🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.8

Radius: 13

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.12 AU - 1.56 AU

Year: 1002 Days

Day: 7.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,617,847 km

• M1: 161,715 km (0.092 R)
• M2: 596,447 km (0.099 R)
• M3: 1,482,664 km (0.103 R)
• M4: 1,958,236 km (0.12 R)
• M5: 2,442,036 km (0.088 R)
• M6: 3,019,035 km (0.118 R)
• M7: 4,757,661 km (0.069 R)
• M8: 5,256,420 km (0.1 R)
• M9: 5,684,719 km (0.067 R)
• M10: 6,705,425 km (0.072 R)
• M11: 7,161,250 km (0.099 R)
• M12: 7,586,706 km (0.095 R)
• M13: 8,028,918 km (0.114 R)
• M14: 8,599,035 km (0.101 R)
• M15: 9,254,423 km (0.099 R)
• M16: 10,096,959 km (0.087 R)
• M17: 10,665,131 km (0.114 R)
• M18: 11,321,417 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.5

Radius: 15

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.19 AU - 2.61 AU

Year: 2401 Days

Day: 14 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,617,847 km

• M1: 186,549 km (0.108 R)
• M2: 746,793 km (0.104 R)
• M3: 1,370,167 km (0.031 R)
• M4: 1,962,425 km (0.054 R)
• M5: 2,514,142 km (0.109 R)
• M6: 3,323,616 km (0.109 R)
• M7: 4,098,982 km (0.117 R)
• M8: 5,442,371 km (0.097 R)
• M9: 6,473,698 km (0.087 R)
• M10: 7,884,855 km (0.119 R)
• M11: 9,985,359 km (0.116 R)
• M12: 10,668,722 km (0.12 R)
• M13: 12,359,626 km (0.119 R)
• M14: 13,148,157 km (0.086 R)
• M15: 13,886,273 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.4

Radius: 8.7

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.02 AU - 4.6 AU

Year: 4802 Days

Day: 8.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,617,847 km

• M1: 117,734 km (0.062 R)
• M2: 399,875 km (0.117 R)
• M3: 1,248,993 km (0.116 R)
• M4: 2,170,815 km (0.069 R)
• M5: 2,871,382 km (0.093 R)
• M6: 6,905,438 km (0.094 R)
• M7: 10,050,284 km (0.119 R)
• M8: 12,336,588 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.4

Radius: 10.7

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.26 AU - 4.94 AU

Year: 5360 Days

Day: 6 Hours

Environment

Temp: -210 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,617,847 km

• M1: 133,142 km (0.071 R)
• M2: 663,167 km (0.04 R)
• M3: 1,044,044 km (0.067 R)
• M4: 1,947,914 km (0.068 R)
• M5: 2,550,195 km (0.105 R)
• M6: 2,895,916 km (0.063 R)
• M7: 3,622,213 km (0.115 R)
• M8: 4,260,398 km (0.064 R)
• M9: 4,654,289 km (0.078 R)
• M10: 5,123,278 km (0.092 R)
• M11: 5,515,673 km (0.096 R)
• M12: 7,856,581 km (0.093 R)
• M13: 8,308,815 km (0.05 R)
• M14: 12,067,911 km (0.099 R)
• M15: 12,576,693 km (0.089 R)
• M16: 13,538,458 km (0.072 R)
• M17: 14,808,693 km (0.044 R)
• M18: 15,716,752 km (0.084 R)
• M19: 17,292,766 km (0.098 R)
• M20: 18,786,650 km (0.117 R)
• M21: 19,533,592 km (0.057 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.2

Radius: 3.2

Gravity: 23.26 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.33 AU - 6.41 AU

Year: 10381 Days

Day: 15.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,617,847 km

• M1: 41,588 km (0.07 R)
• M2: 212,429 km (0.106 R)
• M3: 341,532 km (0.115 R)
• M4: 465,249 km (0.118 R)
• M5: 625,768 km (0.068 R)
• M6: 765,492 km (0.12 R)
• M7: 1,088,175 km (0.089 R)
• M8: 1,280,259 km (0.105 R)
• M9: 1,889,272 km (0.086 R)
• M10: 2,087,339 km (0.114 R)
• M11: 2,784,166 km (0.063 R)
• M12: 3,600,671 km (0.072 R)
• M13: 3,715,712 km (0.096 R)
• M14: 4,406,405 km (0.052 R)
• M15: 4,949,446 km (0.073 R)
• M16: 5,236,973 km (0.114 R)
• M17: 7,274,047 km (0.114 R)
• M18: 8,753,121 km (0.115 R)
• M19: 10,053,725 km (0.099 R)
• M20: 11,329,645 km (0.038 R)
• M21: 11,677,311 km (0.077 R)
• M22: 12,083,319 km (0.077 R)
• M23: 13,193,485 km (0.091 R)
• M24: 13,522,750 km (0.113 R)
• M25: 16,169,136 km (0.1 R)
• M26: 17,187,599 km (0.051 R)
• M27: 20,498,199 km (0.093 R)
• M28: 21,841,738 km (0.117 R)
• M29: 22,225,157 km (0.087 R)
• M30: 25,709,292 km (0.066 R)
• M31: 29,354,393 km (0.112 R)
• M32: 29,633,842 km (0.115 R)
• M33: 33,836,944 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.2

Radius: 7.9

Gravity: 13.99 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.92 AU - 7.9 AU

Year: 10479 Days

Day: 21.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,617,847 km

• M1: 98,286 km (0.065 R)
• M2: 637,586 km (0.057 R)
• M3: 1,017,415 km (0.049 R)
• M4: 1,430,754 km (0.031 R)
• M5: 1,918,593 km (0.076 R)
• M6: 2,276,880 km (0.108 R)
• M7: 2,616,168 km (0.081 R)
• M8: 3,813,998 km (0.119 R)
• M9: 4,353,448 km (0.111 R)
• M10: 8,857,690 km (0.039 R)
• M11: 9,699,926 km (0.087 R)
• M12: 12,669,144 km (0.093 R)
• M13: 15,415,013 km (0.047 R)
• M14: 16,631,244 km (0.114 R)
• M15: 19,415,859 km (0.068 R)
• M16: 20,918,270 km (0.115 R)
• M17: 25,204,100 km (0.1 R)
• M18: 30,369,415 km (0.089 R)
• M19: 30,921,880 km (0.08 R)
• M20: 32,619,217 km (0.049 R)
• M21: 35,584,696 km (0.056 R)
• M22: 35,952,258 km (0.109 R)
• M23: 40,963,188 km (0.082 R)
• M24: 44,692,813 km (0.056 R)
• M25: 46,566,676 km (0.063 R)
• M26: 51,557,560 km (0.067 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 19,678 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit