🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.4

Radius: 14.3

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.53 AU - 0.81 AU

Year: 366 Days

Day: 7.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 16,186,198 km

• M1: 180,265 km (0.063 R)
• M2: 649,853 km (0.072 R)
• M3: 1,245,701 km (0.106 R)
• M4: 3,140,957 km (0.119 R)
• M5: 4,250,823 km (0.085 R)
• M6: 4,697,224 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.9

Radius: 9

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.33 AU - 2.09 AU

Year: 1491 Days

Day: 12.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 16,186,198 km

• M1: 111,899 km (0.045 R)
• M2: 477,666 km (0.105 R)
• M3: 779,854 km (0.082 R)
• M4: 1,497,774 km (0.093 R)
• M5: 1,920,837 km (0.113 R)
• M6: 2,322,806 km (0.117 R)
• M7: 3,052,993 km (0.064 R)
• M8: 3,455,711 km (0.12 R)
• M9: 3,841,225 km (0.114 R)
• M10: 4,218,062 km (0.101 R)
• M11: 4,521,596 km (0.096 R)
• M12: 5,908,667 km (0.055 R)
• M13: 7,614,980 km (0.103 R)
• M14: 8,153,383 km (0.08 R)
• M15: 8,596,193 km (0.117 R)
• M16: 9,529,983 km (0.093 R)
• M17: 9,955,140 km (0.12 R)
• M18: 11,820,326 km (0.069 R)
• M19: 12,776,556 km (0.11 R)
• M20: 13,455,580 km (0.029 R)
• M21: 13,742,060 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.9

Radius: 13.4

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.38 AU - 2.12 AU

Year: 1544 Days

Day: 8 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,186,198 km

• M1: 166,652 km (0.087 R)
• M2: 847,622 km (0.081 R)
• M3: 1,311,973 km (0.073 R)
• M4: 1,780,663 km (0.084 R)
• M5: 2,583,555 km (0.11 R)
• M6: 3,146,043 km (0.062 R)
• M7: 3,616,529 km (0.092 R)
• M8: 4,078,337 km (0.068 R)
• M9: 4,783,242 km (0.076 R)
• M10: 5,895,802 km (0.079 R)
• M11: 6,642,145 km (0.058 R)
• M12: 7,478,846 km (0.115 R)
• M13: 7,966,685 km (0.104 R)
• M14: 8,384,512 km (0.056 R)
• M15: 10,591,230 km (0.076 R)
• M16: 11,468,622 km (0.115 R)
• M17: 12,315,046 km (0.105 R)
• M18: 13,535,765 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.7

Radius: 9.1

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.49 AU - 2.93 AU

Year: 2975 Days

Day: 9.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,186,198 km

• M1: 113,246 km (0.059 R)
• M2: 1,136,495 km (0.105 R)
• M3: 1,711,400 km (0.113 R)
• M4: 2,213,001 km (0.07 R)
• M5: 3,252,707 km (0.036 R)
• M6: 3,702,248 km (0.119 R)
• M7: 5,983,017 km (0.105 R)
• M8: 6,777,232 km (0.098 R)
• M9: 10,077,212 km (0.084 R)
• M10: 11,492,856 km (0.114 R)
• M11: 13,082,783 km (0.11 R)
• M12: 14,614,665 km (0.028 R)
• M13: 15,527,062 km (0.043 R)
• M14: 18,550,435 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.6

Radius: 13.1

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.31 AU - 3.61 AU

Year: 3396 Days

Day: 14 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 16,186,198 km

• M1: 163,211 km (0.116 R)
• M2: 588,817 km (0.101 R)
• M3: 1,010,534 km (0.061 R)
• M4: 1,448,855 km (0.087 R)
• M5: 2,252,645 km (0.053 R)
• M6: 3,242,085 km (0.069 R)
• M7: 3,711,972 km (0.108 R)
• M8: 4,272,665 km (0.082 R)
• M9: 5,039,803 km (0.096 R)
• M10: 5,729,299 km (0.102 R)
• M11: 6,272,190 km (0.054 R)
• M12: 7,461,792 km (0.047 R)
• M13: 9,958,132 km (0.045 R)
• M14: 13,015,613 km (0.056 R)
• M15: 14,574,423 km (0.054 R)
• M16: 16,030,758 km (0.108 R)
• M17: 16,480,300 km (0.083 R)
• M18: 19,803,168 km (0.107 R)
• M19: 22,694,446 km (0.108 R)
• M20: 24,130,585 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.3

Radius: 12.7

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.01 AU - 4.93 AU

Year: 5275 Days

Day: 11.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,186,198 km

• M1: 162,164 km (0.085 R)
• M2: 562,787 km (0.09 R)
• M3: 1,120,039 km (0.079 R)
• M4: 2,576,823 km (0.11 R)
• M5: 3,070,496 km (0.108 R)
• M6: 4,138,924 km (0.12 R)
• M7: 5,308,331 km (0.027 R)
• M8: 6,483,721 km (0.059 R)
• M9: 7,026,313 km (0.108 R)
• M10: 7,571,298 km (0.06 R)
• M11: 10,072,425 km (0.119 R)
• M12: 11,566,159 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.5

Radius: 8

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.89 AU - 7.41 AU

Year: 10170 Days

Day: 24 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 16,186,198 km

• M1: 99,782 km (0.119 R)
• M2: 419,622 km (0.106 R)
• M3: 850,015 km (0.116 R)
• M4: 2,146,729 km (0.082 R)
• M5: 5,570,127 km (0.099 R)
• M6: 10,189,410 km (0.11 R)
• M7: 14,022,856 km (0.092 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: 358 - 16,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit