🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.8

Radius: 9.2

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.44 AU - 1.52 AU

Year: 1163 Days

Day: 14.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,805,151 km

• M1: 114,442 km (0.05 R)
• M2: 462,257 km (0.091 R)
• M3: 896,540 km (0.086 R)
• M4: 1,333,515 km (0.102 R)
• M5: 1,859,801 km (0.04 R)
• M6: 2,231,851 km (0.105 R)
• M7: 2,519,228 km (0.082 R)
• M8: 3,504,480 km (0.104 R)
• M9: 3,944,148 km (0.093 R)
• M10: 5,715,985 km (0.057 R)
• M11: 6,125,584 km (0.104 R)
• M12: 6,624,493 km (0.055 R)
• M13: 7,600,619 km (0.095 R)
• M14: 9,505,598 km (0.032 R)
• M15: 10,394,060 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.1

Radius: 8.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.87 AU - 2.65 AU

Year: 2194 Days

Day: 5.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,805,151 km

• M1: 102,026 km (0.106 R)
• M2: 413,489 km (0.069 R)
• M3: 863,928 km (0.119 R)
• M4: 1,224,907 km (0.119 R)
• M5: 1,553,125 km (0.095 R)
• M6: 1,918,593 km (0.028 R)
• M7: 2,365,142 km (0.053 R)
• M8: 2,740,932 km (0.098 R)
• M9: 3,387,045 km (0.059 R)
• M10: 3,679,210 km (0.095 R)
• M11: 4,816,902 km (0.118 R)
• M12: 5,124,325 km (0.098 R)
• M13: 5,598,850 km (0.114 R)
• M14: 8,220,553 km (0.049 R)
• M15: 9,460,569 km (0.076 R)
• M16: 10,925,132 km (0.12 R)
• M17: 12,458,810 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.8

Radius: 14.6

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.03 AU - 3.57 AU

Year: 3871 Days

Day: 14.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,805,151 km

• M1: 182,360 km (0.114 R)
• M2: 741,856 km (0.112 R)
• M3: 1,561,203 km (0.041 R)
• M4: 2,114,267 km (0.098 R)
• M5: 3,308,207 km (0.103 R)
• M6: 3,945,494 km (0.093 R)
• M7: 4,423,011 km (0.046 R)
• M8: 4,964,854 km (0.104 R)
• M9: 6,610,431 km (0.08 R)
• M10: 7,089,892 km (0.088 R)
• M11: 7,800,631 km (0.073 R)
• M12: 8,484,144 km (0.107 R)
• M13: 9,604,333 km (0.107 R)
• M14: 11,218,793 km (0.091 R)
• M15: 12,090,949 km (0.116 R)
• M16: 12,909,249 km (0.099 R)
• M17: 14,231,993 km (0.054 R)
• M18: 21,391,000 km (0.063 R)
• M19: 21,878,838 km (0.119 R)
• M20: 23,021,766 km (0.101 R)
• M21: 25,974,529 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.9

Radius: 3

Gravity: 45.21 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.85 AU - 7.83 AU

Year: 11550 Days

Day: 17.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,805,151 km

• M1: 37,399 km (0.097 R)
• M2: 151,243 km (0.069 R)
• M3: 266,733 km (0.062 R)
• M4: 376,089 km (0.079 R)
• M5: 3,251,061 km (0.053 R)
• M6: 3,391,683 km (0.113 R)
• M7: 4,580,238 km (0.034 R)
• M8: 6,672,963 km (0.112 R)
• M9: 8,774,514 km (0.102 R)
• M10: 9,420,178 km (0.093 R)
• M11: 10,702,531 km (0.034 R)
• M12: 14,596,863 km (0.058 R)
• M13: 15,239,086 km (0.098 R)
• M14: 17,492,030 km (0.063 R)
• M15: 24,473,912 km (0.054 R)
• M16: 31,386,980 km (0.084 R)
• M17: 37,916,328 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.3

Radius: 3

Gravity: 31.14 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.69 AU - 8.21 AU

Year: 11830 Days

Day: 15.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,805,151 km

• M1: 37,699 km (0.079 R)
• M2: 284,984 km (0.094 R)
• M3: 438,023 km (0.067 R)
• M4: 546,780 km (0.056 R)
• M5: 681,269 km (0.058 R)
• M6: 811,419 km (0.075 R)
• M7: 1,316,162 km (0.11 R)
• M8: 1,628,074 km (0.086 R)
• M9: 2,084,497 km (0.079 R)
• M10: 2,306,799 km (0.101 R)
• M11: 2,525,661 km (0.051 R)
• M12: 3,933,377 km (0.041 R)
• M13: 4,462,804 km (0.082 R)
• M14: 5,759,069 km (0.026 R)
• M15: 6,092,822 km (0.05 R)
• M16: 7,096,325 km (0.053 R)
• M17: 7,363,357 km (0.115 R)
• M18: 7,597,477 km (0.072 R)
• M19: 9,561,099 km (0.062 R)
• M20: 10,316,269 km (0.051 R)
• M21: 11,627,046 km (0.037 R)
• M22: 15,444,185 km (0.097 R)
• M23: 19,348,091 km (0.025 R)
• M24: 21,171,539 km (0.11 R)
• M25: 22,693,997 km (0.109 R)
• M26: 23,861,309 km (0.087 R)
• M27: 31,716,245 km (0.052 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: 507 - 13,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit