🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.4

Radius: 14.1

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.82 AU - 1.28 AU

Year: 695 Days

Day: 13.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 152.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,460,006 km

• M1: 175,329 km (0.109 R)
• M2: 632,350 km (0.061 R)
• M3: 1,154,447 km (0.099 R)
• M4: 2,601,956 km (0.077 R)
• M5: 3,233,109 km (0.047 R)
• M6: 3,687,887 km (0.108 R)
• M7: 4,171,836 km (0.07 R)
• M8: 4,962,012 km (0.103 R)
• M9: 5,832,372 km (0.101 R)
• M10: 6,398,301 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.4

Radius: 13.1

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.99 AU - 1.31 AU

Year: 796 Days

Day: 6.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,460,006 km

• M1: 163,211 km (0.118 R)
• M2: 616,194 km (0.088 R)
• M3: 1,034,020 km (0.064 R)
• M4: 1,892,712 km (0.107 R)
• M5: 2,429,918 km (0.056 R)
• M6: 3,068,103 km (0.099 R)
• M7: 3,503,283 km (0.113 R)
• M8: 3,979,752 km (0.077 R)
• M9: 4,454,576 km (0.12 R)
• M10: 5,080,942 km (0.114 R)
• M11: 5,623,683 km (0.078 R)
• M12: 6,056,021 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.3

Radius: 14.1

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.34 AU - 1.9 AU

Year: 1331 Days

Day: 6.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,460,006 km

• M1: 175,927 km (0.038 R)
• M2: 643,420 km (0.116 R)
• M3: 1,121,834 km (0.094 R)
• M4: 2,057,270 km (0.119 R)
• M5: 2,696,502 km (0.117 R)
• M6: 3,260,785 km (0.025 R)
• M7: 4,238,856 km (0.076 R)
• M8: 5,303,095 km (0.096 R)
• M9: 6,106,884 km (0.096 R)
• M10: 6,561,811 km (0.085 R)
• M11: 7,137,763 km (0.082 R)
• M12: 7,799,584 km (0.115 R)
• M13: 8,529,921 km (0.11 R)
• M14: 9,100,038 km (0.119 R)
• M15: 10,964,626 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.9

Radius: 14

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.28 AU - 2.46 AU

Year: 2356 Days

Day: 10.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,460,006 km

• M1: 174,132 km (0.041 R)
• M2: 629,059 km (0.062 R)
• M3: 1,077,553 km (0.068 R)
• M4: 1,839,455 km (0.106 R)
• M5: 2,417,801 km (0.116 R)
• M6: 3,020,082 km (0.042 R)
• M7: 3,505,527 km (0.091 R)
• M8: 4,004,436 km (0.052 R)
• M9: 4,446,049 km (0.058 R)
• M10: 5,124,026 km (0.092 R)
• M11: 7,520,135 km (0.118 R)
• M12: 9,150,752 km (0.09 R)
• M13: 11,122,901 km (0.111 R)
• M14: 12,928,248 km (0.054 R)
• M15: 13,810,576 km (0.059 R)
• M16: 17,113,398 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.1

Radius: 10.3

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.1 AU - 5.1 AU

Year: 5360 Days

Day: 12.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,460,006 km

• M1: 128,654 km (0.074 R)
• M2: 455,226 km (0.094 R)
• M3: 914,791 km (0.108 R)
• M4: 1,345,483 km (0.111 R)
• M5: 1,933,702 km (0.107 R)
• M6: 2,268,353 km (0.079 R)
• M7: 2,730,610 km (0.069 R)
• M8: 4,655,336 km (0.119 R)
• M9: 5,747,849 km (0.11 R)
• M10: 6,288,047 km (0.099 R)
• M11: 7,926,144 km (0.095 R)
• M12: 11,260,830 km (0.104 R)
• M13: 12,652,539 km (0.086 R)
• M14: 13,478,469 km (0.079 R)
• M15: 14,432,903 km (0.112 R)
• M16: 17,407,807 km (0.078 R)
• M17: 17,779,557 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.3

Radius: 8.9

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.38 AU - 5.42 AU

Year: 7003 Days

Day: 6.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,460,006 km

• M1: 114,442 km (0.113 R)
• M2: 415,134 km (0.105 R)
• M3: 729,589 km (0.098 R)
• M4: 1,115,701 km (0.096 R)
• M5: 2,105,440 km (0.12 R)
• M6: 2,612,278 km (0.098 R)
• M7: 3,048,655 km (0.118 R)
• M8: 3,392,581 km (0.108 R)
• M9: 4,957,973 km (0.092 R)
• M10: 5,272,876 km (0.087 R)
• M11: 5,741,865 km (0.106 R)
• M12: 6,298,669 km (0.071 R)
• M13: 6,605,943 km (0.084 R)
• M14: 7,053,091 km (0.073 R)
• M15: 7,418,409 km (0.087 R)
• M16: 7,831,299 km (0.073 R)
• M17: 10,553,083 km (0.12 R)
• M18: 11,707,380 km (0.087 R)
• M19: 12,032,157 km (0.077 R)
• M20: 13,091,908 km (0.101 R)
• M21: 13,746,698 km (0.089 R)
• M22: 14,265,204 km (0.061 R)
• M23: 15,341,112 km (0.082 R)
• M24: 21,131,597 km (0.063 R)
• M25: 21,822,290 km (0.106 R)
• M26: 23,762,275 km (0.037 R)
• M27: 24,509,218 km (0.106 R)
• M28: 25,814,609 km (0.082 R)
• M29: 26,444,715 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.1

Radius: 3.5

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.03 AU - 7.39 AU

Year: 9992 Days

Day: 19.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,460,006 km

• M1: 43,982 km (0.066 R)
• M2: 179,069 km (0.084 R)
• M3: 340,485 km (0.07 R)
• M4: 640,279 km (0.093 R)
• M5: 866,770 km (0.115 R)
• M6: 3,131,083 km (0.093 R)
• M7: 6,354,618 km (0.053 R)
• M8: 7,412,275 km (0.036 R)
• M9: 8,582,131 km (0.059 R)
• M10: 10,693,256 km (0.11 R)
• M11: 11,003,821 km (0.105 R)
• M12: 13,348,169 km (0.061 R)
• M13: 14,731,501 km (0.12 R)
• M14: 17,617,543 km (0.051 R)
• M15: 18,379,894 km (0.046 R)

Asteroid Belt

Center: 8.57 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.9

Radius: 3

Gravity: 48.43 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 9.59 AU - 12.25 AU

Year: 23300 Days

Day: 20.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,460,006 km

• M1: 566,078 km (0.09 R)
• M2: 698,472 km (0.093 R)
• M3: 1,001,408 km (0.106 R)
• M4: 1,266,645 km (0.085 R)
• M5: 3,011,256 km (0.11 R)
• M6: 3,559,083 km (0.109 R)
• M7: 4,568,869 km (0.112 R)
• M8: 5,675,743 km (0.113 R)
• M9: 8,768,081 km (0.111 R)
• M10: 11,955,712 km (0.101 R)
• M11: 12,284,828 km (0.098 R)
• M12: 14,314,571 km (0.053 R)
• M13: 19,743,329 km (0.085 R)
• M14: 21,916,986 km (0.047 R)
• M15: 22,113,258 km (0.113 R)
• M16: 22,211,843 km (0.115 R)
• M17: 22,909,867 km (0.059 R)
• M18: 24,984,939 km (0.106 R)
• M19: 27,408,275 km (0.092 R)
• M20: 32,843,764 km (0.12 R)
• M21: 33,748,980 km (0.051 R)
• M22: 34,537,960 km (0.085 R)
• M23: 47,563,596 km (0.079 R)
• M24: 51,093,058 km (0.047 R)
• M25: 67,369,755 km (0.054 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: 248 - 18,763 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit