🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.77 AU - 1.11 AU

Year: 407 Days

Day: 36.5 Hours

Environment

Temp: -56 °C

Axial Tilt: 45 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,520,968 km

• M1: 283,338 km (0.083 R)
• M2: 460,462 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.3

Radius: 14.9

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2 AU - 2.92 AU

Year: 1722 Days

Day: 12.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,520,968 km

• M1: 185,352 km (0.1 R)
• M2: 811,568 km (0.066 R)
• M3: 1,417,141 km (0.099 R)
• M4: 2,092,126 km (0.106 R)
• M5: 2,843,108 km (0.047 R)
• M6: 3,507,472 km (0.057 R)
• M7: 5,128,365 km (0.056 R)
• M8: 6,144,134 km (0.076 R)
• M9: 6,634,067 km (0.11 R)
• M10: 8,201,853 km (0.104 R)
• M11: 8,765,388 km (0.101 R)
• M12: 9,254,573 km (0.089 R)
• M13: 10,181,481 km (0.107 R)
• M14: 11,321,118 km (0.1 R)
• M15: 14,791,340 km (0.093 R)
• M16: 15,346,049 km (0.095 R)
• M17: 16,644,857 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.3

Radius: 13.2

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.48 AU - 3.48 AU

Year: 2897 Days

Day: 12.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,520,968 km

• M1: 164,258 km (0.074 R)
• M2: 633,846 km (0.051 R)
• M3: 1,103,733 km (0.083 R)
• M4: 1,697,038 km (0.045 R)
• M5: 2,753,947 km (0.094 R)
• M6: 3,235,353 km (0.086 R)
• M7: 4,963,358 km (0.072 R)
• M8: 6,285,504 km (0.092 R)
• M9: 7,385,946 km (0.118 R)
• M10: 8,198,861 km (0.03 R)
• M11: 8,611,003 km (0.106 R)
• M12: 9,546,289 km (0.065 R)
• M13: 10,474,394 km (0.119 R)
• M14: 11,383,500 km (0.107 R)
• M15: 12,972,529 km (0.11 R)
• M16: 14,937,497 km (0.073 R)
• M17: 15,458,247 km (0.093 R)
• M18: 16,138,618 km (0.071 R)
• M19: 17,455,080 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.2

Radius: 8.7

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.88 AU - 4.64 AU

Year: 3923 Days

Day: 12.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,520,968 km

• M1: 111,899 km (0.081 R)
• M2: 421,716 km (0.095 R)
• M3: 929,601 km (0.066 R)
• M4: 1,619,696 km (0.109 R)
• M5: 2,088,985 km (0.073 R)
• M6: 3,425,193 km (0.104 R)
• M7: 4,743,000 km (0.075 R)
• M8: 6,453,652 km (0.11 R)
• M9: 7,325,658 km (0.116 R)
• M10: 8,406,652 km (0.115 R)
• M11: 9,020,303 km (0.073 R)
• M12: 16,368,101 km (0.111 R)
• M13: 17,216,321 km (0.116 R)
• M14: 18,037,763 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.9

Radius: 10.4

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.48 AU - 5.38 AU

Year: 4161 Days

Day: 9.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,520,968 km

• M1: 129,402 km (0.093 R)
• M2: 609,013 km (0.109 R)
• M3: 951,891 km (0.07 R)
• M4: 1,385,575 km (0.085 R)
• M5: 1,830,928 km (0.098 R)
• M6: 2,764,569 km (0.066 R)
• M7: 3,478,001 km (0.053 R)
• M8: 4,623,322 km (0.071 R)
• M9: 5,572,221 km (0.058 R)
• M10: 6,741,329 km (0.113 R)
• M11: 8,658,426 km (0.107 R)
• M12: 9,357,945 km (0.031 R)
• M13: 10,607,237 km (0.105 R)
• M14: 11,226,871 km (0.106 R)
• M15: 12,201,502 km (0.11 R)
• M16: 13,031,022 km (0.103 R)
• M17: 13,793,672 km (0.101 R)
• M18: 14,212,396 km (0.051 R)
• M19: 15,632,529 km (0.12 R)
• M20: 17,265,240 km (0.105 R)
• M21: 18,816,420 km (0.071 R)
• M22: 19,724,629 km (0.103 R)
• M23: 20,323,768 km (0.077 R)
• M24: 24,786,123 km (0.07 R)
• M25: 25,798,302 km (0.11 R)
• M26: 27,408,873 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.7

Radius: 3.2

Gravity: 36.4 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 13.51 AU - 18.39 AU

Year: 28425 Days

Day: 15.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,520,968 km

• M1: 39,793 km (0.04 R)
• M2: 232,924 km (0.102 R)
• M3: 586,573 km (0.089 R)
• M4: 898,485 km (0.098 R)
• M5: 1,097,749 km (0.102 R)
• M6: 1,325,886 km (0.103 R)
• M7: 2,013,887 km (0.068 R)
• M8: 2,587,445 km (0.058 R)
• M9: 3,206,780 km (0.064 R)
• M10: 4,987,593 km (0.049 R)
• M11: 6,816,726 km (0.033 R)
• M12: 19,108,435 km (0.105 R)
• M13: 23,856,073 km (0.079 R)
• M14: 28,606,554 km (0.086 R)
• M15: 32,100,861 km (0.041 R)
• M16: 33,149,093 km (0.114 R)
• M17: 35,037,916 km (0.102 R)
• M18: 38,440,968 km (0.104 R)
• M19: 50,833,955 km (0.097 R)
• M20: 53,340,467 km (0.1 R)
• M21: 58,018,841 km (0.108 R)
• M22: 60,953,054 km (0.091 R)
• M23: 62,760,346 km (0.091 R)
• M24: 77,116,805 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 18,631 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit