🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688

Radius: 8.3

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.82 AU - 0.94 AU

Year: 550 Days

Day: 13.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,296,631 km

• M1: 103,223 km (0.092 R)
• M2: 381,774 km (0.093 R)
• M3: 643,570 km (0.071 R)
• M4: 1,383,930 km (0.088 R)
• M5: 1,679,535 km (0.115 R)
• M6: 2,070,584 km (0.114 R)
• M7: 2,668,078 km (0.086 R)
• M8: 3,515,849 km (0.12 R)
• M9: 3,848,854 km (0.103 R)
• M10: 4,425,703 km (0.119 R)
• M11: 4,719,214 km (0.104 R)
• M12: 6,120,049 km (0.042 R)
• M13: 6,783,665 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.1

Radius: 14.5

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.06 AU - 1.34 AU

Year: 877 Days

Day: 5.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,296,631 km

• M1: 180,265 km (0.065 R)
• M2: 1,130,362 km (0.102 R)
• M3: 2,033,484 km (0.065 R)
• M4: 2,628,285 km (0.08 R)
• M5: 3,506,574 km (0.118 R)
• M6: 6,654,562 km (0.097 R)
• M7: 7,344,358 km (0.064 R)
• M8: 8,260,495 km (0.071 R)
• M9: 9,168,405 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.8

Radius: 11.8

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.79 AU - 1.89 AU

Year: 1664 Days

Day: 10.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,296,631 km

• M1: 146,756 km (0.116 R)
• M2: 840,441 km (0.09 R)
• M3: 1,228,348 km (0.112 R)
• M4: 2,080,757 km (0.087 R)
• M5: 2,658,953 km (0.052 R)
• M6: 5,439,977 km (0.087 R)
• M7: 5,913,005 km (0.104 R)
• M8: 8,207,687 km (0.056 R)
• M9: 9,089,866 km (0.093 R)
• M10: 9,723,562 km (0.118 R)
• M11: 11,229,415 km (0.11 R)
• M12: 11,881,212 km (0.105 R)
• M13: 12,557,993 km (0.117 R)
• M14: 15,666,188 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.2

Radius: 14.2

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.61 AU - 3.33 AU

Year: 3413 Days

Day: 12.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,296,631 km

• M1: 176,525 km (0.093 R)
• M2: 618,138 km (0.08 R)
• M3: 1,063,042 km (0.076 R)
• M4: 1,554,920 km (0.079 R)
• M5: 1,998,029 km (0.12 R)
• M6: 3,316,585 km (0.118 R)
• M7: 3,916,323 km (0.083 R)
• M8: 4,401,618 km (0.071 R)
• M9: 5,283,348 km (0.108 R)
• M10: 6,916,957 km (0.093 R)
• M11: 7,731,517 km (0.058 R)
• M12: 8,572,856 km (0.06 R)
• M13: 9,281,501 km (0.119 R)
• M14: 9,828,431 km (0.091 R)
• M15: 10,273,185 km (0.049 R)
• M16: 10,987,216 km (0.074 R)
• M17: 15,821,770 km (0.116 R)
• M18: 20,121,961 km (0.11 R)
• M19: 21,645,316 km (0.065 R)
• M20: 22,123,879 km (0.081 R)
• M21: 22,609,624 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.2

Radius: 12.6

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.2 AU - 5.26 AU

Year: 5801 Days

Day: 8.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,296,631 km

• M1: 157,377 km (0.117 R)
• M2: 715,676 km (0.042 R)
• M3: 1,167,312 km (0.092 R)
• M4: 1,883,288 km (0.092 R)
• M5: 2,342,254 km (0.093 R)
• M6: 4,418,972 km (0.098 R)
• M7: 5,327,479 km (0.12 R)
• M8: 7,113,828 km (0.049 R)
• M9: 8,007,226 km (0.029 R)
• M10: 9,142,524 km (0.072 R)
• M11: 10,756,536 km (0.055 R)
• M12: 11,531,752 km (0.108 R)
• M13: 16,165,247 km (0.117 R)
• M14: 20,859,478 km (0.116 R)
• M15: 23,556,578 km (0.096 R)
• M16: 24,368,147 km (0.078 R)
• M17: 25,620,131 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.2

Radius: 10.9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.65 AU - 6.47 AU

Year: 8743 Days

Day: 13.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,296,631 km

• M1: 153,188 km (0.119 R)
• M2: 598,092 km (0.041 R)
• M3: 1,135,747 km (0.115 R)
• M4: 1,540,708 km (0.08 R)
• M5: 2,088,985 km (0.066 R)
• M6: 2,542,117 km (0.118 R)
• M7: 3,269,611 km (0.039 R)
• M8: 3,624,906 km (0.107 R)
• M9: 4,257,855 km (0.102 R)
• M10: 5,224,855 km (0.116 R)
• M11: 6,640,949 km (0.093 R)
• M12: 7,141,054 km (0.072 R)
• M13: 7,551,551 km (0.11 R)
• M14: 9,006,689 km (0.075 R)
• M15: 10,121,792 km (0.086 R)
• M16: 11,226,871 km (0.1 R)
• M17: 11,578,726 km (0.104 R)
• M18: 12,895,785 km (0.059 R)
• M19: 13,393,647 km (0.11 R)
• M20: 18,818,515 km (0.113 R)
• M21: 19,387,435 km (0.087 R)
• M22: 20,188,532 km (0.106 R)
• M23: 20,935,773 km (0.054 R)
• M24: 21,623,923 km (0.079 R)
• M25: 24,528,516 km (0.047 R)
• M26: 24,951,429 km (0.054 R)
• M27: 25,293,410 km (0.109 R)
• M28: 25,725,149 km (0.111 R)
• M29: 26,249,789 km (0.109 R)
• M30: 26,781,460 km (0.111 R)
• M31: 29,739,458 km (0.078 R)
• M32: 33,320,233 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.2

Radius: 4.2

Gravity: 38.84 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.23 AU - 9.59 AU

Year: 16264 Days

Day: 21.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,296,631 km

• M1: 59,989 km (0.108 R)
• M2: 339,138 km (0.089 R)
• M3: 499,507 km (0.113 R)
• M4: 979,417 km (0.117 R)
• M5: 1,490,892 km (0.065 R)
• M6: 1,894,956 km (0.118 R)
• M7: 3,545,619 km (0.048 R)
• M8: 4,355,841 km (0.081 R)
• M9: 4,995,223 km (0.061 R)
• M10: 5,811,428 km (0.058 R)
• M11: 5,968,805 km (0.093 R)
• M12: 7,941,702 km (0.09 R)
• M13: 8,432,533 km (0.092 R)
• M14: 9,206,403 km (0.092 R)
• M15: 18,838,710 km (0.091 R)
• M16: 19,621,406 km (0.048 R)
• M17: 29,942,911 km (0.082 R)
• M18: 31,974,750 km (0.089 R)
• M19: 34,096,646 km (0.073 R)
• M20: 44,430,867 km (0.081 R)
• M21: 51,973,143 km (0.047 R)
• M22: 63,360,084 km (0.041 R)
• M23: 64,915,154 km (0.098 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 14,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit