🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.4

Radius: 14.3

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.52 AU - 0.6 AU

Year: 289 Days

Day: 6.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,243,678 km

• M1: 177,872 km (0.106 R)
• M2: 635,941 km (0.077 R)
• M3: 1,328,878 km (0.105 R)
• M4: 1,830,330 km (0.114 R)
• M5: 2,467,168 km (0.087 R)
• M6: 3,132,131 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246

Radius: 9.3

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.54 AU - 0.64 AU

Year: 313 Days

Day: 13.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,243,678 km

• M1: 115,639 km (0.094 R)
• M2: 407,505 km (0.087 R)
• M3: 698,622 km (0.116 R)
• M4: 1,212,341 km (0.099 R)
• M5: 1,950,008 km (0.061 R)
• M6: 2,252,046 km (0.106 R)
• M7: 2,881,405 km (0.05 R)
• M8: 3,256,746 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.6

Radius: 9.6

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.7 AU - 0.76 AU

Year: 431 Days

Day: 13.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,243,678 km

• M1: 119,529 km (0.095 R)
• M2: 506,090 km (0.043 R)
• M3: 919,877 km (0.116 R)
• M4: 1,474,287 km (0.108 R)
• M5: 1,832,125 km (0.03 R)
• M6: 2,193,853 km (0.093 R)
• M7: 2,705,477 km (0.074 R)
• M8: 3,247,770 km (0.118 R)
• M9: 3,704,043 km (0.07 R)
• M10: 4,230,777 km (0.058 R)
• M11: 4,994,175 km (0.092 R)
• M12: 5,334,211 km (0.096 R)
• M13: 5,846,734 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.7

Radius: 12.9

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.36 AU - 1.4 AU

Year: 1119 Days

Day: 11.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,243,678 km

• M1: 160,369 km (0.092 R)
• M2: 649,554 km (0.082 R)
• M3: 1,136,046 km (0.099 R)
• M4: 1,615,507 km (0.095 R)
• M5: 2,065,947 km (0.071 R)
• M6: 2,501,576 km (0.116 R)
• M7: 3,272,005 km (0.04 R)
• M8: 4,576,648 km (0.105 R)
• M9: 5,223,509 km (0.072 R)
• M10: 6,507,807 km (0.113 R)
• M11: 7,883,808 km (0.115 R)
• M12: 8,496,860 km (0.112 R)
• M13: 9,081,638 km (0.084 R)
• M14: 9,755,876 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.6

Radius: 8.5

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.79 AU - 2.33 AU

Year: 2041 Days

Day: 7.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,243,678 km

• M1: 105,915 km (0.092 R)
• M2: 388,954 km (0.067 R)
• M3: 717,322 km (0.111 R)
• M4: 1,119,441 km (0.03 R)
• M5: 1,615,956 km (0.073 R)
• M6: 2,305,154 km (0.045 R)
• M7: 2,593,429 km (0.097 R)
• M8: 4,095,242 km (0.089 R)
• M9: 4,842,782 km (0.075 R)
• M10: 5,508,792 km (0.1 R)
• M11: 5,951,901 km (0.058 R)
• M12: 6,853,976 km (0.083 R)
• M13: 7,663,001 km (0.107 R)
• M14: 8,960,464 km (0.117 R)
• M15: 9,297,956 km (0.059 R)
• M16: 9,820,053 km (0.087 R)
• M17: 10,771,346 km (0.029 R)
• M18: 11,583,513 km (0.089 R)
• M19: 12,602,873 km (0.082 R)
• M20: 13,416,685 km (0.101 R)
• M21: 15,774,198 km (0.068 R)
• M22: 17,543,641 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.6

Radius: 7

Gravity: 16.5 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.22 AU - 8.84 AU

Year: 15707 Days

Day: 19.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,243,678 km

• M1: 91,404 km (0.1 R)
• M2: 1,261,110 km (0.085 R)
• M3: 1,571,675 km (0.081 R)
• M4: 2,348,238 km (0.088 R)
• M5: 3,466,332 km (0.1 R)
• M6: 4,662,068 km (0.085 R)
• M7: 5,522,405 km (0.11 R)
• M8: 6,654,712 km (0.069 R)
• M9: 8,031,760 km (0.117 R)
• M10: 10,092,770 km (0.079 R)
• M11: 10,496,834 km (0.119 R)
• M12: 11,153,419 km (0.086 R)
• M13: 14,342,546 km (0.087 R)
• M14: 18,176,440 km (0.094 R)
• M15: 18,947,917 km (0.076 R)
• M16: 21,582,485 km (0.1 R)
• M17: 24,658,217 km (0.095 R)
• M18: 27,789,151 km (0.065 R)
• M19: 30,334,110 km (0.093 R)
• M20: 31,296,772 km (0.111 R)
• M21: 34,957,582 km (0.118 R)
• M22: 38,753,478 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.5

Radius: 3.6

Gravity: 28.05 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.05 AU - 8.87 AU

Year: 16985 Days

Day: 17.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,243,678 km

• M1: 44,879 km (0.038 R)
• M2: 199,564 km (0.042 R)
• M3: 335,548 km (0.073 R)
• M4: 585,676 km (0.094 R)
• M5: 807,829 km (0.071 R)
• M6: 1,180,327 km (0.113 R)
• M7: 1,322,595 km (0.07 R)
• M8: 1,992,644 km (0.114 R)
• M9: 2,514,291 km (0.037 R)
• M10: 2,728,964 km (0.08 R)
• M11: 3,498,645 km (0.113 R)
• M12: 5,417,537 km (0.109 R)
• M13: 5,886,078 km (0.1 R)
• M14: 6,073,374 km (0.051 R)
• M15: 6,618,659 km (0.118 R)
• M16: 7,324,013 km (0.1 R)
• M17: 13,979,023 km (0.062 R)
• M18: 14,379,647 km (0.117 R)
• M19: 19,551,694 km (0.057 R)
• M20: 20,136,921 km (0.099 R)
• M21: 20,647,648 km (0.111 R)
• M22: 21,079,836 km (0.094 R)
• M23: 21,429,895 km (0.117 R)
• M24: 23,706,326 km (0.088 R)
• M25: 24,951,429 km (0.119 R)
• M26: 27,260,023 km (0.098 R)
• M27: 30,036,410 km (0.116 R)
• M28: 31,950,216 km (0.111 R)
• M29: 37,150,686 km (0.052 R)
• M30: 37,533,208 km (0.049 R)
• M31: 41,230,968 km (0.11 R)
• M32: 48,576,673 km (0.098 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 20,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit