🌌 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: 577.9

Radius: 9.9

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.42 AU - 0.7 AU

Year: 295 Days

Day: 8 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,203,265 km

• M1: 123,119 km (0.085 R)
• M2: 470,934 km (0.118 R)
• M3: 844,480 km (0.061 R)
• M4: 1,213,089 km (0.051 R)
• M5: 1,606,232 km (0.111 R)
• M6: 2,130,124 km (0.113 R)
• M7: 2,682,290 km (0.091 R)
• M8: 2,992,855 km (0.113 R)
• M9: 3,327,655 km (0.058 R)
• M10: 4,158,372 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.8

Radius: 11.9

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.78 AU - 0.84 AU

Year: 512 Days

Day: 14.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,203,265 km

• M1: 148,999 km (0.093 R)
• M2: 523,144 km (0.091 R)
• M3: 920,924 km (0.098 R)
• M4: 1,303,596 km (0.073 R)
• M5: 1,810,733 km (0.113 R)
• M6: 2,250,700 km (0.1 R)
• M7: 2,783,119 km (0.088 R)
• M8: 3,350,095 km (0.087 R)
• M9: 3,844,815 km (0.108 R)
• M10: 4,229,880 km (0.092 R)
• M11: 4,950,343 km (0.088 R)
• M12: 5,474,983 km (0.112 R)
• M13: 6,406,828 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123

Radius: 10.2

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.87 AU - 1.09 AU

Year: 682 Days

Day: 14.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,203,265 km

• M1: 126,859 km (0.095 R)
• M2: 463,604 km (0.063 R)
• M3: 901,327 km (0.069 R)
• M4: 1,399,638 km (0.102 R)
• M5: 1,897,350 km (0.065 R)
• M6: 2,792,543 km (0.078 R)
• M7: 3,324,962 km (0.109 R)
• M8: 3,770,465 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.9

Radius: 12.8

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.21 AU - 1.29 AU

Year: 982 Days

Day: 5.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,203,265 km

• M1: 159,172 km (0.107 R)
• M2: 696,827 km (0.118 R)
• M3: 1,349,971 km (0.068 R)
• M4: 1,929,065 km (0.04 R)
• M5: 2,693,360 km (0.119 R)
• M6: 3,499,393 km (0.108 R)
• M7: 4,056,645 km (0.063 R)
• M8: 4,672,689 km (0.079 R)
• M9: 5,277,962 km (0.069 R)
• M10: 5,954,594 km (0.118 R)
• M11: 6,624,942 km (0.081 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: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.2

Radius: 11.3

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.51 AU - 2.21 AU

Year: 1783 Days

Day: 7.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,203,265 km

• M1: 140,472 km (0.108 R)
• M2: 504,444 km (0.077 R)
• M3: 915,539 km (0.111 R)
• M4: 1,352,664 km (0.094 R)
• M5: 1,980,227 km (0.086 R)
• M6: 2,561,415 km (0.105 R)
• M7: 3,804,274 km (0.055 R)
• M8: 5,327,180 km (0.108 R)
• M9: 6,112,868 km (0.042 R)
• M10: 6,892,572 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.4

Radius: 4.9

Gravity: 13.72 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.6 AU - 6.46 AU

Year: 9141 Days

Day: 21.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,203,265 km

• M1: 61,335 km (0.079 R)
• M2: 219,610 km (0.093 R)
• M3: 431,739 km (0.063 R)
• M4: 1,329,925 km (0.043 R)
• M5: 1,498,372 km (0.082 R)
• M6: 1,967,960 km (0.086 R)
• M7: 2,320,712 km (0.096 R)
• M8: 3,680,257 km (0.1 R)
• M9: 4,968,744 km (0.084 R)
• M10: 6,195,596 km (0.1 R)
• M11: 11,163,442 km (0.115 R)
• M12: 11,410,129 km (0.119 R)
• M13: 12,967,443 km (0.11 R)
• M14: 13,130,654 km (0.025 R)
• M15: 15,683,691 km (0.109 R)
• M16: 19,600,911 km (0.098 R)
• M17: 19,815,884 km (0.065 R)
• M18: 20,840,031 km (0.085 R)
• M19: 25,037,148 km (0.09 R)
• M20: 26,581,597 km (0.08 R)
• M21: 27,916,309 km (0.116 R)
• M22: 30,815,067 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.2

Radius: 4.7

Gravity: 25.86 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5 AU - 6.2 AU

Year: 9315 Days

Day: 19.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,203,265 km

• M1: 58,493 km (0.08 R)
• M2: 284,834 km (0.062 R)
• M3: 779,405 km (0.116 R)
• M4: 971,788 km (0.105 R)
• M5: 1,150,557 km (0.112 R)
• M6: 1,363,585 km (0.111 R)
• M7: 2,080,158 km (0.113 R)
• M8: 3,475,159 km (0.045 R)
• M9: 4,214,172 km (0.119 R)
• M10: 5,658,988 km (0.04 R)
• M11: 11,218,494 km (0.082 R)
• M12: 17,472,433 km (0.057 R)
• M13: 17,899,385 km (0.107 R)
• M14: 18,260,664 km (0.102 R)
• M15: 19,373,223 km (0.065 R)
• M16: 20,687,890 km (0.109 R)
• M17: 21,488,388 km (0.101 R)
• M18: 22,896,403 km (0.115 R)
• M19: 25,347,564 km (0.085 R)
• M20: 26,078,798 km (0.114 R)
• M21: 27,392,118 km (0.106 R)
• M22: 36,786,715 km (0.102 R)
• M23: 40,381,252 km (0.055 R)
• M24: 42,774,818 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.2

Radius: 3.3

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.87 AU - 6.63 AU

Year: 10983 Days

Day: 18.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,203,265 km

• M1: 49,517 km (0.1 R)
• M2: 175,329 km (0.096 R)
• M3: 378,782 km (0.1 R)
• M4: 549,623 km (0.076 R)
• M5: 717,172 km (0.097 R)
• M6: 1,261,110 km (0.068 R)
• M7: 1,643,931 km (0.102 R)
• M8: 1,919,640 km (0.094 R)
• M9: 2,688,423 km (0.032 R)
• M10: 2,932,866 km (0.105 R)
• M11: 3,941,904 km (0.038 R)
• M12: 5,304,890 km (0.107 R)
• M13: 5,569,080 km (0.079 R)
• M14: 13,882,682 km (0.075 R)
• M15: 13,992,936 km (0.067 R)
• M16: 15,658,559 km (0.112 R)
• M17: 16,018,940 km (0.079 R)
• M18: 17,007,034 km (0.068 R)
• M19: 21,147,005 km (0.086 R)
• M20: 22,410,060 km (0.111 R)
• M21: 22,867,680 km (0.097 R)
• M22: 23,880,308 km (0.101 R)
• M23: 26,162,124 km (0.079 R)
• M24: 27,703,282 km (0.081 R)
• M25: 29,485,441 km (0.076 R)
• M26: 30,219,368 km (0.096 R)
• M27: 31,059,211 km (0.114 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: 480 - 13,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit