🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.7

Radius: 14.7

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.72 AU - 1.8 AU

Year: 1508 Days

Day: 9.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,416,417 km

• M1: 182,958 km (0.11 R)
• M2: 847,472 km (0.094 R)
• M3: 1,740,422 km (0.099 R)
• M4: 2,397,755 km (0.107 R)
• M5: 3,094,133 km (0.1 R)
• M6: 3,687,288 km (0.072 R)
• M7: 4,373,344 km (0.096 R)
• M8: 7,148,235 km (0.09 R)
• M9: 8,517,056 km (0.113 R)
• M10: 9,249,487 km (0.082 R)
• M11: 10,395,406 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.3

Radius: 10

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.09 AU - 2.77 AU

Year: 2446 Days

Day: 13 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,416,417 km

• M1: 124,316 km (0.087 R)
• M2: 449,841 km (0.08 R)
• M3: 895,792 km (0.1 R)
• M4: 1,270,834 km (0.091 R)
• M5: 1,961,078 km (0.099 R)
• M6: 3,113,132 km (0.109 R)
• M7: 3,875,333 km (0.095 R)
• M8: 4,427,947 km (0.097 R)
• M9: 5,391,208 km (0.114 R)
• M10: 6,001,268 km (0.031 R)
• M11: 6,943,735 km (0.114 R)
• M12: 7,759,941 km (0.095 R)
• M13: 10,828,193 km (0.09 R)
• M14: 12,178,314 km (0.117 R)
• M15: 12,871,999 km (0.08 R)
• M16: 16,794,007 km (0.062 R)
• M17: 17,544,240 km (0.115 R)
• M18: 18,485,210 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.8

Radius: 9.8

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.83 AU - 3.27 AU

Year: 3439 Days

Day: 5.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,416,417 km

• M1: 121,922 km (0.064 R)
• M2: 435,031 km (0.103 R)
• M3: 775,366 km (0.113 R)
• M4: 1,082,789 km (0.119 R)
• M5: 1,594,414 km (0.051 R)
• M6: 1,972,149 km (0.119 R)
• M7: 3,422,201 km (0.117 R)
• M8: 4,144,908 km (0.085 R)
• M9: 5,245,500 km (0.118 R)
• M10: 5,725,559 km (0.093 R)
• M11: 7,023,171 km (0.102 R)
• M12: 7,376,073 km (0.11 R)
• M13: 9,170,649 km (0.052 R)
• M14: 9,710,248 km (0.089 R)
• M15: 10,895,662 km (0.087 R)
• M16: 11,457,252 km (0.1 R)
• M17: 12,129,246 km (0.105 R)
• M18: 12,591,503 km (0.114 R)
• M19: 13,749,241 km (0.074 R)
• M20: 16,331,151 km (0.043 R)
• M21: 20,426,692 km (0.107 R)
• M22: 22,850,028 km (0.094 R)
• M23: 23,555,830 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640

Radius: 14.5

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.53 AU - 3.63 AU

Year: 3490 Days

Day: 6.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,416,417 km

• M1: 181,013 km (0.098 R)
• M2: 697,276 km (0.037 R)
• M3: 1,291,927 km (0.077 R)
• M4: 1,780,514 km (0.092 R)
• M5: 2,380,102 km (0.068 R)
• M6: 3,255,698 km (0.043 R)
• M7: 4,036,001 km (0.066 R)
• M8: 5,183,716 km (0.04 R)
• M9: 6,336,367 km (0.114 R)
• M10: 11,202,337 km (0.055 R)
• M11: 11,981,144 km (0.073 R)
• M12: 12,611,549 km (0.052 R)
• M13: 13,216,673 km (0.105 R)
• M14: 15,097,567 km (0.114 R)
• M15: 18,186,314 km (0.097 R)
• M16: 20,129,141 km (0.078 R)
• M17: 21,086,119 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.1

Radius: 11.4

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.55 AU - 4.15 AU

Year: 4878 Days

Day: 11.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 62.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,416,417 km

• M1: 141,819 km (0.119 R)
• M2: 656,735 km (0.107 R)
• M3: 1,138,589 km (0.091 R)
• M4: 2,085,095 km (0.1 R)
• M5: 2,624,994 km (0.105 R)
• M6: 3,374,778 km (0.088 R)
• M7: 3,898,670 km (0.093 R)
• M8: 4,524,887 km (0.068 R)
• M9: 6,557,772 km (0.094 R)
• M10: 8,152,486 km (0.118 R)
• M11: 9,457,428 km (0.074 R)
• M12: 10,373,116 km (0.071 R)
• M13: 12,188,038 km (0.108 R)
• M14: 12,575,047 km (0.092 R)
• M15: 14,153,006 km (0.052 R)
• M16: 14,743,319 km (0.081 R)
• M17: 15,801,873 km (0.083 R)
• M18: 16,379,022 km (0.113 R)
• M19: 18,132,309 km (0.114 R)
• M20: 19,807,805 km (0.105 R)
• M21: 23,763,323 km (0.103 R)
• M22: 24,444,591 km (0.09 R)
• M23: 26,648,018 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.8

Radius: 7.9

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.99 AU - 6.01 AU

Year: 9489 Days

Day: 19.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,416,417 km

• M1: 169,943 km (0.052 R)
• M2: 429,047 km (0.119 R)
• M3: 1,031,029 km (0.108 R)
• M4: 1,502,411 km (0.099 R)
• M5: 2,689,919 km (0.042 R)
• M6: 3,673,077 km (0.106 R)
• M7: 4,797,305 km (0.049 R)
• M8: 5,265,995 km (0.108 R)
• M9: 8,310,910 km (0.096 R)
• M10: 10,815,028 km (0.036 R)
• M11: 11,095,076 km (0.097 R)
• M12: 17,252,973 km (0.065 R)
• M13: 18,817,467 km (0.07 R)
• M14: 22,831,777 km (0.065 R)
• M15: 26,276,417 km (0.106 R)
• M16: 28,342,214 km (0.116 R)
• M17: 28,964,541 km (0.032 R)
• M18: 30,236,572 km (0.099 R)
• M19: 30,606,677 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.1

Radius: 4.6

Gravity: 44.52 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.76 AU - 10.22 AU

Year: 18876 Days

Day: 18.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,416,417 km

• M1: 57,296 km (0.113 R)
• M2: 212,279 km (0.087 R)
• M3: 1,021,454 km (0.061 R)
• M4: 1,224,608 km (0.068 R)
• M5: 1,605,784 km (0.107 R)
• M6: 3,398,116 km (0.116 R)
• M7: 3,635,976 km (0.107 R)
• M8: 4,347,613 km (0.097 R)
• M9: 4,995,522 km (0.06 R)
• M10: 6,616,564 km (0.11 R)
• M11: 6,987,717 km (0.033 R)
• M12: 14,041,256 km (0.073 R)
• M13: 15,849,446 km (0.092 R)
• M14: 19,167,227 km (0.078 R)
• M15: 22,607,380 km (0.103 R)
• M16: 31,968,167 km (0.079 R)
• M17: 32,759,391 km (0.116 R)
• M18: 36,481,535 km (0.105 R)
• M19: 44,100,405 km (0.109 R)
• M20: 44,588,693 km (0.112 R)
• M21: 46,745,744 km (0.085 R)
• M22: 47,083,536 km (0.096 R)
• M23: 49,670,083 km (0.098 R)
• M24: 56,070,180 km (0.033 R)
• M25: 56,260,767 km (0.112 R)
• M26: 58,189,682 km (0.099 R)
• M27: 60,762,766 km (0.091 R)
• M28: 70,475,557 km (0.052 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 553 - 12,486 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit