🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.73 AU - 0.75 AU

Year: 286 Days

Day: 46.6 Hours

Environment

Temp: -43 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.65 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.1

Radius: 8

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.25 AU - 2.87 AU

Year: 1842 Days

Day: 11.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,919,227 km

• M1: 99,483 km (0.115 R)
• M2: 460,313 km (0.116 R)
• M3: 912,697 km (0.046 R)
• M4: 1,296,266 km (0.074 R)
• M5: 2,337,168 km (0.088 R)
• M6: 3,519,589 km (0.118 R)
• M7: 4,225,691 km (0.078 R)
• M8: 5,581,796 km (0.067 R)
• M9: 8,040,437 km (0.102 R)
• M10: 8,493,569 km (0.054 R)
• M11: 8,752,672 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.2

Radius: 9.7

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.69 AU - 3.39 AU

Year: 2383 Days

Day: 9.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,919,227 km

• M1: 120,875 km (0.112 R)
• M2: 432,039 km (0.103 R)
• M3: 752,627 km (0.074 R)
• M4: 1,134,999 km (0.085 R)
• M5: 2,901,301 km (0.077 R)
• M6: 3,335,733 km (0.091 R)
• M7: 4,783,392 km (0.091 R)
• M8: 5,197,628 km (0.076 R)
• M9: 5,794,674 km (0.077 R)
• M10: 8,177,768 km (0.107 R)
• M11: 8,560,439 km (0.109 R)
• M12: 9,489,442 km (0.108 R)
• M13: 9,978,477 km (0.105 R)
• M14: 11,473,857 km (0.101 R)
• M15: 13,313,762 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.1

Radius: 12.1

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.36 AU - 3.76 AU

Year: 3020 Days

Day: 7.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,919,227 km

• M1: 151,393 km (0.117 R)
• M2: 613,052 km (0.089 R)
• M3: 1,205,310 km (0.105 R)
• M4: 1,723,367 km (0.072 R)
• M5: 2,614,372 km (0.055 R)
• M6: 3,573,145 km (0.104 R)
• M7: 6,319,463 km (0.091 R)
• M8: 9,927,016 km (0.066 R)
• M9: 11,442,292 km (0.027 R)
• M10: 11,921,305 km (0.12 R)
• M11: 13,534,718 km (0.091 R)
• M12: 15,978,100 km (0.092 R)
• M13: 19,675,262 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.3

Radius: 11.6

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.23 AU - 6.23 AU

Year: 5377 Days

Day: 13.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,919,227 km

• M1: 144,362 km (0.098 R)
• M2: 517,309 km (0.097 R)
• M3: 949,498 km (0.072 R)
• M4: 2,817,676 km (0.104 R)
• M5: 4,441,710 km (0.08 R)
• M6: 5,455,834 km (0.109 R)
• M7: 7,902,657 km (0.053 R)
• M8: 10,431,609 km (0.03 R)
• M9: 10,959,839 km (0.108 R)
• M10: 15,283,367 km (0.061 R)
• M11: 16,608,206 km (0.107 R)
• M12: 17,026,182 km (0.094 R)
• M13: 17,635,644 km (0.111 R)
• M14: 19,485,422 km (0.088 R)
• M15: 21,957,676 km (0.115 R)
• M16: 22,679,785 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.8

Radius: 12.8

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 8.78 AU - 9.16 AU

Year: 12078 Days

Day: 10.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,919,227 km

• M1: 165,605 km (0.107 R)
• M2: 660,175 km (0.076 R)
• M3: 1,209,050 km (0.119 R)
• M4: 2,020,768 km (0.12 R)
• M5: 3,819,832 km (0.117 R)
• M6: 5,487,848 km (0.108 R)
• M7: 6,891,974 km (0.091 R)
• M8: 8,977,667 km (0.091 R)
• M9: 10,837,169 km (0.067 R)
• M10: 14,701,731 km (0.066 R)
• M11: 17,549,925 km (0.102 R)
• M12: 19,044,707 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.5

Radius: 6.3

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 10.09 AU - 10.39 AU

Year: 14732 Days

Day: 19.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,919,227 km

• M1: 111,600 km (0.115 R)
• M2: 322,533 km (0.078 R)
• M3: 1,072,018 km (0.118 R)
• M4: 1,833,472 km (0.103 R)
• M5: 3,088,448 km (0.083 R)
• M6: 5,181,621 km (0.111 R)
• M7: 7,515,498 km (0.103 R)
• M8: 9,363,480 km (0.069 R)
• M9: 14,833,676 km (0.059 R)
• M10: 20,030,706 km (0.112 R)
• M11: 22,725,113 km (0.098 R)
• M12: 28,512,606 km (0.12 R)
• M13: 38,608,368 km (0.104 R)
• M14: 41,821,132 km (0.072 R)
• M15: 42,351,307 km (0.084 R)
• M16: 46,470,484 km (0.089 R)
• M17: 47,612,365 km (0.065 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: 457 - 18,916 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit