🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.7

Radius: 11

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.91 AU - 1.09 AU

Year: 646 Days

Day: 9 Hours

Environment

Temp: -155 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,198,403 km

• M1: 136,882 km (0.031 R)
• M2: 483,351 km (0.08 R)
• M3: 909,705 km (0.044 R)
• M4: 1,454,241 km (0.066 R)
• M5: 1,911,562 km (0.107 R)
• M6: 2,403,290 km (0.113 R)
• M7: 3,025,318 km (0.077 R)
• M8: 3,643,157 km (0.101 R)
• M9: 4,047,370 km (0.087 R)
• M10: 4,404,461 km (0.099 R)
• M11: 5,586,882 km (0.11 R)
• M12: 6,203,525 km (0.108 R)
• M13: 6,558,819 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.5

Radius: 9.4

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.1 AU - 1.12 AU

Year: 755 Days

Day: 9.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,198,403 km

• M1: 116,836 km (0.068 R)
• M2: 439,818 km (0.087 R)
• M3: 805,136 km (0.075 R)
• M4: 1,153,848 km (0.044 R)
• M5: 1,490,444 km (0.034 R)
• M6: 2,092,575 km (0.11 R)
• M7: 3,252,108 km (0.103 R)
• M8: 3,568,956 km (0.085 R)
• M9: 4,008,774 km (0.096 R)
• M10: 4,744,496 km (0.115 R)
• M11: 5,188,802 km (0.12 R)
• M12: 5,868,724 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.9

Radius: 12.1

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.91 AU - 2.59 AU

Year: 2179 Days

Day: 12.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,198,403 km

• M1: 150,495 km (0.071 R)
• M2: 700,417 km (0.054 R)
• M3: 1,351,318 km (0.11 R)
• M4: 2,168,571 km (0.059 R)
• M5: 4,234,069 km (0.117 R)
• M6: 5,845,537 km (0.035 R)
• M7: 6,455,298 km (0.113 R)
• M8: 7,678,111 km (0.096 R)
• M9: 8,054,349 km (0.12 R)
• M10: 8,509,127 km (0.117 R)
• M11: 8,980,809 km (0.109 R)
• M12: 9,721,169 km (0.091 R)
• M13: 10,888,032 km (0.093 R)
• M14: 11,283,719 km (0.091 R)
• M15: 11,853,836 km (0.113 R)
• M16: 13,007,684 km (0.092 R)
• M17: 14,997,935 km (0.118 R)
• M18: 15,438,949 km (0.116 R)
• M19: 16,501,692 km (0.049 R)
• M20: 16,919,220 km (0.082 R)
• M21: 17,450,891 km (0.089 R)
• M22: 18,716,339 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.5

Radius: 14.5

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.13 AU - 2.83 AU

Year: 2522 Days

Day: 14.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,198,403 km

• M1: 180,714 km (0.112 R)
• M2: 925,562 km (0.073 R)
• M3: 1,453,343 km (0.094 R)
• M4: 2,075,371 km (0.073 R)
• M5: 2,652,221 km (0.088 R)
• M6: 3,612,489 km (0.103 R)
• M7: 4,665,210 km (0.109 R)
• M8: 6,142,040 km (0.084 R)
• M9: 6,670,868 km (0.109 R)
• M10: 7,669,883 km (0.097 R)
• M11: 8,571,509 km (0.101 R)
• M12: 10,548,894 km (0.075 R)
• M13: 11,154,915 km (0.11 R)
• M14: 12,107,554 km (0.064 R)
• M15: 13,027,880 km (0.065 R)
• M16: 16,169,286 km (0.069 R)
• M17: 16,924,905 km (0.083 R)
• M18: 17,756,818 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.8

Radius: 6.3

Gravity: 22.04 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.86 AU - 6.72 AU

Year: 10186 Days

Day: 23.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,198,403 km

• M1: 79,736 km (0.072 R)
• M2: 293,661 km (0.113 R)
• M3: 693,237 km (0.091 R)
• M4: 899,682 km (0.119 R)
• M5: 1,147,864 km (0.089 R)
• M6: 1,373,757 km (0.075 R)
• M7: 1,984,715 km (0.069 R)
• M8: 3,293,547 km (0.083 R)
• M9: 3,570,452 km (0.115 R)
• M10: 4,405,358 km (0.053 R)
• M11: 5,030,079 km (0.061 R)
• M12: 6,112,719 km (0.042 R)
• M13: 6,969,765 km (0.111 R)
• M14: 7,772,357 km (0.084 R)
• M15: 8,448,241 km (0.118 R)
• M16: 8,920,072 km (0.119 R)
• M17: 9,864,932 km (0.075 R)
• M18: 11,433,017 km (0.109 R)
• M19: 11,661,603 km (0.079 R)
• M20: 12,485,887 km (0.064 R)
• M21: 13,285,488 km (0.1 R)
• M22: 14,315,768 km (0.11 R)
• M23: 14,850,581 km (0.11 R)
• M24: 15,607,396 km (0.101 R)
• M25: 18,419,986 km (0.04 R)
• M26: 18,734,441 km (0.106 R)
• M27: 19,373,971 km (0.07 R)
• M28: 27,398,850 km (0.102 R)
• M29: 28,430,926 km (0.091 R)
• M30: 28,640,512 km (0.081 R)
• M31: 29,381,919 km (0.112 R)
• M32: 42,089,511 km (0.046 R)
• M33: 51,861,543 km (0.101 R)
• M34: 52,646,183 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.5

Radius: 3

Gravity: 49.72 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.35 AU - 7.51 AU

Year: 11779 Days

Day: 15.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,198,403 km

• M1: 42,785 km (0.107 R)
• M2: 184,604 km (0.111 R)
• M3: 381,026 km (0.072 R)
• M4: 752,926 km (0.119 R)
• M5: 909,705 km (0.083 R)
• M6: 1,179,430 km (0.028 R)
• M7: 1,418,188 km (0.055 R)
• M8: 2,254,440 km (0.052 R)
• M9: 2,641,450 km (0.113 R)
• M10: 3,255,250 km (0.107 R)
• M11: 4,094,344 km (0.114 R)
• M12: 4,548,972 km (0.116 R)
• M13: 4,667,603 km (0.099 R)
• M14: 6,517,082 km (0.114 R)
• M15: 6,630,178 km (0.059 R)
• M16: 6,977,095 km (0.087 R)
• M17: 8,133,786 km (0.085 R)
• M18: 10,609,930 km (0.082 R)
• M19: 15,000,777 km (0.114 R)
• M20: 15,197,947 km (0.118 R)
• M21: 18,972,600 km (0.043 R)
• M22: 19,591,786 km (0.109 R)
• M23: 23,591,584 km (0.089 R)
• M24: 26,064,287 km (0.068 R)
• M25: 27,216,640 km (0.104 R)
• M26: 29,109,801 km (0.119 R)
• M27: 32,384,199 km (0.087 R)
• M28: 36,603,308 km (0.11 R)
• M29: 38,413,143 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644.2

Radius: 6.2

Gravity: 16.76 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.14 AU - 9.26 AU

Year: 13796 Days

Day: 22.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 105.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,198,403 km

• M1: 77,791 km (0.106 R)
• M2: 310,715 km (0.068 R)
• M3: 607,667 km (0.111 R)
• M4: 821,741 km (0.113 R)
• M5: 1,029,533 km (0.059 R)
• M6: 1,662,182 km (0.042 R)
• M7: 4,633,944 km (0.07 R)
• M8: 4,828,271 km (0.11 R)
• M9: 5,920,934 km (0.081 R)
• M10: 7,923,750 km (0.08 R)
• M11: 9,694,391 km (0.095 R)
• M12: 9,959,628 km (0.056 R)
• M13: 12,381,917 km (0.108 R)
• M14: 14,198,932 km (0.076 R)
• M15: 16,559,886 km (0.081 R)
• M16: 17,636,243 km (0.081 R)
• M17: 17,952,193 km (0.117 R)
• M18: 18,191,550 km (0.031 R)
• M19: 26,714,889 km (0.107 R)
• M20: 30,058,999 km (0.096 R)
• M21: 32,358,319 km (0.099 R)
• M22: 34,525,842 km (0.089 R)
• M23: 40,091,631 km (0.096 R)
• M24: 47,585,437 km (0.074 R)
• M25: 50,066,368 km (0.102 R)
• M26: 58,024,227 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 14,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit