🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.2

Radius: 14

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.57 AU - 0.77 AU

Year: 366 Days

Day: 12.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,112,659 km

• M1: 174,132 km (0.105 R)
• M2: 667,356 km (0.114 R)
• M3: 1,213,089 km (0.066 R)
• M4: 1,775,278 km (0.109 R)
• M5: 2,265,660 km (0.078 R)
• M6: 2,746,767 km (0.11 R)
• M7: 3,255,399 km (0.043 R)
• M8: 3,725,436 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.4

Radius: 10.4

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.15 AU - 1.33 AU

Year: 921 Days

Day: 6.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,112,659 km

• M1: 129,402 km (0.108 R)
• M2: 479,461 km (0.071 R)
• M3: 889,659 km (0.087 R)
• M4: 1,274,574 km (0.102 R)
• M5: 1,750,295 km (0.082 R)
• M6: 2,101,850 km (0.066 R)
• M7: 2,752,900 km (0.115 R)
• M8: 3,211,268 km (0.082 R)
• M9: 4,178,269 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.3

Radius: 14.4

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.78 AU - 2.84 AU

Year: 3141 Days

Day: 14.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,112,659 km

• M1: 179,069 km (0.093 R)
• M2: 797,207 km (0.045 R)
• M3: 1,485,806 km (0.048 R)
• M4: 1,937,592 km (0.099 R)
• M5: 2,881,853 km (0.094 R)
• M6: 3,341,717 km (0.118 R)
• M7: 4,347,464 km (0.112 R)
• M8: 4,840,090 km (0.109 R)
• M9: 5,495,777 km (0.105 R)
• M10: 6,461,880 km (0.073 R)
• M11: 7,166,935 km (0.059 R)
• M12: 7,697,110 km (0.064 R)
• M13: 8,662,016 km (0.038 R)
• M14: 9,819,006 km (0.108 R)
• M15: 10,712,404 km (0.068 R)
• M16: 11,407,137 km (0.077 R)
• M17: 13,862,935 km (0.084 R)
• M18: 15,290,997 km (0.083 R)
• M19: 16,760,945 km (0.104 R)
• M20: 19,139,851 km (0.065 R)
• M21: 21,479,262 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.8

Radius: 9.7

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.65 AU - 3.17 AU

Year: 3310 Days

Day: 10.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,112,659 km

• M1: 120,576 km (0.084 R)
• M2: 459,265 km (0.12 R)
• M3: 787,483 km (0.117 R)
• M4: 1,512,883 km (0.095 R)
• M5: 2,104,393 km (0.091 R)
• M6: 2,688,573 km (0.077 R)
• M7: 3,004,524 km (0.115 R)
• M8: 5,018,410 km (0.07 R)
• M9: 7,188,776 km (0.064 R)
• M10: 7,659,860 km (0.059 R)
• M11: 8,210,530 km (0.093 R)
• M12: 9,587,428 km (0.056 R)
• M13: 10,296,373 km (0.045 R)
• M14: 11,258,736 km (0.113 R)
• M15: 12,047,715 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.8

Radius: 8.8

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.82 AU - 4 AU

Year: 5156 Days

Day: 14.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,112,659 km

• M1: 112,946 km (0.089 R)
• M2: 476,170 km (0.047 R)
• M3: 1,202,468 km (0.053 R)
• M4: 1,776,475 km (0.037 R)
• M5: 2,837,872 km (0.109 R)
• M6: 3,319,427 km (0.102 R)
• M7: 3,699,256 km (0.097 R)
• M8: 4,298,994 km (0.055 R)
• M9: 4,622,275 km (0.045 R)
• M10: 4,962,012 km (0.079 R)
• M11: 5,899,691 km (0.083 R)
• M12: 9,797,613 km (0.096 R)
• M13: 10,626,386 km (0.059 R)
• M14: 11,595,929 km (0.05 R)
• M15: 12,077,784 km (0.115 R)
• M16: 14,358,404 km (0.117 R)
• M17: 14,914,309 km (0.109 R)
• M18: 17,096,344 km (0.105 R)
• M19: 17,594,654 km (0.108 R)
• M20: 18,231,193 km (0.116 R)
• M21: 18,751,345 km (0.103 R)
• M22: 22,599,750 km (0.061 R)
• M23: 25,305,078 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.2

Radius: 3.1

Gravity: 62.14 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.83 AU - 10.55 AU

Year: 18578 Days

Day: 19.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,112,659 km

• M1: 38,596 km (0.077 R)
• M2: 197,619 km (0.109 R)
• M3: 697,575 km (0.062 R)
• M4: 1,212,491 km (0.076 R)
• M5: 1,340,247 km (0.094 R)
• M6: 2,756,939 km (0.043 R)
• M7: 3,401,706 km (0.054 R)
• M8: 4,141,168 km (0.091 R)
• M9: 4,633,046 km (0.091 R)
• M10: 5,499,218 km (0.054 R)
• M11: 7,037,383 km (0.111 R)
• M12: 7,783,428 km (0.117 R)
• M13: 8,325,869 km (0.118 R)
• M14: 10,688,917 km (0.118 R)
• M15: 11,050,645 km (0.115 R)
• M16: 11,926,092 km (0.12 R)
• M17: 13,956,135 km (0.074 R)
• M18: 14,388,024 km (0.072 R)
• M19: 17,168,151 km (0.079 R)
• M20: 19,563,063 km (0.108 R)
• M21: 20,746,981 km (0.054 R)
• M22: 23,659,651 km (0.072 R)
• M23: 26,503,956 km (0.116 R)
• M24: 30,041,048 km (0.044 R)
• M25: 32,232,507 km (0.057 R)
• M26: 36,117,863 km (0.065 R)
• M27: 39,871,273 km (0.069 R)
• M28: 47,331,570 km (0.11 R)
• M29: 69,200,833 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.3

Radius: 5.6

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.67 AU - 12.51 AU

Year: 21373 Days

Day: 24.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,112,659 km

• M1: 69,713 km (0.038 R)
• M2: 286,630 km (0.072 R)
• M3: 589,266 km (0.066 R)
• M4: 867,069 km (0.093 R)
• M5: 1,164,919 km (0.052 R)
• M6: 1,438,832 km (0.117 R)
• M7: 3,394,226 km (0.076 R)
• M8: 3,611,592 km (0.109 R)
• M9: 5,891,314 km (0.085 R)
• M10: 6,490,453 km (0.064 R)
• M11: 11,683,444 km (0.105 R)
• M12: 15,534,991 km (0.046 R)
• M13: 16,135,477 km (0.046 R)
• M14: 18,861,300 km (0.088 R)
• M15: 19,458,345 km (0.112 R)
• M16: 27,417,550 km (0.039 R)
• M17: 58,322,076 km (0.114 R)
• M18: 59,951,795 km (0.119 R)
• M19: 62,735,213 km (0.089 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: 225 - 11,797 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit