🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.3

Radius: 11.6

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.56 AU - 0.74 AU

Year: 349 Days

Day: 11.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,351,173 km

• M1: 144,212 km (0.085 R)
• M2: 599,289 km (0.093 R)
• M3: 1,125,275 km (0.04 R)
• M4: 1,779,467 km (0.117 R)
• M5: 2,185,924 km (0.1 R)
• M6: 2,812,141 km (0.08 R)
• M7: 3,531,407 km (0.1 R)
• M8: 4,011,617 km (0.06 R)
• M9: 4,437,970 km (0.085 R)
• M10: 4,924,164 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.5

Radius: 9.7

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.79 AU - 0.99 AU

Year: 560 Days

Day: 14.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,351,173 km

• M1: 120,576 km (0.031 R)
• M2: 454,329 km (0.115 R)
• M3: 812,765 km (0.027 R)
• M4: 1,178,682 km (0.106 R)
• M5: 1,483,113 km (0.101 R)
• M6: 1,824,196 km (0.115 R)
• M7: 2,189,365 km (0.071 R)
• M8: 3,444,641 km (0.101 R)
• M9: 3,978,705 km (0.065 R)
• M10: 4,334,150 km (0.031 R)
• M11: 4,726,844 km (0.099 R)
• M12: 5,092,162 km (0.07 R)
• M13: 5,620,542 km (0.115 R)
• M14: 5,992,891 km (0.09 R)
• M15: 6,562,111 km (0.068 R)
• M16: 7,384,001 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.2

Radius: 12.9

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.9 AU - 0.94 AU

Year: 588 Days

Day: 13.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,351,173 km

• M1: 163,510 km (0.052 R)
• M2: 611,556 km (0.098 R)
• M3: 1,099,245 km (0.08 R)
• M4: 1,558,959 km (0.119 R)
• M5: 2,609,286 km (0.071 R)
• M6: 3,093,086 km (0.095 R)
• M7: 4,670,894 km (0.088 R)
• M8: 5,096,799 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.4

Radius: 13.2

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.1 AU - 1.22 AU

Year: 833 Days

Day: 14.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,351,173 km

• M1: 164,707 km (0.09 R)
• M2: 682,166 km (0.094 R)
• M3: 1,121,535 km (0.113 R)
• M4: 1,837,660 km (0.084 R)
• M5: 2,266,707 km (0.05 R)
• M6: 3,266,170 km (0.113 R)
• M7: 3,719,153 km (0.116 R)
• M8: 4,148,349 km (0.108 R)
• M9: 4,667,304 km (0.118 R)
• M10: 5,369,367 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.6

Radius: 10

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.19 AU - 1.81 AU

Year: 1225 Days

Day: 5.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,351,173 km

• M1: 124,765 km (0.04 R)
• M2: 1,498,522 km (0.119 R)
• M3: 2,864,201 km (0.119 R)
• M4: 3,979,303 km (0.087 R)
• M5: 4,358,833 km (0.041 R)
• M6: 5,156,788 km (0.118 R)
• M7: 5,936,941 km (0.1 R)
• M8: 6,453,503 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.9

Radius: 9.9

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.77 AU - 3.87 AU

Year: 4034 Days

Day: 7.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 51.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,351,173 km

• M1: 123,269 km (0.038 R)
• M2: 606,919 km (0.089 R)
• M3: 1,003,652 km (0.096 R)
• M4: 1,394,252 km (0.107 R)
• M5: 2,937,504 km (0.117 R)
• M6: 3,498,795 km (0.096 R)
• M7: 3,926,495 km (0.119 R)
• M8: 4,293,608 km (0.062 R)
• M9: 4,835,901 km (0.107 R)
• M10: 5,150,505 km (0.062 R)
• M11: 6,772,595 km (0.104 R)
• M12: 7,201,193 km (0.111 R)
• M13: 7,895,776 km (0.048 R)
• M14: 9,217,922 km (0.054 R)
• M15: 10,814,580 km (0.111 R)
• M16: 11,401,003 km (0.109 R)
• M17: 12,441,307 km (0.066 R)
• M18: 12,934,681 km (0.069 R)
• M19: 13,907,964 km (0.086 R)
• M20: 19,191,163 km (0.082 R)
• M21: 19,850,141 km (0.091 R)
• M22: 20,729,328 km (0.11 R)
• M23: 23,973,508 km (0.047 R)
• M24: 24,892,786 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.1

Radius: 4.3

Gravity: 22.34 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.16 AU - 8.46 AU

Year: 11851 Days

Day: 16.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,351,173 km

• M1: 53,406 km (0.099 R)
• M2: 317,596 km (0.113 R)
• M3: 479,012 km (0.026 R)
• M4: 703,409 km (0.09 R)
• M5: 995,574 km (0.105 R)
• M6: 1,637,349 km (0.074 R)
• M7: 1,802,654 km (0.116 R)
• M8: 2,114,416 km (0.104 R)
• M9: 2,274,336 km (0.055 R)
• M10: 2,539,125 km (0.08 R)
• M11: 3,130,036 km (0.084 R)
• M12: 3,338,127 km (0.094 R)
• M13: 5,285,442 km (0.116 R)
• M14: 5,956,838 km (0.075 R)
• M15: 6,459,486 km (0.088 R)
• M16: 6,608,187 km (0.093 R)
• M17: 7,146,739 km (0.055 R)
• M18: 8,891,649 km (0.091 R)
• M19: 9,029,428 km (0.111 R)
• M20: 9,215,528 km (0.045 R)
• M21: 9,499,315 km (0.044 R)
• M22: 10,590,033 km (0.108 R)
• M23: 12,666,452 km (0.086 R)
• M24: 15,858,421 km (0.114 R)
• M25: 17,031,269 km (0.037 R)
• M26: 19,163,487 km (0.083 R)
• M27: 19,548,253 km (0.104 R)
• M28: 19,938,105 km (0.071 R)
• M29: 22,899,694 km (0.108 R)
• M30: 38,280,599 km (0.101 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 16,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit