🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.18 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594

Radius: 13.7

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.99 AU - 2.73 AU

Year: 1642 Days

Day: 6.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,727,935 km

• M1: 170,392 km (0.044 R)
• M2: 884,273 km (0.101 R)
• M3: 1,363,435 km (0.077 R)
• M4: 1,966,314 km (0.032 R)
• M5: 2,612,128 km (0.07 R)
• M6: 4,814,059 km (0.113 R)
• M7: 6,184,077 km (0.099 R)
• M8: 6,694,355 km (0.072 R)
• M9: 8,781,545 km (0.094 R)
• M10: 10,138,846 km (0.051 R)
• M11: 12,336,439 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.5

Radius: 13.1

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.16 AU - 2.82 AU

Year: 1780 Days

Day: 13.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 161.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,727,935 km

• M1: 162,912 km (0.118 R)
• M2: 838,047 km (0.102 R)
• M3: 1,487,751 km (0.119 R)
• M4: 2,544,510 km (0.038 R)
• M5: 2,974,604 km (0.085 R)
• M6: 4,681,067 km (0.089 R)
• M7: 5,230,540 km (0.098 R)
• M8: 8,710,186 km (0.072 R)
• M9: 9,918,040 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.5

Radius: 8.3

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.6 AU - 2.74 AU

Year: 1977 Days

Day: 5.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,727,935 km

• M1: 111,151 km (0.113 R)
• M2: 572,361 km (0.045 R)
• M3: 1,723,068 km (0.106 R)
• M4: 2,846,249 km (0.045 R)
• M5: 4,506,636 km (0.096 R)
• M6: 5,316,708 km (0.039 R)
• M7: 5,681,578 km (0.028 R)
• M8: 6,984,276 km (0.085 R)
• M9: 7,534,796 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936

Radius: 13.4

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 7.81 AU - 8.33 AU

Year: 10386 Days

Day: 8.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,727,935 km

• M1: 166,652 km (0.078 R)
• M2: 608,265 km (0.083 R)
• M3: 1,634,955 km (0.055 R)
• M4: 2,229,607 km (0.11 R)
• M5: 2,988,816 km (0.111 R)
• M6: 5,222,013 km (0.088 R)
• M7: 6,218,634 km (0.065 R)
• M8: 7,170,525 km (0.034 R)
• M9: 7,857,479 km (0.096 R)
• M10: 11,279,081 km (0.101 R)
• M11: 12,571,307 km (0.026 R)
• M12: 13,443,762 km (0.115 R)
• M13: 13,894,800 km (0.109 R)
• M14: 15,589,295 km (0.028 R)
• M15: 16,669,990 km (0.119 R)
• M16: 17,493,676 km (0.061 R)
• M17: 19,060,863 km (0.111 R)
• M18: 21,760,207 km (0.081 R)
• M19: 24,228,422 km (0.117 R)
• M20: 24,897,574 km (0.091 R)
• M21: 25,776,162 km (0.105 R)
• M22: 27,183,728 km (0.066 R)
• M23: 28,536,093 km (0.109 R)
• M24: 31,149,867 km (0.056 R)
• M25: 33,564,526 km (0.111 R)
• M26: 34,877,996 km (0.05 R)
• M27: 35,977,989 km (0.119 R)
• M28: 37,353,541 km (0.077 R)
• M29: 39,285,448 km (0.095 R)
• M30: 45,336,233 km (0.116 R)
• M31: 46,646,112 km (0.081 R)
• M32: 47,981,123 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.6

Radius: 6.7

Gravity: 13.91 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 9.75 AU - 14.47 AU

Year: 19092 Days

Day: 20.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,727,935 km

• M1: 83,625 km (0.038 R)
• M2: 680,970 km (0.096 R)
• M3: 908,059 km (0.026 R)
• M4: 1,474,137 km (0.099 R)
• M5: 1,702,723 km (0.112 R)
• M6: 2,051,286 km (0.1 R)
• M7: 4,759,755 km (0.101 R)
• M8: 5,339,148 km (0.081 R)
• M9: 6,337,115 km (0.073 R)
• M10: 7,313,541 km (0.068 R)
• M11: 7,985,086 km (0.114 R)
• M12: 11,024,316 km (0.115 R)
• M13: 11,777,242 km (0.109 R)
• M14: 13,384,970 km (0.044 R)
• M15: 20,069,602 km (0.112 R)
• M16: 22,155,145 km (0.054 R)
• M17: 22,748,002 km (0.055 R)
• M18: 26,199,823 km (0.075 R)
• M19: 30,346,676 km (0.1 R)
• M20: 31,447,866 km (0.112 R)
• M21: 32,575,385 km (0.104 R)
• M22: 35,043,750 km (0.07 R)
• M23: 39,912,114 km (0.116 R)
• M24: 44,740,983 km (0.107 R)
• M25: 45,846,811 km (0.109 R)
• M26: 51,134,946 km (0.082 R)
• M27: 53,571,147 km (0.112 R)
• M28: 55,901,583 km (0.101 R)
• M29: 62,706,191 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 514.9

Radius: 3.8

Gravity: 35.66 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 12.27 AU - 13.79 AU

Year: 21308 Days

Day: 22.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,727,935 km

• M1: 47,273 km (0.113 R)
• M2: 433,834 km (0.048 R)
• M3: 879,785 km (0.106 R)
• M4: 1,069,326 km (0.043 R)
• M5: 1,344,286 km (0.083 R)
• M6: 4,130,996 km (0.088 R)
• M7: 4,802,840 km (0.058 R)
• M8: 6,707,221 km (0.107 R)
• M9: 7,021,526 km (0.11 R)
• M10: 7,298,581 km (0.087 R)
• M11: 9,840,997 km (0.088 R)
• M12: 11,403,696 km (0.113 R)
• M13: 14,560,062 km (0.066 R)
• M14: 15,086,496 km (0.047 R)
• M15: 16,578,885 km (0.049 R)
• M16: 17,318,945 km (0.03 R)
• M17: 17,654,793 km (0.116 R)
• M18: 21,160,918 km (0.102 R)
• M19: 24,784,627 km (0.093 R)
• M20: 25,969,293 km (0.034 R)
• M21: 33,878,831 km (0.106 R)
• M22: 34,934,693 km (0.098 R)
• M23: 36,148,381 km (0.119 R)
• M24: 49,363,258 km (0.086 R)
• M25: 58,809,765 km (0.095 R)
• M26: 70,877,526 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.8

Radius: 7.6

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 12.33 AU - 13.73 AU

Year: 21308 Days

Day: 17.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,727,935 km

• M1: 94,546 km (0.096 R)
• M2: 1,635,404 km (0.088 R)
• M3: 1,989,652 km (0.106 R)
• M4: 2,541,219 km (0.119 R)
• M5: 3,447,932 km (0.116 R)
• M6: 3,831,351 km (0.108 R)
• M7: 4,948,997 km (0.109 R)
• M8: 5,365,926 km (0.114 R)
• M9: 9,909,812 km (0.095 R)
• M10: 10,629,078 km (0.087 R)
• M11: 12,610,801 km (0.079 R)
• M12: 15,328,097 km (0.082 R)
• M13: 15,914,820 km (0.107 R)
• M14: 18,659,342 km (0.11 R)
• M15: 18,908,423 km (0.091 R)
• M16: 19,754,399 km (0.084 R)
• M17: 21,250,378 km (0.059 R)
• M18: 22,820,258 km (0.044 R)
• M19: 26,606,131 km (0.114 R)
• M20: 27,560,565 km (0.099 R)
• M21: 36,032,143 km (0.111 R)
• M22: 36,807,808 km (0.113 R)
• M23: 39,337,358 km (0.057 R)
• M24: 39,610,225 km (0.114 R)
• M25: 40,714,108 km (0.111 R)
• M26: 41,133,431 km (0.083 R)
• M27: 41,980,454 km (0.116 R)
• M28: 45,485,532 km (0.1 R)
• M29: 47,772,434 km (0.049 R)
• M30: 50,134,884 km (0.066 R)
• M31: 50,455,622 km (0.112 R)
• M32: 59,463,508 km (0.089 R)
• M33: 59,822,992 km (0.107 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 17,148 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit