🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.4

Radius: 15

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.42 AU - 0.68 AU

Year: 282 Days

Day: 9.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,185,926 km

• M1: 186,549 km (0.087 R)
• M2: 755,619 km (0.11 R)
• M3: 1,254,229 km (0.104 R)
• M4: 1,776,475 km (0.096 R)
• M5: 2,445,925 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.6

Radius: 11.5

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.65 AU - 1.01 AU

Year: 522 Days

Day: 7.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,185,926 km

• M1: 143,165 km (0.11 R)
• M2: 825,780 km (0.039 R)
• M3: 1,464,862 km (0.115 R)
• M4: 1,965,267 km (0.078 R)
• M5: 2,471,058 km (0.12 R)
• M6: 2,866,146 km (0.054 R)
• M7: 4,010,121 km (0.073 R)
• M8: 4,814,807 km (0.056 R)
• M9: 5,337,652 km (0.101 R)
• M10: 5,758,620 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.4

Radius: 11.7

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.83 AU - 1.35 AU

Year: 786 Days

Day: 13.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,185,926 km

• M1: 145,559 km (0.119 R)
• M2: 554,709 km (0.063 R)
• M3: 1,063,641 km (0.107 R)
• M4: 1,842,298 km (0.087 R)
• M5: 2,351,230 km (0.106 R)
• M6: 2,918,206 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.6

Radius: 8.5

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.49 AU - 2.17 AU

Year: 1709 Days

Day: 7.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,185,926 km

• M1: 105,766 km (0.08 R)
• M2: 511,176 km (0.118 R)
• M3: 849,716 km (0.096 R)
• M4: 1,145,471 km (0.081 R)
• M5: 1,414,597 km (0.034 R)
• M6: 2,013,139 km (0.111 R)
• M7: 2,964,132 km (0.114 R)
• M8: 3,645,401 km (0.085 R)
• M9: 4,238,556 km (0.108 R)
• M10: 4,532,067 km (0.028 R)
• M11: 4,820,642 km (0.117 R)
• M12: 5,596,307 km (0.064 R)
• M13: 5,886,676 km (0.085 R)
• M14: 6,319,014 km (0.117 R)
• M15: 6,611,328 km (0.065 R)
• M16: 8,397,078 km (0.067 R)
• M17: 8,778,553 km (0.07 R)
• M18: 9,372,157 km (0.051 R)
• M19: 10,022,609 km (0.083 R)
• M20: 10,328,087 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.9

Radius: 12.7

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.96 AU - 2.34 AU

Year: 2176 Days

Day: 7.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 83.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,185,926 km

• M1: 157,975 km (0.103 R)
• M2: 718,369 km (0.112 R)
• M3: 1,124,976 km (0.069 R)
• M4: 1,633,010 km (0.085 R)
• M5: 2,078,214 km (0.11 R)
• M6: 2,645,938 km (0.103 R)
• M7: 3,188,978 km (0.097 R)
• M8: 4,682,413 km (0.097 R)
• M9: 5,279,159 km (0.055 R)
• M10: 6,548,348 km (0.065 R)
• M11: 7,806,765 km (0.079 R)
• M12: 9,482,560 km (0.082 R)
• M13: 10,834,177 km (0.057 R)
• M14: 13,450,345 km (0.099 R)
• M15: 14,614,964 km (0.07 R)
• M16: 15,336,175 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.5

Radius: 14.4

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.36 AU - 4.38 AU

Year: 6306 Days

Day: 13.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,185,926 km

• M1: 179,218 km (0.082 R)
• M2: 924,664 km (0.109 R)
• M3: 1,389,615 km (0.109 R)
• M4: 2,270,896 km (0.104 R)
• M5: 3,591,994 km (0.101 R)
• M6: 4,174,529 km (0.051 R)
• M7: 4,819,894 km (0.12 R)
• M8: 5,286,639 km (0.118 R)
• M9: 6,587,841 km (0.093 R)
• M10: 8,337,538 km (0.1 R)
• M11: 9,232,133 km (0.075 R)
• M12: 9,725,806 km (0.045 R)
• M13: 10,815,477 km (0.091 R)
• M14: 11,415,514 km (0.1 R)
• M15: 12,627,855 km (0.085 R)
• M16: 14,877,508 km (0.055 R)
• M17: 16,649,645 km (0.087 R)
• M18: 17,723,458 km (0.043 R)
• M19: 20,083,514 km (0.095 R)
• M20: 20,762,090 km (0.095 R)
• M21: 22,485,158 km (0.102 R)
• M22: 27,391,071 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.8

Radius: 6.1

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.95 AU - 10.43 AU

Year: 22453 Days

Day: 19.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 115.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,185,926 km

• M1: 481,256 km (0.047 R)
• M2: 882,777 km (0.11 R)
• M3: 2,338,215 km (0.096 R)
• M4: 2,566,950 km (0.112 R)
• M5: 4,331,307 km (0.094 R)
• M6: 6,777,681 km (0.049 R)
• M7: 8,291,612 km (0.099 R)
• M8: 11,313,189 km (0.112 R)
• M9: 11,970,522 km (0.117 R)
• M10: 14,926,576 km (0.111 R)
• M11: 18,744,015 km (0.113 R)
• M12: 27,166,824 km (0.079 R)
• M13: 28,234,653 km (0.103 R)
• M14: 31,373,217 km (0.055 R)
• M15: 44,326,447 km (0.095 R)
• M16: 47,928,914 km (0.112 R)
• M17: 56,737,835 km (0.075 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 11,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit