🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.4

Radius: 12.9

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.64 AU - 1.04 AU

Year: 522 Days

Day: 12.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,493,383 km

• M1: 160,369 km (0.091 R)
• M2: 584,628 km (0.099 R)
• M3: 1,267,692 km (0.11 R)
• M4: 1,830,031 km (0.045 R)
• M5: 2,306,949 km (0.105 R)
• M6: 2,729,264 km (0.08 R)
• M7: 3,215,307 km (0.07 R)
• M8: 3,617,426 km (0.083 R)
• M9: 4,436,474 km (0.081 R)
• M10: 6,036,124 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.5

Radius: 14.6

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.68 AU - 1.06 AU

Year: 550 Days

Day: 7.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,493,383 km

• M1: 181,612 km (0.078 R)
• M2: 659,876 km (0.078 R)
• M3: 1,195,885 km (0.109 R)
• M4: 1,841,251 km (0.112 R)
• M5: 2,442,634 km (0.061 R)
• M6: 3,453,018 km (0.032 R)
• M7: 4,129,350 km (0.084 R)
• M8: 4,682,413 km (0.071 R)
• M9: 5,431,001 km (0.09 R)
• M10: 6,079,508 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.5

Radius: 12.8

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.35 AU - 1.97 AU

Year: 1451 Days

Day: 11.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 176.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,493,383 km

• M1: 159,471 km (0.12 R)
• M2: 560,693 km (0.077 R)
• M3: 1,067,530 km (0.1 R)
• M4: 1,904,381 km (0.108 R)
• M5: 2,405,683 km (0.108 R)
• M6: 2,980,438 km (0.081 R)
• M7: 3,482,638 km (0.101 R)
• M8: 4,580,687 km (0.088 R)
• M9: 5,469,597 km (0.103 R)
• M10: 6,872,227 km (0.038 R)
• M11: 7,810,804 km (0.082 R)
• M12: 8,238,504 km (0.102 R)
• M13: 9,360,788 km (0.095 R)
• M14: 10,074,968 km (0.109 R)
• M15: 10,582,553 km (0.059 R)
• M16: 11,214,006 km (0.04 R)
• M17: 11,833,491 km (0.11 R)
• M18: 12,942,759 km (0.109 R)
• M19: 13,995,180 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.2

Radius: 9.8

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.51 AU - 2.41 AU

Year: 1861 Days

Day: 7.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,493,383 km

• M1: 122,969 km (0.038 R)
• M2: 496,665 km (0.12 R)
• M3: 900,729 km (0.111 R)
• M4: 1,333,366 km (0.112 R)
• M5: 1,652,009 km (0.072 R)
• M6: 2,042,310 km (0.106 R)
• M7: 2,565,603 km (0.096 R)
• M8: 3,038,632 km (0.086 R)
• M9: 6,375,562 km (0.119 R)
• M10: 8,088,308 km (0.085 R)
• M11: 8,965,550 km (0.087 R)
• M12: 10,211,700 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.3

Radius: 13.4

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.89 AU - 2.03 AU

Year: 1861 Days

Day: 8.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,493,383 km

• M1: 167,250 km (0.117 R)
• M2: 589,565 km (0.09 R)
• M3: 1,213,688 km (0.11 R)
• M4: 1,810,433 km (0.037 R)
• M5: 2,644,741 km (0.065 R)
• M6: 3,945,494 km (0.084 R)
• M7: 4,966,649 km (0.087 R)
• M8: 5,444,465 km (0.089 R)
• M9: 6,013,685 km (0.073 R)
• M10: 6,450,361 km (0.104 R)
• M11: 9,043,042 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.5

Radius: 3.1

Gravity: 44.38 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.1 AU - 7.56 AU

Year: 12107 Days

Day: 16.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,493,383 km

• M1: 51,910 km (0.115 R)
• M2: 243,396 km (0.048 R)
• M3: 372,499 km (0.049 R)
• M4: 560,693 km (0.034 R)
• M5: 755,768 km (0.111 R)
• M6: 1,231,190 km (0.079 R)
• M7: 1,738,477 km (0.054 R)
• M8: 2,081,954 km (0.113 R)
• M9: 2,205,970 km (0.1 R)
• M10: 2,607,790 km (0.115 R)
• M11: 3,554,595 km (0.063 R)
• M12: 3,809,809 km (0.098 R)
• M13: 4,414,484 km (0.071 R)
• M14: 6,383,790 km (0.105 R)
• M15: 8,916,183 km (0.104 R)
• M16: 9,291,225 km (0.081 R)
• M17: 9,579,350 km (0.034 R)
• M18: 10,531,092 km (0.111 R)
• M19: 14,452,949 km (0.108 R)
• M20: 15,836,431 km (0.041 R)
• M21: 15,972,565 km (0.087 R)
• M22: 16,595,041 km (0.105 R)
• M23: 19,872,731 km (0.091 R)
• M24: 20,511,663 km (0.11 R)
• M25: 21,329,515 km (0.095 R)
• M26: 25,094,145 km (0.099 R)
• M27: 26,600,895 km (0.092 R)
• M28: 27,572,533 km (0.116 R)
• M29: 31,696,198 km (0.105 R)
• M30: 43,361,092 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 17,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit