🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.7

Radius: 14.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1 AU - 1.12 AU

Year: 753 Days

Day: 13.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,743,106 km

• M1: 176,525 km (0.074 R)
• M2: 934,239 km (0.105 R)
• M3: 1,548,039 km (0.107 R)
• M4: 3,454,215 km (0.089 R)
• M5: 4,144,310 km (0.099 R)
• M6: 5,134,797 km (0.074 R)
• M7: 6,257,529 km (0.068 R)
• M8: 6,845,000 km (0.096 R)
• M9: 7,677,662 km (0.067 R)
• M10: 8,351,900 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.5

Radius: 13.3

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.24 AU - 1.88 AU

Year: 1345 Days

Day: 13 Hours

Environment

Temp: -190 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,743,106 km

• M1: 182,360 km (0.046 R)
• M2: 772,075 km (0.116 R)
• M3: 2,024,658 km (0.051 R)
• M4: 2,683,187 km (0.092 R)
• M5: 3,198,851 km (0.096 R)
• M6: 3,780,637 km (0.109 R)
• M7: 4,253,815 km (0.083 R)
• M8: 4,843,081 km (0.096 R)
• M9: 5,320,598 km (0.057 R)
• M10: 6,534,585 km (0.109 R)
• M11: 7,069,247 km (0.085 R)
• M12: 7,952,922 km (0.053 R)
• M13: 8,393,488 km (0.111 R)
• M14: 9,445,310 km (0.113 R)
• M15: 10,484,716 km (0.064 R)
• M16: 11,599,221 km (0.058 R)
• M17: 12,167,244 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.4

Radius: 14.5

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.43 AU - 1.75 AU

Year: 1384 Days

Day: 8.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,743,106 km

• M1: 180,714 km (0.06 R)
• M2: 657,483 km (0.08 R)
• M3: 1,356,703 km (0.038 R)
• M4: 1,934,899 km (0.118 R)
• M5: 2,717,146 km (0.113 R)
• M6: 3,408,288 km (0.096 R)
• M7: 4,214,920 km (0.047 R)
• M8: 5,061,494 km (0.043 R)
• M9: 6,730,408 km (0.105 R)
• M10: 7,226,774 km (0.086 R)
• M11: 7,831,897 km (0.089 R)
• M12: 9,953,046 km (0.054 R)
• M13: 11,021,324 km (0.068 R)
• M14: 12,864,370 km (0.048 R)
• M15: 13,426,858 km (0.104 R)
• M16: 14,089,726 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.6

Radius: 10.9

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.59 AU - 3.45 AU

Year: 3623 Days

Day: 7.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,743,106 km

• M1: 135,835 km (0.091 R)
• M2: 600,935 km (0.118 R)
• M3: 1,283,101 km (0.108 R)
• M4: 2,028,547 km (0.11 R)
• M5: 2,429,769 km (0.108 R)
• M6: 2,849,989 km (0.111 R)
• M7: 3,299,531 km (0.103 R)
• M8: 4,030,167 km (0.104 R)
• M9: 4,411,192 km (0.12 R)
• M10: 5,142,576 km (0.072 R)
• M11: 5,510,737 km (0.074 R)
• M12: 6,010,094 km (0.081 R)
• M13: 7,523,726 km (0.086 R)
• M14: 8,244,937 km (0.116 R)
• M15: 8,640,773 km (0.118 R)
• M16: 9,985,359 km (0.047 R)
• M17: 10,899,102 km (0.089 R)
• M18: 11,687,483 km (0.064 R)
• M19: 12,654,783 km (0.074 R)
• M20: 16,322,474 km (0.12 R)
• M21: 16,718,759 km (0.062 R)
• M22: 17,471,535 km (0.082 R)
• M23: 17,945,910 km (0.086 R)
• M24: 18,367,926 km (0.046 R)
• M25: 18,796,673 km (0.063 R)
• M26: 20,123,158 km (0.079 R)
• M27: 21,443,508 km (0.108 R)
• M28: 22,056,112 km (0.119 R)
• M29: 22,750,545 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.7

Radius: 6.9

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.57 AU - 6.51 AU

Year: 10246 Days

Day: 17.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,743,106 km

• M1: 85,869 km (0.078 R)
• M2: 339,138 km (0.079 R)
• M3: 633,996 km (0.107 R)
• M4: 1,118,992 km (0.119 R)
• M5: 2,128,628 km (0.066 R)
• M6: 2,553,636 km (0.048 R)
• M7: 3,163,097 km (0.035 R)
• M8: 6,207,564 km (0.055 R)
• M9: 10,011,837 km (0.096 R)
• M10: 10,300,561 km (0.104 R)
• M11: 10,945,029 km (0.078 R)
• M12: 11,251,256 km (0.097 R)
• M13: 11,934,769 km (0.069 R)
• M14: 14,332,224 km (0.099 R)
• M15: 16,032,553 km (0.073 R)
• M16: 17,033,064 km (0.11 R)
• M17: 19,753,202 km (0.057 R)
• M18: 23,586,049 km (0.05 R)
• M19: 27,323,004 km (0.043 R)
• M20: 33,319,036 km (0.096 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: 236 - 15,757 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit