🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.9

Radius: 10.6

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.35 AU - 1.51 AU

Year: 1180 Days

Day: 9 Hours

Environment

Temp: -184 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,714,647 km

• M1: 131,796 km (0.097 R)
• M2: 506,090 km (0.069 R)
• M3: 853,456 km (0.077 R)
• M4: 1,187,358 km (0.116 R)
• M5: 1,628,074 km (0.102 R)
• M6: 2,021,666 km (0.04 R)
• M7: 2,432,162 km (0.026 R)
• M8: 3,209,024 km (0.09 R)
• M9: 3,556,989 km (0.104 R)
• M10: 3,962,698 km (0.068 R)
• M11: 4,575,451 km (0.086 R)
• M12: 5,715,387 km (0.108 R)
• M13: 6,363,145 km (0.09 R)
• M14: 7,204,334 km (0.113 R)
• M15: 8,713,478 km (0.082 R)
• M16: 9,454,286 km (0.107 R)
• M17: 10,113,564 km (0.096 R)
• M18: 10,548,744 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.6

Radius: 13.1

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.94 AU - 2.9 AU

Year: 2599 Days

Day: 5.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,714,647 km

• M1: 226,192 km (0.078 R)
• M2: 655,089 km (0.067 R)
• M3: 1,903,783 km (0.105 R)
• M4: 2,373,221 km (0.112 R)
• M5: 3,533,651 km (0.097 R)
• M6: 5,064,038 km (0.098 R)
• M7: 5,508,044 km (0.034 R)
• M8: 9,320,396 km (0.043 R)
• M9: 10,513,589 km (0.052 R)
• M10: 12,751,573 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.8

Radius: 14.7

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.19 AU - 5.31 AU

Year: 8303 Days

Day: 9.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,714,647 km

• M1: 182,809 km (0.069 R)
• M2: 730,486 km (0.036 R)
• M3: 1,206,507 km (0.074 R)
• M4: 1,854,864 km (0.108 R)
• M5: 2,712,060 km (0.099 R)
• M6: 4,823,484 km (0.119 R)
• M7: 6,097,460 km (0.089 R)
• M8: 7,828,008 km (0.109 R)
• M9: 9,582,791 km (0.105 R)
• M10: 11,217,746 km (0.079 R)
• M11: 15,226,969 km (0.095 R)
• M12: 16,143,854 km (0.048 R)
• M13: 17,446,552 km (0.106 R)
• M14: 18,232,240 km (0.118 R)
• M15: 20,105,804 km (0.031 R)
• M16: 20,731,572 km (0.094 R)
• M17: 23,970,665 km (0.114 R)
• M18: 25,121,372 km (0.1 R)
• M19: 26,401,631 km (0.111 R)
• M20: 29,290,964 km (0.107 R)
• M21: 31,539,569 km (0.114 R)
• M22: 32,066,304 km (0.105 R)
• M23: 32,813,545 km (0.092 R)
• M24: 39,580,754 km (0.088 R)
• M25: 43,224,958 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525

Radius: 7.7

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 6.72 AU - 8.76 AU

Year: 14864 Days

Day: 24.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,714,647 km

• M1: 137,331 km (0.097 R)
• M2: 474,674 km (0.114 R)
• M3: 1,063,940 km (0.115 R)
• M4: 2,377,260 km (0.034 R)
• M5: 3,127,643 km (0.06 R)
• M6: 3,584,215 km (0.1 R)
• M7: 4,987,443 km (0.092 R)
• M8: 6,247,057 km (0.089 R)
• M9: 7,661,505 km (0.034 R)
• M10: 11,397,563 km (0.102 R)
• M11: 12,049,510 km (0.071 R)
• M12: 19,325,352 km (0.098 R)
• M13: 21,740,759 km (0.051 R)
• M14: 22,010,933 km (0.091 R)
• M15: 26,542,103 km (0.081 R)
• M16: 28,753,608 km (0.04 R)
• M17: 29,627,559 km (0.075 R)
• M18: 34,752,932 km (0.071 R)
• M19: 41,813,203 km (0.115 R)
• M20: 43,645,029 km (0.108 R)
• M21: 44,075,273 km (0.11 R)
• M22: 47,923,229 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624

Radius: 7

Gravity: 12.73 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 8.08 AU - 10.52 AU

Year: 19577 Days

Day: 22.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,714,647 km

• M1: 87,066 km (0.077 R)
• M2: 395,836 km (0.119 R)
• M3: 779,106 km (0.087 R)
• M4: 1,029,533 km (0.082 R)
• M5: 1,423,424 km (0.094 R)
• M6: 1,858,305 km (0.091 R)
• M7: 2,720,886 km (0.117 R)
• M8: 3,069,449 km (0.088 R)
• M9: 4,840,538 km (0.101 R)
• M10: 5,277,962 km (0.108 R)
• M11: 6,444,078 km (0.08 R)
• M12: 6,793,838 km (0.086 R)
• M13: 7,389,387 km (0.066 R)
• M14: 7,969,378 km (0.042 R)
• M15: 8,372,694 km (0.092 R)
• M16: 9,003,099 km (0.117 R)
• M17: 9,778,016 km (0.113 R)
• M18: 10,299,065 km (0.093 R)
• M19: 11,459,795 km (0.098 R)
• M20: 11,715,009 km (0.087 R)
• M21: 12,978,812 km (0.066 R)
• M22: 16,491,220 km (0.115 R)
• M23: 20,872,493 km (0.109 R)
• M24: 21,638,584 km (0.094 R)
• M25: 23,024,459 km (0.074 R)
• M26: 25,862,181 km (0.114 R)
• M27: 29,160,963 km (0.049 R)
• M28: 39,258,969 km (0.118 R)
• M29: 41,165,893 km (0.083 R)
• M30: 42,217,865 km (0.05 R)
• M31: 47,747,751 km (0.034 R)
• M32: 50,258,751 km (0.091 R)
• M33: 68,443,569 km (0.065 R)
• M34: 72,279,707 km (0.117 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 18,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit