🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.6

Radius: 11.1

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.76 AU - 0.76 AU

Year: 435 Days

Day: 14.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,266,750 km

• M1: 139,425 km (0.114 R)
• M2: 506,090 km (0.075 R)
• M3: 854,204 km (0.11 R)
• M4: 1,209,798 km (0.061 R)
• M5: 1,709,006 km (0.11 R)
• M6: 2,080,757 km (0.094 R)
• M7: 2,571,288 km (0.085 R)
• M8: 3,101,014 km (0.113 R)
• M9: 3,476,954 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.4

Radius: 13.2

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.73 AU - 1.13 AU

Year: 588 Days

Day: 13.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,266,750 km

• M1: 164,857 km (0.117 R)
• M2: 720,763 km (0.075 R)
• M3: 1,131,259 km (0.11 R)
• M4: 1,543,700 km (0.102 R)
• M5: 2,179,491 km (0.076 R)
• M6: 2,730,760 km (0.091 R)
• M7: 3,350,544 km (0.092 R)
• M8: 3,810,407 km (0.111 R)
• M9: 4,355,093 km (0.057 R)
• M10: 4,858,640 km (0.086 R)
• M11: 5,551,278 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949

Radius: 11.5

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.97 AU - 1.37 AU

Year: 830 Days

Day: 8.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,266,750 km

• M1: 143,016 km (0.109 R)
• M2: 537,056 km (0.093 R)
• M3: 968,347 km (0.117 R)
• M4: 1,441,974 km (0.106 R)
• M5: 2,119,503 km (0.091 R)
• M6: 2,590,736 km (0.075 R)
• M7: 3,212,764 km (0.102 R)
• M8: 4,720,262 km (0.066 R)
• M9: 5,938,138 km (0.119 R)
• M10: 6,905,887 km (0.095 R)
• M11: 7,899,366 km (0.034 R)
• M12: 8,259,747 km (0.114 R)
• M13: 9,208,946 km (0.106 R)
• M14: 10,079,157 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.1

Radius: 8.8

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.16 AU - 1.3 AU

Year: 895 Days

Day: 5.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,266,750 km

• M1: 109,506 km (0.068 R)
• M2: 423,661 km (0.114 R)
• M3: 747,840 km (0.114 R)
• M4: 1,021,454 km (0.093 R)
• M5: 1,711,549 km (0.098 R)
• M6: 2,027,949 km (0.101 R)
• M7: 2,350,631 km (0.085 R)
• M8: 3,530,959 km (0.113 R)
• M9: 4,000,995 km (0.1 R)
• M10: 6,097,460 km (0.049 R)
• M11: 6,441,086 km (0.067 R)
• M12: 7,429,479 km (0.114 R)
• M13: 7,872,139 km (0.085 R)
• M14: 8,176,720 km (0.062 R)
• M15: 8,542,188 km (0.112 R)
• M16: 9,194,136 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.2

Radius: 12.5

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.03 AU - 2.19 AU

Year: 2011 Days

Day: 11.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,266,750 km

• M1: 155,432 km (0.087 R)
• M2: 735,274 km (0.086 R)
• M3: 1,178,831 km (0.051 R)
• M4: 1,610,421 km (0.054 R)
• M5: 2,573,233 km (0.078 R)
• M6: 3,121,360 km (0.062 R)
• M7: 5,288,434 km (0.119 R)
• M8: 6,743,124 km (0.098 R)
• M9: 7,920,459 km (0.103 R)
• M10: 9,432,894 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89

Radius: 14.4

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.18 AU - 2.78 AU

Year: 2562 Days

Day: 6.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,266,750 km

• M1: 179,069 km (0.07 R)
• M2: 866,172 km (0.116 R)
• M3: 2,143,588 km (0.104 R)
• M4: 2,782,969 km (0.077 R)
• M5: 3,649,290 km (0.12 R)
• M6: 4,122,469 km (0.052 R)
• M7: 9,621,237 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.1

Radius: 14.8

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.34 AU - 4.04 AU

Year: 4650 Days

Day: 14.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,266,750 km

• M1: 184,005 km (0.104 R)
• M2: 1,345,782 km (0.116 R)
• M3: 4,967,248 km (0.105 R)
• M4: 6,115,411 km (0.067 R)
• M5: 6,974,702 km (0.113 R)
• M6: 11,609,094 km (0.096 R)
• M7: 12,217,509 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.2

Radius: 13.3

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.18 AU - 6.3 AU

Year: 7869 Days

Day: 5.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,266,750 km

• M1: 165,455 km (0.047 R)
• M2: 580,290 km (0.117 R)
• M3: 1,181,374 km (0.087 R)
• M4: 1,602,642 km (0.105 R)
• M5: 2,096,315 km (0.029 R)
• M6: 2,550,195 km (0.072 R)
• M7: 3,420,107 km (0.099 R)
• M8: 3,960,304 km (0.108 R)
• M9: 5,901,187 km (0.11 R)
• M10: 8,253,464 km (0.097 R)
• M11: 11,514,698 km (0.099 R)
• M12: 12,682,758 km (0.096 R)
• M13: 13,431,346 km (0.1 R)
• M14: 14,209,404 km (0.117 R)
• M15: 16,348,205 km (0.105 R)
• M16: 18,490,297 km (0.081 R)
• M17: 19,664,042 km (0.1 R)
• M18: 20,887,004 km (0.06 R)
• M19: 21,330,412 km (0.106 R)
• M20: 26,460,722 km (0.077 R)
• M21: 31,772,493 km (0.115 R)
• M22: 33,960,811 km (0.11 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 15,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit