🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.3

Radius: 8.9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.62 AU - 0.84 AU

Year: 416 Days

Day: 6.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,822,786 km

• M1: 110,702 km (0.106 R)
• M2: 395,537 km (0.109 R)
• M3: 819,348 km (0.12 R)
• M4: 1,458,130 km (0.103 R)
• M5: 1,851,872 km (0.064 R)
• M6: 2,142,840 km (0.08 R)
• M7: 2,498,284 km (0.116 R)
• M8: 3,125,548 km (0.115 R)
• M9: 3,673,077 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.1

Radius: 12.1

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.87 AU - 0.95 AU

Year: 579 Days

Day: 8.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,822,786 km

• M1: 152,590 km (0.109 R)
• M2: 534,214 km (0.104 R)
• M3: 1,040,004 km (0.103 R)
• M4: 1,445,415 km (0.065 R)
• M5: 1,942,528 km (0.046 R)
• M6: 2,384,440 km (0.03 R)
• M7: 2,862,406 km (0.08 R)
• M8: 3,486,827 km (0.065 R)
• M9: 4,119,626 km (0.097 R)
• M10: 4,636,038 km (0.066 R)
• M11: 5,615,306 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.5

Radius: 13.8

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.51 AU - 2.03 AU

Year: 1570 Days

Day: 8.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,822,786 km

• M1: 171,589 km (0.11 R)
• M2: 601,832 km (0.083 R)
• M3: 1,119,890 km (0.069 R)
• M4: 1,670,260 km (0.116 R)
• M5: 2,389,527 km (0.039 R)
• M6: 2,841,312 km (0.065 R)
• M7: 3,379,266 km (0.082 R)
• M8: 3,873,837 km (0.071 R)
• M9: 6,011,441 km (0.112 R)
• M10: 6,469,958 km (0.108 R)
• M11: 7,433,219 km (0.094 R)
• M12: 8,092,198 km (0.083 R)
• M13: 8,872,949 km (0.076 R)
• M14: 9,440,224 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.2

Radius: 14.3

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.58 AU - 2.78 AU

Year: 2926 Days

Day: 11.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,822,786 km

• M1: 188,194 km (0.093 R)
• M2: 973,134 km (0.032 R)
• M3: 1,585,438 km (0.102 R)
• M4: 2,265,959 km (0.075 R)
• M5: 3,235,204 km (0.106 R)
• M6: 3,909,890 km (0.08 R)
• M7: 4,677,028 km (0.058 R)
• M8: 6,326,045 km (0.084 R)
• M9: 7,958,607 km (0.087 R)
• M10: 9,679,581 km (0.078 R)
• M11: 10,292,782 km (0.09 R)
• M12: 10,855,270 km (0.033 R)
• M13: 12,083,020 km (0.078 R)
• M14: 13,667,561 km (0.082 R)
• M15: 15,146,336 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.5

Radius: 12.7

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.61 AU - 5.45 AU

Year: 6429 Days

Day: 8.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,822,786 km

• M1: 158,125 km (0.102 R)
• M2: 747,241 km (0.12 R)
• M3: 1,149,360 km (0.095 R)
• M4: 1,627,326 km (0.063 R)
• M5: 2,028,547 km (0.112 R)
• M6: 2,775,788 km (0.094 R)
• M7: 3,194,363 km (0.111 R)
• M8: 3,925,598 km (0.117 R)
• M9: 4,456,072 km (0.091 R)
• M10: 6,309,739 km (0.12 R)
• M11: 7,109,788 km (0.102 R)
• M12: 11,236,595 km (0.097 R)
• M13: 11,814,492 km (0.094 R)
• M14: 12,513,712 km (0.102 R)
• M15: 13,187,501 km (0.113 R)
• M16: 14,104,985 km (0.068 R)
• M17: 15,180,294 km (0.096 R)
• M18: 16,187,986 km (0.092 R)
• M19: 19,003,418 km (0.117 R)
• M20: 20,385,253 km (0.115 R)
• M21: 21,391,598 km (0.084 R)
• M22: 27,269,149 km (0.092 R)
• M23: 29,657,329 km (0.113 R)
• M24: 30,855,608 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.4

Radius: 9.2

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.08 AU - 5.56 AU

Year: 8183 Days

Day: 5.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 149.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,822,786 km

• M1: 114,442 km (0.039 R)
• M2: 461,958 km (0.087 R)
• M3: 824,135 km (0.12 R)
• M4: 1,410,110 km (0.065 R)
• M5: 1,719,029 km (0.102 R)
• M6: 2,912,820 km (0.054 R)
• M7: 4,172,285 km (0.108 R)
• M8: 6,725,920 km (0.107 R)
• M9: 7,126,394 km (0.119 R)
• M10: 7,721,195 km (0.095 R)
• M11: 9,663,274 km (0.106 R)
• M12: 10,568,641 km (0.107 R)
• M13: 11,671,476 km (0.095 R)
• M14: 12,798,696 km (0.053 R)
• M15: 13,207,248 km (0.088 R)
• M16: 13,571,818 km (0.068 R)
• M17: 14,650,867 km (0.04 R)
• M18: 18,682,979 km (0.115 R)
• M19: 21,341,483 km (0.065 R)
• M20: 26,234,530 km (0.11 R)
• M21: 27,144,683 km (0.09 R)
• M22: 28,075,631 km (0.108 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: 192 - 17,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit