🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.8

Radius: 15

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.7 AU - 1 AU

Year: 514 Days

Day: 6.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,419,558 km

• M1: 186,549 km (0.091 R)
• M2: 689,197 km (0.07 R)
• M3: 1,197,232 km (0.104 R)
• M4: 2,007,903 km (0.071 R)
• M5: 2,569,044 km (0.042 R)
• M6: 3,086,204 km (0.111 R)
• M7: 4,138,027 km (0.098 R)
• M8: 4,763,196 km (0.084 R)
• M9: 5,688,908 km (0.07 R)
• M10: 6,314,975 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.1

Radius: 11

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.95 AU - 1.45 AU

Year: 862 Days

Day: 7.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 60,419,558 km

• M1: 144,362 km (0.028 R)
• M2: 660,475 km (0.116 R)
• M3: 1,732,942 km (0.102 R)
• M4: 2,293,485 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.3

Radius: 11.3

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.38 AU - 2.22 AU

Year: 1584 Days

Day: 8.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,419,558 km

• M1: 146,157 km (0.091 R)
• M2: 599,289 km (0.099 R)
• M3: 1,370,915 km (0.091 R)
• M4: 2,124,439 km (0.115 R)
• M5: 4,501,101 km (0.067 R)
• M6: 5,513,280 km (0.074 R)
• M7: 6,324,848 km (0.11 R)
• M8: 6,900,501 km (0.072 R)
• M9: 7,842,968 km (0.096 R)
• M10: 9,147,311 km (0.094 R)
• M11: 9,559,005 km (0.088 R)
• M12: 10,317,915 km (0.101 R)
• M13: 10,904,189 km (0.083 R)
• M14: 13,678,481 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.4

Radius: 10.5

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.19 AU - 4.71 AU

Year: 5150 Days

Day: 7.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,419,558 km

• M1: 130,599 km (0.117 R)
• M2: 460,462 km (0.069 R)
• M3: 1,219,073 km (0.12 R)
• M4: 1,629,270 km (0.086 R)
• M5: 2,543,912 km (0.119 R)
• M6: 3,427,287 km (0.117 R)
• M7: 3,837,933 km (0.059 R)
• M8: 5,078,698 km (0.093 R)
• M9: 5,673,050 km (0.115 R)
• M10: 6,569,291 km (0.046 R)
• M11: 8,294,604 km (0.111 R)
• M12: 9,365,126 km (0.092 R)
• M13: 12,168,740 km (0.05 R)
• M14: 12,923,012 km (0.033 R)
• M15: 16,556,146 km (0.118 R)
• M16: 18,442,425 km (0.119 R)
• M17: 18,902,439 km (0.06 R)
• M18: 21,032,114 km (0.059 R)
• M19: 21,824,833 km (0.091 R)
• M20: 25,600,085 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717

Radius: 15

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.93 AU - 4.65 AU

Year: 5829 Days

Day: 12.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,419,558 km

• M1: 189,391 km (0.113 R)
• M2: 1,080,396 km (0.113 R)
• M3: 1,762,263 km (0.106 R)
• M4: 3,560,429 km (0.09 R)
• M5: 4,135,783 km (0.107 R)
• M6: 5,300,552 km (0.099 R)
• M7: 5,836,411 km (0.1 R)
• M8: 6,844,701 km (0.066 R)
• M9: 8,712,281 km (0.106 R)
• M10: 9,504,551 km (0.05 R)
• M11: 11,426,884 km (0.082 R)
• M12: 12,792,563 km (0.042 R)
• M13: 13,928,160 km (0.084 R)
• M14: 15,012,446 km (0.112 R)
• M15: 16,275,800 km (0.089 R)
• M16: 19,497,988 km (0.082 R)
• M17: 21,148,352 km (0.09 R)
• M18: 25,805,782 km (0.075 R)
• M19: 26,657,742 km (0.092 R)
• M20: 27,177,894 km (0.069 R)
• M21: 28,328,152 km (0.117 R)
• M22: 30,915,896 km (0.064 R)
• M23: 33,156,274 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812

Radius: 7.1

Gravity: 16.11 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 6.29 AU - 8.27 AU

Year: 12886 Days

Day: 16.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,419,558 km

• M1: 88,263 km (0.099 R)
• M2: 320,439 km (0.099 R)
• M3: 847,023 km (0.04 R)
• M4: 1,536,071 km (0.074 R)
• M5: 2,243,818 km (0.098 R)
• M6: 2,957,400 km (0.09 R)
• M7: 3,201,095 km (0.068 R)
• M8: 3,841,374 km (0.088 R)
• M9: 6,973,654 km (0.089 R)
• M10: 7,676,316 km (0.064 R)
• M11: 8,138,872 km (0.113 R)
• M12: 10,013,483 km (0.04 R)
• M13: 11,079,966 km (0.081 R)
• M14: 12,659,570 km (0.109 R)
• M15: 16,713,373 km (0.119 R)
• M16: 19,199,241 km (0.078 R)
• M17: 19,452,211 km (0.1 R)
• M18: 19,792,845 km (0.072 R)
• M19: 20,137,669 km (0.12 R)
• M20: 21,375,591 km (0.115 R)
• M21: 25,191,234 km (0.105 R)
• M22: 28,552,848 km (0.092 R)
• M23: 28,882,562 km (0.089 R)
• M24: 31,729,708 km (0.111 R)
• M25: 33,524,733 km (0.077 R)
• M26: 35,008,744 km (0.05 R)
• M27: 36,278,531 km (0.051 R)
• M28: 36,536,138 km (0.086 R)
• M29: 36,924,794 km (0.063 R)
• M30: 38,506,941 km (0.109 R)
• M31: 46,188,941 km (0.116 R)
• M32: 47,715,288 km (0.065 R)
• M33: 48,803,613 km (0.118 R)
• M34: 49,117,618 km (0.041 R)
• M35: 51,840,898 km (0.112 R)
• M36: 52,660,545 km (0.06 R)
• M37: 55,683,170 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.8

Radius: 7.8

Gravity: 12.13 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.49 AU - 7.63 AU

Year: 13636 Days

Day: 18.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,419,558 km

• M1: 96,939 km (0.102 R)
• M2: 431,440 km (0.112 R)
• M3: 679,922 km (0.061 R)
• M4: 1,062,294 km (0.057 R)
• M5: 1,393,055 km (0.119 R)
• M6: 1,742,067 km (0.1 R)
• M7: 2,911,474 km (0.049 R)
• M8: 3,252,707 km (0.111 R)
• M9: 3,871,443 km (0.119 R)
• M10: 4,284,932 km (0.116 R)
• M11: 5,630,565 km (0.101 R)
• M12: 6,851,882 km (0.096 R)
• M13: 9,490,489 km (0.116 R)
• M14: 12,549,017 km (0.114 R)
• M15: 14,895,011 km (0.119 R)
• M16: 15,180,444 km (0.107 R)
• M17: 17,048,323 km (0.041 R)
• M18: 21,595,949 km (0.078 R)
• M19: 22,146,469 km (0.034 R)
• M20: 24,939,760 km (0.107 R)
• M21: 29,165,900 km (0.088 R)
• M22: 33,114,087 km (0.119 R)
• M23: 33,356,884 km (0.083 R)
• M24: 41,065,214 km (0.03 R)
• M25: 42,193,930 km (0.078 R)
• M26: 42,765,992 km (0.112 R)
• M27: 46,156,478 km (0.04 R)
• M28: 50,199,959 km (0.087 R)
• M29: 59,340,239 km (0.077 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: 272 - 19,092 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit