🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.02 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.74 AU - 2.32 AU

Year: 1321 Days

Day: 26.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.5

Radius: 8.5

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.2 AU - 2.56 AU

Year: 1676 Days

Day: 11 Hours

Environment

Temp: -144 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,029,889 km

• M1: 105,766 km (0.081 R)
• M2: 543,788 km (0.091 R)
• M3: 996,920 km (0.118 R)
• M4: 1,431,053 km (0.038 R)
• M5: 1,887,028 km (0.087 R)
• M6: 2,271,793 km (0.114 R)
• M7: 3,168,184 km (0.07 R)
• M8: 3,576,287 km (0.102 R)
• M9: 3,964,194 km (0.034 R)
• M10: 4,263,839 km (0.101 R)
• M11: 4,721,010 km (0.085 R)
• M12: 5,036,512 km (0.11 R)
• M13: 5,616,951 km (0.037 R)
• M14: 5,971,648 km (0.077 R)
• M15: 7,346,303 km (0.1 R)
• M16: 10,388,824 km (0.066 R)
• M17: 11,403,098 km (0.088 R)
• M18: 11,819,129 km (0.115 R)
• M19: 13,754,327 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.6

Radius: 12.2

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.53 AU - 5.63 AU

Year: 5228 Days

Day: 7.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,029,889 km

• M1: 151,842 km (0.113 R)
• M2: 1,129,614 km (0.055 R)
• M3: 2,481,230 km (0.118 R)
• M4: 3,812,053 km (0.046 R)
• M5: 4,989,837 km (0.072 R)
• M6: 5,755,628 km (0.111 R)
• M7: 7,558,283 km (0.046 R)
• M8: 8,690,888 km (0.104 R)
• M9: 9,319,499 km (0.093 R)
• M10: 10,434,601 km (0.037 R)
• M11: 11,586,804 km (0.12 R)
• M12: 13,361,783 km (0.088 R)
• M13: 18,856,812 km (0.053 R)
• M14: 21,153,737 km (0.05 R)
• M15: 21,908,159 km (0.056 R)
• M16: 23,073,527 km (0.089 R)
• M17: 23,792,195 km (0.109 R)
• M18: 26,556,016 km (0.117 R)
• M19: 27,168,619 km (0.069 R)
• M20: 30,090,265 km (0.108 R)
• M21: 31,334,920 km (0.095 R)
• M22: 32,216,500 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.4

Radius: 11.6

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.36 AU - 5.92 AU

Year: 6115 Days

Day: 8.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 136.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,029,889 km

• M1: 144,212 km (0.115 R)
• M2: 802,443 km (0.095 R)
• M3: 1,676,543 km (0.096 R)
• M4: 2,260,873 km (0.046 R)
• M5: 2,959,794 km (0.116 R)
• M6: 3,508,818 km (0.112 R)
• M7: 4,712,931 km (0.119 R)
• M8: 5,302,497 km (0.11 R)
• M9: 5,883,385 km (0.103 R)
• M10: 6,598,762 km (0.038 R)
• M11: 7,238,443 km (0.083 R)
• M12: 8,024,729 km (0.066 R)
• M13: 9,173,641 km (0.049 R)
• M14: 10,471,253 km (0.062 R)
• M15: 11,076,077 km (0.091 R)
• M16: 12,594,046 km (0.116 R)
• M17: 14,298,714 km (0.092 R)
• M18: 14,935,552 km (0.1 R)
• M19: 15,646,740 km (0.062 R)
• M20: 16,843,075 km (0.105 R)
• M21: 17,493,526 km (0.079 R)
• M22: 18,038,212 km (0.092 R)
• M23: 18,907,974 km (0.105 R)
• M24: 23,026,703 km (0.085 R)
• M25: 23,461,584 km (0.045 R)
• M26: 25,564,182 km (0.114 R)
• M27: 26,187,257 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338

Radius: 6.6

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 9.18 AU - 11.5 AU

Year: 15180 Days

Day: 21.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 50,029,889 km

• M1: 84,074 km (0.089 R)
• M2: 302,337 km (0.108 R)
• M3: 606,769 km (0.101 R)
• M4: 816,655 km (0.069 R)
• M5: 1,430,604 km (0.07 R)
• M6: 1,796,670 km (0.049 R)
• M7: 2,027,949 km (0.032 R)
• M8: 3,302,822 km (0.03 R)
• M9: 3,889,395 km (0.03 R)
• M10: 4,109,005 km (0.113 R)
• M11: 4,395,185 km (0.109 R)
• M12: 4,849,365 km (0.117 R)
• M13: 6,176,896 km (0.092 R)
• M14: 6,400,844 km (0.107 R)
• M15: 7,860,022 km (0.118 R)
• M16: 8,123,164 km (0.105 R)
• M17: 8,667,102 km (0.108 R)
• M18: 12,690,687 km (0.114 R)
• M19: 15,996,052 km (0.046 R)
• M20: 16,490,323 km (0.085 R)
• M21: 16,994,917 km (0.087 R)
• M22: 19,672,718 km (0.101 R)
• M23: 20,486,680 km (0.12 R)
• M24: 20,901,964 km (0.099 R)
• M25: 23,967,673 km (0.084 R)
• M26: 29,160,814 km (0.109 R)
• M27: 33,086,411 km (0.087 R)
• M28: 33,658,025 km (0.096 R)
• M29: 35,175,247 km (0.1 R)
• M30: 37,970,034 km (0.06 R)
• M31: 41,040,530 km (0.075 R)
• M32: 45,668,041 km (0.088 R)
• M33: 46,948,749 km (0.111 R)
• M34: 47,525,598 km (0.082 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 17,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit