🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.5

Radius: 12.8

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.91 AU - 1.13 AU

Year: 687 Days

Day: 7 Hours

Environment

Temp: -169 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,682,611 km

• M1: 159,322 km (0.094 R)
• M2: 560,693 km (0.102 R)
• M3: 988,692 km (0.083 R)
• M4: 1,414,149 km (0.091 R)
• M5: 1,875,808 km (0.073 R)
• M6: 2,300,666 km (0.106 R)
• M7: 2,771,001 km (0.07 R)
• M8: 3,229,818 km (0.113 R)
• M9: 3,680,108 km (0.091 R)
• M10: 4,289,270 km (0.083 R)
• M11: 4,764,842 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.6

Radius: 9.3

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.01 AU - 1.07 AU

Year: 707 Days

Day: 13 Hours

Environment

Temp: -185 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,682,611 km

• M1: 115,789 km (0.095 R)
• M2: 494,870 km (0.096 R)
• M3: 1,441,824 km (0.116 R)
• M4: 1,992,494 km (0.085 R)
• M5: 2,578,918 km (0.038 R)
• M6: 3,485,630 km (0.12 R)
• M7: 3,788,566 km (0.033 R)
• M8: 4,463,402 km (0.037 R)
• M9: 4,821,539 km (0.071 R)
• M10: 5,146,167 km (0.041 R)
• M11: 7,102,757 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.4

Radius: 14.3

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.19 AU - 2.35 AU

Year: 2281 Days

Day: 8.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,682,611 km

• M1: 177,872 km (0.081 R)
• M2: 638,633 km (0.111 R)
• M3: 1,155,045 km (0.104 R)
• M4: 1,675,795 km (0.092 R)
• M5: 2,238,433 km (0.028 R)
• M6: 3,148,138 km (0.1 R)
• M7: 3,939,959 km (0.073 R)
• M8: 5,084,832 km (0.113 R)
• M9: 7,363,656 km (0.109 R)
• M10: 8,372,843 km (0.112 R)
• M11: 9,611,813 km (0.063 R)
• M12: 10,147,672 km (0.109 R)
• M13: 10,817,123 km (0.07 R)
• M14: 11,476,251 km (0.059 R)
• M15: 12,244,586 km (0.06 R)
• M16: 13,003,795 km (0.099 R)
• M17: 13,527,238 km (0.041 R)
• M18: 15,087,244 km (0.057 R)
• M19: 16,258,596 km (0.084 R)
• M20: 17,595,103 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.3

Radius: 12.7

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.5 AU - 3.52 AU

Year: 4385 Days

Day: 14.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,682,611 km

• M1: 160,070 km (0.082 R)
• M2: 611,107 km (0.066 R)
• M3: 1,065,286 km (0.116 R)
• M4: 1,536,819 km (0.107 R)
• M5: 2,482,277 km (0.048 R)
• M6: 3,201,993 km (0.09 R)
• M7: 3,661,707 km (0.057 R)
• M8: 5,159,481 km (0.113 R)
• M9: 6,103,444 km (0.098 R)
• M10: 6,601,904 km (0.084 R)
• M11: 7,223,184 km (0.087 R)
• M12: 7,714,313 km (0.119 R)
• M13: 8,403,960 km (0.111 R)
• M14: 8,837,345 km (0.096 R)
• M15: 9,670,605 km (0.08 R)
• M16: 11,103,453 km (0.057 R)
• M17: 12,579,835 km (0.119 R)
• M18: 13,292,668 km (0.046 R)
• M19: 13,782,751 km (0.059 R)
• M20: 14,386,678 km (0.072 R)
• M21: 15,539,928 km (0.081 R)
• M22: 16,584,570 km (0.09 R)
• M23: 17,152,892 km (0.088 R)
• M24: 20,320,477 km (0.111 R)
• M25: 22,042,199 km (0.071 R)
• M26: 23,289,845 km (0.088 R)
• M27: 24,219,746 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.5

Radius: 7.8

Gravity: 14.54 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.24 AU - 6.72 AU

Year: 11000 Days

Day: 22.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,682,611 km

• M1: 97,089 km (0.089 R)
• M2: 502,350 km (0.067 R)
• M3: 808,427 km (0.058 R)
• M4: 1,289,982 km (0.07 R)
• M5: 1,849,030 km (0.042 R)
• M6: 2,298,571 km (0.118 R)
• M7: 3,650,487 km (0.079 R)
• M8: 4,667,304 km (0.089 R)
• M9: 5,501,312 km (0.084 R)
• M10: 6,995,795 km (0.051 R)
• M11: 9,234,228 km (0.096 R)
• M12: 11,155,812 km (0.114 R)
• M13: 15,987,225 km (0.03 R)
• M14: 16,572,901 km (0.097 R)
• M15: 17,632,353 km (0.099 R)
• M16: 19,885,447 km (0.086 R)
• M17: 20,907,350 km (0.092 R)
• M18: 26,445,463 km (0.059 R)
• M19: 38,582,936 km (0.035 R)
• M20: 39,371,018 km (0.108 R)
• M21: 40,708,273 km (0.064 R)
• M22: 43,898,448 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.2

Radius: 7.3

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.68 AU - 10.34 AU

Year: 19557 Days

Day: 16.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,682,611 km

• M1: 91,105 km (0.093 R)
• M2: 368,759 km (0.102 R)
• M3: 1,288,486 km (0.102 R)
• M4: 2,639,505 km (0.085 R)
• M5: 3,832,099 km (0.056 R)
• M6: 4,132,791 km (0.084 R)
• M7: 5,841,049 km (0.102 R)
• M8: 8,167,595 km (0.092 R)
• M9: 8,414,731 km (0.113 R)
• M10: 11,413,420 km (0.12 R)
• M11: 14,047,390 km (0.106 R)
• M12: 15,429,973 km (0.053 R)
• M13: 21,966,802 km (0.105 R)
• M14: 29,787,030 km (0.11 R)
• M15: 53,481,837 km (0.109 R)
• M16: 60,305,146 km (0.054 R)
• M17: 61,622,355 km (0.114 R)
• M18: 63,730,638 km (0.097 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 10,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit