🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.6

Radius: 10.2

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.42 AU - 0.6 AU

Year: 247 Days

Day: 7.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 126.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,997,373 km

• M1: 126,859 km (0.089 R)
• M2: 453,880 km (0.087 R)
• M3: 815,308 km (0.064 R)
• M4: 1,186,461 km (0.059 R)
• M5: 1,593,666 km (0.101 R)
• M6: 1,935,796 km (0.066 R)
• M7: 3,115,525 km (0.101 R)
• M8: 3,784,228 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336

Radius: 11.4

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.87 AU - 1.07 AU

Year: 648 Days

Day: 8.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,997,373 km

• M1: 141,819 km (0.066 R)
• M2: 583,132 km (0.115 R)
• M3: 1,028,635 km (0.066 R)
• M4: 1,402,779 km (0.111 R)
• M5: 1,770,042 km (0.107 R)
• M6: 2,468,514 km (0.077 R)
• M7: 2,829,494 km (0.099 R)
• M8: 3,498,645 km (0.118 R)
• M9: 3,891,041 km (0.063 R)
• M10: 4,963,957 km (0.118 R)
• M11: 5,362,485 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.3

Radius: 13.9

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.56 AU - 1.66 AU

Year: 1386 Days

Day: 12.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,997,373 km

• M1: 172,935 km (0.045 R)
• M2: 807,230 km (0.113 R)
• M3: 1,278,613 km (0.033 R)
• M4: 1,713,644 km (0.106 R)
• M5: 2,724,776 km (0.083 R)
• M6: 3,463,789 km (0.115 R)
• M7: 3,959,706 km (0.041 R)
• M8: 4,400,571 km (0.11 R)
• M9: 5,114,751 km (0.113 R)
• M10: 5,659,736 km (0.088 R)
• M11: 6,286,701 km (0.099 R)
• M12: 6,959,592 km (0.097 R)
• M13: 7,434,565 km (0.1 R)
• M14: 7,982,094 km (0.106 R)
• M15: 9,046,782 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.5

Radius: 9.5

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.65 AU - 1.79 AU

Year: 1530 Days

Day: 9.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,997,373 km

• M1: 118,182 km (0.086 R)
• M2: 418,126 km (0.064 R)
• M3: 730,038 km (0.094 R)
• M4: 1,145,471 km (0.12 R)
• M5: 1,912,609 km (0.081 R)
• M6: 3,200,497 km (0.082 R)
• M7: 3,535,596 km (0.116 R)
• M8: 4,037,048 km (0.08 R)
• M9: 5,097,248 km (0.094 R)
• M10: 5,422,324 km (0.037 R)
• M11: 6,066,343 km (0.072 R)
• M12: 6,916,209 km (0.07 R)
• M13: 7,701,897 km (0.087 R)
• M14: 8,248,228 km (0.102 R)
• M15: 9,131,604 km (0.092 R)
• M16: 9,743,758 km (0.058 R)
• M17: 10,110,422 km (0.072 R)
• M18: 10,521,069 km (0.119 R)
• M19: 12,237,405 km (0.116 R)
• M20: 14,388,323 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874

Radius: 14.9

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.73 AU - 3.91 AU

Year: 4103 Days

Day: 11.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,997,373 km

• M1: 188,643 km (0.089 R)
• M2: 798,105 km (0.108 R)
• M3: 1,267,244 km (0.086 R)
• M4: 2,889,632 km (0.066 R)
• M5: 3,623,560 km (0.1 R)
• M6: 4,288,821 km (0.074 R)
• M7: 5,113,854 km (0.097 R)
• M8: 6,162,834 km (0.105 R)
• M9: 8,054,050 km (0.057 R)
• M10: 8,763,294 km (0.117 R)
• M11: 9,842,642 km (0.039 R)
• M12: 12,073,595 km (0.09 R)
• M13: 12,655,830 km (0.077 R)
• M14: 18,837,065 km (0.077 R)
• M15: 19,621,406 km (0.09 R)
• M16: 20,223,837 km (0.105 R)
• M17: 21,890,956 km (0.092 R)
• M18: 22,685,021 km (0.117 R)
• M19: 23,200,236 km (0.119 R)
• M20: 24,330,598 km (0.095 R)
• M21: 25,182,707 km (0.119 R)
• M22: 26,054,713 km (0.069 R)
• M23: 28,365,103 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.1

Radius: 10.8

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.46 AU - 4.74 AU

Year: 5631 Days

Day: 13.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 35,997,373 km

• M1: 139,724 km (0.115 R)
• M2: 721,959 km (0.072 R)
• M3: 1,287,589 km (0.106 R)
• M4: 1,685,220 km (0.098 R)
• M5: 2,395,361 km (0.09 R)
• M6: 2,810,346 km (0.07 R)
• M7: 3,490,268 km (0.063 R)
• M8: 5,061,494 km (0.085 R)
• M9: 6,398,750 km (0.084 R)
• M10: 7,462,391 km (0.086 R)
• M11: 7,919,562 km (0.09 R)
• M12: 8,974,227 km (0.068 R)
• M13: 9,404,021 km (0.111 R)
• M14: 10,120,146 km (0.117 R)
• M15: 10,968,965 km (0.037 R)
• M16: 12,225,736 km (0.108 R)
• M17: 13,078,893 km (0.088 R)
• M18: 14,143,132 km (0.053 R)
• M19: 16,001,886 km (0.09 R)
• M20: 18,290,434 km (0.043 R)
• M21: 19,052,635 km (0.074 R)
• M22: 19,548,552 km (0.087 R)
• M23: 22,158,736 km (0.087 R)
• M24: 23,506,762 km (0.041 R)
• M25: 28,980,997 km (0.057 R)
• M26: 29,448,790 km (0.086 R)
• M27: 30,112,107 km (0.083 R)
• M28: 30,592,017 km (0.035 R)
• M29: 35,249,447 km (0.06 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 12,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit