🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.3

Radius: 12.3

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.76 AU - 0.8 AU

Year: 445 Days

Day: 10.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,514,408 km

• M1: 153,039 km (0.081 R)
• M2: 580,440 km (0.05 R)
• M3: 1,051,972 km (0.091 R)
• M4: 1,602,492 km (0.073 R)
• M5: 2,481,829 km (0.117 R)
• M6: 2,906,088 km (0.036 R)
• M7: 3,609,647 km (0.118 R)
• M8: 4,089,856 km (0.112 R)
• M9: 5,292,025 km (0.046 R)
• M10: 5,810,082 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.1

Radius: 12.9

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.71 AU - 0.85 AU

Year: 445 Days

Day: 14.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,514,408 km

• M1: 161,865 km (0.118 R)
• M2: 669,600 km (0.109 R)
• M3: 1,231,490 km (0.096 R)
• M4: 1,728,603 km (0.116 R)
• M5: 2,169,618 km (0.06 R)
• M6: 2,618,561 km (0.108 R)
• M7: 3,262,430 km (0.117 R)
• M8: 3,881,915 km (0.1 R)
• M9: 4,397,130 km (0.069 R)
• M10: 4,987,743 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.5

Radius: 12.8

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.75 AU - 1.19 AU

Year: 617 Days

Day: 11.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,514,408 km

• M1: 159,172 km (0.102 R)
• M2: 581,188 km (0.105 R)
• M3: 1,114,953 km (0.097 R)
• M4: 1,572,124 km (0.098 R)
• M5: 1,992,793 km (0.067 R)
• M6: 2,626,490 km (0.113 R)
• M7: 3,190,324 km (0.1 R)
• M8: 3,655,125 km (0.042 R)
• M9: 4,269,972 km (0.086 R)
• M10: 5,003,151 km (0.088 R)
• M11: 5,418,136 km (0.096 R)
• M12: 5,818,759 km (0.026 R)
• M13: 6,337,714 km (0.051 R)
• M14: 7,624,555 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.1

Radius: 13.6

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.09 AU - 3.39 AU

Year: 3766 Days

Day: 10.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,514,408 km

• M1: 169,195 km (0.118 R)
• M2: 618,288 km (0.1 R)
• M3: 1,155,943 km (0.09 R)
• M4: 1,750,893 km (0.07 R)
• M5: 2,293,335 km (0.099 R)
• M6: 3,029,357 km (0.112 R)
• M7: 3,820,281 km (0.058 R)
• M8: 4,632,896 km (0.053 R)
• M9: 5,787,942 km (0.043 R)
• M10: 6,489,556 km (0.096 R)
• M11: 6,949,120 km (0.112 R)
• M12: 7,492,011 km (0.062 R)
• M13: 8,904,664 km (0.118 R)
• M14: 9,329,073 km (0.097 R)
• M15: 11,491,510 km (0.071 R)
• M16: 12,957,270 km (0.117 R)
• M17: 14,690,361 km (0.073 R)
• M18: 17,711,042 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.6

Radius: 13.5

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.29 AU - 5.89 AU

Year: 8534 Days

Day: 14.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,514,408 km

• M1: 170,990 km (0.07 R)
• M2: 705,055 km (0.031 R)
• M3: 2,088,536 km (0.075 R)
• M4: 2,945,133 km (0.114 R)
• M5: 3,638,370 km (0.064 R)
• M6: 7,250,710 km (0.099 R)
• M7: 9,654,299 km (0.115 R)
• M8: 14,792,088 km (0.066 R)
• M9: 16,494,811 km (0.085 R)
• M10: 17,292,167 km (0.091 R)
• M11: 18,324,991 km (0.099 R)
• M12: 29,739,309 km (0.052 R)
• M13: 33,167,643 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.1

Radius: 9.3

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.39 AU - 6.07 AU

Year: 8856 Days

Day: 8.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,514,408 km

• M1: 115,639 km (0.056 R)
• M2: 581,786 km (0.108 R)
• M3: 1,247,497 km (0.09 R)
• M4: 2,488,561 km (0.113 R)
• M5: 2,995,398 km (0.09 R)
• M6: 3,974,815 km (0.12 R)
• M7: 5,876,354 km (0.117 R)
• M8: 9,310,223 km (0.029 R)
• M9: 13,588,573 km (0.069 R)
• M10: 16,563,177 km (0.113 R)
• M11: 17,476,771 km (0.106 R)
• M12: 17,837,003 km (0.104 R)
• M13: 19,480,934 km (0.097 R)
• M14: 24,206,431 km (0.082 R)
• M15: 25,382,121 km (0.112 R)
• M16: 26,500,814 km (0.072 R)
• M17: 27,072,278 km (0.112 R)
• M18: 30,467,252 km (0.056 R)
• M19: 34,024,091 km (0.039 R)
• M20: 34,473,184 km (0.038 R)
• M21: 35,268,596 km (0.09 R)
• M22: 36,896,220 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.2

Radius: 6.4

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.07 AU - 8.81 AU

Year: 14446 Days

Day: 18.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 33,514,408 km

• M1: 80,184 km (0.119 R)
• M2: 316,250 km (0.073 R)
• M3: 541,843 km (0.086 R)
• M4: 821,442 km (0.066 R)
• M5: 1,085,333 km (0.063 R)
• M6: 1,393,654 km (0.108 R)
• M7: 1,972,747 km (0.116 R)
• M8: 2,333,727 km (0.087 R)
• M9: 2,966,675 km (0.112 R)
• M10: 3,167,137 km (0.083 R)
• M11: 3,441,349 km (0.105 R)
• M12: 3,846,909 km (0.083 R)
• M13: 4,284,034 km (0.07 R)
• M14: 4,862,679 km (0.116 R)
• M15: 7,668,686 km (0.088 R)
• M16: 8,320,933 km (0.039 R)
• M17: 9,432,146 km (0.088 R)
• M18: 11,695,861 km (0.044 R)
• M19: 14,698,888 km (0.107 R)
• M20: 17,456,276 km (0.095 R)
• M21: 17,716,876 km (0.07 R)
• M22: 20,252,560 km (0.112 R)
• M23: 20,758,051 km (0.104 R)
• M24: 21,050,664 km (0.079 R)
• M25: 22,020,657 km (0.076 R)
• M26: 22,942,180 km (0.068 R)
• M27: 28,295,540 km (0.108 R)
• M28: 30,500,313 km (0.105 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 14,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit