🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.8

Radius: 13.3

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.64 AU - 0.78 AU

Year: 406 Days

Day: 13.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,825,384 km

• M1: 165,455 km (0.114 R)
• M2: 588,219 km (0.051 R)
• M3: 1,004,550 km (0.099 R)
• M4: 1,681,181 km (0.072 R)
• M5: 2,349,135 km (0.108 R)
• M6: 3,041,774 km (0.114 R)
• M7: 3,673,077 km (0.071 R)
• M8: 4,419,570 km (0.062 R)
• M9: 5,547,388 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.4

Radius: 11

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.28 AU - 2.76 AU

Year: 2713 Days

Day: 7.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,825,384 km

• M1: 146,307 km (0.049 R)
• M2: 644,617 km (0.104 R)
• M3: 1,084,884 km (0.091 R)
• M4: 1,596,508 km (0.08 R)
• M5: 2,069,387 km (0.112 R)
• M6: 2,416,903 km (0.087 R)
• M7: 2,803,464 km (0.093 R)
• M8: 3,214,409 km (0.106 R)
• M9: 4,304,380 km (0.084 R)
• M10: 4,876,891 km (0.091 R)
• M11: 5,778,667 km (0.115 R)
• M12: 7,534,347 km (0.12 R)
• M13: 8,669,795 km (0.055 R)
• M14: 9,439,775 km (0.061 R)
• M15: 10,562,507 km (0.101 R)
• M16: 12,848,662 km (0.084 R)
• M17: 13,251,978 km (0.102 R)
• M18: 13,989,794 km (0.075 R)
• M19: 15,048,798 km (0.034 R)
• M20: 15,851,989 km (0.099 R)
• M21: 17,002,696 km (0.108 R)
• M22: 17,763,550 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.1

Radius: 14.3

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.09 AU - 4.03 AU

Year: 4556 Days

Day: 9.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,825,384 km

• M1: 177,872 km (0.086 R)
• M2: 693,386 km (0.097 R)
• M3: 1,193,641 km (0.049 R)
• M4: 1,682,378 km (0.117 R)
• M5: 2,537,778 km (0.092 R)
• M6: 3,586,011 km (0.066 R)
• M7: 6,437,496 km (0.084 R)
• M8: 8,975,274 km (0.089 R)
• M9: 9,641,732 km (0.082 R)
• M10: 10,681,587 km (0.114 R)
• M11: 11,657,414 km (0.115 R)
• M12: 12,886,361 km (0.084 R)
• M13: 13,940,726 km (0.081 R)
• M14: 16,164,050 km (0.078 R)
• M15: 17,270,925 km (0.072 R)
• M16: 18,929,965 km (0.034 R)
• M17: 19,765,619 km (0.098 R)
• M18: 20,558,637 km (0.114 R)
• M19: 21,099,134 km (0.04 R)
• M20: 21,997,619 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.4

Radius: 10.5

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.87 AU - 5.09 AU

Year: 7538 Days

Day: 9.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,825,384 km

• M1: 130,749 km (0.116 R)
• M2: 461,210 km (0.076 R)
• M3: 880,234 km (0.056 R)
• M4: 1,290,880 km (0.076 R)
• M5: 1,621,342 km (0.038 R)
• M6: 2,250,999 km (0.05 R)
• M7: 4,046,772 km (0.09 R)
• M8: 5,028,583 km (0.092 R)
• M9: 5,419,781 km (0.029 R)
• M10: 5,831,325 km (0.092 R)
• M11: 6,297,771 km (0.118 R)
• M12: 6,970,662 km (0.083 R)
• M13: 7,535,245 km (0.082 R)
• M14: 8,089,355 km (0.095 R)
• M15: 8,927,851 km (0.113 R)
• M16: 10,388,824 km (0.097 R)
• M17: 11,025,662 km (0.103 R)
• M18: 11,636,470 km (0.094 R)
• M19: 15,659,157 km (0.111 R)
• M20: 17,093,801 km (0.105 R)
• M21: 18,543,105 km (0.059 R)
• M22: 19,627,241 km (0.082 R)
• M23: 21,138,030 km (0.098 R)
• M24: 25,339,187 km (0.049 R)
• M25: 27,036,973 km (0.1 R)
• M26: 28,524,574 km (0.118 R)
• M27: 33,104,662 km (0.116 R)
• M28: 35,131,714 km (0.117 R)
• M29: 35,898,851 km (0.058 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.6

Radius: 6

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.4 AU - 7.28 AU

Year: 9572 Days

Day: 18.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,825,384 km

• M1: 169,943 km (0.119 R)
• M2: 360,830 km (0.083 R)
• M3: 1,402,630 km (0.118 R)
• M4: 1,995,935 km (0.079 R)
• M5: 2,759,782 km (0.1 R)
• M6: 3,964,194 km (0.108 R)
• M7: 4,151,939 km (0.064 R)
• M8: 7,832,945 km (0.098 R)
• M9: 9,064,883 km (0.094 R)
• M10: 13,859,644 km (0.09 R)
• M11: 17,037,402 km (0.103 R)
• M12: 19,929,728 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.8

Radius: 4.1

Gravity: 20.69 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.27 AU - 7.77 AU

Year: 13987 Days

Day: 24.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,825,384 km

• M1: 64,776 km (0.101 R)
• M2: 193,580 km (0.082 R)
• M3: 394,490 km (0.076 R)
• M4: 639,830 km (0.109 R)
• M5: 1,044,492 km (0.032 R)
• M6: 1,587,233 km (0.089 R)
• M7: 2,152,414 km (0.064 R)
• M8: 2,412,565 km (0.099 R)
• M9: 3,343,662 km (0.086 R)
• M10: 3,666,943 km (0.062 R)
• M11: 4,065,322 km (0.096 R)
• M12: 5,011,080 km (0.081 R)
• M13: 5,568,930 km (0.076 R)
• M14: 7,244,277 km (0.117 R)
• M15: 7,573,691 km (0.07 R)
• M16: 9,180,821 km (0.095 R)
• M17: 10,473,796 km (0.113 R)
• M18: 14,037,217 km (0.088 R)
• M19: 17,587,174 km (0.051 R)
• M20: 18,407,868 km (0.057 R)
• M21: 21,355,694 km (0.104 R)
• M22: 24,695,317 km (0.114 R)
• M23: 29,287,074 km (0.027 R)
• M24: 31,186,219 km (0.105 R)
• M25: 31,402,239 km (0.078 R)
• M26: 31,837,120 km (0.068 R)
• M27: 34,186,554 km (0.119 R)
• M28: 34,416,187 km (0.04 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: 171 - 19,767 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit