🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.56 AU - 0.74 AU

Year: 338 Days

Day: 41.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 44 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,947,399 km

• M1: 131,945 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.7

Radius: 13.7

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.77 AU - 0.81 AU

Year: 453 Days

Day: 14.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,947,399 km

• M1: 170,542 km (0.073 R)
• M2: 655,538 km (0.069 R)
• M3: 1,290,431 km (0.098 R)
• M4: 1,870,273 km (0.086 R)
• M5: 2,360,206 km (0.1 R)
• M6: 2,871,382 km (0.056 R)
• M7: 3,407,989 km (0.051 R)
• M8: 3,916,921 km (0.12 R)
• M9: 4,837,846 km (0.102 R)
• M10: 5,585,536 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.6

Radius: 9.5

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.76 AU - 2.2 AU

Year: 1799 Days

Day: 14.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,947,399 km

• M1: 118,482 km (0.106 R)
• M2: 593,904 km (0.074 R)
• M3: 1,346,830 km (0.11 R)
• M4: 1,694,645 km (0.102 R)
• M5: 2,069,238 km (0.102 R)
• M6: 3,331,545 km (0.062 R)
• M7: 3,719,302 km (0.116 R)
• M8: 4,047,520 km (0.046 R)
• M9: 5,025,890 km (0.069 R)
• M10: 5,581,796 km (0.097 R)
• M11: 6,013,535 km (0.026 R)
• M12: 6,443,031 km (0.103 R)
• M13: 6,892,722 km (0.11 R)
• M14: 8,545,330 km (0.079 R)
• M15: 9,337,749 km (0.074 R)
• M16: 9,849,225 km (0.091 R)
• M17: 10,278,571 km (0.114 R)
• M18: 12,461,802 km (0.12 R)
• M19: 12,847,016 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.3

Radius: 11.6

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.13 AU - 4.87 AU

Year: 5165 Days

Day: 7.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,947,399 km

• M1: 148,551 km (0.048 R)
• M2: 1,006,794 km (0.066 R)
• M3: 3,589,601 km (0.073 R)
• M4: 3,995,310 km (0.119 R)
• M5: 5,118,790 km (0.092 R)
• M6: 5,754,282 km (0.103 R)
• M7: 7,430,825 km (0.09 R)
• M8: 10,056,418 km (0.082 R)
• M9: 13,837,803 km (0.045 R)
• M10: 16,438,861 km (0.058 R)
• M11: 17,565,184 km (0.083 R)
• M12: 18,608,778 km (0.081 R)
• M13: 22,664,526 km (0.075 R)
• M14: 23,587,844 km (0.069 R)
• M15: 24,455,961 km (0.068 R)
• M16: 25,182,109 km (0.118 R)
• M17: 27,533,189 km (0.106 R)
• M18: 30,026,985 km (0.105 R)
• M19: 31,802,712 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788.5

Radius: 6.9

Gravity: 16.56 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.43 AU - 10.59 AU

Year: 16029 Days

Day: 24.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,947,399 km

• M1: 85,869 km (0.093 R)
• M2: 535,112 km (0.087 R)
• M3: 868,565 km (0.103 R)
• M4: 1,121,386 km (0.11 R)
• M5: 1,514,978 km (0.112 R)
• M6: 1,779,167 km (0.118 R)
• M7: 1,997,431 km (0.094 R)
• M8: 2,274,785 km (0.105 R)
• M9: 3,538,438 km (0.093 R)
• M10: 3,916,323 km (0.109 R)
• M11: 4,162,112 km (0.116 R)
• M12: 4,752,874 km (0.113 R)
• M13: 5,323,739 km (0.035 R)
• M14: 5,820,554 km (0.074 R)
• M15: 8,420,415 km (0.036 R)
• M16: 8,883,271 km (0.104 R)
• M17: 10,029,490 km (0.052 R)
• M18: 10,667,675 km (0.073 R)
• M19: 10,906,433 km (0.119 R)
• M20: 11,833,341 km (0.101 R)
• M21: 16,463,096 km (0.055 R)
• M22: 24,576,836 km (0.061 R)
• M23: 25,309,417 km (0.119 R)
• M24: 27,149,022 km (0.087 R)
• M25: 31,092,421 km (0.065 R)
• M26: 34,483,506 km (0.096 R)
• M27: 37,560,136 km (0.076 R)
• M28: 37,974,522 km (0.072 R)
• M29: 42,436,129 km (0.064 R)
• M30: 43,036,166 km (0.104 R)
• M31: 46,121,323 km (0.054 R)
• M32: 46,437,722 km (0.071 R)
• M33: 48,041,411 km (0.11 R)
• M34: 51,189,549 km (0.098 R)
• M35: 54,120,620 km (0.101 R)
• M36: 60,882,743 km (0.113 R)
• M37: 65,757,240 km (0.054 R)
• M38: 66,359,222 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.9

Radius: 7.6

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.49 AU - 8.69 AU

Year: 16256 Days

Day: 18.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,947,399 km

• M1: 94,845 km (0.058 R)
• M2: 479,760 km (0.048 R)
• M3: 806,333 km (0.104 R)
• M4: 1,373,907 km (0.111 R)
• M5: 1,640,939 km (0.113 R)
• M6: 3,433,570 km (0.066 R)
• M7: 3,873,388 km (0.111 R)
• M8: 4,319,339 km (0.097 R)
• M9: 7,036,934 km (0.112 R)
• M10: 8,072,152 km (0.104 R)
• M11: 10,667,226 km (0.077 R)
• M12: 11,663,248 km (0.117 R)
• M13: 12,656,129 km (0.076 R)
• M14: 13,637,043 km (0.119 R)
• M15: 15,238,189 km (0.087 R)
• M16: 15,972,116 km (0.07 R)
• M17: 21,966,652 km (0.104 R)
• M18: 22,713,295 km (0.093 R)
• M19: 25,766,887 km (0.118 R)
• M20: 29,083,621 km (0.033 R)
• M21: 36,162,293 km (0.076 R)
• M22: 36,940,651 km (0.099 R)
• M23: 39,616,209 km (0.095 R)
• M24: 42,705,405 km (0.109 R)
• M25: 50,799,398 km (0.086 R)
• M26: 54,609,057 km (0.049 R)
• M27: 56,844,349 km (0.064 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 12,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit