🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.2

Radius: 12.9

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.88 AU - 1.24 AU

Year: 694 Days

Day: 12.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,824,079 km

• M1: 160,519 km (0.068 R)
• M2: 603,927 km (0.038 R)
• M3: 1,036,115 km (0.03 R)
• M4: 1,726,808 km (0.119 R)
• M5: 4,047,819 km (0.067 R)
• M6: 4,450,237 km (0.07 R)
• M7: 5,211,541 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.5

Radius: 10.3

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.02 AU - 1.44 AU

Year: 867 Days

Day: 12.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,824,079 km

• M1: 128,056 km (0.078 R)
• M2: 455,077 km (0.118 R)
• M3: 787,483 km (0.063 R)
• M4: 1,306,737 km (0.096 R)
• M5: 1,974,991 km (0.118 R)
• M6: 2,743,625 km (0.057 R)
• M7: 3,080,968 km (0.073 R)
• M8: 4,315,450 km (0.094 R)
• M9: 5,344,384 km (0.104 R)
• M10: 6,023,109 km (0.117 R)
• M11: 6,921,594 km (0.113 R)
• M12: 7,702,944 km (0.094 R)
• M13: 8,326,617 km (0.05 R)
• M14: 8,871,752 km (0.03 R)
• M15: 10,003,310 km (0.05 R)
• M16: 10,463,324 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.8

Radius: 13.7

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.55 AU - 1.99 AU

Year: 1497 Days

Day: 10 Hours

Environment

Temp: -183 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,824,079 km

• M1: 170,392 km (0.092 R)
• M2: 879,635 km (0.099 R)
• M3: 1,335,909 km (0.079 R)
• M4: 1,831,228 km (0.09 R)
• M5: 2,512,945 km (0.084 R)
• M6: 3,043,269 km (0.086 R)
• M7: 3,798,888 km (0.109 R)
• M8: 4,579,191 km (0.116 R)
• M9: 5,730,496 km (0.111 R)
• M10: 6,533,837 km (0.034 R)
• M11: 6,988,764 km (0.075 R)
• M12: 7,546,465 km (0.053 R)
• M13: 8,781,395 km (0.072 R)
• M14: 9,336,702 km (0.099 R)
• M15: 10,213,795 km (0.066 R)
• M16: 12,321,329 km (0.092 R)
• M17: 12,900,423 km (0.111 R)
• M18: 13,619,390 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.9

Radius: 10.5

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.99 AU - 2.09 AU

Year: 1853 Days

Day: 6.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,824,079 km

• M1: 130,599 km (0.116 R)
• M2: 465,249 km (0.089 R)
• M3: 829,819 km (0.086 R)
• M4: 1,272,479 km (0.055 R)
• M5: 1,629,420 km (0.059 R)
• M6: 2,089,583 km (0.062 R)
• M7: 2,497,237 km (0.116 R)
• M8: 2,973,108 km (0.119 R)
• M9: 3,882,514 km (0.107 R)
• M10: 4,422,263 km (0.088 R)
• M11: 6,017,724 km (0.106 R)
• M12: 7,014,495 km (0.11 R)
• M13: 7,494,554 km (0.1 R)
• M14: 8,615,641 km (0.114 R)
• M15: 12,041,881 km (0.113 R)
• M16: 15,850,044 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.6

Radius: 9.3

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.93 AU - 2.23 AU

Year: 1907 Days

Day: 7.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,824,079 km

• M1: 115,639 km (0.11 R)
• M2: 641,625 km (0.064 R)
• M3: 933,341 km (0.111 R)
• M4: 1,224,309 km (0.1 R)
• M5: 2,367,386 km (0.11 R)
• M6: 3,068,103 km (0.073 R)
• M7: 3,521,235 km (0.067 R)
• M8: 3,857,381 km (0.097 R)
• M9: 4,245,737 km (0.101 R)
• M10: 4,928,352 km (0.098 R)
• M11: 6,976,198 km (0.117 R)
• M12: 7,531,505 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.1

Radius: 10.3

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.15 AU - 3.31 AU

Year: 2868 Days

Day: 8.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,824,079 km

• M1: 128,056 km (0.049 R)
• M2: 465,249 km (0.12 R)
• M3: 894,745 km (0.111 R)
• M4: 1,546,244 km (0.112 R)
• M5: 1,990,549 km (0.12 R)
• M6: 2,403,589 km (0.11 R)
• M7: 3,878,774 km (0.052 R)
• M8: 4,418,672 km (0.098 R)
• M9: 7,775,948 km (0.035 R)
• M10: 8,635,986 km (0.111 R)
• M11: 10,623,394 km (0.085 R)
• M12: 13,491,185 km (0.034 R)
• M13: 16,307,365 km (0.116 R)
• M14: 16,785,330 km (0.086 R)
• M15: 20,092,640 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.2

Radius: 13.3

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.41 AU - 3.87 AU

Year: 3538 Days

Day: 8.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,824,079 km

• M1: 175,329 km (0.067 R)
• M2: 684,261 km (0.09 R)
• M3: 1,260,063 km (0.098 R)
• M4: 1,820,905 km (0.099 R)
• M5: 2,610,932 km (0.096 R)
• M6: 3,913,779 km (0.081 R)
• M7: 4,797,155 km (0.106 R)
• M8: 6,246,160 km (0.098 R)
• M9: 7,656,868 km (0.095 R)
• M10: 8,885,066 km (0.034 R)
• M11: 9,506,645 km (0.119 R)
• M12: 11,729,819 km (0.076 R)
• M13: 13,610,863 km (0.096 R)
• M14: 15,797,386 km (0.116 R)
• M15: 17,181,016 km (0.105 R)
• M16: 17,841,640 km (0.113 R)
• M17: 19,085,996 km (0.098 R)
• M18: 20,254,654 km (0.083 R)
• M19: 25,026,677 km (0.028 R)
• M20: 26,268,189 km (0.062 R)
• M21: 26,744,210 km (0.092 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 14,594 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit