🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.9

Radius: 8.5

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.69 AU - 0.75 AU

Year: 388 Days

Day: 5.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,303,376 km

• M1: 106,065 km (0.103 R)
• M2: 544,237 km (0.115 R)
• M3: 972,237 km (0.065 R)
• M4: 1,341,444 km (0.109 R)
• M5: 1,790,238 km (0.116 R)
• M6: 2,261,621 km (0.057 R)
• M7: 2,595,822 km (0.101 R)
• M8: 2,874,373 km (0.099 R)
• M9: 3,239,093 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.9

Radius: 11.4

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.88 AU - 1 AU

Year: 579 Days

Day: 9.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,303,376 km

• M1: 141,819 km (0.114 R)
• M2: 606,021 km (0.06 R)
• M3: 1,372,560 km (0.086 R)
• M4: 2,054,577 km (0.082 R)
• M5: 2,608,089 km (0.097 R)
• M6: 2,986,572 km (0.116 R)
• M7: 3,495,055 km (0.064 R)
• M8: 3,957,462 km (0.086 R)
• M9: 4,460,410 km (0.115 R)
• M10: 5,286,190 km (0.029 R)
• M11: 5,994,387 km (0.094 R)
• M12: 6,892,273 km (0.112 R)
• M13: 7,351,389 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.4

Radius: 12.9

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.77 AU - 1.97 AU

Year: 1626 Days

Day: 12.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,303,376 km

• M1: 160,668 km (0.109 R)
• M2: 564,433 km (0.108 R)
• M3: 1,004,998 km (0.069 R)
• M4: 1,492,837 km (0.082 R)
• M5: 1,897,799 km (0.07 R)
• M6: 2,414,958 km (0.101 R)
• M7: 3,737,703 km (0.064 R)
• M8: 4,216,865 km (0.115 R)
• M9: 4,696,924 km (0.097 R)
• M10: 5,676,641 km (0.082 R)
• M11: 6,534,884 km (0.089 R)
• M12: 7,450,572 km (0.072 R)
• M13: 9,028,680 km (0.117 R)
• M14: 9,471,939 km (0.115 R)
• M15: 9,996,429 km (0.116 R)
• M16: 10,819,516 km (0.1 R)
• M17: 11,986,679 km (0.057 R)
• M18: 13,438,826 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834

Radius: 9.1

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.8 AU - 2.06 AU

Year: 1705 Days

Day: 11.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,303,376 km

• M1: 113,096 km (0.115 R)
• M2: 486,343 km (0.113 R)
• M3: 1,798,166 km (0.081 R)
• M4: 2,185,625 km (0.084 R)
• M5: 2,842,210 km (0.1 R)
• M6: 3,240,888 km (0.072 R)
• M7: 5,799,909 km (0.108 R)
• M8: 6,291,338 km (0.113 R)
• M9: 7,162,596 km (0.037 R)
• M10: 7,470,319 km (0.039 R)
• M11: 7,963,244 km (0.114 R)
• M12: 8,601,878 km (0.052 R)
• M13: 8,949,842 km (0.052 R)
• M14: 9,274,320 km (0.094 R)
• M15: 9,572,917 km (0.102 R)
• M16: 11,693,318 km (0.115 R)
• M17: 13,635,397 km (0.09 R)
• M18: 15,226,520 km (0.095 R)
• M19: 15,596,176 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.4

Radius: 13.5

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.66 AU - 2.5 AU

Year: 1907 Days

Day: 8.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 144.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,303,376 km

• M1: 167,998 km (0.087 R)
• M2: 670,946 km (0.116 R)
• M3: 1,110,615 km (0.079 R)
• M4: 1,694,645 km (0.113 R)
• M5: 2,240,228 km (0.025 R)
• M6: 3,058,528 km (0.111 R)
• M7: 3,676,068 km (0.059 R)
• M8: 5,267,640 km (0.118 R)
• M9: 5,859,001 km (0.032 R)
• M10: 6,766,012 km (0.116 R)
• M11: 8,532,315 km (0.031 R)
• M12: 9,163,917 km (0.077 R)
• M13: 9,891,262 km (0.066 R)
• M14: 10,691,012 km (0.105 R)
• M15: 11,934,170 km (0.113 R)
• M16: 12,571,607 km (0.12 R)
• M17: 13,192,438 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.1

Radius: 13.4

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.33 AU - 4.73 AU

Year: 6130 Days

Day: 9 Hours

Environment

Temp: -219 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,303,376 km

• M1: 167,250 km (0.075 R)
• M2: 743,202 km (0.106 R)
• M3: 1,235,230 km (0.116 R)
• M4: 1,740,721 km (0.068 R)
• M5: 2,205,821 km (0.071 R)
• M6: 3,062,568 km (0.044 R)
• M7: 4,057,543 km (0.109 R)
• M8: 5,228,595 km (0.063 R)
• M9: 5,830,727 km (0.119 R)
• M10: 6,546,104 km (0.111 R)
• M11: 7,392,379 km (0.064 R)
• M12: 9,432,894 km (0.118 R)
• M13: 11,229,265 km (0.104 R)
• M14: 11,674,319 km (0.117 R)
• M15: 14,481,373 km (0.067 R)
• M16: 15,188,223 km (0.051 R)
• M17: 16,926,999 km (0.102 R)
• M18: 21,545,385 km (0.025 R)
• M19: 22,311,475 km (0.086 R)
• M20: 25,305,377 km (0.097 R)
• M21: 26,679,434 km (0.107 R)
• M22: 33,280,440 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774

Radius: 6.8

Gravity: 16.74 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.24 AU - 10.96 AU

Year: 21943 Days

Day: 19.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 55.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,303,376 km

• M1: 86,019 km (0.112 R)
• M2: 551,567 km (0.097 R)
• M3: 1,742,217 km (0.058 R)
• M4: 7,657,167 km (0.118 R)
• M5: 9,053,514 km (0.073 R)
• M6: 11,454,559 km (0.104 R)
• M7: 12,693,978 km (0.119 R)
• M8: 13,717,826 km (0.105 R)
• M9: 23,106,588 km (0.116 R)
• M10: 25,985,749 km (0.092 R)
• M11: 30,482,810 km (0.062 R)
• M12: 33,524,883 km (0.073 R)
• M13: 35,048,986 km (0.101 R)
• M14: 37,494,163 km (0.113 R)
• M15: 42,241,652 km (0.113 R)
• M16: 44,511,201 km (0.108 R)
• M17: 47,546,990 km (0.06 R)
• M18: 50,358,832 km (0.107 R)
• M19: 53,279,581 km (0.055 R)
• M20: 62,302,277 km (0.105 R)
• M21: 68,045,339 km (0.094 R)
• M22: 72,291,675 km (0.053 R)
• M23: 75,531,217 km (0.108 R)
• M24: 77,903,690 km (0.045 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 17,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit