🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.7

Radius: 10.7

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.63 AU - 1.03 AU

Year: 481 Days

Day: 6.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 86.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,480,777 km

• M1: 133,142 km (0.092 R)
• M2: 495,618 km (0.1 R)
• M3: 1,037,760 km (0.119 R)
• M4: 1,613,712 km (0.098 R)
• M5: 2,482,577 km (0.104 R)
• M6: 3,068,402 km (0.051 R)
• M7: 3,547,115 km (0.072 R)
• M8: 4,075,345 km (0.066 R)
• M9: 4,577,994 km (0.099 R)
• M10: 5,272,727 km (0.093 R)
• M11: 5,672,452 km (0.1 R)
• M12: 6,611,627 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.1

Radius: 10.9

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.38 AU - 2.12 AU

Year: 1472 Days

Day: 11.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,480,777 km

• M1: 135,536 km (0.056 R)
• M2: 569,968 km (0.097 R)
• M3: 1,031,178 km (0.076 R)
• M4: 1,421,180 km (0.104 R)
• M5: 2,746,617 km (0.091 R)
• M6: 3,434,169 km (0.067 R)
• M7: 4,512,620 km (0.109 R)
• M8: 10,253,139 km (0.092 R)
• M9: 10,864,845 km (0.091 R)
• M10: 11,754,503 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.6

Radius: 13.3

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.75 AU - 2.91 AU

Year: 3027 Days

Day: 5.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,480,777 km

• M1: 165,455 km (0.103 R)
• M2: 617,091 km (0.107 R)
• M3: 1,200,523 km (0.111 R)
• M4: 1,923,829 km (0.068 R)
• M5: 2,342,553 km (0.053 R)
• M6: 2,773,694 km (0.09 R)
• M7: 4,244,690 km (0.095 R)
• M8: 5,420,978 km (0.104 R)
• M9: 6,926,830 km (0.09 R)
• M10: 8,986,942 km (0.075 R)
• M11: 9,666,266 km (0.12 R)
• M12: 11,822,570 km (0.118 R)
• M13: 12,825,025 km (0.07 R)
• M14: 13,883,580 km (0.079 R)
• M15: 14,332,972 km (0.039 R)
• M16: 14,792,237 km (0.117 R)
• M17: 15,526,015 km (0.095 R)
• M18: 16,504,983 km (0.105 R)
• M19: 18,767,053 km (0.117 R)
• M20: 20,067,358 km (0.119 R)
• M21: 20,513,758 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.7

Radius: 12.3

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.19 AU - 3.67 AU

Year: 4039 Days

Day: 5.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,480,777 km

• M1: 153,039 km (0.105 R)
• M2: 679,922 km (0.04 R)
• M3: 1,164,919 km (0.052 R)
• M4: 1,575,266 km (0.093 R)
• M5: 2,083,599 km (0.114 R)
• M6: 2,501,875 km (0.108 R)
• M7: 3,113,431 km (0.067 R)
• M8: 3,862,767 km (0.118 R)
• M9: 4,917,132 km (0.096 R)
• M10: 7,149,731 km (0.061 R)
• M11: 7,881,713 km (0.096 R)
• M12: 8,733,374 km (0.1 R)
• M13: 9,383,826 km (0.117 R)
• M14: 9,988,949 km (0.11 R)
• M15: 10,419,940 km (0.077 R)
• M16: 11,918,313 km (0.028 R)
• M17: 12,314,298 km (0.096 R)
• M18: 13,890,611 km (0.032 R)
• M19: 17,780,156 km (0.067 R)
• M20: 18,414,451 km (0.105 R)
• M21: 19,123,545 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.5

Radius: 9.7

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5 AU - 5.02 AU

Year: 7130 Days

Day: 11.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,480,777 km

• M1: 137,929 km (0.039 R)
• M2: 484,847 km (0.076 R)
• M3: 1,101,340 km (0.03 R)
• M4: 1,575,714 km (0.068 R)
• M5: 2,208,663 km (0.101 R)
• M6: 5,430,403 km (0.076 R)
• M7: 6,425,079 km (0.058 R)
• M8: 9,007,886 km (0.08 R)
• M9: 9,811,077 km (0.105 R)
• M10: 10,852,428 km (0.098 R)
• M11: 12,979,560 km (0.087 R)
• M12: 15,080,662 km (0.071 R)
• M13: 15,467,971 km (0.105 R)
• M14: 15,911,529 km (0.118 R)
• M15: 17,241,005 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.6

Radius: 11.6

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.33 AU - 5.99 AU

Year: 8562 Days

Day: 5.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,480,777 km

• M1: 150,944 km (0.099 R)
• M2: 652,696 km (0.057 R)
• M3: 1,033,422 km (0.029 R)
• M4: 1,418,637 km (0.09 R)
• M5: 2,111,873 km (0.067 R)
• M6: 2,522,519 km (0.101 R)
• M7: 3,170,727 km (0.103 R)
• M8: 3,770,764 km (0.101 R)
• M9: 4,823,335 km (0.085 R)
• M10: 5,772,832 km (0.084 R)
• M11: 7,137,314 km (0.102 R)
• M12: 7,847,456 km (0.104 R)
• M13: 8,435,525 km (0.041 R)
• M14: 10,035,175 km (0.038 R)
• M15: 10,847,192 km (0.096 R)
• M16: 11,954,964 km (0.104 R)
• M17: 13,919,783 km (0.108 R)
• M18: 17,640,132 km (0.075 R)
• M19: 18,937,744 km (0.119 R)
• M20: 19,521,325 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.7

Radius: 10.2

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.88 AU - 6.1 AU

Year: 9321 Days

Day: 8.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,480,777 km

• M1: 126,859 km (0.115 R)
• M2: 775,515 km (0.094 R)
• M3: 1,128,566 km (0.118 R)
• M4: 5,573,418 km (0.072 R)
• M5: 6,452,007 km (0.078 R)
• M6: 7,263,126 km (0.114 R)
• M7: 7,677,213 km (0.1 R)
• M8: 8,140,667 km (0.12 R)
• M9: 8,942,662 km (0.117 R)
• M10: 9,456,081 km (0.06 R)
• M11: 9,796,417 km (0.046 R)
• M12: 11,115,122 km (0.103 R)
• M13: 12,684,703 km (0.108 R)
• M14: 13,475,178 km (0.067 R)
• M15: 14,898,901 km (0.104 R)
• M16: 17,927,809 km (0.097 R)
• M17: 21,215,970 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 938.9

Radius: 6.4

Gravity: 22.92 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.67 AU - 12.25 AU

Year: 19986 Days

Day: 18.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,480,777 km

• M1: 79,586 km (0.103 R)
• M2: 358,736 km (0.097 R)
• M3: 676,930 km (0.073 R)
• M4: 895,194 km (0.076 R)
• M5: 1,305,690 km (0.095 R)
• M6: 1,834,818 km (0.086 R)
• M7: 6,377,507 km (0.116 R)
• M8: 6,979,040 km (0.12 R)
• M9: 9,413,745 km (0.109 R)
• M10: 13,817,757 km (0.049 R)
• M11: 14,664,780 km (0.099 R)
• M12: 18,862,646 km (0.095 R)
• M13: 19,616,470 km (0.025 R)
• M14: 21,792,520 km (0.034 R)
• M15: 23,258,280 km (0.03 R)
• M16: 26,384,576 km (0.102 R)
• M17: 26,735,234 km (0.039 R)
• M18: 27,446,123 km (0.068 R)
• M19: 30,930,407 km (0.114 R)
• M20: 38,162,866 km (0.075 R)
• M21: 41,850,902 km (0.11 R)
• M22: 47,300,004 km (0.079 R)
• M23: 51,912,406 km (0.081 R)
• M24: 53,576,383 km (0.118 R)
• M25: 55,085,078 km (0.1 R)
• M26: 59,780,656 km (0.074 R)
• M27: 61,198,843 km (0.11 R)
• M28: 62,019,088 km (0.102 R)
• M29: 64,736,085 km (0.082 R)
• M30: 65,160,943 km (0.072 R)
• M31: 72,214,782 km (0.09 R)
• M32: 75,454,623 km (0.116 R)
• M33: 77,587,739 km (0.049 R)
• M34: 82,970,719 km (0.051 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: 266 - 16,695 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit