🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

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: 558.9

Radius: 13.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.89 AU - 0.89 AU

Year: 551 Days

Day: 14.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,901,206 km

• M1: 167,998 km (0.117 R)
• M2: 593,754 km (0.045 R)
• M3: 1,035,666 km (0.039 R)
• M4: 1,594,564 km (0.114 R)
• M5: 2,288,249 km (0.059 R)
• M6: 2,853,879 km (0.087 R)
• M7: 3,524,526 km (0.095 R)
• M8: 4,019,396 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.4

Radius: 9.5

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.34 AU - 3.54 AU

Year: 3307 Days

Day: 14.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,901,206 km

• M1: 118,482 km (0.055 R)
• M2: 416,630 km (0.086 R)
• M3: 1,024,147 km (0.059 R)
• M4: 1,319,603 km (0.118 R)
• M5: 2,189,215 km (0.091 R)
• M6: 2,561,714 km (0.084 R)
• M7: 3,487,575 km (0.06 R)
• M8: 3,903,756 km (0.092 R)
• M9: 4,664,162 km (0.118 R)
• M10: 5,012,576 km (0.057 R)
• M11: 5,331,668 km (0.057 R)
• M12: 5,935,445 km (0.104 R)
• M13: 6,345,343 km (0.065 R)
• M14: 6,856,519 km (0.076 R)
• M15: 7,719,549 km (0.038 R)
• M16: 8,146,202 km (0.113 R)
• M17: 8,750,428 km (0.09 R)
• M18: 9,214,630 km (0.062 R)
• M19: 12,148,095 km (0.1 R)
• M20: 13,409,056 km (0.076 R)
• M21: 13,803,844 km (0.078 R)
• M22: 14,616,610 km (0.076 R)
• M23: 15,460,940 km (0.086 R)
• M24: 16,090,747 km (0.108 R)
• M25: 17,144,066 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.1

Radius: 9

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.96 AU - 3.68 AU

Year: 3968 Days

Day: 13.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,901,206 km

• M1: 112,198 km (0.061 R)
• M2: 476,768 km (0.117 R)
• M3: 791,971 km (0.113 R)
• M4: 1,105,977 km (0.077 R)
• M5: 1,768,097 km (0.105 R)
• M6: 2,959,943 km (0.07 R)
• M7: 5,262,703 km (0.048 R)
• M8: 6,136,205 km (0.092 R)
• M9: 6,698,843 km (0.075 R)
• M10: 7,790,908 km (0.115 R)
• M11: 8,558,345 km (0.094 R)
• M12: 10,654,809 km (0.119 R)
• M13: 11,732,811 km (0.065 R)
• M14: 12,929,295 km (0.089 R)
• M15: 14,104,237 km (0.045 R)
• M16: 15,030,996 km (0.081 R)
• M17: 15,616,971 km (0.11 R)
• M18: 16,273,556 km (0.12 R)
• M19: 17,466,748 km (0.096 R)
• M20: 17,877,245 km (0.097 R)
• M21: 22,069,276 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448

Radius: 9.7

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.54 AU - 3.68 AU

Year: 4500 Days

Day: 9.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,901,206 km

• M1: 120,725 km (0.106 R)
• M2: 609,911 km (0.056 R)
• M3: 986,299 km (0.099 R)
• M4: 1,475,783 km (0.105 R)
• M5: 2,564,855 km (0.078 R)
• M6: 3,177,758 km (0.102 R)
• M7: 4,321,733 km (0.096 R)
• M8: 4,839,342 km (0.074 R)
• M9: 7,832,197 km (0.079 R)
• M10: 8,317,043 km (0.086 R)
• M11: 9,734,184 km (0.111 R)
• M12: 10,417,697 km (0.119 R)
• M13: 11,790,855 km (0.094 R)
• M14: 15,103,102 km (0.086 R)
• M15: 15,745,774 km (0.116 R)
• M16: 16,857,586 km (0.094 R)
• M17: 17,258,807 km (0.101 R)
• M18: 18,989,206 km (0.07 R)
• M19: 19,991,960 km (0.052 R)
• M20: 20,898,075 km (0.089 R)
• M21: 23,001,421 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.2

Radius: 7.4

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.65 AU - 8.65 AU

Year: 12542 Days

Day: 21.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,901,206 km

• M1: 96,341 km (0.035 R)
• M2: 372,200 km (0.111 R)
• M3: 1,088,624 km (0.094 R)
• M4: 1,962,126 km (0.095 R)
• M5: 2,279,722 km (0.118 R)
• M6: 2,554,533 km (0.088 R)
• M7: 3,351,142 km (0.044 R)
• M8: 3,634,331 km (0.092 R)
• M9: 4,581,584 km (0.116 R)
• M10: 7,817,386 km (0.036 R)
• M11: 8,064,821 km (0.1 R)
• M12: 19,114,120 km (0.113 R)
• M13: 24,635,179 km (0.067 R)
• M14: 40,257,834 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.6

Radius: 7.6

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.93 AU - 9.25 AU

Year: 15095 Days

Day: 16.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,901,206 km

• M1: 94,546 km (0.117 R)
• M2: 398,529 km (0.119 R)
• M3: 815,159 km (0.12 R)
• M4: 1,114,654 km (0.081 R)
• M5: 1,608,476 km (0.056 R)
• M6: 1,959,134 km (0.053 R)
• M7: 2,279,722 km (0.119 R)
• M8: 3,075,732 km (0.098 R)
• M9: 4,503,644 km (0.092 R)
• M10: 5,561,899 km (0.12 R)
• M11: 6,287,599 km (0.072 R)
• M12: 7,117,717 km (0.061 R)
• M13: 8,693,880 km (0.109 R)
• M14: 9,829,777 km (0.062 R)
• M15: 11,897,369 km (0.113 R)
• M16: 12,143,757 km (0.109 R)
• M17: 12,646,555 km (0.064 R)
• M18: 14,238,725 km (0.035 R)
• M19: 17,103,674 km (0.072 R)
• M20: 19,638,909 km (0.112 R)
• M21: 23,362,699 km (0.051 R)
• M22: 24,042,173 km (0.067 R)
• M23: 32,409,631 km (0.094 R)
• M24: 34,238,465 km (0.095 R)
• M25: 37,043,425 km (0.041 R)
• M26: 37,437,466 km (0.051 R)
• M27: 41,110,243 km (0.072 R)
• M28: 47,753,436 km (0.118 R)
• M29: 51,084,681 km (0.068 R)
• M30: 55,591,167 km (0.113 R)
• M31: 59,993,683 km (0.11 R)
• M32: 60,355,560 km (0.087 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 18,895 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit