M4: 1,314,666 km (0.098 R)
• M5: 1,698,684 km (0.107 R)
• M6: 2,013,887 km (0.111 R)
• M7: 3,359,071 km (0.092 R)
• M8: 4,267,429 km (0.09 R)
• M9: 5,750,542 km (0.119 R)
• M10: 7,109,938 km (0.073 R)
• M11: 8,409,196 km (0.065 R)
• M12: 10,236,683 km (0.06 R)
• M13: 11,608,496 km (0.099 R)
• M14: 11,934,469 km (0.079 R)
• M15: 12,362,469 km (0.114 R)
• M16: 12,653,586 km (0.077 R)
• M17: 13,811,923 km (0.03 R)
• M18: 17,164,261 km (0.103 R)
• M19: 17,648,809 km (0.05 R)
• M20: 18,329,778 km (0.08 R)
• M21: 18,836,017 km (0.063 R)
• M22: 21,230,032 km (0.085 R)
• M23: 22,356,355 km (0.117 R)
• M24: 23,007,255 km (0.103 R)
• M25: 24,575,041 km (0.056 R)
• M26: 25,190,486 km (0.054 R)
• M27: 26,292,424 km (0.067 R)
• M28: 27,508,356 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.6

Radius: 14

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.44 AU - 4.38 AU

Year: 4992 Days

Day: 6.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 19,586,414 km

• M1: 174,132 km (0.087 R)
• M2: 684,111 km (0.1 R)
• M3: 1,634,955 km (0.075 R)
• M4: 2,140,446 km (0.097 R)
• M5: 2,613,026 km (0.069 R)
• M6: 3,175,215 km (0.071 R)
• M7: 3,752,064 km (0.083 R)
• M8: 4,253,815 km (0.107 R)
• M9: 5,885,479 km (0.027 R)
• M10: 6,438,842 km (0.098 R)
• M11: 6,893,021 km (0.045 R)
• M12: 8,198,113 km (0.074 R)
• M13: 12,102,917 km (0.117 R)
• M14: 12,797,649 km (0.029 R)
• M15: 13,676,836 km (0.114 R)
• M16: 16,021,932 km (0.099 R)
• M17: 19,017,480 km (0.026 R)
• M18: 20,438,510 km (0.067 R)
• M19: 21,068,915 km (0.117 R)
• M20: 22,738,727 km (0.096 R)
• M21: 24,417,065 km (0.079 R)
• M22: 27,678,000 km (0.115 R)
• M23: 28,972,470 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141

Radius: 8

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.46 AU - 5.14 AU

Year: 5757 Days

Day: 12.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 174.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 19,586,414 km

• M1: 123,418 km (0.11 R)
• M2: 663,317 km (0.083 R)
• M3: 956,678 km (0.051 R)
• M4: 1,413,251 km (0.106 R)
• M5: 3,430,878 km (0.093 R)
• M6: 5,160,079 km (0.065 R)
• M7: 5,856,158 km (0.106 R)
• M8: 7,900,413 km (0.117 R)
• M9: 13,064,831 km (0.106 R)
• M10: 14,069,979 km (0.063 R)
• M11: 17,340,338 km (0.099 R)
• M12: 17,884,725 km (0.119 R)
• M13: 18,609,377 km (0.112 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: 161 - 17,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit