🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923

Radius: 14.4

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.77 AU - 1.27 AU

Year: 711 Days

Day: 7.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 152.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,566,418 km

• M1: 179,069 km (0.081 R)
• M2: 667,805 km (0.077 R)
• M3: 1,346,830 km (0.042 R)
• M4: 1,953,299 km (0.027 R)
• M5: 2,449,067 km (0.108 R)
• M6: 3,054,789 km (0.108 R)
• M7: 4,245,737 km (0.057 R)
• M8: 5,235,626 km (0.039 R)
• M9: 6,629,579 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.8

Radius: 14.8

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.01 AU - 1.13 AU

Year: 764 Days

Day: 5.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,566,418 km

• M1: 193,879 km (0.076 R)
• M2: 771,626 km (0.093 R)
• M3: 1,566,140 km (0.106 R)
• M4: 2,178,893 km (0.111 R)
• M5: 2,765,167 km (0.086 R)
• M6: 3,292,200 km (0.086 R)
• M7: 4,633,345 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.1

Radius: 9.2

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.97 AU - 1.57 AU

Year: 988 Days

Day: 7.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,566,418 km

• M1: 114,592 km (0.101 R)
• M2: 403,166 km (0.047 R)
• M3: 696,378 km (0.039 R)
• M4: 1,085,781 km (0.11 R)
• M5: 1,595,012 km (0.071 R)
• M6: 1,910,066 km (0.092 R)
• M7: 2,236,488 km (0.065 R)
• M8: 2,702,785 km (0.095 R)
• M9: 3,028,011 km (0.037 R)
• M10: 3,544,273 km (0.078 R)
• M11: 5,582,993 km (0.043 R)
• M12: 6,053,179 km (0.115 R)
• M13: 6,360,303 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.4

Radius: 4.7

Gravity: 18.99 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.88 AU - 8.94 AU

Year: 15356 Days

Day: 19.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,566,418 km

• M1: 58,493 km (0.091 R)
• M2: 220,058 km (0.115 R)
• M3: 441,463 km (0.065 R)
• M4: 596,297 km (0.033 R)
• M5: 883,824 km (0.025 R)
• M6: 1,686,267 km (0.1 R)
• M7: 1,848,431 km (0.118 R)
• M8: 2,223,174 km (0.115 R)
• M9: 3,170,876 km (0.055 R)
• M10: 3,600,372 km (0.068 R)
• M11: 4,763,196 km (0.098 R)
• M12: 5,570,127 km (0.085 R)
• M13: 6,542,812 km (0.04 R)
• M14: 7,800,033 km (0.03 R)
• M15: 8,818,645 km (0.058 R)
• M16: 10,080,353 km (0.06 R)
• M17: 10,454,198 km (0.055 R)
• M18: 12,042,180 km (0.101 R)
• M19: 16,480,749 km (0.085 R)
• M20: 16,701,705 km (0.092 R)
• M21: 17,528,682 km (0.112 R)
• M22: 21,546,133 km (0.114 R)
• M23: 22,615,907 km (0.109 R)
• M24: 24,764,282 km (0.094 R)
• M25: 31,677,349 km (0.103 R)
• M26: 33,882,571 km (0.101 R)
• M27: 34,120,432 km (0.111 R)
• M28: 38,080,288 km (0.069 R)
• M29: 44,151,268 km (0.075 R)
• M30: 53,850,746 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.7

Radius: 5.5

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.18 AU - 11.24 AU

Year: 19293 Days

Day: 19.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,566,418 km

• M1: 68,366 km (0.115 R)
• M2: 558,150 km (0.073 R)
• M3: 4,807,028 km (0.087 R)
• M4: 5,331,967 km (0.062 R)
• M5: 7,210,169 km (0.066 R)
• M6: 9,668,510 km (0.081 R)
• M7: 14,381,741 km (0.072 R)
• M8: 22,267,793 km (0.105 R)
• M9: 26,801,655 km (0.101 R)
• M10: 28,347,001 km (0.066 R)
• M11: 30,336,952 km (0.115 R)
• M12: 35,661,140 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 35

Radius: 5.8

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.19 AU - 10.27 AU

Year: 20950 Days

Day: 15.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,566,418 km

• M1: 74,500 km (0.027 R)
• M2: 444,306 km (0.116 R)
• M3: 1,296,415 km (0.088 R)
• M4: 2,333,727 km (0.034 R)
• M5: 2,614,821 km (0.112 R)
• M6: 5,119,239 km (0.07 R)
• M7: 5,451,795 km (0.091 R)
• M8: 6,160,440 km (0.073 R)
• M9: 6,536,978 km (0.082 R)
• M10: 8,423,707 km (0.109 R)
• M11: 9,450,097 km (0.11 R)
• M12: 10,959,989 km (0.079 R)
• M13: 12,376,381 km (0.11 R)
• M14: 14,017,171 km (0.099 R)
• M15: 16,206,536 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.7

Radius: 5.5

Gravity: 22.57 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 9.1 AU - 10.9 AU

Year: 21828 Days

Day: 22.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,566,418 km

• M1: 68,965 km (0.087 R)
• M2: 294,109 km (0.091 R)
• M3: 803,341 km (0.066 R)
• M4: 1,181,225 km (0.117 R)
• M5: 2,831,738 km (0.097 R)
• M6: 3,639,417 km (0.066 R)
• M7: 4,520,399 km (0.106 R)
• M8: 6,603,400 km (0.105 R)
• M9: 7,306,360 km (0.095 R)
• M10: 7,751,414 km (0.104 R)
• M11: 8,533,063 km (0.104 R)
• M12: 13,027,731 km (0.059 R)
• M13: 16,685,249 km (0.115 R)
• M14: 17,894,299 km (0.073 R)
• M15: 19,068,343 km (0.101 R)
• M16: 22,277,367 km (0.055 R)
• M17: 29,864,373 km (0.09 R)
• M18: 33,086,411 km (0.07 R)
• M19: 48,464,773 km (0.118 R)
• M20: 55,677,036 km (0.072 R)
• M21: 58,361,121 km (0.08 R)
• M22: 67,356,441 km (0.072 R)
• M23: 67,785,937 km (0.048 R)
• M24: 71,065,571 km (0.09 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 14,832 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit