🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.4

Radius: 9.2

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.61 AU - 1.01 AU

Year: 494 Days

Day: 10.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 92,744,734 km

• M1: 114,592 km (0.106 R)
• M2: 408,701 km (0.09 R)
• M3: 857,196 km (0.108 R)
• M4: 1,480,720 km (0.068 R)
• M5: 2,494,844 km (0.094 R)
• M6: 3,364,007 km (0.058 R)
• M7: 4,215,070 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.4

Radius: 12.2

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.71 AU - 2.41 AU

Year: 2005 Days

Day: 10.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,744,734 km

• M1: 151,692 km (0.105 R)
• M2: 591,211 km (0.059 R)
• M3: 1,017,116 km (0.112 R)
• M4: 1,655,300 km (0.1 R)
• M5: 2,257,581 km (0.116 R)
• M6: 2,674,960 km (0.119 R)
• M7: 3,080,519 km (0.091 R)
• M8: 3,650,338 km (0.102 R)
• M9: 4,094,045 km (0.052 R)
• M10: 4,806,131 km (0.08 R)
• M11: 5,915,399 km (0.053 R)
• M12: 6,346,839 km (0.071 R)
• M13: 7,188,028 km (0.114 R)
• M14: 8,256,606 km (0.051 R)
• M15: 9,192,191 km (0.1 R)
• M16: 13,135,291 km (0.057 R)
• M17: 16,447,687 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.1

Radius: 11.7

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.17 AU - 2.25 AU

Year: 2228 Days

Day: 7.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 92,744,734 km

• M1: 147,952 km (0.095 R)
• M2: 686,953 km (0.087 R)
• M3: 1,203,066 km (0.079 R)
• M4: 1,834,219 km (0.115 R)
• M5: 2,366,040 km (0.094 R)
• M6: 2,796,583 km (0.094 R)
• M7: 3,211,866 km (0.063 R)
• M8: 3,668,439 km (0.03 R)
• M9: 4,351,802 km (0.065 R)
• M10: 4,823,484 km (0.12 R)
• M11: 5,644,477 km (0.087 R)
• M12: 6,501,823 km (0.039 R)
• M13: 7,091,089 km (0.057 R)
• M14: 7,473,610 km (0.117 R)
• M15: 8,312,555 km (0.117 R)
• M16: 8,905,860 km (0.108 R)
• M17: 10,626,984 km (0.105 R)
• M18: 11,485,975 km (0.071 R)
• M19: 11,891,385 km (0.109 R)
• M20: 12,688,143 km (0.041 R)
• M21: 14,156,297 km (0.1 R)
• M22: 16,387,699 km (0.072 R)
• M23: 17,427,404 km (0.043 R)
• M24: 18,235,681 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.2

Radius: 14

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.59 AU - 2.67 AU

Year: 2893 Days

Day: 13.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,744,734 km

• M1: 175,777 km (0.057 R)
• M2: 763,398 km (0.116 R)
• M3: 1,237,324 km (0.085 R)
• M4: 3,881,766 km (0.075 R)
• M5: 4,321,284 km (0.091 R)
• M6: 4,840,987 km (0.048 R)
• M7: 5,326,731 km (0.087 R)
• M8: 6,715,448 km (0.118 R)
• M9: 7,964,291 km (0.11 R)
• M10: 8,539,944 km (0.087 R)
• M11: 9,399,683 km (0.063 R)
• M12: 10,395,556 km (0.12 R)
• M13: 12,687,695 km (0.1 R)
• M14: 14,097,804 km (0.061 R)
• M15: 15,196,451 km (0.104 R)
• M16: 18,895,557 km (0.092 R)
• M17: 21,563,486 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.2

Radius: 14.8

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.69 AU - 3.75 AU

Year: 3919 Days

Day: 9.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 92,744,734 km

• M1: 184,155 km (0.115 R)
• M2: 762,949 km (0.076 R)
• M3: 1,399,787 km (0.085 R)
• M4: 2,816,330 km (0.1 R)
• M5: 9,083,882 km (0.074 R)
• M6: 10,784,660 km (0.086 R)
• M7: 12,449,535 km (0.112 R)
• M8: 12,932,138 km (0.109 R)
• M9: 14,988,659 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.2

Radius: 6.9

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.16 AU - 8.24 AU

Year: 14492 Days

Day: 23.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 92,744,734 km

• M1: 87,216 km (0.09 R)
• M2: 607,517 km (0.074 R)
• M3: 1,547,141 km (0.101 R)
• M4: 3,070,347 km (0.085 R)
• M5: 3,342,914 km (0.081 R)
• M6: 7,147,188 km (0.08 R)
• M7: 10,358,306 km (0.036 R)
• M8: 11,504,525 km (0.078 R)
• M9: 12,220,351 km (0.12 R)
• M10: 15,513,748 km (0.108 R)
• M11: 18,674,901 km (0.098 R)
• M12: 20,604,564 km (0.109 R)
• M13: 27,088,584 km (0.069 R)
• M14: 34,361,285 km (0.053 R)
• M15: 44,548,301 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57

Radius: 7.1

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.06 AU - 12.26 AU

Year: 21965 Days

Day: 18.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,744,734 km

• M1: 88,263 km (0.093 R)
• M2: 551,867 km (0.086 R)
• M3: 870,959 km (0.053 R)
• M4: 1,963,322 km (0.047 R)
• M5: 5,309,827 km (0.083 R)
• M6: 14,323,547 km (0.104 R)
• M7: 18,557,017 km (0.034 R)
• M8: 18,902,738 km (0.09 R)
• M9: 19,966,229 km (0.102 R)
• M10: 25,716,024 km (0.029 R)
• M11: 26,756,028 km (0.089 R)
• M12: 29,478,260 km (0.12 R)
• M13: 32,982,142 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.8

Radius: 4.1

Gravity: 55.91 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.73 AU - 11.21 AU

Year: 22978 Days

Day: 21.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 92,744,734 km

• M1: 77,641 km (0.109 R)
• M2: 245,341 km (0.118 R)
• M3: 382,971 km (0.085 R)
• M4: 909,405 km (0.089 R)
• M5: 1,208,452 km (0.115 R)
• M6: 1,661,434 km (0.11 R)
• M7: 2,382,645 km (0.084 R)
• M8: 3,262,430 km (0.065 R)
• M9: 4,268,476 km (0.113 R)
• M10: 4,822,736 km (0.029 R)
• M11: 5,423,521 km (0.087 R)
• M12: 6,028,046 km (0.115 R)
• M13: 9,073,410 km (0.114 R)
• M14: 10,238,179 km (0.097 R)
• M15: 12,785,980 km (0.087 R)
• M16: 13,617,894 km (0.098 R)
• M17: 16,242,439 km (0.081 R)
• M18: 17,127,011 km (0.113 R)
• M19: 21,823,337 km (0.117 R)
• M20: 30,767,345 km (0.114 R)
• M21: 41,387,149 km (0.079 R)
• M22: 43,365,730 km (0.101 R)
• M23: 50,415,081 km (0.098 R)
• M24: 52,669,820 km (0.06 R)
• M25: 59,215,325 km (0.086 R)
• M26: 59,835,857 km (0.081 R)
• M27: 61,723,782 km (0.094 R)
• M28: 69,672,216 km (0.119 R)
• M29: 71,995,322 km (0.101 R)
• M30: 74,129,934 km (0.054 R)
• M31: 81,039,560 km (0.211 R)
• M32: 83,089,949 km (0.116 R)
• M33: 91,912,932 km (0.079 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 18,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit