🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.6

Radius: 13.1

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.53 AU - 0.65 AU

Year: 313 Days

Day: 9.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,819,709 km

• M1: 165,754 km (0.033 R)
• M2: 580,290 km (0.116 R)
• M3: 1,178,083 km (0.091 R)
• M4: 1,704,369 km (0.04 R)
• M5: 2,135,510 km (0.043 R)
• M6: 2,912,072 km (0.03 R)
• M7: 3,322,868 km (0.103 R)
• M8: 3,748,474 km (0.105 R)
• M9: 4,725,198 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.8

Radius: 14

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.6 AU - 0.76 AU

Year: 387 Days

Day: 6.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 26,819,709 km

• M1: 174,132 km (0.061 R)
• M2: 641,326 km (0.086 R)
• M3: 1,801,009 km (0.062 R)
• M4: 2,513,992 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.1

Radius: 14.3

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.72 AU - 1.2 AU

Year: 649 Days

Day: 5.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,819,709 km

• M1: 179,817 km (0.041 R)
• M2: 705,803 km (0.113 R)
• M3: 1,169,107 km (0.043 R)
• M4: 1,664,426 km (0.068 R)
• M5: 2,342,553 km (0.105 R)
• M6: 2,857,918 km (0.096 R)
• M7: 3,342,914 km (0.046 R)
• M8: 4,031,064 km (0.06 R)
• M9: 4,728,190 km (0.094 R)
• M10: 5,412,301 km (0.114 R)
• M11: 6,323,801 km (0.033 R)
• M12: 6,914,114 km (0.083 R)
• M13: 8,254,661 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.5

Radius: 9.9

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.92 AU - 1.54 AU

Year: 942 Days

Day: 5.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,819,709 km

• M1: 125,363 km (0.072 R)
• M2: 531,072 km (0.062 R)
• M3: 974,331 km (0.088 R)
• M4: 1,333,515 km (0.114 R)
• M5: 1,694,645 km (0.105 R)
• M6: 2,038,570 km (0.096 R)
• M7: 2,456,995 km (0.1 R)
• M8: 2,880,058 km (0.093 R)
• M9: 3,362,960 km (0.097 R)
• M10: 4,721,458 km (0.085 R)
• M11: 5,158,434 km (0.083 R)
• M12: 5,491,588 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.4

Radius: 10.1

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.24 AU - 1.38 AU

Year: 1035 Days

Day: 8.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,819,709 km

• M1: 125,662 km (0.111 R)
• M2: 495,169 km (0.083 R)
• M3: 903,721 km (0.077 R)
• M4: 1,511,986 km (0.059 R)
• M5: 2,494,544 km (0.106 R)
• M6: 2,917,009 km (0.094 R)
• M7: 3,356,976 km (0.03 R)
• M8: 4,194,874 km (0.057 R)
• M9: 4,552,114 km (0.064 R)
• M10: 6,055,273 km (0.109 R)
• M11: 7,142,401 km (0.116 R)
• M12: 7,945,293 km (0.091 R)
• M13: 8,438,367 km (0.109 R)
• M14: 10,231,148 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.5

Radius: 13.7

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.4 AU - 1.48 AU

Year: 1193 Days

Day: 7.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,819,709 km

• M1: 170,392 km (0.119 R)
• M2: 897,886 km (0.077 R)
• M3: 1,728,603 km (0.043 R)
• M4: 2,215,993 km (0.061 R)
• M5: 2,716,249 km (0.098 R)
• M6: 3,475,458 km (0.117 R)
• M7: 5,899,691 km (0.098 R)
• M8: 7,358,270 km (0.064 R)
• M9: 8,925,607 km (0.103 R)
• M10: 9,693,194 km (0.095 R)
• M11: 11,325,307 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.5

Radius: 11.2

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.67 AU - 1.67 AU

Year: 1490 Days

Day: 12.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,819,709 km

• M1: 142,716 km (0.113 R)
• M2: 548,575 km (0.108 R)
• M3: 1,271,731 km (0.069 R)
• M4: 1,813,725 km (0.118 R)
• M5: 2,308,894 km (0.091 R)
• M6: 2,741,531 km (0.091 R)
• M7: 3,304,617 km (0.104 R)
• M8: 3,908,992 km (0.103 R)
• M9: 4,357,936 km (0.103 R)
• M10: 6,460,982 km (0.091 R)
• M11: 7,327,753 km (0.102 R)
• M12: 7,984,936 km (0.058 R)
• M13: 9,385,770 km (0.101 R)
• M14: 10,530,793 km (0.073 R)
• M15: 11,013,994 km (0.041 R)
• M16: 12,745,589 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.2

Radius: 14.5

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.77 AU - 3.81 AU

Year: 4119 Days

Day: 11.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 92.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,819,709 km

• M1: 180,265 km (0.103 R)
• M2: 637,885 km (0.093 R)
• M3: 1,227,301 km (0.116 R)
• M4: 1,936,844 km (0.106 R)
• M5: 3,352,937 km (0.07 R)
• M6: 4,305,576 km (0.047 R)
• M7: 4,783,841 km (0.086 R)
• M8: 5,324,338 km (0.098 R)
• M9: 6,079,508 km (0.084 R)
• M10: 7,098,419 km (0.082 R)
• M11: 9,674,644 km (0.097 R)
• M12: 10,206,464 km (0.064 R)
• M13: 13,017,558 km (0.07 R)
• M14: 13,515,120 km (0.113 R)
• M15: 14,180,831 km (0.031 R)
• M16: 16,026,121 km (0.055 R)
• M17: 16,889,151 km (0.099 R)
• M18: 19,925,838 km (0.107 R)
• M19: 22,165,617 km (0.105 R)
• M20: 22,948,164 km (0.097 R)
• M21: 26,422,126 km (0.043 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 13,865 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit