🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.8

Radius: 10.9

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.88 AU - 1.22 AU

Year: 730 Days

Day: 13.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,913,794 km

• M1: 135,536 km (0.079 R)
• M2: 810,671 km (0.113 R)
• M3: 1,203,365 km (0.09 R)
• M4: 1,835,416 km (0.073 R)
• M5: 2,309,642 km (0.1 R)
• M6: 3,384,652 km (0.116 R)
• M7: 4,072,652 km (0.055 R)
• M8: 4,766,039 km (0.041 R)
• M9: 5,423,970 km (0.112 R)
• M10: 5,823,845 km (0.106 R)
• M11: 6,471,005 km (0.052 R)
• M12: 6,833,930 km (0.028 R)
• M13: 8,078,285 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.2

Radius: 10.3

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.27 AU - 1.35 AU

Year: 1017 Days

Day: 10.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,913,794 km

• M1: 128,056 km (0.114 R)
• M2: 526,136 km (0.096 R)
• M3: 1,124,677 km (0.078 R)
• M4: 2,261,471 km (0.031 R)
• M5: 3,231,314 km (0.112 R)
• M6: 4,014,160 km (0.115 R)
• M7: 4,372,297 km (0.05 R)
• M8: 4,872,851 km (0.025 R)
• M9: 5,297,261 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.8

Radius: 13.7

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.21 AU - 1.77 AU

Year: 1234 Days

Day: 5.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,913,794 km

• M1: 170,542 km (0.059 R)
• M2: 605,572 km (0.044 R)
• M3: 1,202,019 km (0.07 R)
• M4: 2,005,808 km (0.112 R)
• M5: 2,434,705 km (0.079 R)
• M6: 3,020,531 km (0.107 R)
• M7: 3,452,420 km (0.101 R)
• M8: 4,127,256 km (0.074 R)
• M9: 5,162,922 km (0.082 R)
• M10: 6,003,961 km (0.089 R)
• M11: 6,812,986 km (0.08 R)
• M12: 9,468,947 km (0.099 R)
• M13: 10,436,695 km (0.081 R)
• M14: 10,994,696 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.8

Radius: 11.1

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.7 AU - 2.56 AU

Year: 2108 Days

Day: 13.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,913,794 km

• M1: 138,079 km (0.098 R)
• M2: 518,955 km (0.115 R)
• M3: 1,071,121 km (0.087 R)
• M4: 1,787,994 km (0.053 R)
• M5: 2,274,037 km (0.088 R)
• M6: 2,862,854 km (0.12 R)
• M7: 3,391,085 km (0.118 R)
• M8: 3,886,403 km (0.1 R)
• M9: 5,569,978 km (0.1 R)
• M10: 5,973,443 km (0.09 R)
• M11: 6,505,114 km (0.106 R)
• M12: 7,332,240 km (0.083 R)
• M13: 9,616,899 km (0.042 R)
• M14: 11,354,628 km (0.103 R)
• M15: 13,560,897 km (0.1 R)
• M16: 15,004,666 km (0.073 R)
• M17: 16,190,828 km (0.089 R)
• M18: 17,976,727 km (0.103 R)
• M19: 18,581,701 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.6

Radius: 13.1

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.76 AU - 3.94 AU

Year: 4159 Days

Day: 13.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,913,794 km

• M1: 162,912 km (0.12 R)
• M2: 608,714 km (0.079 R)
• M3: 2,477,191 km (0.088 R)
• M4: 2,993,154 km (0.094 R)
• M5: 4,942,414 km (0.091 R)
• M6: 5,441,323 km (0.105 R)
• M7: 6,158,944 km (0.119 R)
• M8: 8,729,933 km (0.104 R)
• M9: 10,009,444 km (0.086 R)
• M10: 12,762,194 km (0.089 R)
• M11: 14,360,049 km (0.046 R)
• M12: 15,630,734 km (0.107 R)
• M13: 16,868,955 km (0.117 R)
• M14: 18,563,899 km (0.097 R)
• M15: 19,249,506 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428

Radius: 9.7

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.56 AU - 4.16 AU

Year: 5144 Days

Day: 6.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,913,794 km

• M1: 120,576 km (0.082 R)
• M2: 534,663 km (0.115 R)
• M3: 986,748 km (0.12 R)
• M4: 1,352,514 km (0.095 R)
• M5: 1,697,936 km (0.116 R)
• M6: 2,412,714 km (0.086 R)
• M7: 4,108,107 km (0.112 R)
• M8: 4,818,547 km (0.078 R)
• M9: 5,229,792 km (0.086 R)
• M10: 6,064,398 km (0.073 R)
• M11: 6,483,123 km (0.117 R)
• M12: 7,378,616 km (0.118 R)
• M13: 8,873,398 km (0.082 R)
• M14: 9,296,311 km (0.09 R)
• M15: 10,475,890 km (0.06 R)
• M16: 12,499,500 km (0.04 R)
• M17: 15,976,155 km (0.111 R)
• M18: 16,430,185 km (0.073 R)
• M19: 19,083,303 km (0.085 R)
• M20: 20,980,353 km (0.079 R)
• M21: 22,501,016 km (0.068 R)
• M22: 23,506,313 km (0.09 R)
• M23: 24,616,180 km (0.079 R)
• M24: 25,528,877 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.6

Radius: 3

Gravity: 25.07 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.59 AU - 9.09 AU

Year: 16336 Days

Day: 18 Hours

Environment

Temp: -242 °C

Axial Tilt: 85.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,913,794 km

• M1: 40,691 km (0.111 R)
• M2: 150,196 km (0.119 R)
• M3: 270,772 km (0.074 R)
• M4: 367,113 km (0.12 R)
• M5: 617,690 km (0.114 R)
• M6: 1,022,950 km (0.068 R)
• M7: 1,872,517 km (0.106 R)
• M8: 2,323,554 km (0.031 R)
• M9: 3,130,335 km (0.108 R)
• M10: 5,703,269 km (0.032 R)
• M11: 6,413,710 km (0.042 R)
• M12: 8,137,227 km (0.112 R)
• M13: 10,450,458 km (0.109 R)
• M14: 13,528,584 km (0.049 R)
• M15: 14,021,509 km (0.102 R)
• M16: 14,209,255 km (0.103 R)
• M17: 16,665,951 km (0.066 R)
• M18: 23,969,169 km (0.032 R)
• M19: 28,510,512 km (0.089 R)
• M20: 30,770,936 km (0.051 R)
• M21: 34,381,031 km (0.11 R)
• M22: 35,181,530 km (0.07 R)
• M23: 38,263,395 km (0.08 R)
• M24: 40,752,854 km (0.113 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: 170 - 16,968 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit