🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.1

Radius: 12.8

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.5 AU - 0.54 AU

Year: 259 Days

Day: 8.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 104 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 36,344,725 km

• M1: 159,172 km (0.106 R)
• M2: 874,400 km (0.114 R)
• M3: 1,333,067 km (0.102 R)
• M4: 1,752,389 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145

Radius: 13.8

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.95 AU - 1.07 AU

Year: 701 Days

Day: 11.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,344,725 km

• M1: 185,053 km (0.093 R)
• M2: 876,793 km (0.113 R)
• M3: 1,326,036 km (0.059 R)
• M4: 1,791,883 km (0.098 R)
• M5: 2,243,818 km (0.105 R)
• M6: 2,697,549 km (0.095 R)
• M7: 3,319,876 km (0.12 R)
• M8: 4,098,982 km (0.066 R)
• M9: 4,579,640 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.8

Radius: 8.7

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.14 AU - 1.18 AU

Year: 862 Days

Day: 12.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,344,725 km

• M1: 108,159 km (0.09 R)
• M2: 464,501 km (0.082 R)
• M3: 1,071,121 km (0.117 R)
• M4: 1,415,794 km (0.08 R)
• M5: 2,249,503 km (0.108 R)
• M6: 2,810,495 km (0.103 R)
• M7: 3,378,668 km (0.117 R)
• M8: 3,749,072 km (0.095 R)
• M9: 4,290,467 km (0.037 R)
• M10: 5,338,998 km (0.11 R)
• M11: 5,704,167 km (0.119 R)
• M12: 6,812,089 km (0.092 R)
• M13: 7,127,441 km (0.077 R)
• M14: 7,738,847 km (0.05 R)
• M15: 8,616,538 km (0.079 R)
• M16: 8,958,818 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.3

Radius: 10.2

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.35 AU - 1.61 AU

Year: 1243 Days

Day: 14.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,344,725 km

• M1: 147,354 km (0.065 R)
• M2: 990,936 km (0.098 R)
• M3: 1,472,342 km (0.116 R)
• M4: 1,969,606 km (0.104 R)
• M5: 2,460,287 km (0.051 R)
• M6: 2,854,477 km (0.09 R)
• M7: 3,190,175 km (0.076 R)
• M8: 3,538,738 km (0.079 R)
• M9: 4,282,837 km (0.087 R)
• M10: 4,611,654 km (0.073 R)
• M11: 5,214,832 km (0.091 R)
• M12: 5,945,917 km (0.096 R)
• M13: 6,785,610 km (0.095 R)
• M14: 7,702,346 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.7

Radius: 9.1

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.82 AU - 3.68 AU

Year: 4044 Days

Day: 8.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,344,725 km

• M1: 115,041 km (0.087 R)
• M2: 468,541 km (0.117 R)
• M3: 1,097,300 km (0.118 R)
• M4: 1,422,975 km (0.053 R)
• M5: 1,918,892 km (0.103 R)
• M6: 2,351,828 km (0.112 R)
• M7: 2,866,594 km (0.105 R)
• M8: 3,703,146 km (0.052 R)
• M9: 4,167,049 km (0.091 R)
• M10: 4,595,198 km (0.051 R)
• M11: 6,734,896 km (0.116 R)
• M12: 7,843,865 km (0.045 R)
• M13: 11,031,048 km (0.08 R)
• M14: 12,277,348 km (0.086 R)
• M15: 12,566,520 km (0.079 R)
• M16: 13,614,902 km (0.091 R)
• M17: 14,720,430 km (0.067 R)
• M18: 15,941,747 km (0.063 R)
• M19: 16,577,090 km (0.093 R)
• M20: 17,714,183 km (0.101 R)
• M21: 20,143,204 km (0.112 R)
• M22: 20,954,174 km (0.084 R)
• M23: 26,283,897 km (0.031 R)
• M24: 26,684,520 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.9

Radius: 13.9

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.01 AU - 5.19 AU

Year: 6810 Days

Day: 12.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,344,725 km

• M1: 172,935 km (0.091 R)
• M2: 933,341 km (0.113 R)
• M3: 1,403,078 km (0.044 R)
• M4: 1,874,611 km (0.114 R)
• M5: 2,758,136 km (0.037 R)
• M6: 3,275,146 km (0.111 R)
• M7: 3,809,809 km (0.105 R)
• M8: 4,274,011 km (0.062 R)
• M9: 4,886,914 km (0.077 R)
• M10: 5,527,641 km (0.106 R)
• M11: 6,871,629 km (0.11 R)
• M12: 7,985,983 km (0.087 R)
• M13: 10,954,902 km (0.03 R)
• M14: 12,368,303 km (0.059 R)
• M15: 13,394,545 km (0.117 R)
• M16: 14,186,516 km (0.08 R)
• M17: 18,074,864 km (0.062 R)
• M18: 18,692,852 km (0.102 R)
• M19: 23,100,006 km (0.117 R)
• M20: 24,488,423 km (0.072 R)
• M21: 27,610,980 km (0.09 R)
• M22: 34,217,521 km (0.072 R)
• M23: 36,128,185 km (0.059 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 16,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit