🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.3

Radius: 15

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.41 AU - 0.63 AU

Year: 264 Days

Day: 13.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,743,574 km

• M1: 187,147 km (0.114 R)
• M2: 756,367 km (0.075 R)
• M3: 1,250,788 km (0.103 R)
• M4: 1,858,006 km (0.114 R)
• M5: 2,520,575 km (0.118 R)
• M6: 3,106,699 km (0.065 R)
• M7: 3,719,153 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.3

Radius: 8.7

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.47 AU - 0.57 AU

Year: 264 Days

Day: 6.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,743,574 km

• M1: 108,458 km (0.112 R)
• M2: 396,285 km (0.12 R)
• M3: 716,873 km (0.102 R)
• M4: 993,031 km (0.099 R)
• M5: 1,274,873 km (0.091 R)
• M6: 2,138,502 km (0.096 R)
• M7: 2,421,541 km (0.052 R)
• M8: 3,125,548 km (0.029 R)
• M9: 3,414,272 km (0.119 R)
• M10: 3,850,948 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.1

Radius: 13

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.34 AU - 1.56 AU

Year: 1227 Days

Day: 11.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,743,574 km

• M1: 161,715 km (0.101 R)
• M2: 705,952 km (0.102 R)
• M3: 1,612,665 km (0.113 R)
• M4: 2,618,711 km (0.117 R)
• M5: 3,759,843 km (0.105 R)
• M6: 4,389,501 km (0.091 R)
• M7: 4,815,705 km (0.078 R)
• M8: 5,413,349 km (0.04 R)
• M9: 7,176,808 km (0.104 R)
• M10: 7,958,457 km (0.112 R)
• M11: 9,147,311 km (0.075 R)
• M12: 9,630,213 km (0.09 R)
• M13: 11,525,319 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.3

Radius: 10.3

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.73 AU - 3.29 AU

Year: 3671 Days

Day: 5.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,743,574 km

• M1: 129,851 km (0.034 R)
• M2: 622,327 km (0.063 R)
• M3: 1,180,926 km (0.106 R)
• M4: 1,901,539 km (0.032 R)
• M5: 2,237,835 km (0.113 R)
• M6: 2,878,113 km (0.09 R)
• M7: 3,672,179 km (0.111 R)
• M8: 4,258,603 km (0.088 R)
• M9: 5,335,109 km (0.112 R)
• M10: 5,691,002 km (0.106 R)
• M11: 6,664,585 km (0.111 R)
• M12: 7,567,558 km (0.052 R)
• M13: 9,409,407 km (0.061 R)
• M14: 9,754,828 km (0.101 R)
• M15: 11,650,383 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632

Radius: 9.7

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.04 AU - 5.76 AU

Year: 8821 Days

Day: 12.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,743,574 km

• M1: 122,072 km (0.045 R)
• M2: 463,005 km (0.062 R)
• M3: 962,961 km (0.101 R)
• M4: 1,509,891 km (0.072 R)
• M5: 2,003,115 km (0.114 R)
• M6: 4,205,346 km (0.098 R)
• M7: 4,943,013 km (0.111 R)
• M8: 5,280,057 km (0.069 R)
• M9: 6,349,083 km (0.093 R)
• M10: 6,822,411 km (0.099 R)
• M11: 9,000,107 km (0.047 R)
• M12: 9,739,569 km (0.096 R)
• M13: 12,424,702 km (0.113 R)
• M14: 19,131,174 km (0.109 R)
• M15: 19,583,109 km (0.058 R)
• M16: 23,203,677 km (0.108 R)
• M17: 25,577,646 km (0.104 R)
• M18: 27,152,762 km (0.084 R)
• M19: 27,916,010 km (0.114 R)
• M20: 29,886,663 km (0.091 R)
• M21: 33,446,643 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.8

Radius: 6.3

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.34 AU - 6.9 AU

Year: 11973 Days

Day: 17.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,743,574 km

• M1: 78,539 km (0.114 R)
• M2: 316,549 km (0.089 R)
• M3: 522,396 km (0.064 R)
• M4: 1,491,042 km (0.109 R)
• M5: 2,578,768 km (0.093 R)
• M6: 3,674,722 km (0.095 R)
• M7: 6,708,118 km (0.086 R)
• M8: 7,732,714 km (0.042 R)
• M9: 10,043,851 km (0.076 R)
• M10: 10,446,569 km (0.065 R)
• M11: 17,916,439 km (0.109 R)
• M12: 23,647,833 km (0.079 R)
• M13: 24,762,487 km (0.105 R)
• M14: 26,078,649 km (0.06 R)
• M15: 28,582,020 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.8

Radius: 3.5

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.66 AU - 10.1 AU

Year: 17052 Days

Day: 18.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,743,574 km

• M1: 43,533 km (0.112 R)
• M2: 276,606 km (0.106 R)
• M3: 497,413 km (0.104 R)
• M4: 873,951 km (0.107 R)
• M5: 1,852,919 km (0.068 R)
• M6: 2,231,252 km (0.088 R)
• M7: 2,676,306 km (0.107 R)
• M8: 3,461,545 km (0.038 R)
• M9: 3,717,806 km (0.098 R)
• M10: 5,614,408 km (0.062 R)
• M11: 6,525,908 km (0.084 R)
• M12: 10,935,305 km (0.113 R)
• M13: 13,095,050 km (0.115 R)
• M14: 16,513,211 km (0.096 R)
• M15: 16,632,441 km (0.086 R)
• M16: 18,618,652 km (0.117 R)
• M17: 18,812,531 km (0.093 R)
• M18: 19,138,804 km (0.07 R)
• M19: 24,110,240 km (0.119 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: 335 - 19,717 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit