🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.8

Radius: 10.3

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.95 AU - 1.45 AU

Year: 849 Days

Day: 7.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,905,813 km

• M1: 128,205 km (0.108 R)
• M2: 502,499 km (0.064 R)
• M3: 902,823 km (0.119 R)
• M4: 1,252,882 km (0.12 R)
• M5: 1,629,121 km (0.046 R)
• M6: 2,616,168 km (0.046 R)
• M7: 3,267,068 km (0.104 R)
• M8: 3,652,731 km (0.051 R)
• M9: 4,352,700 km (0.11 R)
• M10: 5,194,188 km (0.084 R)
• M11: 5,819,806 km (0.09 R)
• M12: 6,796,530 km (0.114 R)
• M13: 7,175,462 km (0.098 R)
• M14: 8,123,464 km (0.084 R)
• M15: 8,783,041 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.8

Radius: 9.5

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.19 AU - 1.59 AU

Year: 1058 Days

Day: 11.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,905,813 km

• M1: 118,182 km (0.109 R)
• M2: 416,780 km (0.117 R)
• M3: 773,720 km (0.045 R)
• M4: 1,082,640 km (0.102 R)
• M5: 1,586,186 km (0.117 R)
• M6: 2,705,627 km (0.086 R)
• M7: 3,321,522 km (0.098 R)
• M8: 3,718,405 km (0.066 R)
• M9: 4,737,465 km (0.118 R)
• M10: 5,506,997 km (0.038 R)
• M11: 5,911,061 km (0.036 R)
• M12: 6,495,839 km (0.069 R)
• M13: 6,874,621 km (0.086 R)
• M14: 7,343,610 km (0.064 R)
• M15: 8,127,353 km (0.095 R)
• M16: 8,994,722 km (0.096 R)
• M17: 11,415,365 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.2

Radius: 9.6

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.68 AU - 1.74 AU

Year: 1444 Days

Day: 11.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,905,813 km

• M1: 127,009 km (0.113 R)
• M2: 511,774 km (0.069 R)
• M3: 896,540 km (0.111 R)
• M4: 1,239,568 km (0.061 R)
• M5: 1,864,588 km (0.09 R)
• M6: 2,372,473 km (0.114 R)
• M7: 2,770,104 km (0.111 R)
• M8: 3,321,522 km (0.098 R)
• M9: 3,666,045 km (0.094 R)
• M10: 4,427,648 km (0.034 R)
• M11: 4,805,233 km (0.108 R)
• M12: 5,356,801 km (0.094 R)
• M13: 6,189,612 km (0.102 R)
• M14: 6,765,414 km (0.11 R)
• M15: 7,267,614 km (0.092 R)
• M16: 7,937,364 km (0.064 R)
• M17: 8,955,976 km (0.04 R)
• M18: 9,561,847 km (0.089 R)
• M19: 10,093,069 km (0.119 R)
• M20: 10,539,020 km (0.079 R)
• M21: 11,105,996 km (0.09 R)
• M22: 12,108,751 km (0.097 R)
• M23: 12,417,072 km (0.04 R)
• M24: 13,455,880 km (0.05 R)
• M25: 14,250,843 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.5

Radius: 12.5

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.46 AU - 1.96 AU

Year: 1444 Days

Day: 12.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,905,813 km

• M1: 155,432 km (0.076 R)
• M2: 703,708 km (0.081 R)
• M3: 1,294,171 km (0.115 R)
• M4: 1,844,841 km (0.093 R)
• M5: 2,529,401 km (0.048 R)
• M6: 3,316,435 km (0.102 R)
• M7: 3,774,653 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.1

Radius: 12.8

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.74 AU - 1.88 AU

Year: 1572 Days

Day: 9.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,905,813 km

• M1: 159,172 km (0.078 R)
• M2: 740,958 km (0.091 R)
• M3: 1,492,538 km (0.119 R)
• M4: 2,008,052 km (0.043 R)
• M5: 2,655,512 km (0.078 R)
• M6: 3,245,227 km (0.049 R)
• M7: 4,370,801 km (0.036 R)
• M8: 5,197,180 km (0.106 R)
• M9: 5,625,030 km (0.087 R)
• M10: 6,125,135 km (0.117 R)
• M11: 6,551,788 km (0.076 R)
• M12: 7,325,509 km (0.079 R)
• M13: 8,339,632 km (0.09 R)
• M14: 9,379,487 km (0.069 R)
• M15: 11,153,868 km (0.1 R)
• M16: 11,869,095 km (0.107 R)
• M17: 13,060,343 km (0.103 R)
• M18: 14,815,425 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.7

Radius: 8.3

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.63 AU - 2.15 AU

Year: 1678 Days

Day: 8.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,905,813 km

• M1: 105,018 km (0.089 R)
• M2: 402,269 km (0.108 R)
• M3: 866,321 km (0.052 R)
• M4: 1,323,941 km (0.118 R)
• M5: 2,859,563 km (0.092 R)
• M6: 3,572,696 km (0.052 R)
• M7: 4,849,514 km (0.041 R)
• M8: 5,241,909 km (0.11 R)
• M9: 5,637,147 km (0.084 R)
• M10: 6,168,668 km (0.118 R)
• M11: 6,753,895 km (0.091 R)
• M12: 7,092,285 km (0.106 R)
• M13: 7,353,633 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.4

Radius: 9.9

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.75 AU - 2.09 AU

Year: 1718 Days

Day: 8.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,905,813 km

• M1: 123,269 km (0.047 R)
• M2: 468,840 km (0.054 R)
• M3: 778,358 km (0.056 R)
• M4: 1,130,212 km (0.111 R)
• M5: 1,598,902 km (0.117 R)
• M6: 2,081,804 km (0.06 R)
• M7: 2,443,831 km (0.115 R)
• M8: 3,030,404 km (0.078 R)
• M9: 3,578,082 km (0.095 R)
• M10: 4,172,584 km (0.055 R)
• M11: 4,598,190 km (0.096 R)
• M12: 5,073,013 km (0.11 R)
• M13: 6,997,590 km (0.052 R)
• M14: 10,261,666 km (0.063 R)
• M15: 10,970,311 km (0.061 R)
• M16: 12,335,242 km (0.055 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.8

Radius: 15

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.84 AU - 3.58 AU

Year: 3713 Days

Day: 12.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,905,813 km

• M1: 191,036 km (0.094 R)
• M2: 701,464 km (0.097 R)
• M3: 1,488,349 km (0.102 R)
• M4: 2,633,072 km (0.116 R)
• M5: 3,211,268 km (0.099 R)
• M6: 3,873,986 km (0.076 R)
• M7: 5,450,000 km (0.048 R)
• M8: 6,758,084 km (0.079 R)
• M9: 7,552,299 km (0.072 R)
• M10: 9,519,212 km (0.077 R)
• M11: 10,559,665 km (0.052 R)
• M12: 11,410,727 km (0.11 R)
• M13: 12,584,921 km (0.114 R)
• M14: 14,753,791 km (0.107 R)
• M15: 16,536,848 km (0.116 R)
• M16: 21,250,078 km (0.096 R)
• M17: 22,057,608 km (0.112 R)
• M18: 24,093,485 km (0.03 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.4

Radius: 9.7

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.84 AU - 4.04 AU

Year: 4120 Days

Day: 8.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,905,813 km

• M1: 120,576 km (0.086 R)
• M2: 459,565 km (0.087 R)
• M3: 899,382 km (0.043 R)
• M4: 1,470,547 km (0.113 R)
• M5: 1,966,614 km (0.1 R)
• M6: 2,371,874 km (0.098 R)
• M7: 4,488,535 km (0.117 R)
• M8: 7,404,496 km (0.113 R)
• M9: 9,894,553 km (0.04 R)
• M10: 10,920,345 km (0.111 R)
• M11: 11,925,493 km (0.079 R)
• M12: 13,182,564 km (0.056 R)
• M13: 14,118,748 km (0.104 R)
• M14: 18,310,331 km (0.056 R)
• M15: 19,040,368 km (0.085 R)
• M16: 19,537,632 km (0.032 R)
• M17: 19,852,834 km (0.098 R)
• M18: 22,292,028 km (0.048 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.9

Radius: 10.3

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.48 AU - 5.66 AU

Year: 7371 Days

Day: 14.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 80.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,905,813 km

• M1: 128,205 km (0.068 R)
• M2: 453,880 km (0.109 R)
• M3: 832,363 km (0.094 R)
• M4: 1,192,145 km (0.087 R)
• M5: 1,842,747 km (0.081 R)
• M6: 2,387,133 km (0.096 R)
• M7: 2,789,103 km (0.096 R)
• M8: 4,736,867 km (0.108 R)
• M9: 5,063,439 km (0.063 R)
• M10: 6,102,995 km (0.118 R)
• M11: 8,168,941 km (0.091 R)
• M12: 10,253,588 km (0.078 R)
• M13: 13,845,881 km (0.09 R)
• M14: 14,290,785 km (0.061 R)
• M15: 14,630,672 km (0.119 R)
• M16: 16,473,568 km (0.069 R)
• M17: 20,257,646 km (0.034 R)
• M18: 21,342,380 km (0.094 R)
• M19: 24,182,645 km (0.118 R)
• M20: 24,504,131 km (0.094 R)
• M21: 25,155,630 km (0.078 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: 197 - 16,092 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit