🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.3 AU - 2.02 AU

Year: 770 Days

Day: 29.6 Hours

Environment

Temp: -49 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,355,572 km

• M1: 344,075 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.8

Radius: 14.8

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.05 AU - 6.15 AU

Year: 4145 Days

Day: 11.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,355,572 km

• M1: 184,005 km (0.107 R)
• M2: 691,890 km (0.119 R)
• M3: 1,187,059 km (0.059 R)
• M4: 1,930,112 km (0.074 R)
• M5: 3,023,971 km (0.096 R)
• M6: 3,751,615 km (0.06 R)
• M7: 4,292,412 km (0.083 R)
• M8: 5,948,161 km (0.12 R)
• M9: 6,534,884 km (0.085 R)
• M10: 7,063,862 km (0.066 R)
• M11: 10,275,728 km (0.115 R)
• M12: 13,397,836 km (0.07 R)
• M13: 14,513,836 km (0.057 R)
• M14: 15,691,021 km (0.09 R)
• M15: 18,357,304 km (0.065 R)
• M16: 19,099,759 km (0.06 R)
• M17: 19,862,259 km (0.118 R)
• M18: 22,064,190 km (0.093 R)
• M19: 22,691,903 km (0.045 R)
• M20: 24,056,385 km (0.06 R)
• M21: 25,171,787 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.7

Radius: 12.8

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 6.59 AU - 7.23 AU

Year: 6537 Days

Day: 14.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,355,572 km

• M1: 164,258 km (0.063 R)
• M2: 583,731 km (0.06 R)
• M3: 1,116,599 km (0.099 R)
• M4: 2,267,455 km (0.118 R)
• M5: 2,812,739 km (0.072 R)
• M6: 3,294,145 km (0.057 R)
• M7: 4,636,188 km (0.077 R)
• M8: 5,431,300 km (0.104 R)
• M9: 6,653,515 km (0.09 R)
• M10: 7,403,449 km (0.118 R)
• M11: 8,090,552 km (0.106 R)
• M12: 8,695,227 km (0.077 R)
• M13: 9,504,252 km (0.073 R)
• M14: 9,949,904 km (0.069 R)
• M15: 12,234,862 km (0.054 R)
• M16: 12,709,386 km (0.108 R)
• M17: 14,497,081 km (0.103 R)
• M18: 15,208,868 km (0.071 R)
• M19: 21,769,033 km (0.105 R)
• M20: 22,545,446 km (0.118 R)
• M21: 25,154,134 km (0.077 R)
• M22: 25,836,599 km (0.107 R)
• M23: 29,529,572 km (0.11 R)
• M24: 30,770,487 km (0.098 R)
• M25: 31,649,674 km (0.047 R)
• M26: 32,145,291 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 12.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.9

Radius: 12.8

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 10.55 AU - 14.07 AU

Year: 15544 Days

Day: 7.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 34,355,572 km

• M1: 173,982 km (0.043 R)
• M2: 686,505 km (0.086 R)
• M3: 1,120,488 km (0.067 R)
• M4: 1,795,922 km (0.078 R)
• M5: 2,849,839 km (0.032 R)
• M6: 4,643,668 km (0.049 R)
• M7: 5,433,245 km (0.104 R)
• M8: 6,268,749 km (0.087 R)
• M9: 7,996,605 km (0.11 R)
• M10: 9,185,908 km (0.048 R)
• M11: 10,549,193 km (0.099 R)
• M12: 11,341,763 km (0.065 R)
• M13: 12,571,307 km (0.058 R)
• M14: 13,887,769 km (0.098 R)
• M15: 15,141,698 km (0.043 R)
• M16: 16,631,094 km (0.098 R)
• M17: 17,038,898 km (0.116 R)
• M18: 17,959,374 km (0.113 R)
• M19: 18,562,253 km (0.09 R)
• M20: 20,174,619 km (0.109 R)
• M21: 21,109,756 km (0.038 R)
• M22: 25,248,381 km (0.082 R)
• M23: 28,832,895 km (0.062 R)
• M24: 30,381,383 km (0.073 R)
• M25: 32,362,507 km (0.062 R)
• M26: 35,359,402 km (0.038 R)
• M27: 37,132,735 km (0.094 R)
• M28: 37,830,310 km (0.097 R)
• M29: 43,884,386 km (0.096 R)
• M30: 45,136,670 km (0.06 R)
• M31: 49,203,338 km (0.106 R)
• M32: 51,584,338 km (0.093 R)
• M33: 60,522,661 km (0.104 R)
• M34: 65,052,933 km (0.053 R)
• M35: 71,940,718 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.5

Radius: 3.6

Gravity: 60.38 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 12.53 AU - 14.59 AU

Year: 17971 Days

Day: 23.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 34,355,572 km

• M1: 44,730 km (0.084 R)
• M2: 448,345 km (0.083 R)
• M3: 899,233 km (0.112 R)
• M4: 1,850,077 km (0.118 R)
• M5: 2,704,730 km (0.068 R)
• M6: 2,928,378 km (0.108 R)
• M7: 4,401,768 km (0.075 R)
• M8: 4,961,862 km (0.038 R)
• M9: 5,296,961 km (0.051 R)
• M10: 6,393,065 km (0.04 R)
• M11: 6,523,514 km (0.114 R)
• M12: 7,202,539 km (0.113 R)
• M13: 7,927,490 km (0.06 R)
• M14: 9,521,007 km (0.047 R)
• M15: 10,633,566 km (0.099 R)
• M16: 11,830,050 km (0.091 R)
• M17: 13,752,532 km (0.088 R)
• M18: 14,043,201 km (0.105 R)
• M19: 14,412,109 km (0.106 R)
• M20: 15,246,716 km (0.064 R)
• M21: 15,479,789 km (0.114 R)
• M22: 16,928,495 km (0.094 R)
• M23: 21,324,877 km (0.099 R)
• M24: 21,518,906 km (0.106 R)
• M25: 26,313,667 km (0.074 R)
• M26: 32,281,425 km (0.066 R)
• M27: 35,441,531 km (0.073 R)
• M28: 40,707,376 km (0.094 R)
• M29: 42,828,374 km (0.117 R)
• M30: 49,972,421 km (0.084 R)
• M31: 58,248,175 km (0.103 R)
• M32: 59,967,354 km (0.032 R)
• M33: 60,160,485 km (0.097 R)
• M34: 62,114,233 km (0.09 R)
• M35: 65,327,595 km (0.074 R)
• M36: 69,285,207 km (0.099 R)
• M37: 69,497,785 km (0.105 R)
• M38: 71,214,271 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44.8

Radius: 7.9

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 13.33 AU - 19.31 AU

Year: 23727 Days

Day: 21.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,355,572 km

• M1: 107,262 km (0.104 R)
• M2: 679,773 km (0.1 R)
• M3: 951,143 km (0.078 R)
• M4: 2,145,981 km (0.067 R)
• M5: 3,157,861 km (0.047 R)
• M6: 4,030,615 km (0.119 R)
• M7: 4,484,047 km (0.102 R)
• M8: 5,462,566 km (0.071 R)
• M9: 6,276,977 km (0.087 R)
• M10: 6,851,582 km (0.107 R)
• M11: 7,134,023 km (0.043 R)
• M12: 7,572,046 km (0.112 R)
• M13: 7,873,934 km (0.105 R)
• M14: 9,857,752 km (0.099 R)
• M15: 11,949,579 km (0.104 R)
• M16: 16,044,521 km (0.104 R)
• M17: 20,694,173 km (0.066 R)
• M18: 25,743,699 km (0.089 R)
• M19: 28,733,861 km (0.114 R)
• M20: 29,100,227 km (0.061 R)
• M21: 34,150,501 km (0.039 R)

Kuiper Belt

Range: 30.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 17,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit