🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.3

Radius: 8.9

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.87 AU - 0.97 AU

Year: 599 Days

Day: 9.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,709,379 km

• M1: 110,702 km (0.046 R)
• M2: 465,399 km (0.08 R)
• M3: 858,692 km (0.087 R)
• M4: 1,212,640 km (0.074 R)
• M5: 1,539,362 km (0.086 R)
• M6: 2,044,255 km (0.097 R)
• M7: 2,442,933 km (0.09 R)
• M8: 2,948,574 km (0.114 R)
• M9: 4,042,134 km (0.057 R)
• M10: 4,401,618 km (0.077 R)
• M11: 5,662,130 km (0.116 R)
• M12: 6,168,818 km (0.083 R)
• M13: 6,607,289 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.3

Radius: 10

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.76 AU - 1.08 AU

Year: 599 Days

Day: 9.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,709,379 km

• M1: 124,465 km (0.074 R)
• M2: 552,615 km (0.118 R)
• M3: 900,130 km (0.085 R)
• M4: 1,243,458 km (0.103 R)
• M5: 1,635,703 km (0.119 R)
• M6: 2,335,223 km (0.098 R)
• M7: 2,822,912 km (0.03 R)
• M8: 4,182,756 km (0.116 R)
• M9: 4,921,920 km (0.085 R)
• M10: 5,898,046 km (0.105 R)
• M11: 6,891,076 km (0.069 R)
• M12: 7,874,383 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.5

Radius: 9.7

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.15 AU - 1.85 AU

Year: 1246 Days

Day: 9.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,709,379 km

• M1: 120,576 km (0.034 R)
• M2: 707,748 km (0.105 R)
• M3: 1,181,075 km (0.088 R)
• M4: 1,538,465 km (0.099 R)
• M5: 1,930,860 km (0.078 R)
• M6: 2,739,287 km (0.102 R)
• M7: 3,109,841 km (0.098 R)
• M8: 3,444,192 km (0.053 R)
• M9: 4,185,748 km (0.088 R)
• M10: 4,594,749 km (0.119 R)
• M11: 5,323,291 km (0.057 R)
• M12: 5,843,891 km (0.104 R)
• M13: 6,230,153 km (0.03 R)
• M14: 8,097,583 km (0.107 R)
• M15: 8,786,781 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.6

Radius: 12.6

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.8 AU - 2.14 AU

Year: 1875 Days

Day: 9 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,709,379 km

• M1: 156,779 km (0.073 R)
• M2: 551,418 km (0.067 R)
• M3: 1,052,421 km (0.067 R)
• M4: 1,547,141 km (0.043 R)
• M5: 2,364,694 km (0.063 R)
• M6: 3,100,715 km (0.099 R)
• M7: 4,078,337 km (0.047 R)
• M8: 4,622,125 km (0.071 R)
• M9: 5,675,743 km (0.065 R)
• M10: 6,164,928 km (0.078 R)
• M11: 6,748,809 km (0.061 R)
• M12: 8,002,439 km (0.053 R)
• M13: 9,377,842 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.9

Radius: 11.2

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.64 AU - 2.7 AU

Year: 2168 Days

Day: 6.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,709,379 km

• M1: 139,425 km (0.109 R)
• M2: 517,160 km (0.097 R)
• M3: 977,772 km (0.054 R)
• M4: 1,386,922 km (0.12 R)
• M5: 1,755,082 km (0.119 R)
• M6: 2,151,666 km (0.067 R)
• M7: 3,032,349 km (0.087 R)
• M8: 4,547,775 km (0.11 R)
• M9: 5,235,626 km (0.095 R)
• M10: 5,940,681 km (0.114 R)
• M11: 6,382,743 km (0.071 R)
• M12: 6,902,745 km (0.107 R)
• M13: 7,510,262 km (0.029 R)
• M14: 8,504,340 km (0.119 R)
• M15: 9,374,700 km (0.104 R)
• M16: 12,095,736 km (0.061 R)
• M17: 14,781,317 km (0.12 R)
• M18: 17,052,960 km (0.089 R)
• M19: 17,681,870 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.6

Radius: 13

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.57 AU - 6.15 AU

Year: 8417 Days

Day: 6.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,709,379 km

• M1: 162,164 km (0.105 R)
• M2: 626,665 km (0.073 R)
• M3: 1,105,379 km (0.085 R)
• M4: 1,849,179 km (0.099 R)
• M5: 3,300,727 km (0.071 R)
• M6: 5,671,854 km (0.088 R)
• M7: 6,958,096 km (0.065 R)
• M8: 7,834,889 km (0.026 R)
• M9: 9,521,456 km (0.106 R)
• M10: 16,091,046 km (0.108 R)
• M11: 17,125,216 km (0.047 R)
• M12: 17,911,203 km (0.088 R)
• M13: 18,424,025 km (0.113 R)
• M14: 19,097,515 km (0.09 R)
• M15: 19,632,626 km (0.065 R)
• M16: 20,099,372 km (0.088 R)
• M17: 21,626,167 km (0.082 R)
• M18: 22,544,698 km (0.055 R)
• M19: 24,819,334 km (0.117 R)
• M20: 26,199,075 km (0.074 R)
• M21: 27,532,441 km (0.118 R)
• M22: 29,111,147 km (0.116 R)
• M23: 29,718,515 km (0.081 R)
• M24: 31,591,330 km (0.117 R)
• M25: 32,665,144 km (0.064 R)
• M26: 34,097,244 km (0.11 R)
• M27: 34,659,134 km (0.107 R)
• M28: 41,635,780 km (0.102 R)
• M29: 44,110,578 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.8

Radius: 7.6

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.36 AU - 6.84 AU

Year: 10218 Days

Day: 23.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,709,379 km

• M1: 95,593 km (0.108 R)
• M2: 527,931 km (0.102 R)
• M3: 796,309 km (0.104 R)
• M4: 1,045,091 km (0.053 R)
• M5: 1,326,784 km (0.105 R)
• M6: 1,915,601 km (0.081 R)
• M7: 2,372,473 km (0.105 R)
• M8: 3,641,212 km (0.071 R)
• M9: 4,121,421 km (0.077 R)
• M10: 5,284,994 km (0.081 R)
• M11: 6,298,519 km (0.055 R)
• M12: 6,653,515 km (0.107 R)
• M13: 11,187,228 km (0.109 R)
• M14: 11,620,463 km (0.086 R)
• M15: 11,930,281 km (0.115 R)
• M16: 14,765,908 km (0.117 R)
• M17: 16,422,256 km (0.057 R)
• M18: 18,557,017 km (0.074 R)
• M19: 20,611,146 km (0.107 R)
• M20: 23,228,809 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.7

Radius: 4.3

Gravity: 15.34 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.56 AU - 12.2 AU

Year: 21063 Days

Day: 17.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,709,379 km

• M1: 53,556 km (0.112 R)
• M2: 362,476 km (0.12 R)
• M3: 508,782 km (0.057 R)
• M4: 926,609 km (0.075 R)
• M5: 1,108,371 km (0.032 R)
• M6: 1,368,821 km (0.088 R)
• M7: 1,717,683 km (0.084 R)
• M8: 1,993,541 km (0.101 R)
• M9: 2,722,232 km (0.054 R)
• M10: 3,146,642 km (0.119 R)
• M11: 3,453,168 km (0.055 R)
• M12: 4,008,026 km (0.038 R)
• M13: 4,493,022 km (0.101 R)
• M14: 5,837,608 km (0.11 R)
• M15: 7,341,516 km (0.109 R)
• M16: 12,786,579 km (0.111 R)
• M17: 13,236,719 km (0.103 R)
• M18: 14,373,812 km (0.119 R)
• M19: 14,860,304 km (0.03 R)
• M20: 17,853,459 km (0.054 R)
• M21: 21,403,865 km (0.118 R)
• M22: 21,855,651 km (0.114 R)
• M23: 29,083,023 km (0.098 R)
• M24: 37,102,217 km (0.085 R)
• M25: 38,148,205 km (0.11 R)
• M26: 47,998,776 km (0.104 R)
• M27: 51,302,495 km (0.059 R)
• M28: 54,419,217 km (0.109 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 18,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit