🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398

Radius: 9.7

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.77 AU - 1.09 AU

Year: 588 Days

Day: 13.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,678,514 km

• M1: 120,725 km (0.084 R)
• M2: 497,263 km (0.098 R)
• M3: 805,585 km (0.06 R)
• M4: 1,134,401 km (0.113 R)
• M5: 1,453,343 km (0.067 R)
• M6: 1,880,296 km (0.065 R)
• M7: 2,370,977 km (0.036 R)
• M8: 3,055,387 km (0.052 R)
• M9: 3,826,863 km (0.077 R)
• M10: 4,189,189 km (0.118 R)
• M11: 4,648,305 km (0.081 R)
• M12: 5,236,823 km (0.101 R)
• M13: 5,549,333 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.7

Radius: 12.5

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.43 AU - 2.17 AU

Year: 1584 Days

Day: 14.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,678,514 km

• M1: 155,731 km (0.058 R)
• M2: 678,426 km (0.085 R)
• M3: 1,091,167 km (0.111 R)
• M4: 1,599,052 km (0.052 R)
• M5: 2,089,433 km (0.053 R)
• M6: 2,617,514 km (0.032 R)
• M7: 3,895,678 km (0.104 R)
• M8: 4,572,758 km (0.057 R)
• M9: 5,225,603 km (0.085 R)
• M10: 5,638,194 km (0.07 R)
• M11: 6,790,247 km (0.066 R)
• M12: 7,257,591 km (0.057 R)
• M13: 8,395,133 km (0.108 R)
• M14: 9,227,047 km (0.091 R)
• M15: 9,832,320 km (0.099 R)
• M16: 10,431,759 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450

Radius: 13.9

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.94 AU - 2.54 AU

Year: 2199 Days

Day: 14.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,678,514 km

• M1: 172,935 km (0.105 R)
• M2: 810,820 km (0.095 R)
• M3: 1,822,401 km (0.069 R)
• M4: 2,471,207 km (0.116 R)
• M5: 3,208,575 km (0.088 R)
• M6: 4,219,109 km (0.041 R)
• M7: 4,747,937 km (0.026 R)
• M8: 5,211,391 km (0.086 R)
• M9: 5,705,214 km (0.095 R)
• M10: 6,279,670 km (0.036 R)
• M11: 7,240,836 km (0.034 R)
• M12: 8,178,964 km (0.117 R)
• M13: 8,785,883 km (0.055 R)
• M14: 9,293,020 km (0.085 R)
• M15: 10,056,418 km (0.061 R)
• M16: 11,005,467 km (0.11 R)
• M17: 12,798,995 km (0.104 R)
• M18: 13,786,790 km (0.089 R)
• M19: 15,137,061 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.3

Radius: 9.5

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.42 AU - 2.82 AU

Year: 2782 Days

Day: 10.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,678,514 km

• M1: 118,482 km (0.091 R)
• M2: 589,116 km (0.038 R)
• M3: 1,328,279 km (0.042 R)
• M4: 1,864,887 km (0.112 R)
• M5: 2,196,695 km (0.052 R)
• M6: 3,904,804 km (0.108 R)
• M7: 4,619,283 km (0.093 R)
• M8: 5,142,427 km (0.103 R)
• M9: 6,281,166 km (0.058 R)
• M10: 6,650,822 km (0.106 R)
• M11: 7,091,089 km (0.063 R)
• M12: 7,609,445 km (0.077 R)
• M13: 8,950,590 km (0.093 R)
• M14: 12,585,070 km (0.11 R)
• M15: 13,562,094 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.3

Radius: 11.4

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.03 AU - 4.59 AU

Year: 4879 Days

Day: 7.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,678,514 km

• M1: 141,819 km (0.09 R)
• M2: 628,760 km (0.047 R)
• M3: 1,138,141 km (0.081 R)
• M4: 1,588,131 km (0.076 R)
• M5: 2,142,092 km (0.085 R)
• M6: 3,901,812 km (0.076 R)
• M7: 4,462,654 km (0.103 R)
• M8: 4,891,850 km (0.104 R)
• M9: 5,516,571 km (0.11 R)
• M10: 6,697,048 km (0.116 R)
• M11: 7,092,285 km (0.114 R)
• M12: 7,821,575 km (0.04 R)
• M13: 9,227,346 km (0.041 R)
• M14: 9,927,016 km (0.033 R)
• M15: 10,354,865 km (0.077 R)
• M16: 11,019,828 km (0.083 R)
• M17: 13,967,804 km (0.118 R)
• M18: 16,796,849 km (0.051 R)
• M19: 17,160,222 km (0.076 R)
• M20: 22,157,240 km (0.099 R)
• M21: 22,815,470 km (0.072 R)
• M22: 23,713,357 km (0.086 R)
• M23: 26,303,943 km (0.09 R)
• M24: 27,458,091 km (0.119 R)
• M25: 28,559,580 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.2

Radius: 6.7

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 9.01 AU - 12.79 AU

Year: 23607 Days

Day: 23.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,678,514 km

• M1: 83,326 km (0.114 R)
• M2: 956,529 km (0.05 R)
• M3: 1,447,509 km (0.053 R)
• M4: 1,944,473 km (0.077 R)
• M5: 2,684,235 km (0.11 R)
• M6: 3,379,117 km (0.085 R)
• M7: 4,771,574 km (0.069 R)
• M8: 6,593,825 km (0.03 R)
• M9: 7,753,358 km (0.104 R)
• M10: 9,629,465 km (0.095 R)
• M11: 16,252,013 km (0.074 R)
• M12: 17,684,862 km (0.116 R)
• M13: 20,617,728 km (0.118 R)
• M14: 23,362,699 km (0.064 R)
• M15: 34,814,416 km (0.09 R)
• M16: 38,134,741 km (0.12 R)
• M17: 38,546,734 km (0.118 R)
• M18: 40,509,308 km (0.092 R)
• M19: 49,188,827 km (0.1 R)
• M20: 57,395,317 km (0.081 R)
• M21: 62,389,642 km (0.064 R)
• M22: 63,153,340 km (0.055 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 17,651 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit