🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.9

Radius: 12.5

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.5 AU - 0.6 AU

Year: 282 Days

Day: 8.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 21,237,659 km

• M1: 155,432 km (0.114 R)
• M2: 811,568 km (0.103 R)
• M3: 1,643,482 km (0.098 R)
• M4: 2,198,191 km (0.107 R)
• M5: 2,627,986 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.8

Radius: 13.7

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.95 AU - 1.45 AU

Year: 907 Days

Day: 5.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,237,659 km

• M1: 170,392 km (0.115 R)
• M2: 683,363 km (0.116 R)
• M3: 1,178,831 km (0.07 R)
• M4: 1,722,320 km (0.094 R)
• M5: 3,359,669 km (0.091 R)
• M6: 3,921,259 km (0.085 R)
• M7: 5,177,882 km (0.111 R)
• M8: 5,766,400 km (0.069 R)
• M9: 6,732,951 km (0.101 R)
• M10: 9,899,041 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.3

Radius: 9.7

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.37 AU - 3.59 AU

Year: 4481 Days

Day: 5.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,237,659 km

• M1: 147,952 km (0.046 R)
• M2: 486,343 km (0.111 R)
• M3: 1,139,487 km (0.11 R)
• M4: 1,520,363 km (0.069 R)
• M5: 2,265,809 km (0.069 R)
• M6: 3,507,023 km (0.118 R)
• M7: 4,285,680 km (0.093 R)
• M8: 4,823,035 km (0.09 R)
• M9: 5,243,555 km (0.116 R)
• M10: 9,406,116 km (0.029 R)
• M11: 9,783,402 km (0.049 R)
• M12: 11,317,977 km (0.119 R)
• M13: 13,346,823 km (0.066 R)
• M14: 16,381,266 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.2

Radius: 8.7

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.46 AU - 4.18 AU

Year: 5154 Days

Day: 6.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,237,659 km

• M1: 108,159 km (0.045 R)
• M2: 424,260 km (0.107 R)
• M3: 1,101,040 km (0.036 R)
• M4: 1,586,785 km (0.101 R)
• M5: 1,913,357 km (0.12 R)
• M6: 2,209,710 km (0.116 R)
• M7: 4,230,179 km (0.081 R)
• M8: 5,124,774 km (0.057 R)
• M9: 7,836,385 km (0.094 R)
• M10: 8,195,271 km (0.094 R)
• M11: 9,062,340 km (0.086 R)
• M12: 9,457,877 km (0.064 R)
• M13: 12,999,756 km (0.118 R)
• M14: 14,072,073 km (0.096 R)
• M15: 17,460,016 km (0.07 R)
• M16: 18,510,792 km (0.079 R)
• M17: 19,148,228 km (0.109 R)
• M18: 22,918,693 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.8

Radius: 11.7

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.19 AU - 4.79 AU

Year: 5501 Days

Day: 6.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 21,237,659 km

• M1: 147,354 km (0.043 R)
• M2: 566,378 km (0.115 R)
• M3: 999,613 km (0.098 R)
• M4: 1,430,156 km (0.104 R)
• M5: 1,803,552 km (0.064 R)
• M6: 2,540,621 km (0.101 R)
• M7: 3,733,664 km (0.072 R)
• M8: 4,584,726 km (0.077 R)
• M9: 5,442,670 km (0.095 R)
• M10: 6,051,084 km (0.062 R)
• M11: 8,151,588 km (0.104 R)
• M12: 9,198,175 km (0.068 R)
• M13: 9,580,547 km (0.112 R)
• M14: 11,122,452 km (0.081 R)
• M15: 13,194,682 km (0.07 R)
• M16: 14,350,325 km (0.061 R)
• M17: 14,865,690 km (0.116 R)
• M18: 15,752,207 km (0.073 R)
• M19: 18,489,399 km (0.098 R)
• M20: 19,100,058 km (0.102 R)
• M21: 20,939,962 km (0.062 R)
• M22: 21,678,078 km (0.118 R)
• M23: 22,586,735 km (0.1 R)
• M24: 23,128,429 km (0.111 R)
• M25: 27,955,504 km (0.113 R)
• M26: 29,032,010 km (0.036 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.5

Radius: 3.6

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.87 AU - 8.39 AU

Year: 13142 Days

Day: 16.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,237,659 km

• M1: 46,824 km (0.104 R)
• M2: 164,258 km (0.073 R)
• M3: 443,707 km (0.102 R)
• M4: 651,948 km (0.114 R)
• M5: 1,009,038 km (0.055 R)
• M6: 1,162,375 km (0.087 R)
• M7: 1,516,174 km (0.052 R)
• M8: 2,757,986 km (0.11 R)
• M9: 2,905,939 km (0.119 R)
• M10: 3,111,486 km (0.057 R)
• M11: 3,475,458 km (0.11 R)
• M12: 3,990,224 km (0.116 R)
• M13: 4,397,280 km (0.104 R)
• M14: 4,599,536 km (0.049 R)
• M15: 5,600,346 km (0.073 R)
• M16: 7,067,602 km (0.119 R)
• M17: 9,238,267 km (0.104 R)
• M18: 10,375,061 km (0.058 R)
• M19: 14,487,058 km (0.047 R)
• M20: 16,926,999 km (0.105 R)
• M21: 18,853,520 km (0.108 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 14,766 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit