🌌 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: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.2

Radius: 8.7

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.77 AU - 1.01 AU

Year: 590 Days

Day: 11.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,372,643 km

• M1: 108,159 km (0.03 R)
• M2: 423,811 km (0.119 R)
• M3: 916,287 km (0.116 R)
• M4: 1,252,284 km (0.111 R)
• M5: 1,743,414 km (0.117 R)
• M6: 2,513,992 km (0.088 R)
• M7: 2,847,147 km (0.075 R)
• M8: 3,298,783 km (0.045 R)
• M9: 3,713,169 km (0.115 R)
• M10: 5,030,528 km (0.084 R)
• M11: 5,381,185 km (0.066 R)
• M12: 5,654,800 km (0.106 R)
• M13: 6,676,403 km (0.078 R)
• M14: 7,014,195 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.5

Radius: 9.1

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.06 AU - 1.66 AU

Year: 1115 Days

Day: 11.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,372,643 km

• M1: 113,246 km (0.119 R)
• M2: 449,093 km (0.084 R)
• M3: 734,376 km (0.116 R)
• M4: 1,173,595 km (0.086 R)
• M5: 1,572,274 km (0.067 R)
• M6: 2,002,367 km (0.095 R)
• M7: 2,443,083 km (0.114 R)
• M8: 3,648,692 km (0.075 R)
• M9: 4,357,936 km (0.056 R)
• M10: 4,815,406 km (0.076 R)
• M11: 5,707,608 km (0.028 R)
• M12: 6,028,495 km (0.089 R)
• M13: 9,073,111 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.8

Radius: 9

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.79 AU - 2.59 AU

Year: 2278 Days

Day: 9.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,372,643 km

• M1: 113,246 km (0.108 R)
• M2: 470,186 km (0.085 R)
• M3: 750,832 km (0.099 R)
• M4: 1,066,782 km (0.081 R)
• M5: 1,510,041 km (0.1 R)
• M6: 2,357,962 km (0.056 R)
• M7: 4,011,617 km (0.077 R)
• M8: 5,068,226 km (0.094 R)
• M9: 5,901,786 km (0.095 R)
• M10: 6,351,327 km (0.085 R)
• M11: 7,957,560 km (0.049 R)
• M12: 8,854,848 km (0.047 R)
• M13: 9,146,563 km (0.095 R)
• M14: 9,749,443 km (0.088 R)
• M15: 11,601,913 km (0.118 R)
• M16: 13,763,902 km (0.106 R)
• M17: 14,376,954 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.5

Radius: 12.5

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.95 AU - 2.95 AU

Year: 3562 Days

Day: 10.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,372,643 km

• M1: 155,582 km (0.119 R)
• M2: 565,181 km (0.08 R)
• M3: 1,023,100 km (0.094 R)
• M4: 1,609,075 km (0.108 R)
• M5: 2,085,394 km (0.073 R)
• M6: 2,685,282 km (0.092 R)
• M7: 3,141,854 km (0.09 R)
• M8: 4,092,250 km (0.087 R)
• M9: 4,678,673 km (0.089 R)
• M10: 6,312,133 km (0.116 R)
• M11: 7,214,507 km (0.038 R)
• M12: 9,067,127 km (0.089 R)
• M13: 11,743,882 km (0.087 R)
• M14: 12,201,202 km (0.094 R)
• M15: 12,931,539 km (0.109 R)
• M16: 13,736,376 km (0.106 R)
• M17: 14,244,410 km (0.115 R)
• M18: 18,104,933 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.5

Radius: 14.3

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.56 AU - 3.66 AU

Year: 3855 Days

Day: 10.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,372,643 km

• M1: 177,872 km (0.076 R)
• M2: 843,732 km (0.098 R)
• M3: 3,595,884 km (0.074 R)
• M4: 4,501,699 km (0.088 R)
• M5: 5,235,028 km (0.09 R)
• M6: 7,118,315 km (0.082 R)
• M7: 9,784,299 km (0.106 R)
• M8: 10,778,676 km (0.069 R)
• M9: 11,923,848 km (0.103 R)
• M10: 13,698,378 km (0.111 R)
• M11: 14,263,708 km (0.048 R)
• M12: 15,041,617 km (0.112 R)
• M13: 17,711,191 km (0.027 R)
• M14: 18,954,948 km (0.086 R)

Asteroid Belt

Center: 4.28 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.5

Radius: 7.3

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.46 AU - 6.44 AU

Year: 8943 Days

Day: 20.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,372,643 km

• M1: 95,892 km (0.091 R)
• M2: 347,366 km (0.054 R)
• M3: 666,907 km (0.033 R)
• M4: 1,010,683 km (0.1 R)
• M5: 1,405,322 km (0.11 R)
• M6: 2,060,112 km (0.076 R)
• M7: 2,944,684 km (0.035 R)
• M8: 3,343,512 km (0.109 R)
• M9: 3,777,645 km (0.07 R)
• M10: 4,877,339 km (0.04 R)
• M11: 5,214,084 km (0.095 R)
• M12: 6,211,752 km (0.109 R)
• M13: 6,498,083 km (0.04 R)
• M14: 7,252,654 km (0.092 R)
• M15: 7,980,448 km (0.043 R)
• M16: 8,755,814 km (0.059 R)
• M17: 10,011,837 km (0.064 R)
• M18: 12,534,207 km (0.115 R)
• M19: 13,225,349 km (0.107 R)
• M20: 15,647,339 km (0.026 R)
• M21: 17,629,660 km (0.088 R)
• M22: 17,915,542 km (0.061 R)
• M23: 20,394,229 km (0.113 R)
• M24: 22,168,160 km (0.095 R)
• M25: 24,482,739 km (0.074 R)
• M26: 26,112,308 km (0.111 R)
• M27: 26,577,558 km (0.065 R)
• M28: 26,859,250 km (0.098 R)
• M29: 28,986,981 km (0.063 R)
• M30: 42,598,293 km (0.117 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 13,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit