🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894

Radius: 9.5

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.76 AU - 1.04 AU

Year: 589 Days

Day: 6.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,963,249 km

• M1: 118,182 km (0.064 R)
• M2: 473,776 km (0.098 R)
• M3: 816,056 km (0.115 R)
• M4: 1,268,440 km (0.103 R)
• M5: 1,840,054 km (0.091 R)
• M6: 2,166,776 km (0.089 R)
• M7: 2,741,531 km (0.107 R)
• M8: 3,755,804 km (0.103 R)
• M9: 4,968,444 km (0.091 R)
• M10: 5,264,199 km (0.115 R)
• M11: 5,815,168 km (0.074 R)
• M12: 6,203,375 km (0.112 R)
• M13: 7,383,702 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.2

Radius: 13.8

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.36 AU - 1.62 AU

Year: 1255 Days

Day: 13.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,963,249 km

• M1: 172,187 km (0.101 R)
• M2: 794,514 km (0.069 R)
• M3: 1,390,063 km (0.076 R)
• M4: 1,912,908 km (0.071 R)
• M5: 2,349,135 km (0.088 R)
• M6: 3,031,601 km (0.093 R)
• M7: 3,827,162 km (0.111 R)
• M8: 4,512,021 km (0.119 R)
• M9: 5,680,979 km (0.113 R)
• M10: 6,128,127 km (0.076 R)
• M11: 6,720,236 km (0.055 R)
• M12: 7,937,065 km (0.112 R)
• M13: 8,411,888 km (0.092 R)
• M14: 9,054,411 km (0.08 R)
• M15: 9,698,131 km (0.078 R)
• M16: 10,771,346 km (0.097 R)
• M17: 11,215,352 km (0.074 R)
• M18: 12,103,665 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.9

Radius: 12

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.73 AU - 2.35 AU

Year: 2011 Days

Day: 8.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,963,249 km

• M1: 164,408 km (0.07 R)
• M2: 563,086 km (0.113 R)
• M3: 1,289,534 km (0.118 R)
• M4: 1,692,251 km (0.052 R)
• M5: 2,403,589 km (0.095 R)
• M6: 3,082,464 km (0.113 R)
• M7: 3,603,514 km (0.097 R)
• M8: 4,923,266 km (0.054 R)
• M9: 5,528,838 km (0.112 R)
• M10: 6,254,238 km (0.078 R)
• M11: 6,664,884 km (0.084 R)
• M12: 7,433,817 km (0.105 R)
• M13: 7,950,678 km (0.114 R)
• M14: 9,271,178 km (0.084 R)
• M15: 10,196,441 km (0.072 R)
• M16: 10,630,873 km (0.083 R)
• M17: 12,991,229 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.5

Radius: 12.9

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.8 AU - 2.46 AU

Year: 2146 Days

Day: 5.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,963,249 km

• M1: 175,478 km (0.076 R)
• M2: 680,371 km (0.059 R)
• M3: 1,404,275 km (0.111 R)
• M4: 1,872,666 km (0.113 R)
• M5: 2,925,237 km (0.086 R)
• M6: 3,517,046 km (0.099 R)
• M7: 4,206,543 km (0.063 R)
• M8: 4,837,995 km (0.054 R)
• M9: 5,330,322 km (0.091 R)
• M10: 6,696,898 km (0.119 R)
• M11: 7,476,154 km (0.041 R)
• M12: 8,898,081 km (0.04 R)
• M13: 9,312,467 km (0.118 R)
• M14: 10,388,226 km (0.078 R)
• M15: 10,884,143 km (0.09 R)
• M16: 11,545,066 km (0.099 R)
• M17: 12,154,827 km (0.055 R)
• M18: 13,522,002 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.3

Radius: 4.4

Gravity: 18.15 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.92 AU - 6.46 AU

Year: 10630 Days

Day: 18.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,963,249 km

• M1: 82,877 km (0.119 R)
• M2: 261,347 km (0.03 R)
• M3: 1,048,382 km (0.115 R)
• M4: 1,424,770 km (0.107 R)
• M5: 1,963,622 km (0.032 R)
• M6: 3,227,724 km (0.055 R)
• M7: 5,317,606 km (0.081 R)
• M8: 7,445,486 km (0.026 R)
• M9: 8,589,012 km (0.11 R)
• M10: 12,383,113 km (0.11 R)
• M11: 13,920,082 km (0.058 R)
• M12: 19,212,705 km (0.114 R)
• M13: 24,563,522 km (0.107 R)
• M14: 28,094,331 km (0.083 R)
• M15: 30,227,895 km (0.103 R)
• M16: 31,640,398 km (0.119 R)
• M17: 34,055,656 km (0.114 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 13,986 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit