🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.5 AU - 0.8 AU

Year: 333 Days

Day: 44.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.53 AU - 0.79 AU

Year: 341 Days

Day: 18.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,052,480 km

• M1: 505,342 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.1

Radius: 11.7

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1 AU - 1.16 AU

Year: 714 Days

Day: 9.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,052,480 km

• M1: 146,456 km (0.109 R)
• M2: 512,672 km (0.117 R)
• M3: 1,055,263 km (0.1 R)
• M4: 1,530,835 km (0.114 R)
• M5: 2,131,171 km (0.108 R)
• M6: 2,502,024 km (0.075 R)
• M7: 2,916,261 km (0.101 R)
• M8: 3,549,060 km (0.042 R)
• M9: 4,228,683 km (0.116 R)
• M10: 5,604,235 km (0.099 R)
• M11: 6,081,004 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.5

Radius: 9.4

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.24 AU - 1.48 AU

Year: 1008 Days

Day: 12.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,052,480 km

• M1: 116,836 km (0.102 R)
• M2: 489,634 km (0.079 R)
• M3: 878,439 km (0.098 R)
• M4: 1,179,729 km (0.089 R)
• M5: 1,472,791 km (0.041 R)
• M6: 1,869,674 km (0.088 R)
• M7: 2,210,907 km (0.12 R)
• M8: 2,675,558 km (0.074 R)
• M9: 3,059,276 km (0.103 R)
• M10: 3,367,598 km (0.062 R)
• M11: 4,000,397 km (0.101 R)
• M12: 4,436,923 km (0.087 R)
• M13: 5,919,737 km (0.053 R)
• M14: 6,358,358 km (0.101 R)
• M15: 7,091,537 km (0.101 R)
• M16: 7,635,027 km (0.088 R)
• M17: 9,129,509 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.3

Radius: 14.3

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.52 AU - 1.78 AU

Year: 1348 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,052,480 km

• M1: 177,872 km (0.081 R)
• M2: 655,089 km (0.062 R)
• M3: 1,132,306 km (0.114 R)
• M4: 2,279,572 km (0.11 R)
• M5: 2,840,864 km (0.047 R)
• M6: 3,291,004 km (0.101 R)
• M7: 3,755,655 km (0.077 R)
• M8: 4,700,664 km (0.07 R)
• M9: 6,121,994 km (0.054 R)
• M10: 6,754,942 km (0.114 R)
• M11: 7,512,057 km (0.109 R)
• M12: 8,066,766 km (0.067 R)
• M13: 8,980,809 km (0.11 R)
• M14: 10,980,035 km (0.119 R)
• M15: 11,879,717 km (0.076 R)
• M16: 13,703,913 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.3

Radius: 9.4

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.34 AU - 1.98 AU

Year: 1360 Days

Day: 13.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,052,480 km

• M1: 116,836 km (0.077 R)
• M2: 421,268 km (0.07 R)
• M3: 756,367 km (0.037 R)
• M4: 1,692,550 km (0.038 R)
• M5: 2,426,178 km (0.111 R)
• M6: 2,914,765 km (0.098 R)
• M7: 3,711,374 km (0.09 R)
• M8: 4,215,070 km (0.104 R)
• M9: 4,607,764 km (0.044 R)
• M10: 6,405,033 km (0.093 R)
• M11: 8,306,721 km (0.108 R)
• M12: 9,108,266 km (0.067 R)
• M13: 9,993,138 km (0.088 R)
• M14: 13,226,696 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.8

Radius: 12.3

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.55 AU - 2.23 AU

Year: 1652 Days

Day: 14.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,052,480 km

• M1: 153,338 km (0.109 R)
• M2: 1,308,084 km (0.112 R)
• M3: 2,244,866 km (0.075 R)
• M4: 2,847,296 km (0.109 R)
• M5: 3,822,076 km (0.119 R)
• M6: 4,930,297 km (0.075 R)
• M7: 5,323,889 km (0.044 R)
• M8: 5,802,453 km (0.06 R)
• M9: 7,541,079 km (0.099 R)
• M10: 10,315,671 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.6

Radius: 9.6

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.98 AU - 2.02 AU

Year: 1798 Days

Day: 7.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,052,480 km

• M1: 126,261 km (0.084 R)
• M2: 486,492 km (0.056 R)
• M3: 807,529 km (0.039 R)
• M4: 1,539,661 km (0.096 R)
• M5: 2,401,345 km (0.103 R)
• M6: 3,200,497 km (0.068 R)
• M7: 3,520,786 km (0.112 R)
• M8: 5,157,686 km (0.116 R)
• M9: 6,507,507 km (0.084 R)
• M10: 7,024,518 km (0.101 R)
• M11: 7,806,017 km (0.098 R)
• M12: 9,889,466 km (0.074 R)
• M13: 10,721,231 km (0.118 R)
• M14: 11,481,786 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.5

Radius: 9.1

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.06 AU - 5.12 AU

Year: 6252 Days

Day: 12.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,052,480 km

• M1: 113,246 km (0.084 R)
• M2: 419,622 km (0.068 R)
• M3: 917,633 km (0.069 R)
• M4: 1,302,249 km (0.099 R)
• M5: 2,162,138 km (0.116 R)
• M6: 3,109,691 km (0.088 R)
• M7: 3,440,153 km (0.084 R)
• M8: 3,946,841 km (0.091 R)
• M9: 4,799,399 km (0.097 R)
• M10: 6,301,661 km (0.097 R)
• M11: 7,739,745 km (0.116 R)
• M12: 8,953,582 km (0.099 R)
• M13: 10,503,117 km (0.098 R)
• M14: 13,151,448 km (0.111 R)
• M15: 13,968,252 km (0.119 R)
• M16: 14,336,114 km (0.104 R)
• M17: 16,504,983 km (0.12 R)
• M18: 17,094,549 km (0.042 R)
• M19: 17,820,547 km (0.06 R)
• M20: 18,191,101 km (0.115 R)
• M21: 19,398,805 km (0.088 R)
• M22: 20,188,532 km (0.042 R)
• M23: 22,542,604 km (0.065 R)
• M24: 23,268,453 km (0.068 R)
• M25: 26,248,742 km (0.11 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362

Radius: 14.6

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.3 AU - 5.76 AU

Year: 7173 Days

Day: 9.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,052,480 km

• M1: 183,557 km (0.12 R)
• M2: 663,915 km (0.069 R)
• M3: 1,155,644 km (0.034 R)
• M4: 1,929,513 km (0.103 R)
• M5: 2,994,650 km (0.059 R)
• M6: 3,725,286 km (0.108 R)
• M7: 4,180,961 km (0.105 R)
• M8: 6,750,155 km (0.102 R)
• M9: 8,160,863 km (0.076 R)
• M10: 8,896,436 km (0.078 R)
• M11: 9,845,634 km (0.096 R)
• M12: 10,545,004 km (0.099 R)
• M13: 11,656,068 km (0.118 R)
• M14: 12,190,880 km (0.1 R)
• M15: 12,691,135 km (0.103 R)
• M16: 13,467,399 km (0.107 R)
• M17: 18,873,716 km (0.101 R)
• M18: 20,510,167 km (0.101 R)
• M19: 26,817,064 km (0.114 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: 329 - 20,282 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit