🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.6

Radius: 8

Gravity: 14.71 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.65 AU - 2.29 AU

Year: 1814 Days

Day: 12.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,048,271 km

• M1: 99,483 km (0.089 R)
• M2: 387,758 km (0.109 R)
• M3: 749,336 km (0.069 R)
• M4: 1,009,187 km (0.078 R)
• M5: 1,339,499 km (0.091 R)
• M6: 1,636,302 km (0.106 R)
• M7: 2,036,476 km (0.041 R)
• M8: 2,939,748 km (0.11 R)
• M9: 3,533,502 km (0.094 R)
• M10: 4,185,150 km (0.118 R)
• M11: 5,002,852 km (0.101 R)
• M12: 5,873,212 km (0.077 R)
• M13: 6,979,489 km (0.117 R)
• M14: 7,941,553 km (0.095 R)
• M15: 8,218,757 km (0.049 R)
• M16: 9,122,478 km (0.075 R)
• M17: 10,306,994 km (0.112 R)
• M18: 11,050,047 km (0.105 R)
• M19: 13,105,821 km (0.111 R)
• M20: 13,668,159 km (0.098 R)
• M21: 14,156,447 km (0.093 R)
• M22: 15,356,670 km (0.096 R)
• M23: 16,177,364 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.8

Radius: 12.6

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.43 AU - 3.47 AU

Year: 3324 Days

Day: 7.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,048,271 km

• M1: 156,779 km (0.115 R)
• M2: 590,313 km (0.11 R)
• M3: 992,731 km (0.11 R)
• M4: 2,319,814 km (0.05 R)
• M5: 3,264,824 km (0.069 R)
• M6: 4,408,350 km (0.051 R)
• M7: 5,108,019 km (0.11 R)
• M8: 5,725,260 km (0.108 R)
• M9: 6,503,169 km (0.091 R)
• M10: 7,229,168 km (0.054 R)
• M11: 8,236,560 km (0.112 R)
• M12: 10,032,781 km (0.08 R)
• M13: 10,490,850 km (0.093 R)
• M14: 11,002,923 km (0.109 R)
• M15: 11,614,330 km (0.119 R)
• M16: 14,194,744 km (0.111 R)
• M17: 15,117,314 km (0.103 R)
• M18: 17,516,564 km (0.099 R)
• M19: 18,125,876 km (0.05 R)
• M20: 18,692,104 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.3

Radius: 15

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.3 AU - 3.76 AU

Year: 4351 Days

Day: 12 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,048,271 km

• M1: 186,848 km (0.113 R)
• M2: 767,587 km (0.097 R)
• M3: 1,291,030 km (0.075 R)
• M4: 2,619,908 km (0.084 R)
• M5: 3,320,175 km (0.115 R)
• M6: 4,554,058 km (0.086 R)
• M7: 5,290,678 km (0.057 R)
• M8: 5,894,605 km (0.068 R)
• M9: 6,903,493 km (0.097 R)
• M10: 9,264,297 km (0.049 R)
• M11: 9,930,307 km (0.063 R)
• M12: 11,265,318 km (0.099 R)
• M13: 12,122,065 km (0.043 R)
• M14: 12,767,430 km (0.106 R)
• M15: 18,203,817 km (0.06 R)
• M16: 25,738,613 km (0.079 R)
• M17: 27,393,614 km (0.11 R)
• M18: 29,650,148 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.3

Radius: 9.9

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.58 AU - 3.8 AU

Year: 4650 Days

Day: 10.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,048,271 km

• M1: 124,465 km (0.115 R)
• M2: 510,578 km (0.119 R)
• M3: 837,748 km (0.071 R)
• M4: 1,547,141 km (0.117 R)
• M5: 2,109,629 km (0.119 R)
• M6: 2,455,051 km (0.104 R)
• M7: 3,090,991 km (0.065 R)
• M8: 4,916,534 km (0.101 R)
• M9: 5,811,578 km (0.118 R)
• M10: 6,684,482 km (0.12 R)
• M11: 7,005,070 km (0.059 R)
• M12: 7,403,150 km (0.115 R)
• M13: 8,465,295 km (0.086 R)
• M14: 9,267,139 km (0.108 R)
• M15: 10,244,612 km (0.065 R)
• M16: 11,110,484 km (0.114 R)
• M17: 11,791,304 km (0.072 R)
• M18: 12,596,290 km (0.078 R)
• M19: 13,387,065 km (0.078 R)
• M20: 13,846,181 km (0.112 R)
• M21: 15,844,808 km (0.073 R)
• M22: 16,474,316 km (0.103 R)
• M23: 16,824,674 km (0.06 R)
• M24: 17,299,647 km (0.094 R)
• M25: 18,400,837 km (0.052 R)
• M26: 24,239,941 km (0.05 R)
• M27: 25,307,023 km (0.105 R)
• M28: 26,484,957 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.5

Radius: 12.6

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.43 AU - 6.21 AU

Year: 9211 Days

Day: 6.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,048,271 km

• M1: 156,779 km (0.069 R)
• M2: 637,586 km (0.118 R)
• M3: 1,335,161 km (0.117 R)
• M4: 1,770,042 km (0.118 R)
• M5: 2,431,115 km (0.026 R)
• M6: 3,558,634 km (0.078 R)
• M7: 4,321,434 km (0.114 R)
• M8: 10,619,504 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724

Radius: 5.2

Gravity: 26.78 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.73 AU - 7.37 AU

Year: 9762 Days

Day: 22.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,048,271 km

• M1: 66,122 km (0.11 R)
• M2: 276,307 km (0.115 R)
• M3: 541,544 km (0.081 R)
• M4: 1,187,209 km (0.033 R)
• M5: 2,475,546 km (0.094 R)
• M6: 3,228,621 km (0.066 R)
• M7: 4,858,041 km (0.082 R)
• M8: 7,536,741 km (0.064 R)
• M9: 8,401,416 km (0.08 R)
• M10: 8,811,315 km (0.102 R)
• M11: 9,819,604 km (0.069 R)
• M12: 11,723,237 km (0.099 R)
• M13: 13,859,794 km (0.114 R)
• M14: 15,759,238 km (0.063 R)
• M15: 22,056,261 km (0.088 R)
• M16: 27,600,358 km (0.058 R)
• M17: 29,428,744 km (0.025 R)
• M18: 30,161,025 km (0.09 R)
• M19: 31,990,009 km (0.101 R)
• M20: 43,184,268 km (0.116 R)
• M21: 46,764,294 km (0.108 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 18,057 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit