🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.8

Radius: 9.6

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.86 AU - 0.94 AU

Year: 589 Days

Day: 8.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,742,030 km

• M1: 119,529 km (0.105 R)
• M2: 510,278 km (0.095 R)
• M3: 1,276,668 km (0.088 R)
• M4: 1,682,378 km (0.107 R)
• M5: 2,200,585 km (0.079 R)
• M6: 3,023,523 km (0.091 R)
• M7: 5,949,507 km (0.025 R)
• M8: 6,532,789 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.4

Radius: 13.9

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.89 AU - 1.19 AU

Year: 732 Days

Day: 7.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,742,030 km

• M1: 172,935 km (0.099 R)
• M2: 608,415 km (0.042 R)
• M3: 1,250,788 km (0.077 R)
• M4: 2,090,481 km (0.109 R)
• M5: 2,764,419 km (0.077 R)
• M6: 3,691,477 km (0.06 R)
• M7: 4,371,848 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.6

Radius: 11

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.06 AU - 1.14 AU

Year: 796 Days

Day: 13.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,742,030 km

• M1: 136,882 km (0.106 R)
• M2: 777,011 km (0.097 R)
• M3: 1,236,875 km (0.07 R)
• M4: 1,919,490 km (0.106 R)
• M5: 2,357,064 km (0.06 R)
• M6: 3,182,545 km (0.071 R)
• M7: 3,984,988 km (0.115 R)
• M8: 4,867,616 km (0.071 R)
• M9: 5,241,311 km (0.057 R)
• M10: 5,913,454 km (0.109 R)
• M11: 6,300,165 km (0.07 R)
• M12: 6,807,302 km (0.098 R)
• M13: 7,429,629 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.2

Radius: 13.4

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.97 AU - 2.71 AU

Year: 2471 Days

Day: 5.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,742,030 km

• M1: 173,982 km (0.117 R)
• M2: 668,852 km (0.082 R)
• M3: 1,201,420 km (0.05 R)
• M4: 1,636,750 km (0.073 R)
• M5: 2,128,479 km (0.09 R)
• M6: 2,576,375 km (0.099 R)
• M7: 3,651,534 km (0.104 R)
• M8: 4,350,755 km (0.076 R)
• M9: 4,804,934 km (0.104 R)
• M10: 5,233,233 km (0.109 R)
• M11: 7,822,921 km (0.096 R)
• M12: 8,578,391 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.3

Radius: 13.3

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.63 AU - 4.05 AU

Year: 4213 Days

Day: 12.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,742,030 km

• M1: 165,455 km (0.11 R)
• M2: 1,201,720 km (0.111 R)
• M3: 2,330,136 km (0.055 R)
• M4: 2,777,135 km (0.112 R)
• M5: 3,343,213 km (0.058 R)
• M6: 4,091,801 km (0.101 R)
• M7: 4,808,674 km (0.115 R)
• M8: 5,303,544 km (0.056 R)
• M9: 5,741,865 km (0.092 R)
• M10: 6,348,036 km (0.096 R)
• M11: 9,782,205 km (0.049 R)
• M12: 10,995,593 km (0.098 R)
• M13: 11,895,574 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.4

Radius: 11.3

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.2 AU - 4.42 AU

Year: 6176 Days

Day: 7.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,742,030 km

• M1: 140,622 km (0.046 R)
• M2: 625,768 km (0.116 R)
• M3: 1,347,428 km (0.109 R)
• M4: 1,819,858 km (0.076 R)
• M5: 2,737,491 km (0.12 R)
• M6: 3,797,841 km (0.104 R)
• M7: 4,991,483 km (0.06 R)
• M8: 7,417,810 km (0.071 R)
• M9: 8,104,764 km (0.119 R)
• M10: 10,461,977 km (0.107 R)
• M11: 10,867,687 km (0.099 R)
• M12: 12,148,544 km (0.11 R)
• M13: 13,671,001 km (0.083 R)
• M14: 14,107,378 km (0.114 R)
• M15: 14,754,240 km (0.052 R)
• M16: 18,231,044 km (0.11 R)
• M17: 19,118,608 km (0.101 R)
• M18: 19,972,812 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.3

Radius: 3.3

Gravity: 81.2 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.92 AU - 6.18 AU

Year: 9025 Days

Day: 15.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,742,030 km

• M1: 41,139 km (0.082 R)
• M2: 195,674 km (0.107 R)
• M3: 364,570 km (0.103 R)
• M4: 505,042 km (0.088 R)
• M5: 633,547 km (0.085 R)
• M6: 1,064,987 km (0.096 R)
• M7: 1,382,434 km (0.036 R)
• M8: 3,134,524 km (0.104 R)
• M9: 4,133,240 km (0.074 R)
• M10: 4,420,019 km (0.101 R)
• M11: 4,538,351 km (0.073 R)
• M12: 4,750,480 km (0.088 R)
• M13: 4,906,212 km (0.074 R)
• M14: 8,321,681 km (0.101 R)
• M15: 8,965,550 km (0.084 R)
• M16: 11,930,879 km (0.094 R)
• M17: 15,354,127 km (0.117 R)
• M18: 15,901,057 km (0.1 R)
• M19: 16,109,447 km (0.058 R)
• M20: 21,673,740 km (0.065 R)
• M21: 22,274,674 km (0.059 R)
• M22: 22,448,357 km (0.104 R)
• M23: 23,063,354 km (0.066 R)
• M24: 23,241,226 km (0.116 R)
• M25: 24,882,614 km (0.1 R)
• M26: 25,922,768 km (0.12 R)
• M27: 30,055,259 km (0.099 R)
• M28: 30,587,379 km (0.044 R)
• M29: 34,489,639 km (0.056 R)
• M30: 35,544,005 km (0.032 R)
• M31: 36,499,188 km (0.1 R)
• M32: 45,319,029 km (0.09 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: 275 - 12,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit