🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.1

Radius: 12.7

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.65 AU - 0.71 AU

Year: 387 Days

Day: 11.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 45,236,261 km

• M1: 158,574 km (0.108 R)
• M2: 558,748 km (0.064 R)
• M3: 1,044,343 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.1

Radius: 9.4

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.48 AU - 1.56 AU

Year: 1294 Days

Day: 5.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,236,261 km

• M1: 116,836 km (0.099 R)
• M2: 469,588 km (0.108 R)
• M3: 823,985 km (0.067 R)
• M4: 1,125,275 km (0.064 R)
• M5: 1,518,418 km (0.098 R)
• M6: 1,972,298 km (0.085 R)
• M7: 2,331,184 km (0.117 R)
• M8: 3,223,834 km (0.034 R)
• M9: 3,882,364 km (0.088 R)
• M10: 4,627,810 km (0.081 R)
• M11: 5,208,100 km (0.062 R)
• M12: 5,546,491 km (0.103 R)
• M13: 5,899,691 km (0.118 R)
• M14: 6,245,711 km (0.088 R)
• M15: 7,818,882 km (0.085 R)
• M16: 8,343,821 km (0.117 R)
• M17: 8,864,123 km (0.044 R)
• M18: 9,522,802 km (0.073 R)
• M19: 10,555,775 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297

Radius: 9

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.4 AU - 1.66 AU

Year: 1306 Days

Day: 11.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 69.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,236,261 km

• M1: 112,049 km (0.041 R)
• M2: 992,731 km (0.041 R)
• M3: 2,321,909 km (0.085 R)
• M4: 2,716,997 km (0.12 R)
• M5: 4,908,007 km (0.067 R)
• M6: 5,465,109 km (0.115 R)
• M7: 5,799,311 km (0.033 R)
• M8: 6,230,751 km (0.073 R)
• M9: 8,482,349 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.3

Radius: 8

Gravity: 13.38 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.94 AU - 1.96 AU

Year: 1880 Days

Day: 8.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,236,261 km

• M1: 99,483 km (0.059 R)
• M2: 710,291 km (0.038 R)
• M3: 1,438,683 km (0.097 R)
• M4: 2,068,939 km (0.104 R)
• M5: 2,649,977 km (0.093 R)
• M6: 3,202,442 km (0.096 R)
• M7: 4,453,080 km (0.115 R)
• M8: 4,919,975 km (0.081 R)
• M9: 5,442,520 km (0.099 R)
• M10: 6,544,757 km (0.101 R)
• M11: 8,309,713 km (0.111 R)
• M12: 8,951,637 km (0.077 R)
• M13: 9,591,767 km (0.085 R)
• M14: 9,940,629 km (0.062 R)
• M15: 10,590,183 km (0.115 R)
• M16: 11,038,677 km (0.106 R)
• M17: 12,584,173 km (0.036 R)
• M18: 15,424,438 km (0.06 R)
• M19: 16,245,282 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.1

Radius: 14.2

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.89 AU - 2.15 AU

Year: 1982 Days

Day: 7.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,236,261 km

• M1: 176,825 km (0.105 R)
• M2: 651,349 km (0.088 R)
• M3: 1,214,136 km (0.082 R)
• M4: 1,665,024 km (0.073 R)
• M5: 3,871,593 km (0.119 R)
• M6: 5,682,774 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.1

Radius: 12.6

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.12 AU - 3.24 AU

Year: 3028 Days

Day: 13.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,236,261 km

• M1: 156,629 km (0.118 R)
• M2: 676,482 km (0.08 R)
• M3: 1,304,194 km (0.09 R)
• M4: 1,898,995 km (0.105 R)
• M5: 2,623,947 km (0.074 R)
• M6: 4,763,795 km (0.095 R)
• M7: 5,418,584 km (0.038 R)
• M8: 6,469,958 km (0.075 R)
• M9: 6,938,948 km (0.051 R)
• M10: 7,367,845 km (0.112 R)
• M11: 8,974,825 km (0.07 R)
• M12: 9,671,652 km (0.109 R)
• M13: 10,804,557 km (0.1 R)
• M14: 12,155,126 km (0.074 R)
• M15: 12,734,818 km (0.089 R)
• M16: 13,193,335 km (0.101 R)
• M17: 14,338,806 km (0.082 R)
• M18: 14,734,941 km (0.111 R)
• M19: 15,809,952 km (0.032 R)
• M20: 16,936,573 km (0.12 R)
• M21: 18,173,598 km (0.086 R)
• M22: 19,229,609 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.8

Radius: 12.7

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.78 AU - 5.38 AU

Year: 7903 Days

Day: 8.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,236,261 km

• M1: 162,613 km (0.03 R)
• M2: 671,395 km (0.109 R)
• M3: 1,116,000 km (0.118 R)
• M4: 2,957,251 km (0.113 R)
• M5: 3,971,823 km (0.05 R)
• M6: 5,081,241 km (0.107 R)
• M7: 6,983,677 km (0.112 R)
• M8: 9,416,139 km (0.106 R)
• M9: 12,825,474 km (0.107 R)
• M10: 13,655,144 km (0.116 R)
• M11: 21,304,083 km (0.12 R)
• M12: 22,299,059 km (0.067 R)
• M13: 23,151,617 km (0.111 R)
• M14: 25,378,232 km (0.091 R)
• M15: 26,971,598 km (0.068 R)
• M16: 29,536,155 km (0.05 R)
• M17: 31,298,418 km (0.108 R)
• M18: 31,936,752 km (0.103 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: 340 - 15,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit