🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.2

Radius: 8.2

Gravity: 14.07 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.73 AU - 0.75 AU

Year: 439 Days

Day: 7.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,921,836 km

• M1: 102,026 km (0.092 R)
• M2: 387,458 km (0.085 R)
• M3: 670,946 km (0.082 R)
• M4: 1,251,386 km (0.072 R)
• M5: 1,858,305 km (0.118 R)
• M6: 2,252,196 km (0.099 R)
• M7: 2,627,238 km (0.109 R)
• M8: 2,963,833 km (0.09 R)
• M9: 3,516,298 km (0.103 R)
• M10: 4,065,023 km (0.036 R)
• M11: 4,456,820 km (0.04 R)
• M12: 5,149,009 km (0.036 R)
• M13: 6,094,019 km (0.092 R)
• M14: 6,627,485 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.5

Radius: 14.3

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.71 AU - 0.99 AU

Year: 541 Days

Day: 11.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,921,836 km

• M1: 177,872 km (0.111 R)
• M2: 666,010 km (0.083 R)
• M3: 1,186,910 km (0.097 R)
• M4: 1,659,489 km (0.12 R)
• M5: 2,129,376 km (0.106 R)
• M6: 2,854,776 km (0.099 R)
• M7: 3,577,184 km (0.073 R)
• M8: 4,433,632 km (0.046 R)
• M9: 4,880,182 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.7

Radius: 14

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.02 AU - 1.08 AU

Year: 743 Days

Day: 9.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,921,836 km

• M1: 174,132 km (0.114 R)
• M2: 863,329 km (0.09 R)
• M3: 1,682,826 km (0.112 R)
• M4: 2,165,878 km (0.081 R)
• M5: 3,243,880 km (0.057 R)
• M6: 4,710,089 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.8

Radius: 8.3

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.1 AU - 1.54 AU

Year: 1047 Days

Day: 14.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,921,836 km

• M1: 103,821 km (0.11 R)
• M2: 415,284 km (0.038 R)
• M3: 863,479 km (0.056 R)
• M4: 1,132,157 km (0.094 R)
• M5: 1,612,216 km (0.093 R)
• M6: 2,189,215 km (0.059 R)
• M7: 2,700,690 km (0.071 R)
• M8: 3,188,230 km (0.107 R)
• M9: 3,591,396 km (0.079 R)
• M10: 4,338,937 km (0.106 R)
• M11: 4,646,959 km (0.089 R)
• M12: 6,095,066 km (0.101 R)
• M13: 6,366,736 km (0.088 R)
• M14: 7,305,911 km (0.107 R)
• M15: 7,901,610 km (0.107 R)
• M16: 8,307,170 km (0.114 R)
• M17: 8,669,945 km (0.088 R)
• M18: 11,240,485 km (0.092 R)
• M19: 11,512,304 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.6

Radius: 8

Gravity: 11.54 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.23 AU - 1.67 AU

Year: 1205 Days

Day: 10 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,921,836 km

• M1: 100,081 km (0.084 R)
• M2: 366,216 km (0.1 R)
• M3: 663,616 km (0.084 R)
• M4: 1,161,777 km (0.11 R)
• M5: 1,742,965 km (0.065 R)
• M6: 1,993,092 km (0.075 R)
• M7: 3,173,569 km (0.045 R)
• M8: 3,740,994 km (0.114 R)
• M9: 5,382,382 km (0.103 R)
• M10: 5,852,717 km (0.095 R)
• M11: 8,769,577 km (0.116 R)
• M12: 11,639,462 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.7

Radius: 14.5

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.89 AU - 5.11 AU

Year: 7717 Days

Day: 10.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,921,836 km

• M1: 183,407 km (0.105 R)
• M2: 1,158,785 km (0.09 R)
• M3: 2,411,069 km (0.036 R)
• M4: 3,381,510 km (0.093 R)
• M5: 4,462,654 km (0.076 R)
• M6: 5,143,474 km (0.097 R)
• M7: 6,931,468 km (0.056 R)
• M8: 9,060,395 km (0.109 R)
• M9: 9,551,974 km (0.082 R)
• M10: 11,909,636 km (0.083 R)
• M11: 14,331,476 km (0.049 R)
• M12: 16,269,965 km (0.098 R)
• M13: 16,730,876 km (0.113 R)
• M14: 18,448,858 km (0.106 R)
• M15: 21,595,649 km (0.112 R)
• M16: 22,475,584 km (0.097 R)
• M17: 24,307,260 km (0.112 R)
• M18: 26,326,532 km (0.11 R)
• M19: 31,605,393 km (0.08 R)
• M20: 34,115,495 km (0.046 R)
• M21: 37,665,453 km (0.038 R)
• M22: 39,767,004 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.3

Radius: 14.2

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.77 AU - 6.23 AU

Year: 8903 Days

Day: 7.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,921,836 km

• M1: 182,809 km (0.111 R)
• M2: 1,001,408 km (0.067 R)
• M3: 1,698,534 km (0.107 R)
• M4: 4,837,846 km (0.058 R)
• M5: 6,067,091 km (0.08 R)
• M6: 6,697,796 km (0.099 R)
• M7: 7,662,403 km (0.07 R)
• M8: 9,425,264 km (0.117 R)
• M9: 10,427,869 km (0.113 R)
• M10: 12,883,219 km (0.118 R)
• M11: 13,368,066 km (0.119 R)
• M12: 15,228,465 km (0.112 R)
• M13: 16,256,053 km (0.116 R)
• M14: 19,143,890 km (0.115 R)
• M15: 34,832,967 km (0.088 R)
• M16: 42,859,790 km (0.102 R)
• M17: 47,157,438 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.8

Radius: 7.8

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.26 AU - 9.5 AU

Year: 16745 Days

Day: 18.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,921,836 km

• M1: 169,046 km (0.079 R)
• M2: 841,039 km (0.098 R)
• M3: 1,360,892 km (0.112 R)
• M4: 2,554,832 km (0.04 R)
• M5: 4,301,388 km (0.118 R)
• M6: 5,142,128 km (0.068 R)
• M7: 5,493,234 km (0.07 R)
• M8: 5,785,548 km (0.067 R)
• M9: 7,450,124 km (0.112 R)
• M10: 9,104,826 km (0.046 R)
• M11: 9,515,023 km (0.112 R)
• M12: 10,099,053 km (0.08 R)
• M13: 12,055,943 km (0.114 R)
• M14: 12,930,642 km (0.118 R)
• M15: 16,177,364 km (0.046 R)
• M16: 20,621,767 km (0.116 R)
• M17: 22,236,676 km (0.095 R)
• M18: 25,615,045 km (0.051 R)
• M19: 31,707,568 km (0.098 R)
• M20: 35,087,433 km (0.115 R)
• M21: 41,010,012 km (0.116 R)
• M22: 48,026,302 km (0.101 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 11,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit