🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.1

Radius: 11.8

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.48 AU - 0.7 AU

Year: 307 Days

Day: 14.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,256,445 km

• M1: 146,756 km (0.059 R)
• M2: 539,300 km (0.045 R)
• M3: 1,042,996 km (0.117 R)
• M4: 1,510,490 km (0.103 R)
• M5: 1,893,759 km (0.109 R)
• M6: 2,376,213 km (0.099 R)
• M7: 2,843,556 km (0.084 R)
• M8: 3,775,701 km (0.062 R)
• M9: 4,455,324 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.2

Radius: 11.8

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.63 AU - 0.65 AU

Year: 347 Days

Day: 11.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 104.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,256,445 km

• M1: 184,454 km (0.05 R)
• M2: 578,495 km (0.09 R)
• M3: 1,251,386 km (0.114 R)
• M4: 1,675,197 km (0.069 R)
• M5: 2,271,943 km (0.031 R)
• M6: 2,996,296 km (0.08 R)
• M7: 3,378,818 km (0.104 R)
• M8: 3,868,900 km (0.112 R)
• M9: 4,365,116 km (0.116 R)
• M10: 4,815,705 km (0.053 R)
• M11: 5,204,660 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824

Radius: 11.4

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.8 AU - 0.9 AU

Year: 532 Days

Day: 14.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,256,445 km

• M1: 141,819 km (0.075 R)
• M2: 676,482 km (0.034 R)
• M3: 1,164,021 km (0.117 R)
• M4: 1,833,621 km (0.077 R)
• M5: 2,544,211 km (0.107 R)
• M6: 2,958,447 km (0.04 R)
• M7: 3,430,279 km (0.069 R)
• M8: 4,635,290 km (0.042 R)
• M9: 5,088,721 km (0.083 R)
• M10: 6,237,184 km (0.084 R)
• M11: 6,975,898 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.5

Radius: 12

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.87 AU - 1.23 AU

Year: 730 Days

Day: 11.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,256,445 km

• M1: 149,299 km (0.118 R)
• M2: 570,865 km (0.103 R)
• M3: 957,277 km (0.044 R)
• M4: 1,980,676 km (0.11 R)
• M5: 2,398,951 km (0.097 R)
• M6: 2,958,148 km (0.079 R)
• M7: 3,469,623 km (0.094 R)
• M8: 4,098,533 km (0.087 R)
• M9: 5,071,218 km (0.116 R)
• M10: 5,639,989 km (0.104 R)
• M11: 6,863,401 km (0.086 R)
• M12: 7,719,101 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.5

Radius: 8.5

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.24 AU - 2.42 AU

Year: 2412 Days

Day: 9.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,256,445 km

• M1: 146,008 km (0.12 R)
• M2: 537,056 km (0.06 R)
• M3: 937,530 km (0.115 R)
• M4: 1,766,751 km (0.117 R)
• M5: 2,115,613 km (0.082 R)
• M6: 3,067,953 km (0.103 R)
• M7: 3,394,226 km (0.087 R)
• M8: 3,743,687 km (0.106 R)
• M9: 4,056,496 km (0.114 R)
• M10: 4,429,294 km (0.062 R)
• M11: 4,915,786 km (0.075 R)
• M12: 5,762,809 km (0.114 R)
• M13: 6,397,703 km (0.111 R)
• M14: 6,961,687 km (0.062 R)
• M15: 7,775,050 km (0.059 R)
• M16: 8,253,614 km (0.082 R)
• M17: 8,684,156 km (0.039 R)
• M18: 8,956,425 km (0.114 R)
• M19: 9,304,838 km (0.099 R)
• M20: 10,751,001 km (0.085 R)
• M21: 11,304,961 km (0.102 R)
• M22: 11,919,360 km (0.107 R)
• M23: 12,213,619 km (0.067 R)
• M24: 12,948,593 km (0.05 R)
• M25: 13,439,574 km (0.07 R)
• M26: 14,411,511 km (0.071 R)
• M27: 16,288,067 km (0.116 R)
• M28: 16,650,841 km (0.028 R)
• M29: 18,210,998 km (0.111 R)
• M30: 18,941,035 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.7

Radius: 5.9

Gravity: 17.57 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.34 AU - 6.62 AU

Year: 11188 Days

Day: 16.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,256,445 km

• M1: 73,602 km (0.08 R)
• M2: 501,302 km (0.103 R)
• M3: 701,764 km (0.065 R)
• M4: 1,510,639 km (0.063 R)
• M5: 2,410,171 km (0.099 R)
• M6: 2,756,191 km (0.081 R)
• M7: 3,832,847 km (0.107 R)
• M8: 4,690,791 km (0.108 R)
• M9: 5,363,233 km (0.094 R)
• M10: 5,566,686 km (0.109 R)
• M11: 5,845,986 km (0.068 R)
• M12: 8,070,057 km (0.093 R)
• M13: 9,418,233 km (0.066 R)
• M14: 9,765,001 km (0.1 R)
• M15: 10,802,462 km (0.088 R)
• M16: 11,403,546 km (0.075 R)
• M17: 11,740,590 km (0.09 R)
• M18: 12,317,141 km (0.107 R)
• M19: 13,714,534 km (0.077 R)
• M20: 14,418,841 km (0.073 R)
• M21: 14,680,937 km (0.078 R)
• M22: 15,760,884 km (0.115 R)
• M23: 16,179,159 km (0.106 R)
• M24: 17,776,416 km (0.118 R)
• M25: 18,690,608 km (0.12 R)
• M26: 21,792,221 km (0.056 R)
• M27: 22,574,019 km (0.089 R)
• M28: 22,927,370 km (0.038 R)
• M29: 23,827,051 km (0.081 R)
• M30: 25,315,101 km (0.103 R)
• M31: 30,042,992 km (0.046 R)
• M32: 31,338,061 km (0.105 R)
• M33: 34,737,673 km (0.097 R)
• M34: 35,090,574 km (0.079 R)
• M35: 37,381,366 km (0.1 R)
• M36: 38,000,402 km (0.033 R)
• M37: 48,709,515 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523

Radius: 8

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.86 AU - 9.68 AU

Year: 16131 Days

Day: 19.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,256,445 km

• M1: 102,475 km (0.099 R)
• M2: 405,560 km (0.096 R)
• M3: 672,742 km (0.102 R)
• M4: 1,310,029 km (0.096 R)
• M5: 1,789,639 km (0.089 R)
• M6: 2,906,238 km (0.108 R)
• M7: 3,221,291 km (0.11 R)
• M8: 3,640,614 km (0.088 R)
• M9: 6,345,194 km (0.095 R)
• M10: 6,793,987 km (0.098 R)
• M11: 7,801,080 km (0.109 R)
• M12: 8,754,767 km (0.081 R)
• M13: 9,519,511 km (0.101 R)
• M14: 13,158,479 km (0.103 R)
• M15: 14,092,568 km (0.113 R)
• M16: 14,715,793 km (0.11 R)
• M17: 19,604,951 km (0.057 R)
• M18: 20,207,232 km (0.102 R)
• M19: 24,181,299 km (0.086 R)
• M20: 27,777,632 km (0.107 R)
• M21: 30,899,889 km (0.12 R)
• M22: 33,146,849 km (0.08 R)
• M23: 39,986,912 km (0.084 R)
• M24: 41,656,275 km (0.098 R)
• M25: 42,222,952 km (0.072 R)
• M26: 44,688,923 km (0.098 R)
• M27: 49,746,678 km (0.109 R)
• M28: 52,166,722 km (0.038 R)
• M29: 52,659,946 km (0.068 R)
• M30: 57,765,123 km (0.093 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 11,421 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit