🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.8

Radius: 10.4

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.71 AU - 0.79 AU

Year: 426 Days

Day: 11.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 55,380,504 km

• M1: 131,945 km (0.091 R)
• M2: 460,013 km (0.069 R)
• M3: 1,349,822 km (0.049 R)
• M4: 1,984,416 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.5

Radius: 10.2

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.3 AU - 1.3 AU

Year: 972 Days

Day: 13.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,380,504 km

• M1: 129,552 km (0.073 R)
• M2: 490,681 km (0.1 R)
• M3: 887,265 km (0.104 R)
• M4: 1,206,357 km (0.098 R)
• M5: 1,612,067 km (0.069 R)
• M6: 2,001,620 km (0.032 R)
• M7: 2,658,205 km (0.087 R)
• M8: 5,354,108 km (0.108 R)
• M9: 5,881,739 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.2

Radius: 10.1

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.19 AU - 1.45 AU

Year: 995 Days

Day: 13.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,380,504 km

• M1: 125,662 km (0.058 R)
• M2: 495,767 km (0.094 R)
• M3: 816,505 km (0.106 R)
• M4: 1,166,265 km (0.094 R)
• M5: 1,847,833 km (0.045 R)
• M6: 2,396,857 km (0.086 R)
• M7: 2,854,776 km (0.095 R)
• M8: 3,183,891 km (0.095 R)
• M9: 3,684,895 km (0.085 R)
• M10: 4,047,520 km (0.086 R)
• M11: 4,495,566 km (0.055 R)
• M12: 4,845,026 km (0.102 R)
• M13: 5,456,134 km (0.116 R)
• M14: 6,330,533 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405

Radius: 12.1

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.89 AU - 2.19 AU

Year: 1911 Days

Day: 13.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,380,504 km

• M1: 150,495 km (0.042 R)
• M2: 532,419 km (0.098 R)
• M3: 1,156,541 km (0.093 R)
• M4: 1,891,067 km (0.093 R)
• M5: 2,275,384 km (0.058 R)
• M6: 2,672,865 km (0.087 R)
• M7: 3,562,075 km (0.027 R)
• M8: 4,355,841 km (0.057 R)
• M9: 6,486,564 km (0.086 R)
• M10: 7,348,247 km (0.1 R)
• M11: 7,724,636 km (0.119 R)
• M12: 8,114,039 km (0.114 R)
• M13: 8,574,950 km (0.097 R)
• M14: 9,053,364 km (0.113 R)
• M15: 11,538,484 km (0.089 R)
• M16: 12,649,248 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.4

Radius: 14.9

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.8 AU - 4 AU

Year: 4113 Days

Day: 8.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 97.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,380,504 km

• M1: 185,352 km (0.079 R)
• M2: 735,423 km (0.066 R)
• M3: 1,566,589 km (0.089 R)
• M4: 2,042,161 km (0.06 R)
• M5: 2,569,194 km (0.106 R)
• M6: 3,660,809 km (0.102 R)
• M7: 4,203,102 km (0.044 R)
• M8: 4,823,185 km (0.095 R)
• M9: 6,105,538 km (0.096 R)
• M10: 7,670,930 km (0.076 R)
• M11: 8,144,258 km (0.114 R)
• M12: 9,997,177 km (0.1 R)
• M13: 10,521,966 km (0.054 R)
• M14: 11,671,027 km (0.093 R)
• M15: 14,831,582 km (0.077 R)
• M16: 16,777,252 km (0.042 R)
• M17: 17,404,366 km (0.09 R)
• M18: 21,302,587 km (0.082 R)
• M19: 22,860,350 km (0.103 R)
• M20: 23,702,735 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.8

Radius: 13.8

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.27 AU - 4.63 AU

Year: 6158 Days

Day: 14.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,380,504 km

• M1: 185,352 km (0.102 R)
• M2: 674,537 km (0.083 R)
• M3: 2,494,395 km (0.116 R)
• M4: 3,204,237 km (0.032 R)
• M5: 3,642,110 km (0.068 R)
• M6: 4,220,754 km (0.067 R)
• M7: 5,292,473 km (0.069 R)
• M8: 6,005,457 km (0.033 R)
• M9: 7,360,215 km (0.107 R)
• M10: 8,050,460 km (0.105 R)
• M11: 8,867,713 km (0.058 R)
• M12: 9,694,690 km (0.101 R)
• M13: 10,524,958 km (0.102 R)
• M14: 10,957,595 km (0.116 R)
• M15: 11,452,315 km (0.053 R)
• M16: 15,777,040 km (0.104 R)
• M17: 19,824,261 km (0.07 R)
• M18: 22,877,853 km (0.081 R)
• M19: 24,600,622 km (0.1 R)
• M20: 26,320,399 km (0.036 R)
• M21: 26,851,621 km (0.101 R)
• M22: 32,564,764 km (0.093 R)
• M23: 35,167,617 km (0.028 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.5

Radius: 9.9

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.19 AU - 6.89 AU

Year: 8554 Days

Day: 14.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,380,504 km

• M1: 125,213 km (0.114 R)
• M2: 551,867 km (0.078 R)
• M3: 877,990 km (0.088 R)
• M4: 2,170,216 km (0.069 R)
• M5: 3,955,667 km (0.095 R)
• M6: 5,161,127 km (0.049 R)
• M7: 5,746,952 km (0.115 R)
• M8: 6,126,332 km (0.071 R)
• M9: 6,973,954 km (0.075 R)
• M10: 14,269,692 km (0.088 R)
• M11: 18,502,713 km (0.061 R)
• M12: 24,033,048 km (0.065 R)
• M13: 27,850,636 km (0.104 R)
• M14: 28,441,398 km (0.099 R)
• M15: 40,931,473 km (0.092 R)
• M16: 41,695,021 km (0.062 R)
• M17: 43,909,967 km (0.08 R)
• M18: 44,710,166 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946

Radius: 3.1

Gravity: 98.44 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.93 AU - 8.81 AU

Year: 13125 Days

Day: 19.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,380,504 km

• M1: 135,835 km (0.071 R)
• M2: 417,827 km (0.065 R)
• M3: 990,637 km (0.11 R)
• M4: 1,098,946 km (0.118 R)
• M5: 1,457,532 km (0.059 R)
• M6: 1,782,608 km (0.074 R)
• M7: 4,381,871 km (0.107 R)
• M8: 4,510,974 km (0.113 R)
• M9: 7,889,343 km (0.07 R)
• M10: 9,505,598 km (0.075 R)
• M11: 9,831,422 km (0.103 R)
• M12: 10,052,678 km (0.083 R)
• M13: 10,678,296 km (0.068 R)
• M14: 11,634,226 km (0.119 R)
• M15: 11,819,578 km (0.107 R)
• M16: 12,841,631 km (0.067 R)
• M17: 13,441,668 km (0.119 R)
• M18: 17,439,372 km (0.119 R)
• M19: 18,675,948 km (0.113 R)
• M20: 27,234,143 km (0.12 R)
• M21: 29,691,587 km (0.118 R)
• M22: 39,312,376 km (0.103 R)
• M23: 40,714,856 km (0.07 R)
• M24: 46,348,562 km (0.102 R)
• M25: 49,512,108 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.2

Radius: 3.1

Gravity: 87.64 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.32 AU - 8.66 AU

Year: 14816 Days

Day: 16 Hours

Environment

Temp: -224 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,380,504 km

• M1: 41,738 km (0.096 R)
• M2: 213,775 km (0.053 R)
• M3: 354,846 km (0.114 R)
• M4: 613,202 km (0.094 R)
• M5: 1,007,392 km (0.052 R)
• M6: 2,349,285 km (0.089 R)
• M7: 2,636,962 km (0.038 R)
• M8: 3,612,340 km (0.045 R)
• M9: 3,844,815 km (0.066 R)
• M10: 3,995,011 km (0.117 R)
• M11: 4,601,930 km (0.093 R)
• M12: 6,919,201 km (0.098 R)
• M13: 14,735,241 km (0.074 R)
• M14: 15,327,050 km (0.094 R)
• M15: 15,934,417 km (0.109 R)
• M16: 18,102,988 km (0.12 R)
• M17: 23,809,698 km (0.094 R)
• M18: 24,316,087 km (0.077 R)
• M19: 29,549,020 km (0.106 R)
• M20: 32,179,549 km (0.078 R)
• M21: 37,626,707 km (0.09 R)
• M22: 39,429,511 km (0.11 R)
• M23: 40,567,053 km (0.117 R)
• M24: 46,584,478 km (0.086 R)
• M25: 51,975,237 km (0.063 R)
• M26: 58,131,189 km (0.111 R)
• M27: 58,496,807 km (0.119 R)
• M28: 63,779,556 km (0.038 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.4

Radius: 7.3

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.46 AU - 8.66 AU

Year: 16429 Days

Day: 19.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,380,504 km

• M1: 91,105 km (0.111 R)
• M2: 640,279 km (0.088 R)
• M3: 1,304,493 km (0.109 R)
• M4: 1,818,961 km (0.089 R)
• M5: 2,937,055 km (0.061 R)
• M6: 3,345,308 km (0.074 R)
• M7: 5,578,505 km (0.099 R)
• M8: 8,137,227 km (0.056 R)
• M9: 8,557,297 km (0.093 R)
• M10: 8,894,042 km (0.083 R)
• M11: 10,656,754 km (0.038 R)
• M12: 13,589,321 km (0.058 R)
• M13: 17,246,540 km (0.09 R)
• M14: 20,215,908 km (0.107 R)
• M15: 20,900,019 km (0.038 R)
• M16: 27,767,010 km (0.119 R)
• M17: 28,293,146 km (0.078 R)
• M18: 29,582,979 km (0.1 R)
• M19: 31,249,798 km (0.112 R)
• M20: 35,013,382 km (0.098 R)
• M21: 41,208,529 km (0.112 R)
• M22: 44,707,024 km (0.094 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 12,114 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit