🌌 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 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.8

Radius: 9.9

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.61 AU - 0.71 AU

Year: 358 Days

Day: 5.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,073,618 km

• M1: 123,269 km (0.033 R)
• M2: 499,956 km (0.118 R)
• M3: 1,044,941 km (0.059 R)
• M4: 1,361,939 km (0.053 R)
• M5: 1,744,311 km (0.093 R)
• M6: 2,140,297 km (0.095 R)
• M7: 3,289,358 km (0.051 R)
• M8: 3,739,947 km (0.095 R)
• M9: 4,205,196 km (0.113 R)
• M10: 4,652,344 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.9

Radius: 8

Gravity: 14.58 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.12 AU - 1.42 AU

Year: 954 Days

Day: 14.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,073,618 km

• M1: 99,483 km (0.065 R)
• M2: 473,477 km (0.117 R)
• M3: 736,919 km (0.081 R)
• M4: 998,416 km (0.103 R)
• M5: 1,263,204 km (0.072 R)
• M6: 1,515,726 km (0.116 R)
• M7: 2,245,015 km (0.036 R)
• M8: 2,546,754 km (0.057 R)
• M9: 2,810,046 km (0.035 R)
• M10: 3,362,661 km (0.102 R)
• M11: 3,618,623 km (0.077 R)
• M12: 3,887,600 km (0.102 R)
• M13: 4,221,054 km (0.096 R)
• M14: 4,683,311 km (0.12 R)
• M15: 4,965,004 km (0.071 R)
• M16: 5,500,714 km (0.067 R)
• M17: 6,972,757 km (0.094 R)
• M18: 9,920,134 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.1

Radius: 14.9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.74 AU - 2.36 AU

Year: 1957 Days

Day: 12.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,073,618 km

• M1: 187,147 km (0.074 R)
• M2: 839,693 km (0.053 R)
• M3: 1,420,731 km (0.101 R)
• M4: 2,094,669 km (0.089 R)
• M5: 3,061,670 km (0.05 R)
• M6: 4,115,288 km (0.095 R)
• M7: 4,756,016 km (0.095 R)
• M8: 5,547,687 km (0.098 R)
• M9: 6,521,270 km (0.116 R)
• M10: 7,984,188 km (0.088 R)
• M11: 8,661,866 km (0.117 R)
• M12: 9,439,326 km (0.079 R)
• M13: 10,459,584 km (0.113 R)
• M14: 11,202,786 km (0.068 R)
• M15: 11,801,028 km (0.119 R)
• M16: 12,569,512 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.2

Radius: 9.5

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.3 AU - 3.58 AU

Year: 3362 Days

Day: 9.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,073,618 km

• M1: 118,182 km (0.119 R)
• M2: 669,750 km (0.107 R)
• M3: 971,339 km (0.089 R)
• M4: 1,912,310 km (0.097 R)
• M5: 2,781,772 km (0.116 R)
• M6: 3,697,012 km (0.084 R)
• M7: 4,843,231 km (0.107 R)
• M8: 5,326,283 km (0.071 R)
• M9: 7,820,827 km (0.091 R)
• M10: 10,495,487 km (0.077 R)
• M11: 11,457,402 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.8

Radius: 4.4

Gravity: 13.32 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.78 AU - 6.96 AU

Year: 9484 Days

Day: 19 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,073,618 km

• M1: 61,934 km (0.112 R)
• M2: 509,979 km (0.1 R)
• M3: 725,849 km (0.089 R)
• M4: 1,610,720 km (0.088 R)
• M5: 2,490,505 km (0.107 R)
• M6: 2,915,064 km (0.105 R)
• M7: 3,812,651 km (0.072 R)
• M8: 4,610,158 km (0.115 R)
• M9: 4,963,957 km (0.082 R)
• M10: 5,423,820 km (0.112 R)
• M11: 7,330,894 km (0.049 R)
• M12: 7,662,104 km (0.085 R)
• M13: 8,473,672 km (0.099 R)
• M14: 11,592,489 km (0.077 R)
• M15: 16,435,720 km (0.101 R)
• M16: 19,892,777 km (0.118 R)
• M17: 22,244,455 km (0.055 R)
• M18: 22,782,559 km (0.091 R)
• M19: 26,967,559 km (0.104 R)
• M20: 27,228,608 km (0.093 R)
• M21: 33,007,274 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.8

Radius: 3.4

Gravity: 73.43 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 7.03 AU - 7.87 AU

Year: 13560 Days

Day: 16.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,073,618 km

• M1: 42,336 km (0.069 R)
• M2: 380,128 km (0.078 R)
• M3: 531,521 km (0.12 R)
• M4: 1,761,216 km (0.113 R)
• M5: 1,901,987 km (0.115 R)
• M6: 2,519,677 km (0.116 R)
• M7: 3,313,294 km (0.106 R)
• M8: 4,106,611 km (0.084 R)
• M9: 5,747,849 km (0.085 R)
• M10: 7,874,084 km (0.034 R)
• M11: 10,759,528 km (0.094 R)
• M12: 12,025,126 km (0.109 R)
• M13: 12,213,619 km (0.104 R)
• M14: 13,319,446 km (0.117 R)
• M15: 15,357,119 km (0.117 R)
• M16: 17,999,317 km (0.062 R)
• M17: 18,411,758 km (0.102 R)
• M18: 21,019,847 km (0.072 R)
• M19: 21,569,470 km (0.095 R)
• M20: 23,081,904 km (0.093 R)
• M21: 23,275,783 km (0.113 R)
• M22: 32,435,511 km (0.097 R)
• M23: 33,664,009 km (0.068 R)
• M24: 34,795,717 km (0.116 R)
• M25: 35,822,856 km (0.073 R)
• M26: 35,952,707 km (0.098 R)
• M27: 36,343,905 km (0.043 R)
• M28: 46,453,131 km (0.079 R)
• M29: 53,913,277 km (0.1 R)
• M30: 57,037,180 km (0.073 R)
• M31: 58,283,929 km (0.1 R)
• M32: 60,096,307 km (0.115 R)
• M33: 62,884,662 km (0.114 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 10,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit