🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.4

Radius: 11.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.59 AU - 0.81 AU

Year: 372 Days

Day: 8.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,090,250 km

• M1: 146,756 km (0.111 R)
• M2: 649,554 km (0.091 R)
• M3: 1,039,107 km (0.109 R)
• M4: 1,578,407 km (0.041 R)
• M5: 2,383,543 km (0.037 R)
• M6: 2,851,186 km (0.114 R)
• M7: 3,241,636 km (0.092 R)
• M8: 4,269,822 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.7

Radius: 8.2

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.02 AU - 1.52 AU

Year: 910 Days

Day: 14.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,090,250 km

• M1: 102,026 km (0.104 R)
• M2: 389,403 km (0.049 R)
• M3: 676,930 km (0.086 R)
• M4: 985,850 km (0.065 R)
• M5: 1,615,956 km (0.084 R)
• M6: 2,100,055 km (0.114 R)
• M7: 2,420,942 km (0.052 R)
• M8: 2,720,288 km (0.095 R)
• M9: 3,295,192 km (0.104 R)
• M10: 3,770,764 km (0.08 R)
• M11: 4,748,236 km (0.118 R)
• M12: 5,321,495 km (0.105 R)
• M13: 5,940,232 km (0.11 R)
• M14: 6,219,681 km (0.093 R)
• M15: 6,805,058 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.7

Radius: 11

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.92 AU - 2.8 AU

Year: 2305 Days

Day: 10.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,090,250 km

• M1: 136,882 km (0.062 R)
• M2: 952,340 km (0.084 R)
• M3: 1,350,719 km (0.119 R)
• M4: 2,084,497 km (0.045 R)
• M5: 2,854,477 km (0.053 R)
• M6: 3,524,825 km (0.115 R)
• M7: 4,152,388 km (0.1 R)
• M8: 4,714,427 km (0.113 R)
• M9: 5,652,406 km (0.116 R)
• M10: 6,248,703 km (0.098 R)
• M11: 6,760,477 km (0.106 R)
• M12: 9,465,207 km (0.089 R)
• M13: 10,273,484 km (0.06 R)
• M14: 11,770,809 km (0.082 R)
• M15: 12,250,869 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.2

Radius: 9.1

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.06 AU - 3.1 AU

Year: 3437 Days

Day: 7.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 29,090,250 km

• M1: 120,576 km (0.118 R)
• M2: 562,638 km (0.1 R)
• M3: 1,163,423 km (0.094 R)
• M4: 2,036,775 km (0.116 R)
• M5: 2,349,584 km (0.105 R)
• M6: 2,678,400 km (0.118 R)
• M7: 3,073,638 km (0.1 R)
• M8: 3,448,829 km (0.092 R)
• M9: 4,246,336 km (0.086 R)
• M10: 4,545,830 km (0.09 R)
• M11: 5,059,550 km (0.116 R)
• M12: 5,450,000 km (0.114 R)
• M13: 5,748,897 km (0.051 R)
• M14: 6,590,085 km (0.082 R)
• M15: 7,281,228 km (0.101 R)
• M16: 8,371,796 km (0.079 R)
• M17: 10,370,723 km (0.045 R)
• M18: 10,704,176 km (0.06 R)
• M19: 12,810,814 km (0.066 R)
• M20: 13,736,076 km (0.107 R)
• M21: 14,497,380 km (0.095 R)
• M22: 15,073,332 km (0.119 R)
• M23: 17,065,527 km (0.097 R)
• M24: 17,826,232 km (0.1 R)
• M25: 22,943,077 km (0.117 R)
• M26: 24,014,049 km (0.047 R)
• M27: 24,378,469 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619

Radius: 13.4

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.25 AU - 3.47 AU

Year: 3916 Days

Day: 7.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,090,250 km

• M1: 166,652 km (0.109 R)
• M2: 614,847 km (0.088 R)
• M3: 1,036,115 km (0.116 R)
• M4: 1,650,663 km (0.086 R)
• M5: 2,084,796 km (0.032 R)
• M6: 3,029,955 km (0.099 R)
• M7: 3,571,350 km (0.062 R)
• M8: 4,924,164 km (0.11 R)
• M9: 5,814,121 km (0.045 R)
• M10: 6,239,578 km (0.077 R)
• M11: 6,839,465 km (0.105 R)
• M12: 7,947,836 km (0.075 R)
• M13: 11,502,431 km (0.101 R)
• M14: 13,701,519 km (0.062 R)
• M15: 17,071,361 km (0.052 R)
• M16: 17,652,848 km (0.116 R)
• M17: 18,549,837 km (0.12 R)
• M18: 21,357,190 km (0.043 R)
• M19: 23,569,145 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.6

Radius: 9.9

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.87 AU - 4.31 AU

Year: 5259 Days

Day: 10.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 114.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 29,090,250 km

• M1: 123,119 km (0.06 R)
• M2: 662,120 km (0.063 R)
• M3: 1,241,662 km (0.046 R)
• M4: 1,638,545 km (0.105 R)
• M5: 2,061,758 km (0.078 R)
• M6: 2,458,491 km (0.099 R)
• M7: 3,743,986 km (0.098 R)
• M8: 4,633,944 km (0.119 R)
• M9: 5,487,699 km (0.081 R)
• M10: 5,804,248 km (0.092 R)
• M11: 6,380,050 km (0.036 R)
• M12: 7,823,969 km (0.069 R)
• M13: 8,263,188 km (0.096 R)
• M14: 10,016,325 km (0.041 R)
• M15: 12,149,142 km (0.064 R)
• M16: 12,589,708 km (0.056 R)
• M17: 14,623,042 km (0.052 R)
• M18: 15,920,056 km (0.102 R)
• M19: 17,724,805 km (0.037 R)
• M20: 18,612,219 km (0.11 R)
• M21: 19,930,775 km (0.105 R)
• M22: 22,241,015 km (0.091 R)
• M23: 22,900,891 km (0.101 R)
• M24: 25,037,298 km (0.098 R)
• M25: 27,975,101 km (0.097 R)
• M26: 29,003,437 km (0.109 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 20,179 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit