🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.7

Radius: 14.1

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.32 AU - 1.36 AU

Year: 1034 Days

Day: 9.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,352,034 km

• M1: 175,329 km (0.082 R)
• M2: 615,296 km (0.059 R)
• M3: 1,257,520 km (0.063 R)
• M4: 2,035,728 km (0.106 R)
• M5: 2,508,158 km (0.111 R)
• M6: 4,358,085 km (0.096 R)
• M7: 4,902,322 km (0.087 R)
• M8: 5,607,377 km (0.056 R)
• M9: 6,045,998 km (0.076 R)
• M10: 6,572,433 km (0.101 R)
• M11: 7,814,843 km (0.112 R)
• M12: 8,569,864 km (0.077 R)
• M13: 9,072,812 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.3

Radius: 14.3

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.21 AU - 2.93 AU

Year: 2747 Days

Day: 15 Hours

Environment

Temp: -203 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,352,034 km

• M1: 177,872 km (0.109 R)
• M2: 1,664,426 km (0.072 R)
• M3: 2,286,005 km (0.061 R)
• M4: 3,305,515 km (0.069 R)
• M5: 4,004,137 km (0.053 R)
• M6: 4,517,257 km (0.098 R)
• M7: 5,094,256 km (0.114 R)
• M8: 6,211,752 km (0.059 R)
• M9: 7,279,881 km (0.118 R)
• M10: 7,939,608 km (0.118 R)
• M11: 12,325,219 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.7

Radius: 8.7

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.36 AU - 3.68 AU

Year: 4404 Days

Day: 11.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,352,034 km

• M1: 108,159 km (0.036 R)
• M2: 422,913 km (0.094 R)
• M3: 778,059 km (0.083 R)
• M4: 1,626,578 km (0.118 R)
• M5: 1,965,118 km (0.102 R)
• M6: 2,350,631 km (0.105 R)
• M7: 2,938,102 km (0.093 R)
• M8: 4,077,589 km (0.093 R)
• M9: 5,317,157 km (0.106 R)
• M10: 6,000,520 km (0.117 R)
• M11: 7,978,653 km (0.101 R)
• M12: 9,866,428 km (0.051 R)
• M13: 10,191,205 km (0.094 R)
• M14: 10,590,482 km (0.118 R)
• M15: 11,887,795 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.4

Radius: 6.9

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.51 AU - 8.03 AU

Year: 11747 Days

Day: 24.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,352,034 km

• M1: 86,019 km (0.056 R)
• M2: 446,400 km (0.119 R)
• M3: 739,612 km (0.106 R)
• M4: 1,273,078 km (0.095 R)
• M5: 1,701,825 km (0.077 R)
• M6: 2,473,900 km (0.068 R)
• M7: 3,723,940 km (0.09 R)
• M8: 6,316,022 km (0.067 R)
• M9: 11,899,613 km (0.084 R)
• M10: 12,503,839 km (0.115 R)
• M11: 13,360,586 km (0.081 R)
• M12: 14,439,635 km (0.119 R)
• M13: 15,446,579 km (0.084 R)
• M14: 19,042,313 km (0.048 R)
• M15: 20,329,303 km (0.111 R)
• M16: 21,592,508 km (0.114 R)
• M17: 21,835,006 km (0.081 R)
• M18: 22,656,747 km (0.111 R)
• M19: 25,876,542 km (0.053 R)
• M20: 26,426,015 km (0.077 R)
• M21: 28,604,160 km (0.106 R)
• M22: 29,093,046 km (0.056 R)
• M23: 30,593,064 km (0.074 R)
• M24: 31,517,429 km (0.102 R)
• M25: 32,249,262 km (0.093 R)
• M26: 35,401,738 km (0.108 R)
• M27: 35,626,434 km (0.107 R)
• M28: 40,322,909 km (0.094 R)

Asteroid Belt

Center: 8.74 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.5

Radius: 7.8

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 9 AU - 12.4 AU

Year: 23340 Days

Day: 19.4 Hours

Environment

Temp: -245 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,352,034 km

• M1: 97,089 km (0.043 R)
• M2: 340,934 km (0.113 R)
• M3: 2,149,273 km (0.071 R)
• M4: 2,562,911 km (0.048 R)
• M5: 3,463,789 km (0.106 R)
• M6: 3,786,621 km (0.075 R)
• M7: 5,022,449 km (0.096 R)
• M8: 6,639,602 km (0.119 R)
• M9: 8,524,087 km (0.077 R)
• M10: 9,447,554 km (0.061 R)
• M11: 12,413,781 km (0.079 R)
• M12: 13,101,782 km (0.105 R)
• M13: 15,396,164 km (0.084 R)
• M14: 17,011,073 km (0.091 R)
• M15: 17,431,742 km (0.107 R)
• M16: 20,479,051 km (0.076 R)
• M17: 23,138,751 km (0.109 R)
• M18: 26,354,507 km (0.106 R)
• M19: 27,836,125 km (0.096 R)
• M20: 29,372,495 km (0.064 R)
• M21: 32,355,925 km (0.089 R)
• M22: 34,856,603 km (0.088 R)
• M23: 35,127,076 km (0.104 R)
• M24: 44,066,746 km (0.064 R)
• M25: 55,877,348 km (0.091 R)
• M26: 57,181,692 km (0.076 R)
• M27: 57,746,872 km (0.091 R)
• M28: 58,315,793 km (0.096 R)
• M29: 60,239,173 km (0.105 R)
• M30: 63,403,916 km (0.076 R)
• M31: 65,849,093 km (0.093 R)
• M32: 70,926,445 km (0.07 R)
• M33: 74,228,818 km (0.045 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 12,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit