🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.3

Radius: 9.3

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.62 AU - 0.76 AU

Year: 376 Days

Day: 8.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,257,921 km

• M1: 115,938 km (0.09 R)
• M2: 431,291 km (0.109 R)
• M3: 759,957 km (0.049 R)
• M4: 1,232,387 km (0.085 R)
• M5: 1,533,677 km (0.095 R)
• M6: 2,183,381 km (0.043 R)
• M7: 2,772,946 km (0.075 R)
• M8: 3,440,901 km (0.083 R)
• M9: 3,983,043 km (0.103 R)
• M10: 4,479,559 km (0.097 R)
• M11: 5,366,225 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.4

Radius: 10.2

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.9 AU - 1.26 AU

Year: 736 Days

Day: 13.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,257,921 km

• M1: 126,859 km (0.057 R)
• M2: 671,694 km (0.052 R)
• M3: 1,380,639 km (0.035 R)
• M4: 1,846,786 km (0.067 R)
• M5: 2,303,508 km (0.11 R)
• M6: 2,742,727 km (0.045 R)
• M7: 3,224,433 km (0.11 R)
• M8: 4,022,986 km (0.067 R)
• M9: 4,374,242 km (0.082 R)
• M10: 4,914,140 km (0.081 R)
• M11: 6,127,379 km (0.053 R)
• M12: 6,469,958 km (0.101 R)
• M13: 7,237,994 km (0.098 R)
• M14: 7,621,264 km (0.094 R)
• M15: 8,041,933 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.9

Radius: 12.3

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.26 AU - 1.44 AU

Year: 1029 Days

Day: 7.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,257,921 km

• M1: 153,637 km (0.063 R)
• M2: 661,971 km (0.076 R)
• M3: 1,185,713 km (0.116 R)
• M4: 1,578,557 km (0.071 R)
• M5: 2,139,698 km (0.096 R)
• M6: 2,905,939 km (0.034 R)
• M7: 3,508,220 km (0.119 R)
• M8: 4,964,256 km (0.042 R)
• M9: 5,687,711 km (0.079 R)
• M10: 6,393,514 km (0.095 R)
• M11: 8,388,850 km (0.119 R)
• M12: 8,811,464 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.2

Radius: 8.8

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.13 AU - 1.67 AU

Year: 1087 Days

Day: 7.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,257,921 km

• M1: 109,506 km (0.059 R)
• M2: 440,267 km (0.044 R)
• M3: 929,003 km (0.048 R)
• M4: 1,259,315 km (0.105 R)
• M5: 1,714,691 km (0.061 R)
• M6: 2,002,667 km (0.076 R)
• M7: 2,902,348 km (0.06 R)
• M8: 3,590,498 km (0.063 R)
• M9: 4,118,429 km (0.098 R)
• M10: 5,125,821 km (0.076 R)
• M11: 6,243,168 km (0.114 R)
• M12: 6,546,403 km (0.114 R)
• M13: 6,859,362 km (0.082 R)
• M14: 7,334,784 km (0.096 R)
• M15: 8,893,743 km (0.086 R)
• M16: 9,581,444 km (0.11 R)
• M17: 10,239,974 km (0.109 R)
• M18: 11,130,381 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.1

Radius: 10.1

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.46 AU - 2.4 AU

Year: 1759 Days

Day: 8.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,257,921 km

• M1: 125,662 km (0.096 R)
• M2: 613,351 km (0.098 R)
• M3: 1,083,537 km (0.08 R)
• M4: 1,756,578 km (0.107 R)
• M5: 2,158,248 km (0.098 R)
• M6: 2,515,339 km (0.119 R)
• M7: 3,163,995 km (0.104 R)
• M8: 4,118,280 km (0.119 R)
• M9: 4,652,494 km (0.089 R)
• M10: 5,104,279 km (0.115 R)
• M11: 5,473,188 km (0.071 R)
• M12: 5,859,898 km (0.094 R)
• M13: 11,964,539 km (0.09 R)
• M14: 14,291,384 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199

Radius: 6.2

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.11 AU - 9.87 AU

Year: 14816 Days

Day: 17.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,257,921 km

• M1: 124,765 km (0.088 R)
• M2: 639,232 km (0.051 R)
• M3: 843,433 km (0.063 R)
• M4: 1,543,551 km (0.117 R)
• M5: 4,164,356 km (0.11 R)
• M6: 4,574,703 km (0.113 R)
• M7: 6,138,898 km (0.09 R)
• M8: 6,489,855 km (0.117 R)
• M9: 7,231,860 km (0.029 R)
• M10: 8,707,942 km (0.104 R)
• M11: 11,386,343 km (0.034 R)
• M12: 12,911,792 km (0.092 R)
• M13: 16,361,968 km (0.064 R)
• M14: 19,921,799 km (0.093 R)
• M15: 26,545,544 km (0.102 R)
• M16: 27,008,250 km (0.083 R)
• M17: 35,161,932 km (0.08 R)
• M18: 40,034,784 km (0.085 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 17,813 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit