🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.59 AU - 0.65 AU

Year: 320 Days

Day: 26.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.8

Radius: 8.9

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.75 AU - 0.77 AU

Year: 435 Days

Day: 12.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 8,980,872 km

• M1: 113,994 km (0.072 R)
• M2: 173,982 km (0.025 R)
• M3: 242,498 km (0.118 R)
• M4: 301,440 km (0.05 R)
• M5: 378,034 km (0.12 R)
• M6: 486,492 km (0.118 R)
• M7: 596,896 km (0.101 R)
• M8: 702,212 km (0.117 R)
• M9: 885,919 km (0.112 R)
• M10: 987,795 km (0.101 R)
• M11: 1,190,949 km (0.099 R)
• M12: 1,308,682 km (0.075 R)
• M13: 1,453,343 km (0.053 R)
• M14: 1,532,481 km (0.114 R)
• M15: 1,608,327 km (0.116 R)
• M16: 1,675,795 km (0.115 R)
• M17: 1,783,655 km (0.057 R)
• M18: 1,893,909 km (0.109 R)
• M19: 1,965,267 km (0.087 R)
• M20: 2,042,909 km (0.086 R)
• M21: 2,116,211 km (0.063 R)
• M22: 2,281,667 km (0.081 R)
• M23: 2,418,250 km (0.054 R)
• M24: 2,574,579 km (0.09 R)
• M25: 2,642,646 km (0.118 R)
• M26: 2,705,477 km (0.067 R)
• M27: 2,768,907 km (0.049 R)
• M28: 2,968,022 km (0.116 R)
• M29: 3,153,822 km (0.092 R)
• M30: 3,238,943 km (0.057 R)
• M31: 3,430,279 km (0.078 R)
• M32: 3,536,793 km (0.109 R)
• M33: 3,612,639 km (0.111 R)
• M34: 3,721,097 km (0.089 R)
• M35: 3,901,961 km (0.093 R)
• M36: 3,980,351 km (0.114 R)
• M37: 4,046,174 km (0.078 R)
• M38: 4,158,821 km (0.094 R)
• M39: 4,252,469 km (0.111 R)
• M40: 4,530,422 km (0.109 R)
• M41: 4,626,763 km (0.071 R)
• M42: 4,723,852 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.8

Radius: 13.1

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.74 AU - 0.92 AU

Year: 496 Days

Day: 12.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 8,980,872 km

• M1: 173,384 km (0.047 R)
• M2: 278,551 km (0.035 R)
• M3: 369,357 km (0.093 R)
• M4: 481,556 km (0.118 R)
• M5: 687,552 km (0.084 R)
• M6: 783,893 km (0.101 R)
• M7: 914,193 km (0.054 R)
• M8: 1,142,629 km (0.119 R)
• M9: 1,227,151 km (0.097 R)
• M10: 1,615,059 km (0.103 R)
• M11: 1,706,613 km (0.08 R)
• M12: 1,799,962 km (0.112 R)
• M13: 1,943,276 km (0.119 R)
• M14: 2,036,177 km (0.099 R)
• M15: 2,130,573 km (0.113 R)
• M16: 2,246,960 km (0.063 R)
• M17: 2,407,329 km (0.112 R)
• M18: 2,502,324 km (0.055 R)
• M19: 2,587,744 km (0.059 R)
• M20: 2,684,983 km (0.113 R)
• M21: 2,866,744 km (0.076 R)
• M22: 2,984,627 km (0.098 R)
• M23: 3,081,267 km (0.078 R)
• M24: 3,184,789 km (0.095 R)
• M25: 3,407,092 km (0.1 R)
• M26: 3,762,536 km (0.102 R)
• M27: 3,891,938 km (0.104 R)
• M28: 4,016,703 km (0.093 R)
• M29: 4,136,381 km (0.119 R)
• M30: 4,225,392 km (0.084 R)
• M31: 4,334,449 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.6

Radius: 13.7

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.85 AU - 1.41 AU

Year: 788 Days

Day: 7 Hours

Environment

Temp: -170 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 8,980,872 km

• M1: 191,934 km (0.119 R)
• M2: 296,353 km (0.044 R)
• M3: 498,161 km (0.028 R)
• M4: 594,203 km (0.098 R)
• M5: 721,810 km (0.074 R)
• M6: 839,842 km (0.112 R)
• M7: 927,806 km (0.068 R)
• M8: 1,069,326 km (0.063 R)
• M9: 1,183,469 km (0.074 R)
• M10: 1,338,602 km (0.057 R)
• M11: 1,450,202 km (0.089 R)
• M12: 1,565,093 km (0.031 R)
• M13: 1,656,796 km (0.066 R)
• M14: 1,763,908 km (0.087 R)
• M15: 2,035,129 km (0.094 R)
• M16: 2,128,628 km (0.075 R)
• M17: 2,335,223 km (0.12 R)
• M18: 2,618,561 km (0.048 R)
• M19: 2,864,799 km (0.114 R)
• M20: 2,994,800 km (0.065 R)
• M21: 3,168,632 km (0.096 R)
• M22: 3,354,433 km (0.094 R)
• M23: 3,587,507 km (0.082 R)
• M24: 3,683,997 km (0.095 R)
• M25: 3,790,212 km (0.03 R)
• M26: 4,060,535 km (0.068 R)
• M27: 4,188,890 km (0.082 R)
• M28: 4,290,766 km (0.119 R)
• M29: 4,687,200 km (0.117 R)
• M30: 4,792,966 km (0.059 R)
• M31: 4,909,353 km (0.028 R)
• M32: 5,115,350 km (0.064 R)
• M33: 5,244,303 km (0.043 R)
• M34: 5,354,257 km (0.104 R)
• M35: 5,905,376 km (0.113 R)
• M36: 6,453,353 km (0.053 R)
• M37: 6,962,734 km (0.071 R)
• M38: 7,227,971 km (0.118 R)
• M39: 7,598,076 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.8

Radius: 12

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.37 AU - 1.99 AU

Year: 1428 Days

Day: 7 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 8,980,872 km

• M1: 165,455 km (0.066 R)
• M2: 341,682 km (0.091 R)
• M3: 420,220 km (0.103 R)
• M4: 582,385 km (0.078 R)
• M5: 662,270 km (0.092 R)
• M6: 757,414 km (0.108 R)
• M7: 1,110,764 km (0.112 R)
• M8: 1,478,775 km (0.119 R)
• M9: 1,557,164 km (0.107 R)
• M10: 1,651,560 km (0.048 R)
• M11: 1,946,717 km (0.114 R)
• M12: 2,226,166 km (0.066 R)
• M13: 2,417,053 km (0.103 R)
• M14: 2,850,887 km (0.086 R)
• M15: 3,489,670 km (0.12 R)
• M16: 3,683,100 km (0.11 R)
• M17: 3,830,453 km (0.113 R)
• M18: 4,387,855 km (0.064 R)
• M19: 5,068,825 km (0.095 R)
• M20: 5,332,715 km (0.094 R)
• M21: 5,691,601 km (0.114 R)
• M22: 6,209,808 km (0.074 R)
• M23: 6,338,761 km (0.079 R)
• M24: 6,421,339 km (0.037 R)
• M25: 6,563,607 km (0.109 R)
• M26: 6,779,177 km (0.089 R)
• M27: 7,131,330 km (0.037 R)
• M28: 7,439,801 km (0.112 R)
• M29: 7,589,549 km (0.106 R)
• M30: 7,993,463 km (0.055 R)
• M31: 8,185,247 km (0.088 R)
• M32: 8,275,305 km (0.094 R)
• M33: 8,534,259 km (0.091 R)
• M34: 8,704,203 km (0.069 R)
• M35: 8,796,056 km (0.103 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 11,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit