🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.3

Radius: 12.2

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.02 AU - 1.4 AU

Year: 846 Days

Day: 13.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,497,606 km

• M1: 151,692 km (0.066 R)
• M2: 655,388 km (0.108 R)
• M3: 1,095,954 km (0.111 R)
• M4: 1,553,125 km (0.079 R)
• M5: 1,950,158 km (0.117 R)
• M6: 2,994,650 km (0.103 R)
• M7: 3,430,728 km (0.087 R)
• M8: 5,322,991 km (0.098 R)
• M9: 5,987,954 km (0.103 R)
• M10: 7,266,567 km (0.106 R)
• M11: 8,111,645 km (0.105 R)
• M12: 8,746,688 km (0.085 R)
• M13: 9,967,407 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.5

Radius: 8.3

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.14 AU - 2.96 AU

Year: 2589 Days

Day: 6.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 80.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,497,606 km

• M1: 103,223 km (0.1 R)
• M2: 605,273 km (0.097 R)
• M3: 1,618,649 km (0.068 R)
• M4: 2,002,367 km (0.098 R)
• M5: 2,542,117 km (0.045 R)
• M6: 4,237,958 km (0.075 R)
• M7: 4,993,128 km (0.114 R)
• M8: 5,426,214 km (0.078 R)
• M9: 6,238,231 km (0.037 R)
• M10: 7,128,787 km (0.101 R)
• M11: 7,443,691 km (0.028 R)
• M12: 8,862,926 km (0.057 R)
• M13: 9,430,351 km (0.042 R)
• M14: 10,381,195 km (0.104 R)
• M15: 11,628,392 km (0.087 R)
• M16: 13,057,351 km (0.091 R)
• M17: 13,660,380 km (0.054 R)
• M18: 14,875,863 km (0.099 R)
• M19: 16,309,010 km (0.031 R)
• M20: 16,856,987 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.1

Radius: 13.9

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.41 AU - 2.91 AU

Year: 2758 Days

Day: 5.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 149.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,497,606 km

• M1: 173,833 km (0.027 R)
• M2: 851,212 km (0.117 R)
• M3: 1,399,937 km (0.062 R)
• M4: 2,423,186 km (0.043 R)
• M5: 3,563,720 km (0.106 R)
• M6: 4,046,622 km (0.102 R)
• M7: 5,392,405 km (0.073 R)
• M8: 6,460,833 km (0.094 R)
• M9: 7,155,865 km (0.071 R)
• M10: 7,812,001 km (0.086 R)
• M11: 10,128,673 km (0.106 R)
• M12: 12,954,577 km (0.071 R)
• M13: 13,714,534 km (0.095 R)
• M14: 14,910,121 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.2

Radius: 11.8

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.48 AU - 3.94 AU

Year: 3657 Days

Day: 14.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,497,606 km

• M1: 147,653 km (0.097 R)
• M2: 654,191 km (0.097 R)
• M3: 1,023,549 km (0.105 R)
• M4: 1,985,014 km (0.088 R)
• M5: 2,422,139 km (0.076 R)
• M6: 2,959,495 km (0.107 R)
• M7: 4,560,491 km (0.049 R)
• M8: 4,935,084 km (0.051 R)
• M9: 5,330,172 km (0.084 R)
• M10: 5,832,372 km (0.088 R)
• M11: 6,365,988 km (0.072 R)
• M12: 7,327,902 km (0.048 R)
• M13: 7,843,865 km (0.069 R)
• M14: 8,833,904 km (0.113 R)
• M15: 9,379,188 km (0.104 R)
• M16: 11,285,364 km (0.094 R)
• M17: 12,838,489 km (0.116 R)
• M18: 14,054,570 km (0.084 R)
• M19: 14,529,843 km (0.053 R)
• M20: 15,401,250 km (0.089 R)
• M21: 16,950,486 km (0.058 R)
• M22: 18,039,558 km (0.095 R)
• M23: 19,759,635 km (0.079 R)
• M24: 21,796,410 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.9

Radius: 10.1

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.57 AU - 4.13 AU

Year: 3899 Days

Day: 9.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,497,606 km

• M1: 125,662 km (0.065 R)
• M2: 500,554 km (0.072 R)
• M3: 893,398 km (0.119 R)
• M4: 2,289,296 km (0.096 R)
• M5: 3,374,778 km (0.057 R)
• M6: 5,268,089 km (0.067 R)
• M7: 6,910,973 km (0.102 R)
• M8: 10,805,903 km (0.04 R)
• M9: 11,590,394 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.1

Radius: 3.3

Gravity: 80.45 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.2 AU - 11.5 AU

Year: 18178 Days

Day: 23 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,497,606 km

• M1: 41,887 km (0.11 R)
• M2: 329,415 km (0.113 R)
• M3: 508,034 km (0.047 R)
• M4: 768,634 km (0.075 R)
• M5: 995,873 km (0.118 R)
• M6: 1,251,237 km (0.107 R)
• M7: 2,326,247 km (0.061 R)
• M8: 2,651,173 km (0.111 R)
• M9: 5,035,464 km (0.065 R)
• M10: 5,698,033 km (0.077 R)
• M11: 6,505,114 km (0.109 R)
• M12: 6,820,616 km (0.105 R)
• M13: 7,146,440 km (0.084 R)
• M14: 9,209,694 km (0.12 R)
• M15: 10,075,865 km (0.063 R)
• M16: 12,927,949 km (0.111 R)
• M17: 16,855,491 km (0.117 R)
• M18: 18,501,068 km (0.045 R)
• M19: 19,224,972 km (0.101 R)
• M20: 27,182,083 km (0.116 R)
• M21: 29,803,037 km (0.081 R)
• M22: 34,718,075 km (0.065 R)
• M23: 44,489,958 km (0.076 R)
• M24: 52,287,448 km (0.095 R)
• M25: 52,466,516 km (0.102 R)
• M26: 55,014,467 km (0.071 R)
• M27: 58,217,807 km (0.09 R)
• M28: 64,786,799 km (0.079 R)
• M29: 70,079,721 km (0.106 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 15,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit