🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.4

Radius: 13.9

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.84 AU - 1.02 AU

Year: 598 Days

Day: 8.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,214,021 km

• M1: 172,935 km (0.073 R)
• M2: 618,288 km (0.081 R)
• M3: 1,144,723 km (0.096 R)
• M4: 1,625,381 km (0.096 R)
• M5: 2,499,332 km (0.1 R)
• M6: 3,184,939 km (0.09 R)
• M7: 3,679,360 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.6

Radius: 9

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.06 AU - 1.36 AU

Year: 888 Days

Day: 8 Hours

Environment

Temp: -191 °C

Axial Tilt: 85.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,214,021 km

• M1: 111,899 km (0.108 R)
• M2: 395,836 km (0.118 R)
• M3: 775,216 km (0.09 R)
• M4: 1,167,462 km (0.114 R)
• M5: 1,463,965 km (0.079 R)
• M6: 1,930,112 km (0.092 R)
• M7: 2,224,520 km (0.045 R)
• M8: 3,082,464 km (0.063 R)
• M9: 3,530,061 km (0.072 R)
• M10: 3,897,623 km (0.11 R)
• M11: 4,323,079 km (0.086 R)
• M12: 4,832,011 km (0.086 R)
• M13: 5,230,241 km (0.091 R)
• M14: 7,001,180 km (0.044 R)
• M15: 8,122,117 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.6

Radius: 10.5

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.4 AU - 1.71 AU

Year: 1287 Days

Day: 13.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,214,021 km

• M1: 132,394 km (0.078 R)
• M2: 506,838 km (0.095 R)
• M3: 1,013,825 km (0.025 R)
• M4: 1,397,244 km (0.119 R)
• M5: 2,100,354 km (0.091 R)
• M6: 2,900,104 km (0.07 R)
• M7: 4,648,604 km (0.08 R)
• M8: 5,483,510 km (0.074 R)
• M9: 5,909,714 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.9

Radius: 11.7

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.89 AU - 4.25 AU

Year: 5475 Days

Day: 7.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,214,021 km

• M1: 145,858 km (0.075 R)
• M2: 510,428 km (0.097 R)
• M3: 1,764,357 km (0.047 R)
• M4: 2,257,881 km (0.099 R)
• M5: 3,491,016 km (0.075 R)
• M6: 4,855,498 km (0.107 R)
• M7: 6,330,832 km (0.095 R)
• M8: 11,945,240 km (0.06 R)
• M9: 13,140,079 km (0.047 R)
• M10: 18,668,468 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.3

Radius: 4.1

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 9.61 AU - 10.81 AU

Year: 21755 Days

Day: 22.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 123.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,214,021 km

• M1: 54,603 km (0.095 R)
• M2: 412,890 km (0.09 R)
• M3: 1,497,026 km (0.079 R)
• M4: 2,575,776 km (0.082 R)
• M5: 2,805,708 km (0.113 R)
• M6: 4,760,204 km (0.11 R)
• M7: 4,902,621 km (0.095 R)
• M8: 7,319,973 km (0.096 R)
• M9: 7,820,677 km (0.05 R)
• M10: 9,193,687 km (0.063 R)
• M11: 9,960,226 km (0.114 R)
• M12: 12,622,620 km (0.047 R)
• M13: 12,840,883 km (0.104 R)
• M14: 13,912,452 km (0.048 R)
• M15: 15,287,706 km (0.119 R)
• M16: 15,849,595 km (0.112 R)
• M17: 16,425,248 km (0.062 R)
• M18: 21,232,276 km (0.058 R)
• M19: 25,224,744 km (0.037 R)
• M20: 28,457,704 km (0.113 R)
• M21: 30,270,232 km (0.106 R)
• M22: 31,754,691 km (0.108 R)
• M23: 32,057,178 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.3

Radius: 5

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.88 AU - 12.06 AU

Year: 22592 Days

Day: 16.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,214,021 km

• M1: 62,532 km (0.063 R)
• M2: 256,261 km (0.104 R)
• M3: 481,705 km (0.115 R)
• M4: 746,793 km (0.078 R)
• M5: 1,071,420 km (0.063 R)
• M6: 1,981,573 km (0.082 R)
• M7: 2,664,787 km (0.051 R)
• M8: 3,271,855 km (0.117 R)
• M9: 4,392,792 km (0.088 R)
• M10: 6,331,131 km (0.066 R)
• M11: 7,360,814 km (0.074 R)
• M12: 8,003,187 km (0.049 R)
• M13: 10,467,363 km (0.11 R)
• M14: 10,679,792 km (0.094 R)
• M15: 13,582,439 km (0.115 R)
• M16: 14,546,299 km (0.07 R)
• M17: 15,901,206 km (0.095 R)
• M18: 18,240,618 km (0.077 R)
• M19: 21,990,887 km (0.09 R)
• M20: 22,603,191 km (0.063 R)
• M21: 25,356,689 km (0.119 R)
• M22: 27,111,772 km (0.111 R)
• M23: 27,411,865 km (0.049 R)
• M24: 42,520,203 km (0.083 R)
• M25: 45,834,394 km (0.111 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 12,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit