🌌 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: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.5

Radius: 8.6

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.65 AU - 1.07 AU

Year: 523 Days

Day: 13.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,179,455 km

• M1: 106,962 km (0.054 R)
• M2: 421,118 km (0.044 R)
• M3: 726,148 km (0.05 R)
• M4: 1,729,052 km (0.053 R)
• M5: 2,600,909 km (0.076 R)
• M6: 2,907,883 km (0.069 R)
• M7: 3,362,362 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.4

Radius: 11.4

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.95 AU - 1.07 AU

Year: 666 Days

Day: 7.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,179,455 km

• M1: 141,819 km (0.108 R)
• M2: 545,733 km (0.116 R)
• M3: 1,088,175 km (0.054 R)
• M4: 1,469,949 km (0.089 R)
• M5: 2,424,832 km (0.098 R)
• M6: 2,782,520 km (0.092 R)
• M7: 3,200,048 km (0.066 R)
• M8: 4,431,089 km (0.096 R)
• M9: 4,839,790 km (0.107 R)
• M10: 5,377,445 km (0.093 R)
• M11: 5,825,042 km (0.12 R)
• M12: 6,612,974 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.8

Radius: 11.8

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.11 AU - 1.17 AU

Year: 798 Days

Day: 6.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,179,455 km

• M1: 146,756 km (0.054 R)
• M2: 584,479 km (0.092 R)
• M3: 1,332,169 km (0.079 R)
• M4: 1,913,506 km (0.083 R)
• M5: 2,387,582 km (0.117 R)
• M6: 2,877,066 km (0.101 R)
• M7: 3,377,172 km (0.047 R)
• M8: 4,107,509 km (0.102 R)
• M9: 4,485,243 km (0.112 R)
• M10: 8,719,910 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.6

Radius: 14.8

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.13 AU - 1.43 AU

Year: 950 Days

Day: 6.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,179,455 km

• M1: 184,155 km (0.114 R)
• M2: 825,481 km (0.03 R)
• M3: 1,420,581 km (0.113 R)
• M4: 2,250,999 km (0.118 R)
• M5: 2,825,904 km (0.085 R)
• M6: 3,582,869 km (0.101 R)
• M7: 4,325,174 km (0.037 R)
• M8: 5,186,558 km (0.12 R)
• M9: 5,875,606 km (0.049 R)
• M10: 6,368,531 km (0.075 R)
• M11: 7,321,170 km (0.059 R)
• M12: 8,115,385 km (0.099 R)
• M13: 8,676,228 km (0.085 R)

Asteroid Belt

Center: 1.56 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.8

Radius: 8.4

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.48 AU - 2.18 AU

Year: 1624 Days

Day: 12.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,179,455 km

• M1: 105,018 km (0.109 R)
• M2: 432,637 km (0.111 R)
• M3: 709,991 km (0.11 R)
• M4: 1,091,316 km (0.065 R)
• M5: 1,597,406 km (0.082 R)
• M6: 2,175,303 km (0.08 R)
• M7: 2,495,143 km (0.071 R)
• M8: 3,360,866 km (0.065 R)
• M9: 4,068,763 km (0.098 R)
• M10: 4,431,538 km (0.077 R)
• M11: 5,045,338 km (0.071 R)
• M12: 6,673,711 km (0.116 R)
• M13: 7,105,600 km (0.097 R)
• M14: 7,946,041 km (0.089 R)
• M15: 8,321,830 km (0.116 R)
• M16: 9,138,336 km (0.027 R)
• M17: 10,799,470 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.9

Radius: 7

Gravity: 16.61 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.88 AU - 9.14 AU

Year: 13501 Days

Day: 20.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,179,455 km

• M1: 140,173 km (0.118 R)
• M2: 454,329 km (0.117 R)
• M3: 811,419 km (0.113 R)
• M4: 1,078,152 km (0.073 R)
• M5: 1,505,553 km (0.105 R)
• M6: 1,742,516 km (0.104 R)
• M7: 4,324,126 km (0.075 R)
• M8: 4,942,414 km (0.095 R)
• M9: 5,805,893 km (0.119 R)
• M10: 8,496,860 km (0.027 R)
• M11: 12,422,009 km (0.059 R)
• M12: 14,282,558 km (0.116 R)
• M13: 15,279,179 km (0.099 R)
• M14: 16,859,979 km (0.111 R)
• M15: 25,694,481 km (0.102 R)
• M16: 27,704,030 km (0.107 R)
• M17: 38,119,333 km (0.108 R)
• M18: 42,003,043 km (0.119 R)
• M19: 56,958,641 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.3

Radius: 4.3

Gravity: 32.9 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 6.62 AU - 8.64 AU

Year: 13826 Days

Day: 18.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,179,455 km

• M1: 53,556 km (0.109 R)
• M2: 220,507 km (0.092 R)
• M3: 433,086 km (0.113 R)
• M4: 730,486 km (0.085 R)
• M5: 956,828 km (0.114 R)
• M6: 1,320,949 km (0.077 R)
• M7: 1,475,783 km (0.114 R)
• M8: 1,626,877 km (0.077 R)
• M9: 2,481,829 km (0.091 R)
• M10: 3,600,970 km (0.086 R)
• M11: 4,853,703 km (0.114 R)
• M12: 7,498,294 km (0.12 R)
• M13: 9,300,948 km (0.107 R)
• M14: 15,028,752 km (0.092 R)
• M15: 19,148,079 km (0.113 R)
• M16: 23,769,905 km (0.118 R)
• M17: 28,325,908 km (0.071 R)
• M18: 29,192,379 km (0.108 R)
• M19: 42,396,186 km (0.084 R)
• M20: 49,497,298 km (0.082 R)
• M21: 54,481,001 km (0.094 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: 221 - 19,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit