🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.2

Radius: 14

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.6 AU - 0.84 AU

Year: 422 Days

Day: 14.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,700,718 km

• M1: 179,667 km (0.114 R)
• M2: 634,744 km (0.109 R)
• M3: 1,640,939 km (0.084 R)
• M4: 2,236,488 km (0.079 R)
• M5: 2,839,517 km (0.083 R)
• M6: 3,505,677 km (0.087 R)
• M7: 3,990,224 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.7

Radius: 10.8

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.59 AU - 0.95 AU

Year: 466 Days

Day: 12.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,700,718 km

• M1: 134,339 km (0.096 R)
• M2: 514,916 km (0.117 R)
• M3: 1,011,880 km (0.059 R)
• M4: 1,780,215 km (0.118 R)
• M5: 2,180,688 km (0.105 R)
• M6: 2,737,043 km (0.116 R)
• M7: 4,412,838 km (0.051 R)
• M8: 5,582,843 km (0.055 R)
• M9: 6,908,130 km (0.109 R)

Asteroid Belt

Center: 1.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.1

Radius: 14

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.35 AU - 1.37 AU

Year: 1095 Days

Day: 10 Hours

Environment

Temp: -183 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,700,718 km

• M1: 174,282 km (0.091 R)
• M2: 941,569 km (0.087 R)
• M3: 1,384,528 km (0.04 R)
• M4: 1,971,550 km (0.101 R)
• M5: 2,619,459 km (0.071 R)
• M6: 3,545,769 km (0.106 R)
• M7: 4,078,038 km (0.118 R)
• M8: 5,193,888 km (0.106 R)
• M9: 5,647,170 km (0.052 R)
• M10: 6,085,791 km (0.057 R)
• M11: 6,590,534 km (0.07 R)
• M12: 7,077,625 km (0.1 R)
• M13: 8,275,006 km (0.102 R)
• M14: 8,816,700 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.3

Radius: 15

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.23 AU - 1.79 AU

Year: 1281 Days

Day: 10.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,700,718 km

• M1: 186,549 km (0.029 R)
• M2: 758,162 km (0.083 R)
• M3: 1,725,911 km (0.073 R)
• M4: 2,221,080 km (0.119 R)
• M5: 2,764,419 km (0.056 R)
• M6: 3,300,578 km (0.108 R)
• M7: 5,753,534 km (0.111 R)
• M8: 6,814,632 km (0.087 R)
• M9: 7,853,140 km (0.073 R)
• M10: 8,593,799 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.9

Radius: 12

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.39 AU - 1.99 AU

Year: 1516 Days

Day: 10 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,700,718 km

• M1: 149,299 km (0.09 R)
• M2: 631,901 km (0.081 R)
• M3: 1,031,178 km (0.119 R)
• M4: 1,433,596 km (0.095 R)
• M5: 2,026,752 km (0.057 R)
• M6: 3,025,767 km (0.091 R)
• M7: 3,644,503 km (0.034 R)
• M8: 4,079,534 km (0.046 R)
• M9: 4,954,981 km (0.097 R)
• M10: 5,728,850 km (0.102 R)
• M11: 6,110,774 km (0.098 R)
• M12: 6,703,331 km (0.117 R)
• M13: 8,031,311 km (0.066 R)
• M14: 8,626,412 km (0.072 R)
• M15: 9,621,088 km (0.065 R)
• M16: 12,348,407 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.5

Radius: 12.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.35 AU - 2.25 AU

Year: 1667 Days

Day: 5.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,700,718 km

• M1: 155,881 km (0.105 R)
• M2: 592,258 km (0.078 R)
• M3: 992,582 km (0.079 R)
• M4: 1,655,749 km (0.076 R)
• M5: 3,724,987 km (0.101 R)
• M6: 5,151,552 km (0.117 R)
• M7: 6,781,870 km (0.091 R)
• M8: 8,396,928 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.9

Radius: 11

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.38 AU - 3.94 AU

Year: 3877 Days

Day: 7.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,700,718 km

• M1: 136,882 km (0.085 R)
• M2: 495,917 km (0.099 R)
• M3: 888,163 km (0.098 R)
• M4: 1,262,756 km (0.089 R)
• M5: 1,634,207 km (0.087 R)
• M6: 2,829,195 km (0.03 R)
• M7: 3,316,435 km (0.1 R)
• M8: 5,591,370 km (0.087 R)
• M9: 5,998,127 km (0.119 R)
• M10: 7,002,676 km (0.061 R)
• M11: 9,876,152 km (0.109 R)
• M12: 10,299,514 km (0.117 R)
• M13: 10,823,556 km (0.065 R)
• M14: 11,411,326 km (0.094 R)
• M15: 11,830,648 km (0.073 R)
• M16: 12,356,934 km (0.05 R)
• M17: 13,715,432 km (0.115 R)
• M18: 14,189,657 km (0.096 R)
• M19: 16,727,136 km (0.107 R)
• M20: 17,636,243 km (0.077 R)
• M21: 18,641,989 km (0.031 R)
• M22: 19,885,447 km (0.111 R)
• M23: 20,630,145 km (0.116 R)
• M24: 22,103,534 km (0.114 R)
• M25: 23,346,543 km (0.101 R)
• M26: 25,258,553 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.9

Radius: 15

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.53 AU - 3.59 AU

Year: 4636 Days

Day: 10.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,700,718 km

• M1: 187,745 km (0.086 R)
• M2: 784,342 km (0.108 R)
• M3: 1,575,864 km (0.092 R)
• M4: 2,430,367 km (0.118 R)
• M5: 3,341,119 km (0.052 R)
• M6: 5,683,971 km (0.057 R)
• M7: 7,382,655 km (0.062 R)
• M8: 8,552,660 km (0.088 R)
• M9: 9,399,234 km (0.089 R)
• M10: 10,223,818 km (0.115 R)
• M11: 13,823,292 km (0.115 R)
• M12: 16,169,136 km (0.101 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.6

Radius: 12

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.43 AU - 6.21 AU

Year: 8470 Days

Day: 5.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,700,718 km

• M1: 150,645 km (0.082 R)
• M2: 564,134 km (0.097 R)
• M3: 1,136,345 km (0.072 R)
• M4: 1,510,490 km (0.11 R)
• M5: 2,000,572 km (0.057 R)
• M6: 2,557,974 km (0.113 R)
• M7: 3,150,830 km (0.076 R)
• M8: 3,563,720 km (0.054 R)
• M9: 4,065,173 km (0.1 R)
• M10: 5,087,076 km (0.056 R)
• M11: 6,308,393 km (0.071 R)
• M12: 6,743,722 km (0.075 R)
• M13: 8,130,046 km (0.071 R)
• M14: 8,913,041 km (0.096 R)
• M15: 9,509,338 km (0.071 R)
• M16: 10,034,576 km (0.074 R)
• M17: 17,021,994 km (0.036 R)
• M18: 18,157,442 km (0.118 R)
• M19: 20,976,015 km (0.088 R)
• M20: 22,783,756 km (0.085 R)
• M21: 28,336,380 km (0.093 R)
• M22: 39,897,453 km (0.092 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 15,635 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit