🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.5

Radius: 10.7

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.43 AU - 0.67 AU

Year: 282 Days

Day: 6.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,615,578 km

• M1: 133,142 km (0.108 R)
• M2: 478,564 km (0.058 R)
• M3: 819,348 km (0.047 R)
• M4: 1,256,921 km (0.096 R)
• M5: 1,661,284 km (0.085 R)
• M6: 2,102,149 km (0.112 R)
• M7: 2,497,387 km (0.078 R)
• M8: 3,099,069 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.6

Radius: 10.8

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.63 AU - 0.63 AU

Year: 345 Days

Day: 11.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,615,578 km

• M1: 134,339 km (0.116 R)
• M2: 496,067 km (0.052 R)
• M3: 848,519 km (0.094 R)
• M4: 1,411,007 km (0.064 R)
• M5: 2,013,587 km (0.098 R)
• M6: 2,548,849 km (0.064 R)
• M7: 2,931,370 km (0.08 R)
• M8: 3,300,129 km (0.105 R)
• M9: 3,644,055 km (0.085 R)
• M10: 4,254,563 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.3

Radius: 14.9

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.69 AU - 0.85 AU

Year: 466 Days

Day: 8.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,615,578 km

• M1: 186,100 km (0.071 R)
• M2: 717,471 km (0.086 R)
• M3: 1,193,791 km (0.031 R)
• M4: 1,702,125 km (0.085 R)
• M5: 2,248,007 km (0.073 R)
• M6: 2,772,797 km (0.116 R)
• M7: 3,308,207 km (0.071 R)
• M8: 3,833,146 km (0.097 R)
• M9: 4,298,994 km (0.068 R)
• M10: 5,165,914 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.5

Radius: 13.3

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.84 AU - 0.94 AU

Year: 580 Days

Day: 11.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,615,578 km

• M1: 165,605 km (0.103 R)
• M2: 641,326 km (0.11 R)
• M3: 1,288,187 km (0.113 R)
• M4: 1,768,247 km (0.116 R)
• M5: 2,410,620 km (0.097 R)
• M6: 3,174,168 km (0.113 R)
• M7: 3,925,149 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885

Radius: 10.9

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.1 AU - 1.82 AU

Year: 1218 Days

Day: 9.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,615,578 km

• M1: 136,882 km (0.115 R)
• M2: 551,418 km (0.073 R)
• M3: 941,569 km (0.083 R)
• M4: 1,338,751 km (0.081 R)
• M5: 1,712,297 km (0.103 R)
• M6: 2,364,095 km (0.084 R)
• M7: 2,781,772 km (0.065 R)
• M8: 3,130,784 km (0.071 R)
• M9: 3,685,344 km (0.076 R)
• M10: 4,161,065 km (0.092 R)
• M11: 4,793,565 km (0.119 R)
• M12: 5,467,802 km (0.095 R)
• M13: 5,974,191 km (0.092 R)
• M14: 8,377,331 km (0.119 R)
• M15: 8,783,489 km (0.103 R)
• M16: 10,146,625 km (0.107 R)
• M17: 10,575,073 km (0.07 R)
• M18: 11,257,988 km (0.09 R)
• M19: 11,789,210 km (0.118 R)
• M20: 12,152,583 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.6

Radius: 6

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.14 AU - 7.06 AU

Year: 10399 Days

Day: 24.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 22,615,578 km

• M1: 77,641 km (0.051 R)
• M2: 281,842 km (0.106 R)
• M3: 1,063,042 km (0.089 R)
• M4: 1,650,813 km (0.105 R)
• M5: 1,859,801 km (0.094 R)
• M6: 2,939,149 km (0.116 R)
• M7: 3,312,246 km (0.03 R)
• M8: 4,229,132 km (0.086 R)
• M9: 4,787,730 km (0.104 R)
• M10: 5,215,879 km (0.107 R)
• M11: 6,181,534 km (0.082 R)
• M12: 7,334,784 km (0.096 R)
• M13: 8,178,964 km (0.073 R)
• M14: 8,501,497 km (0.111 R)
• M15: 11,544,767 km (0.036 R)
• M16: 14,124,881 km (0.113 R)
• M17: 14,707,116 km (0.089 R)
• M18: 14,944,378 km (0.112 R)
• M19: 17,130,901 km (0.097 R)
• M20: 18,956,893 km (0.108 R)
• M21: 21,284,336 km (0.049 R)
• M22: 22,204,064 km (0.069 R)
• M23: 27,471,854 km (0.035 R)
• M24: 29,397,478 km (0.087 R)
• M25: 30,249,587 km (0.109 R)
• M26: 30,826,885 km (0.03 R)
• M27: 33,107,505 km (0.119 R)
• M28: 33,926,553 km (0.112 R)
• M29: 34,445,209 km (0.028 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.4

Radius: 6.5

Gravity: 14.21 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.43 AU - 8.53 AU

Year: 14121 Days

Day: 17.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,615,578 km

• M1: 82,728 km (0.09 R)
• M2: 445,951 km (0.118 R)
• M3: 653,892 km (0.068 R)
• M4: 898,036 km (0.093 R)
• M5: 1,415,495 km (0.114 R)
• M6: 2,060,112 km (0.114 R)
• M7: 2,448,468 km (0.111 R)
• M8: 2,861,508 km (0.098 R)
• M9: 3,798,589 km (0.054 R)
• M10: 7,550,504 km (0.04 R)
• M11: 8,471,727 km (0.07 R)
• M12: 10,871,277 km (0.03 R)
• M13: 11,623,755 km (0.086 R)
• M14: 14,022,556 km (0.095 R)
• M15: 16,431,980 km (0.113 R)
• M16: 18,694,199 km (0.102 R)
• M17: 23,634,668 km (0.113 R)
• M18: 36,753,803 km (0.096 R)
• M19: 39,105,033 km (0.086 R)
• M20: 40,181,539 km (0.051 R)
• M21: 42,675,635 km (0.084 R)
• M22: 46,308,021 km (0.081 R)
• M23: 51,893,108 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14.7

Radius: 3.9

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.77 AU - 12.41 AU

Year: 22123 Days

Day: 21.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,615,578 km

• M1: 48,470 km (0.105 R)
• M2: 248,632 km (0.094 R)
• M3: 781,050 km (0.105 R)
• M4: 1,154,896 km (0.106 R)
• M5: 1,732,493 km (0.052 R)
• M6: 2,317,570 km (0.096 R)
• M7: 2,671,070 km (0.099 R)
• M8: 2,886,341 km (0.069 R)
• M9: 6,507,059 km (0.083 R)
• M10: 12,536,900 km (0.103 R)
• M11: 15,166,681 km (0.12 R)
• M12: 19,765,918 km (0.064 R)
• M13: 22,413,052 km (0.089 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 19,566 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit