🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.9

Radius: 15

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.71 AU - 0.79 AU

Year: 457 Days

Day: 8.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,754,163 km

• M1: 186,698 km (0.038 R)
• M2: 687,552 km (0.078 R)
• M3: 1,214,436 km (0.118 R)
• M4: 1,821,204 km (0.116 R)
• M5: 2,377,559 km (0.102 R)
• M6: 2,848,343 km (0.104 R)
• M7: 3,534,848 km (0.029 R)
• M8: 4,262,043 km (0.042 R)
• M9: 4,935,234 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.9

Radius: 14.2

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.68 AU - 0.94 AU

Year: 512 Days

Day: 5.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,754,163 km

• M1: 176,675 km (0.117 R)
• M2: 734,825 km (0.108 R)
• M3: 1,273,676 km (0.094 R)
• M4: 1,978,432 km (0.106 R)
• M5: 2,705,777 km (0.118 R)
• M6: 4,258,902 km (0.089 R)
• M7: 4,915,487 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.4

Radius: 13.4

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.25 AU - 1.27 AU

Year: 994 Days

Day: 8.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,754,163 km

• M1: 171,290 km (0.043 R)
• M2: 663,317 km (0.047 R)
• M3: 1,115,103 km (0.115 R)
• M4: 2,072,978 km (0.088 R)
• M5: 2,648,331 km (0.119 R)
• M6: 3,191,671 km (0.098 R)
• M7: 3,767,323 km (0.119 R)
• M8: 5,026,488 km (0.105 R)
• M9: 5,903,282 km (0.065 R)
• M10: 7,112,930 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.7

Radius: 11.5

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.05 AU - 1.55 AU

Year: 1042 Days

Day: 9.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,754,163 km

• M1: 143,016 km (0.046 R)
• M2: 590,313 km (0.081 R)
• M3: 1,415,944 km (0.095 R)
• M4: 1,797,867 km (0.03 R)
• M5: 2,328,491 km (0.107 R)
• M6: 2,799,275 km (0.109 R)
• M7: 4,065,621 km (0.102 R)
• M8: 4,902,472 km (0.099 R)
• M9: 5,737,527 km (0.085 R)
• M10: 6,318,416 km (0.112 R)
• M11: 7,598,375 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.1

Radius: 8.3

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.22 AU - 4.44 AU

Year: 6333 Days

Day: 5.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,754,163 km

• M1: 103,522 km (0.092 R)
• M2: 406,757 km (0.035 R)
• M3: 880,383 km (0.101 R)
• M4: 1,205,759 km (0.057 R)
• M5: 1,664,725 km (0.051 R)
• M6: 2,027,051 km (0.07 R)
• M7: 2,320,113 km (0.064 R)
• M8: 2,951,865 km (0.107 R)
• M9: 3,243,431 km (0.091 R)
• M10: 3,670,085 km (0.114 R)
• M11: 4,033,009 km (0.034 R)
• M12: 4,340,433 km (0.085 R)
• M13: 5,449,551 km (0.094 R)
• M14: 6,253,341 km (0.056 R)
• M15: 6,701,536 km (0.09 R)
• M16: 8,711,682 km (0.068 R)
• M17: 11,750,763 km (0.11 R)
• M18: 12,327,014 km (0.1 R)
• M19: 12,757,706 km (0.064 R)
• M20: 13,706,456 km (0.104 R)
• M21: 14,942,434 km (0.095 R)
• M22: 15,681,148 km (0.102 R)
• M23: 18,043,598 km (0.118 R)
• M24: 24,968,333 km (0.043 R)
• M25: 25,832,560 km (0.104 R)
• M26: 26,272,079 km (0.095 R)
• M27: 31,842,505 km (0.076 R)
• M28: 33,478,507 km (0.088 R)
• M29: 37,028,615 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.1

Radius: 13.4

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.73 AU - 5.15 AU

Year: 7718 Days

Day: 7.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,754,163 km

• M1: 166,802 km (0.088 R)
• M2: 610,958 km (0.062 R)
• M3: 1,229,694 km (0.103 R)
• M4: 1,847,982 km (0.06 R)
• M5: 2,721,933 km (0.11 R)
• M6: 3,398,116 km (0.109 R)
• M7: 3,833,296 km (0.118 R)
• M8: 5,631,462 km (0.072 R)
• M9: 6,936,704 km (0.047 R)
• M10: 10,007,350 km (0.067 R)
• M11: 11,914,573 km (0.093 R)
• M12: 13,243,451 km (0.113 R)
• M13: 16,684,052 km (0.061 R)
• M14: 17,437,577 km (0.117 R)
• M15: 20,114,331 km (0.094 R)
• M16: 21,040,342 km (0.072 R)
• M17: 22,596,010 km (0.098 R)
• M18: 25,030,716 km (0.102 R)
• M19: 25,521,546 km (0.059 R)
• M20: 28,424,643 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819.8

Radius: 4.4

Gravity: 42.35 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.02 AU - 7.98 AU

Year: 11649 Days

Day: 18.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 48,754,163 km

• M1: 54,753 km (0.08 R)
• M2: 199,414 km (0.087 R)
• M3: 498,311 km (0.12 R)
• M4: 803,939 km (0.075 R)
• M5: 966,253 km (0.099 R)
• M6: 1,126,023 km (0.042 R)
• M7: 1,303,596 km (0.027 R)
• M8: 1,864,737 km (0.079 R)
• M9: 2,247,558 km (0.104 R)
• M10: 2,680,794 km (0.056 R)
• M11: 3,070,646 km (0.078 R)
• M12: 3,419,359 km (0.038 R)
• M13: 3,630,142 km (0.081 R)
• M14: 4,375,588 km (0.053 R)
• M15: 5,462,267 km (0.091 R)
• M16: 6,595,920 km (0.102 R)
• M17: 7,832,795 km (0.1 R)
• M18: 13,730,691 km (0.073 R)
• M19: 18,465,015 km (0.061 R)
• M20: 20,802,033 km (0.071 R)
• M21: 21,415,534 km (0.089 R)
• M22: 22,222,165 km (0.109 R)
• M23: 25,056,746 km (0.054 R)
• M24: 25,253,916 km (0.117 R)
• M25: 26,052,768 km (0.114 R)
• M26: 26,255,174 km (0.106 R)
• M27: 28,017,437 km (0.083 R)
• M28: 30,975,735 km (0.096 R)
• M29: 31,431,111 km (0.071 R)
• M30: 32,122,253 km (0.072 R)
• M31: 33,654,734 km (0.105 R)
• M32: 34,743,657 km (0.098 R)
• M33: 37,247,327 km (0.056 R)
• M34: 40,678,503 km (0.083 R)
• M35: 42,750,733 km (0.082 R)
• M36: 42,891,355 km (0.108 R)
• M37: 43,456,835 km (0.117 R)
• M38: 48,771,898 km (0.04 R)
• M39: 50,478,361 km (0.106 R)
• M40: 51,744,108 km (0.093 R)
• M41: 52,063,799 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.9

Radius: 7.2

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.22 AU - 9.54 AU

Year: 17052 Days

Day: 19.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,754,163 km

• M1: 89,609 km (0.092 R)
• M2: 382,971 km (0.062 R)
• M3: 622,028 km (0.084 R)
• M4: 995,125 km (0.111 R)
• M5: 9,782,354 km (0.109 R)
• M6: 11,970,522 km (0.077 R)
• M7: 15,189,569 km (0.065 R)
• M8: 20,784,679 km (0.047 R)
• M9: 21,962,164 km (0.111 R)
• M10: 29,870,356 km (0.091 R)
• M11: 35,330,080 km (0.026 R)
• M12: 43,279,562 km (0.108 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 11,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit