🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 14.5

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.9 AU - 0.94 AU

Year: 561 Days

Day: 6.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,350,542 km

• M1: 180,714 km (0.069 R)
• M2: 739,163 km (0.097 R)
• M3: 1,207,404 km (0.085 R)
• M4: 1,794,127 km (0.081 R)
• M5: 2,431,265 km (0.111 R)
• M6: 3,398,265 km (0.12 R)
• M7: 3,856,633 km (0.118 R)
• M8: 4,960,067 km (0.088 R)
• M9: 5,424,718 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.1

Radius: 9

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.23 AU - 1.65 AU

Year: 1099 Days

Day: 7.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,350,542 km

• M1: 112,049 km (0.092 R)
• M2: 596,148 km (0.054 R)
• M3: 1,287,888 km (0.119 R)
• M4: 1,597,107 km (0.102 R)
• M5: 1,966,913 km (0.086 R)
• M6: 2,322,208 km (0.079 R)
• M7: 2,922,095 km (0.083 R)
• M8: 3,402,604 km (0.095 R)
• M9: 3,850,649 km (0.108 R)
• M10: 4,577,545 km (0.087 R)
• M11: 4,865,372 km (0.055 R)
• M12: 5,520,161 km (0.054 R)
• M13: 5,913,604 km (0.094 R)
• M14: 6,659,349 km (0.097 R)
• M15: 6,979,788 km (0.101 R)
• M16: 7,284,519 km (0.082 R)
• M17: 9,957,982 km (0.109 R)
• M18: 11,672,224 km (0.103 R)
• M19: 12,395,231 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.4

Radius: 14.3

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.91 AU - 2.57 AU

Year: 2132 Days

Day: 13.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,350,542 km

• M1: 179,966 km (0.045 R)
• M2: 720,912 km (0.116 R)
• M3: 1,176,288 km (0.073 R)
• M4: 1,633,310 km (0.119 R)
• M5: 2,137,155 km (0.1 R)
• M6: 2,880,657 km (0.069 R)
• M7: 4,977,121 km (0.046 R)
• M8: 6,369,877 km (0.052 R)
• M9: 8,483,845 km (0.098 R)
• M10: 10,992,751 km (0.091 R)
• M11: 11,500,785 km (0.076 R)
• M12: 12,188,935 km (0.029 R)
• M13: 14,419,290 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.5

Radius: 11

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.29 AU - 4.95 AU

Year: 5317 Days

Day: 10.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,350,542 km

• M1: 137,032 km (0.112 R)
• M2: 653,144 km (0.038 R)
• M3: 1,098,048 km (0.077 R)
• M4: 1,642,285 km (0.11 R)
• M5: 2,140,446 km (0.102 R)
• M6: 3,277,540 km (0.113 R)
• M7: 4,595,647 km (0.045 R)
• M8: 6,629,729 km (0.087 R)
• M9: 8,014,257 km (0.071 R)
• M10: 10,644,636 km (0.113 R)
• M11: 11,109,587 km (0.117 R)
• M12: 17,539,752 km (0.055 R)
• M13: 18,320,802 km (0.079 R)
• M14: 23,580,664 km (0.105 R)
• M15: 29,312,955 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.8

Radius: 14.3

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.04 AU - 6.34 AU

Year: 7518 Days

Day: 8.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,350,542 km

• M1: 179,667 km (0.094 R)
• M2: 789,278 km (0.041 R)
• M3: 1,234,482 km (0.08 R)
• M4: 1,802,056 km (0.07 R)
• M5: 2,442,484 km (0.039 R)
• M6: 3,632,984 km (0.072 R)
• M7: 4,187,244 km (0.07 R)
• M8: 5,097,398 km (0.113 R)
• M9: 6,072,776 km (0.053 R)
• M10: 8,199,758 km (0.085 R)
• M11: 8,831,809 km (0.05 R)
• M12: 9,928,063 km (0.065 R)
• M13: 11,496,447 km (0.076 R)
• M14: 12,699,214 km (0.082 R)
• M15: 13,764,350 km (0.095 R)
• M16: 16,938,069 km (0.104 R)
• M17: 18,030,732 km (0.108 R)
• M18: 18,830,034 km (0.104 R)
• M19: 19,862,259 km (0.118 R)
• M20: 22,190,002 km (0.056 R)
• M21: 23,341,606 km (0.106 R)
• M22: 23,971,862 km (0.087 R)
• M23: 26,692,598 km (0.094 R)
• M24: 28,886,451 km (0.107 R)
• M25: 30,914,400 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.9

Radius: 10.2

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5 AU - 5.76 AU

Year: 7934 Days

Day: 7.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,350,542 km

• M1: 126,859 km (0.077 R)
• M2: 457,620 km (0.075 R)
• M3: 1,258,417 km (0.113 R)
• M4: 1,782,010 km (0.072 R)
• M5: 2,719,540 km (0.09 R)
• M6: 3,957,462 km (0.102 R)
• M7: 4,386,210 km (0.088 R)
• M8: 6,199,336 km (0.08 R)
• M9: 6,879,408 km (0.112 R)
• M10: 7,290,054 km (0.078 R)
• M11: 7,644,601 km (0.104 R)
• M12: 7,973,417 km (0.099 R)
• M13: 8,504,041 km (0.104 R)
• M14: 11,612,834 km (0.074 R)
• M15: 12,494,713 km (0.104 R)
• M16: 13,003,645 km (0.116 R)
• M17: 15,236,094 km (0.074 R)
• M18: 15,817,132 km (0.073 R)
• M19: 17,522,997 km (0.048 R)
• M20: 19,618,863 km (0.111 R)
• M21: 21,657,882 km (0.104 R)
• M22: 25,498,957 km (0.086 R)
• M23: 26,650,861 km (0.072 R)
• M24: 29,324,324 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.1

Radius: 6.8

Gravity: 17.74 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 7.03 AU - 9.83 AU

Year: 15562 Days

Day: 17.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 149.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,350,542 km

• M1: 86,468 km (0.07 R)
• M2: 338,839 km (0.105 R)
• M3: 567,724 km (0.092 R)
• M4: 782,098 km (0.035 R)
• M5: 1,243,308 km (0.059 R)
• M6: 1,583,194 km (0.085 R)
• M7: 2,342,553 km (0.108 R)
• M8: 2,582,658 km (0.095 R)
• M9: 2,961,589 km (0.084 R)
• M10: 3,570,602 km (0.107 R)
• M11: 5,820,853 km (0.098 R)
• M12: 6,472,651 km (0.082 R)
• M13: 7,172,171 km (0.084 R)
• M14: 7,400,756 km (0.103 R)
• M15: 7,872,588 km (0.059 R)
• M16: 8,669,047 km (0.104 R)
• M17: 9,300,799 km (0.089 R)
• M18: 12,397,176 km (0.062 R)
• M19: 14,903,837 km (0.088 R)
• M20: 15,886,396 km (0.037 R)
• M21: 16,354,189 km (0.053 R)
• M22: 17,980,018 km (0.049 R)
• M23: 19,092,877 km (0.109 R)
• M24: 23,100,754 km (0.027 R)
• M25: 30,051,669 km (0.1 R)
• M26: 30,408,011 km (0.075 R)
• M27: 32,107,892 km (0.108 R)
• M28: 35,962,281 km (0.11 R)
• M29: 38,977,276 km (0.06 R)
• M30: 40,690,770 km (0.064 R)
• M31: 46,447,446 km (0.054 R)
• M32: 49,354,432 km (0.054 R)
• M33: 55,527,887 km (0.06 R)
• M34: 58,245,183 km (0.094 R)
• M35: 61,621,457 km (0.066 R)
• M36: 62,004,428 km (0.106 R)
• M37: 65,722,683 km (0.074 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: 251 - 16,443 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit