🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.1

Radius: 14

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.87 AU - 1.25 AU

Year: 705 Days

Day: 14.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,789,430 km

• M1: 174,132 km (0.095 R)
• M2: 861,534 km (0.06 R)
• M3: 1,725,462 km (0.066 R)
• M4: 2,297,674 km (0.104 R)
• M5: 2,832,187 km (0.105 R)
• M6: 3,693,871 km (0.084 R)
• M7: 4,433,782 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.4

Radius: 13.1

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.2 AU - 1.22 AU

Year: 859 Days

Day: 8.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,789,430 km

• M1: 164,258 km (0.095 R)
• M2: 573,109 km (0.085 R)
• M3: 994,826 km (0.05 R)
• M4: 1,716,935 km (0.069 R)
• M5: 2,153,910 km (0.1 R)
• M6: 2,666,133 km (0.113 R)
• M7: 3,093,684 km (0.078 R)
• M8: 3,609,049 km (0.114 R)
• M9: 4,369,604 km (0.079 R)
• M10: 5,891,912 km (0.105 R)
• M11: 6,603,998 km (0.105 R)
• M12: 7,487,224 km (0.038 R)
• M13: 8,224,592 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.2

Radius: 9.1

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.74 AU - 2.06 AU

Year: 1691 Days

Day: 11 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,789,430 km

• M1: 113,096 km (0.09 R)
• M2: 490,382 km (0.12 R)
• M3: 781,948 km (0.098 R)
• M4: 1,113,457 km (0.099 R)
• M5: 1,498,073 km (0.109 R)
• M6: 2,353,474 km (0.113 R)
• M7: 2,798,677 km (0.083 R)
• M8: 3,130,784 km (0.079 R)
• M9: 3,415,319 km (0.053 R)
• M10: 4,374,840 km (0.084 R)
• M11: 5,586,134 km (0.053 R)
• M12: 7,079,570 km (0.042 R)
• M13: 7,447,431 km (0.086 R)
• M14: 8,088,906 km (0.102 R)
• M15: 8,878,634 km (0.038 R)
• M16: 9,335,954 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.3

Radius: 11.6

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.93 AU - 2.23 AU

Year: 1937 Days

Day: 12.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,789,430 km

• M1: 144,212 km (0.067 R)
• M2: 545,135 km (0.098 R)
• M3: 1,218,624 km (0.105 R)
• M4: 1,917,695 km (0.034 R)
• M5: 2,584,453 km (0.084 R)
• M6: 3,450,475 km (0.05 R)
• M7: 3,905,552 km (0.069 R)
• M8: 4,321,583 km (0.11 R)
• M9: 5,266,294 km (0.077 R)
• M10: 6,733,550 km (0.052 R)
• M11: 7,167,234 km (0.077 R)
• M12: 7,533,300 km (0.115 R)
• M13: 9,092,259 km (0.116 R)
• M14: 9,656,991 km (0.095 R)
• M15: 10,493,692 km (0.085 R)
• M16: 11,078,022 km (0.043 R)
• M17: 12,113,239 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.8

Radius: 14.6

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.14 AU - 2.42 AU

Year: 2223 Days

Day: 13 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,789,430 km

• M1: 182,360 km (0.089 R)
• M2: 878,439 km (0.094 R)
• M3: 1,815,819 km (0.11 R)
• M4: 2,427,525 km (0.091 R)
• M5: 3,207,378 km (0.103 R)
• M6: 3,907,197 km (0.093 R)
• M7: 5,202,416 km (0.085 R)
• M8: 5,876,803 km (0.096 R)
• M9: 6,400,994 km (0.109 R)
• M10: 6,875,219 km (0.116 R)
• M11: 11,833,790 km (0.108 R)
• M12: 14,741,973 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.8

Radius: 10.7

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.31 AU - 3.55 AU

Year: 3238 Days

Day: 14.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,789,430 km

• M1: 138,976 km (0.117 R)
• M2: 509,979 km (0.063 R)
• M3: 956,529 km (0.096 R)
• M4: 1,384,827 km (0.098 R)
• M5: 2,031,689 km (0.03 R)
• M6: 3,501,937 km (0.08 R)
• M7: 4,471,331 km (0.056 R)
• M8: 4,896,189 km (0.076 R)
• M9: 5,245,201 km (0.11 R)
• M10: 6,393,514 km (0.114 R)
• M11: 12,326,266 km (0.042 R)
• M12: 12,787,476 km (0.098 R)
• M13: 14,341,349 km (0.097 R)
• M14: 15,586,752 km (0.107 R)
• M15: 16,290,759 km (0.07 R)
• M16: 17,015,711 km (0.11 R)
• M17: 17,472,583 km (0.059 R)
• M18: 18,351,021 km (0.094 R)
• M19: 18,953,003 km (0.085 R)
• M20: 21,098,236 km (0.065 R)
• M21: 22,433,248 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.6

Radius: 14.7

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.74 AU - 3.54 AU

Year: 3593 Days

Day: 8.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,789,430 km

• M1: 183,257 km (0.119 R)
• M2: 728,242 km (0.067 R)
• M3: 1,230,742 km (0.1 R)
• M4: 1,864,737 km (0.088 R)
• M5: 2,385,637 km (0.064 R)
• M6: 3,613,537 km (0.088 R)
• M7: 4,240,202 km (0.106 R)
• M8: 4,751,528 km (0.077 R)
• M9: 5,557,411 km (0.108 R)
• M10: 6,567,795 km (0.09 R)
• M11: 9,800,306 km (0.074 R)
• M12: 10,341,701 km (0.093 R)
• M13: 14,021,210 km (0.088 R)
• M14: 16,584,270 km (0.049 R)
• M15: 17,410,649 km (0.077 R)
• M16: 18,672,058 km (0.087 R)
• M17: 19,566,504 km (0.112 R)
• M18: 20,929,939 km (0.032 R)
• M19: 21,570,218 km (0.045 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.7

Radius: 14.7

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.02 AU - 4.14 AU

Year: 4374 Days

Day: 9.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,789,430 km

• M1: 182,809 km (0.097 R)
• M2: 928,105 km (0.035 R)
• M3: 2,050,837 km (0.064 R)
• M4: 2,655,661 km (0.077 R)
• M5: 3,181,348 km (0.08 R)
• M6: 5,994,087 km (0.12 R)
• M7: 6,842,457 km (0.104 R)
• M8: 8,818,196 km (0.09 R)
• M9: 9,623,481 km (0.058 R)
• M10: 10,087,085 km (0.103 R)
• M11: 12,141,363 km (0.11 R)
• M12: 14,461,626 km (0.11 R)
• M13: 20,651,986 km (0.094 R)
• M14: 23,634,220 km (0.084 R)
• M15: 28,414,021 km (0.112 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.9

Radius: 12.5

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.26 AU - 5 AU

Year: 5419 Days

Day: 12 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,789,430 km

• M1: 155,432 km (0.09 R)
• M2: 553,811 km (0.119 R)
• M3: 1,436,289 km (0.103 R)
• M4: 2,458,342 km (0.11 R)
• M5: 3,300,578 km (0.117 R)
• M6: 5,038,157 km (0.053 R)
• M7: 5,674,247 km (0.088 R)
• M8: 6,796,231 km (0.037 R)
• M9: 7,647,593 km (0.05 R)
• M10: 11,435,710 km (0.056 R)
• M11: 12,178,763 km (0.086 R)
• M12: 13,542,497 km (0.032 R)
• M13: 14,947,670 km (0.089 R)
• M14: 17,523,745 km (0.099 R)
• M15: 19,259,379 km (0.086 R)
• M16: 23,697,649 km (0.1 R)
• M17: 26,493,633 km (0.118 R)
• M18: 29,228,432 km (0.069 R)
• M19: 29,778,653 km (0.076 R)
• M20: 32,146,189 km (0.1 R)
• M21: 33,028,367 km (0.079 R)

Planet 10 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.6

Radius: 10

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.39 AU - 5.53 AU

Year: 7132 Days

Day: 11.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 38,789,430 km

• M1: 125,064 km (0.077 R)
• M2: 692,937 km (0.048 R)
• M3: 1,010,085 km (0.037 R)
• M4: 1,630,617 km (0.088 R)
• M5: 2,082,851 km (0.084 R)
• M6: 2,617,514 km (0.08 R)
• M7: 3,071,543 km (0.064 R)
• M8: 3,671,281 km (0.097 R)
• M9: 4,062,330 km (0.108 R)
• M10: 4,701,113 km (0.089 R)
• M11: 6,383,341 km (0.089 R)
• M12: 6,842,008 km (0.078 R)
• M13: 8,065,420 km (0.034 R)
• M14: 9,074,308 km (0.049 R)
• M15: 11,753,456 km (0.07 R)
• M16: 13,788,286 km (0.05 R)
• M17: 15,665,739 km (0.101 R)
• M18: 15,983,635 km (0.082 R)
• M19: 16,306,018 km (0.099 R)
• M20: 18,971,404 km (0.114 R)
• M21: 19,699,048 km (0.106 R)
• M22: 21,443,060 km (0.098 R)
• M23: 21,914,442 km (0.052 R)
• M24: 22,878,002 km (0.032 R)
• M25: 24,631,888 km (0.097 R)
• M26: 26,026,888 km (0.099 R)
• M27: 27,937,103 km (0.097 R)
• M28: 33,906,956 km (0.034 R)
• M29: 34,439,823 km (0.025 R)
• M30: 35,961,383 km (0.076 R)
• M31: 37,188,086 km (0.056 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: 420 - 16,049 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit