🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.8

Radius: 12.9

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.85 AU - 1.03 AU

Year: 618 Days

Day: 9 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 90,976,399 km

• M1: 161,267 km (0.106 R)
• M2: 591,211 km (0.084 R)
• M3: 1,051,075 km (0.042 R)
• M4: 1,711,100 km (0.107 R)
• M5: 2,473,002 km (0.1 R)
• M6: 2,916,111 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.1

Radius: 14.1

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.95 AU - 1.47 AU

Year: 903 Days

Day: 11 Hours

Environment

Temp: -173 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,976,399 km

• M1: 175,329 km (0.051 R)
• M2: 670,647 km (0.116 R)
• M3: 1,175,390 km (0.051 R)
• M4: 1,730,847 km (0.065 R)
• M5: 2,643,544 km (0.078 R)
• M6: 3,110,289 km (0.097 R)
• M7: 3,772,110 km (0.08 R)
• M8: 4,228,533 km (0.11 R)
• M9: 5,489,045 km (0.105 R)
• M10: 6,794,137 km (0.092 R)
• M11: 7,429,180 km (0.071 R)
• M12: 7,913,727 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.2

Radius: 8.7

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.77 AU - 4.23 AU

Year: 4441 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,976,399 km

• M1: 108,159 km (0.03 R)
• M2: 386,860 km (0.109 R)
• M3: 720,015 km (0.072 R)
• M4: 1,433,596 km (0.108 R)
• M5: 2,005,060 km (0.114 R)
• M6: 3,239,243 km (0.062 R)
• M7: 4,166,450 km (0.051 R)
• M8: 4,960,067 km (0.119 R)
• M9: 9,453,688 km (0.035 R)
• M10: 11,105,548 km (0.025 R)
• M11: 11,734,158 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.2

Radius: 12.5

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.71 AU - 4.35 AU

Year: 5487 Days

Day: 6 Hours

Environment

Temp: -214 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,976,399 km

• M1: 155,432 km (0.112 R)
• M2: 681,269 km (0.113 R)
• M3: 1,421,329 km (0.075 R)
• M4: 1,863,989 km (0.118 R)
• M5: 2,371,126 km (0.067 R)
• M6: 3,036,538 km (0.091 R)
• M7: 3,803,675 km (0.117 R)
• M8: 5,315,811 km (0.071 R)
• M9: 6,573,929 km (0.107 R)
• M10: 7,665,096 km (0.107 R)
• M11: 9,747,199 km (0.116 R)
• M12: 10,243,864 km (0.105 R)
• M13: 11,081,911 km (0.095 R)
• M14: 12,624,415 km (0.057 R)
• M15: 15,200,041 km (0.09 R)
• M16: 15,816,833 km (0.069 R)
• M17: 17,994,081 km (0.072 R)
• M18: 18,977,387 km (0.078 R)
• M19: 19,996,299 km (0.104 R)
• M20: 21,304,682 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.9

Radius: 13.7

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.55 AU - 5.15 AU

Year: 6154 Days

Day: 9.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,976,399 km

• M1: 176,974 km (0.028 R)
• M2: 751,281 km (0.12 R)
• M3: 1,227,750 km (0.117 R)
• M4: 1,809,237 km (0.063 R)
• M5: 2,704,879 km (0.074 R)
• M6: 3,460,947 km (0.034 R)
• M7: 4,100,178 km (0.107 R)
• M8: 5,368,320 km (0.049 R)
• M9: 6,980,685 km (0.093 R)
• M10: 7,898,917 km (0.116 R)
• M11: 10,142,885 km (0.096 R)
• M12: 10,874,419 km (0.067 R)
• M13: 11,919,958 km (0.113 R)
• M14: 15,237,590 km (0.112 R)
• M15: 16,546,272 km (0.038 R)
• M16: 20,111,339 km (0.113 R)
• M17: 22,609,773 km (0.107 R)
• M18: 23,339,063 km (0.103 R)
• M19: 24,538,539 km (0.051 R)
• M20: 26,254,426 km (0.078 R)
• M21: 26,816,765 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.7

Radius: 3.5

Gravity: 80.71 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.35 AU - 7.69 AU

Year: 11292 Days

Day: 20.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 90,976,399 km

• M1: 43,982 km (0.048 R)
• M2: 446,101 km (0.05 R)
• M3: 795,561 km (0.045 R)
• M4: 982,858 km (0.115 R)
• M5: 1,186,012 km (0.049 R)
• M6: 1,304,643 km (0.112 R)
• M7: 2,310,090 km (0.105 R)
• M8: 2,992,705 km (0.101 R)
• M9: 4,645,463 km (0.114 R)
• M10: 9,597,601 km (0.07 R)
• M11: 9,862,539 km (0.104 R)
• M12: 10,077,960 km (0.1 R)
• M13: 10,296,373 km (0.05 R)
• M14: 10,406,925 km (0.099 R)
• M15: 13,564,039 km (0.095 R)
• M16: 15,001,674 km (0.119 R)
• M17: 15,720,791 km (0.078 R)
• M18: 16,918,472 km (0.098 R)
• M19: 20,262,732 km (0.093 R)
• M20: 21,319,043 km (0.109 R)
• M21: 21,951,842 km (0.093 R)
• M22: 22,411,407 km (0.063 R)
• M23: 25,104,467 km (0.08 R)
• M24: 28,005,320 km (0.09 R)
• M25: 40,591,437 km (0.119 R)
• M26: 40,729,217 km (0.078 R)
• M27: 43,119,043 km (0.109 R)
• M28: 46,952,489 km (0.114 R)
• M29: 48,176,049 km (0.097 R)
• M30: 51,489,044 km (0.086 R)
• M31: 51,974,339 km (0.068 R)
• M32: 54,782,291 km (0.086 R)
• M33: 55,457,427 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 1000

Radius: 7.3

Gravity: 18.77 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 8.18 AU - 11.94 AU

Year: 21642 Days

Day: 21.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,976,399 km

• M1: 97,089 km (0.107 R)
• M2: 422,764 km (0.075 R)
• M3: 656,884 km (0.07 R)
• M4: 1,300,604 km (0.068 R)
• M5: 1,782,159 km (0.114 R)
• M6: 3,446,885 km (0.094 R)
• M7: 5,482,014 km (0.108 R)
• M8: 5,777,619 km (0.087 R)
• M9: 6,728,613 km (0.084 R)
• M10: 8,099,678 km (0.103 R)
• M11: 16,396,226 km (0.113 R)
• M12: 18,286,245 km (0.108 R)
• M13: 18,947,318 km (0.064 R)
• M14: 21,856,399 km (0.112 R)
• M15: 25,865,322 km (0.041 R)
• M16: 36,622,008 km (0.075 R)
• M17: 38,895,147 km (0.102 R)
• M18: 39,830,134 km (0.074 R)
• M19: 43,887,677 km (0.109 R)
• M20: 48,929,724 km (0.11 R)
• M21: 49,472,465 km (0.115 R)
• M22: 62,875,237 km (0.118 R)
• M23: 73,431,312 km (0.04 R)
• M24: 76,304,040 km (0.217 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 11,830 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit