🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.4

Radius: 8.3

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.68 AU - 1.02 AU

Year: 532 Days

Day: 5 Hours

Environment

Temp: -163 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,138,721 km

• M1: 103,372 km (0.114 R)
• M2: 395,238 km (0.099 R)
• M3: 814,560 km (0.065 R)
• M4: 1,888,972 km (0.11 R)
• M5: 2,168,870 km (0.096 R)
• M6: 3,626,851 km (0.07 R)
• M7: 4,340,732 km (0.104 R)
• M8: 4,876,292 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.7

Radius: 10.7

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.77 AU - 1.03 AU

Year: 579 Days

Day: 11.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,138,721 km

• M1: 134,788 km (0.114 R)
• M2: 484,697 km (0.108 R)
• M3: 851,212 km (0.078 R)
• M4: 1,422,526 km (0.058 R)
• M5: 1,828,236 km (0.095 R)
• M6: 2,253,393 km (0.086 R)
• M7: 2,670,023 km (0.086 R)
• M8: 3,137,815 km (0.097 R)
• M9: 4,303,033 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.1

Radius: 15

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.21 AU - 1.97 AU

Year: 1360 Days

Day: 14.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 137.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 86,138,721 km

• M1: 186,549 km (0.07 R)
• M2: 800,498 km (0.074 R)
• M3: 1,628,074 km (0.103 R)
• M4: 2,369,032 km (0.103 R)
• M5: 2,922,843 km (0.098 R)
• M6: 3,684,895 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.8

Radius: 12.7

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.84 AU - 2.34 AU

Year: 2049 Days

Day: 12.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,138,721 km

• M1: 158,275 km (0.073 R)
• M2: 745,147 km (0.046 R)
• M3: 1,164,769 km (0.062 R)
• M4: 1,646,773 km (0.078 R)
• M5: 2,056,672 km (0.085 R)
• M6: 2,508,607 km (0.095 R)
• M7: 3,027,113 km (0.101 R)
• M8: 4,032,859 km (0.114 R)
• M9: 4,501,400 km (0.11 R)
• M10: 4,897,834 km (0.078 R)
• M11: 7,161,400 km (0.086 R)
• M12: 8,091,450 km (0.093 R)
• M13: 8,904,963 km (0.086 R)
• M14: 9,432,295 km (0.095 R)
• M15: 11,444,237 km (0.102 R)
• M16: 16,398,021 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.9

Radius: 14.7

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.1 AU - 2.76 AU

Year: 2569 Days

Day: 9.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 57 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,138,721 km

• M1: 182,809 km (0.097 R)
• M2: 664,364 km (0.119 R)
• M3: 1,270,385 km (0.106 R)
• M4: 1,965,417 km (0.108 R)
• M5: 2,526,110 km (0.072 R)
• M6: 3,276,493 km (0.113 R)
• M7: 5,753,833 km (0.062 R)
• M8: 6,477,438 km (0.1 R)
• M9: 7,526,119 km (0.092 R)
• M10: 8,201,554 km (0.101 R)
• M11: 8,917,379 km (0.073 R)
• M12: 10,436,845 km (0.11 R)
• M13: 11,555,239 km (0.083 R)
• M14: 12,372,193 km (0.096 R)
• M15: 13,758,965 km (0.073 R)
• M16: 15,055,530 km (0.106 R)
• M17: 15,980,793 km (0.043 R)
• M18: 17,255,516 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.7

Radius: 5.7

Gravity: 23.78 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 9.45 AU - 11.31 AU

Year: 22682 Days

Day: 16.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,138,721 km

• M1: 70,909 km (0.082 R)
• M2: 307,124 km (0.03 R)
• M3: 926,310 km (0.108 R)
• M4: 2,971,163 km (0.06 R)
• M5: 4,019,844 km (0.077 R)
• M6: 5,496,974 km (0.086 R)
• M7: 6,913,815 km (0.104 R)
• M8: 7,861,667 km (0.082 R)
• M9: 8,558,195 km (0.075 R)
• M10: 10,509,849 km (0.084 R)
• M11: 11,895,574 km (0.101 R)
• M12: 13,926,814 km (0.081 R)
• M13: 16,178,411 km (0.085 R)
• M14: 16,863,719 km (0.094 R)
• M15: 26,658,640 km (0.094 R)
• M16: 29,845,972 km (0.12 R)
• M17: 30,615,952 km (0.104 R)
• M18: 35,516,330 km (0.068 R)
• M19: 35,946,723 km (0.085 R)
• M20: 38,301,842 km (0.084 R)
• M21: 39,824,748 km (0.116 R)
• M22: 43,479,873 km (0.075 R)
• M23: 48,399,250 km (0.106 R)
• M24: 50,178,118 km (0.119 R)
• M25: 51,632,209 km (0.113 R)
• M26: 60,950,810 km (0.089 R)
• M27: 61,774,346 km (0.084 R)
• M28: 62,814,351 km (0.119 R)
• M29: 71,102,073 km (0.078 R)
• M30: 80,582,239 km (0.028 R)
• M31: 85,880,846 km (0.106 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 20,090 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit