🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.2

Radius: 10.4

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.6 AU - 0.74 AU

Year: 379 Days

Day: 5.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,198,815 km

• M1: 129,402 km (0.034 R)
• M2: 521,648 km (0.043 R)
• M3: 945,309 km (0.073 R)
• M4: 1,383,182 km (0.105 R)
• M5: 1,724,564 km (0.028 R)
• M6: 2,070,734 km (0.036 R)
• M7: 2,678,550 km (0.113 R)
• M8: 3,626,252 km (0.057 R)
• M9: 3,999,499 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.1

Radius: 10.7

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.49 AU - 1.82 AU

Year: 1463 Days

Day: 13.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,198,815 km

• M1: 137,181 km (0.114 R)
• M2: 589,864 km (0.063 R)
• M3: 1,003,054 km (0.071 R)
• M4: 1,419,983 km (0.04 R)
• M5: 2,030,342 km (0.08 R)
• M6: 2,451,610 km (0.076 R)
• M7: 3,627,599 km (0.08 R)
• M8: 3,966,438 km (0.078 R)
• M9: 4,677,028 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.7

Radius: 13.8

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.51 AU - 2.17 AU

Year: 1723 Days

Day: 7 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,198,815 km

• M1: 172,187 km (0.102 R)
• M2: 628,311 km (0.041 R)
• M3: 1,058,854 km (0.09 R)
• M4: 1,943,576 km (0.118 R)
• M5: 4,701,562 km (0.084 R)
• M6: 5,900,589 km (0.046 R)
• M7: 6,502,720 km (0.072 R)
• M8: 7,546,465 km (0.113 R)
• M9: 9,215,229 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.2

Radius: 12.6

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.41 AU - 2.31 AU

Year: 1751 Days

Day: 13.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,198,815 km

• M1: 161,566 km (0.111 R)
• M2: 671,096 km (0.115 R)
• M3: 1,351,467 km (0.118 R)
• M4: 2,063,852 km (0.109 R)
• M5: 2,722,083 km (0.094 R)
• M6: 3,245,077 km (0.078 R)
• M7: 4,289,270 km (0.093 R)
• M8: 4,797,903 km (0.033 R)
• M9: 5,405,869 km (0.089 R)
• M10: 5,874,260 km (0.039 R)
• M11: 6,661,743 km (0.074 R)
• M12: 10,378,203 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.3

Radius: 11.5

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.42 AU - 2.54 AU

Year: 2696 Days

Day: 5.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,198,815 km

• M1: 143,165 km (0.061 R)
• M2: 524,191 km (0.101 R)
• M3: 903,422 km (0.091 R)
• M4: 1,429,707 km (0.105 R)
• M5: 2,119,652 km (0.113 R)
• M6: 2,487,813 km (0.079 R)
• M7: 2,914,017 km (0.048 R)
• M8: 3,273,650 km (0.069 R)
• M9: 3,698,508 km (0.091 R)
• M10: 4,198,614 km (0.077 R)
• M11: 4,764,692 km (0.066 R)
• M12: 7,439,203 km (0.12 R)
• M13: 7,876,777 km (0.042 R)
• M14: 9,128,761 km (0.106 R)
• M15: 9,562,894 km (0.116 R)
• M16: 10,080,952 km (0.064 R)
• M17: 11,363,005 km (0.057 R)
• M18: 12,222,744 km (0.048 R)
• M19: 13,041,344 km (0.117 R)
• M20: 15,016,933 km (0.117 R)
• M21: 15,670,227 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.3

Radius: 9

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.23 AU - 6.09 AU

Year: 8091 Days

Day: 11.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,198,815 km

• M1: 112,049 km (0.074 R)
• M2: 412,890 km (0.072 R)
• M3: 907,610 km (0.044 R)
• M4: 1,385,426 km (0.056 R)
• M5: 1,711,100 km (0.059 R)
• M6: 2,024,209 km (0.086 R)
• M7: 2,538,676 km (0.099 R)
• M8: 3,564,169 km (0.102 R)
• M9: 4,396,532 km (0.114 R)
• M10: 4,873,300 km (0.087 R)
• M11: 6,583,653 km (0.11 R)
• M12: 7,672,725 km (0.058 R)
• M13: 8,322,878 km (0.098 R)
• M14: 11,868,945 km (0.075 R)
• M15: 13,707,653 km (0.092 R)
• M16: 15,221,434 km (0.093 R)
• M17: 16,181,403 km (0.099 R)
• M18: 17,386,265 km (0.099 R)
• M19: 18,292,678 km (0.098 R)
• M20: 27,729,910 km (0.1 R)
• M21: 30,738,473 km (0.118 R)
• M22: 32,269,457 km (0.06 R)
• M23: 34,389,110 km (0.061 R)
• M24: 36,939,454 km (0.075 R)
• M25: 39,375,805 km (0.046 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265

Radius: 11.6

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.48 AU - 6.28 AU

Year: 8614 Days

Day: 8 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,198,815 km

• M1: 144,212 km (0.107 R)
• M2: 552,764 km (0.084 R)
• M3: 1,011,132 km (0.088 R)
• M4: 1,414,298 km (0.049 R)
• M5: 2,054,727 km (0.106 R)
• M6: 3,349,796 km (0.107 R)
• M7: 4,443,356 km (0.041 R)
• M8: 5,323,889 km (0.053 R)
• M9: 5,761,014 km (0.032 R)
• M10: 7,828,457 km (0.079 R)
• M11: 8,827,770 km (0.104 R)
• M12: 11,314,386 km (0.076 R)
• M13: 11,891,984 km (0.072 R)
• M14: 12,338,084 km (0.095 R)
• M15: 13,582,439 km (0.116 R)
• M16: 15,195,553 km (0.115 R)
• M17: 15,662,299 km (0.081 R)
• M18: 16,198,757 km (0.112 R)
• M19: 17,119,980 km (0.102 R)
• M20: 18,010,985 km (0.119 R)
• M21: 24,732,866 km (0.045 R)
• M22: 28,428,083 km (0.108 R)
• M23: 29,496,362 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.1

Radius: 7

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.3 AU - 8.78 AU

Year: 12893 Days

Day: 20.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,198,815 km

• M1: 87,216 km (0.104 R)
• M2: 363,224 km (0.102 R)
• M3: 828,174 km (0.1 R)
• M4: 1,834,818 km (0.081 R)
• M5: 2,725,823 km (0.069 R)
• M6: 3,267,068 km (0.108 R)
• M7: 5,896,250 km (0.111 R)
• M8: 7,369,191 km (0.056 R)
• M9: 8,452,579 km (0.07 R)
• M10: 11,807,760 km (0.065 R)
• M11: 14,444,871 km (0.085 R)
• M12: 14,882,744 km (0.045 R)
• M13: 19,493,799 km (0.117 R)
• M14: 19,893,974 km (0.117 R)
• M15: 21,408,203 km (0.062 R)
• M16: 24,432,175 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674

Radius: 4.2

Gravity: 38.21 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.74 AU - 8.96 AU

Year: 16655 Days

Day: 20.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,198,815 km

• M1: 52,210 km (0.112 R)
• M2: 352,901 km (0.088 R)
• M3: 496,964 km (0.104 R)
• M4: 663,317 km (0.088 R)
• M5: 855,999 km (0.097 R)
• M6: 1,123,330 km (0.098 R)
• M7: 1,311,973 km (0.091 R)
• M8: 1,618,051 km (0.083 R)
• M9: 1,805,796 km (0.059 R)
• M10: 2,027,051 km (0.036 R)
• M11: 2,266,109 km (0.109 R)
• M12: 2,414,210 km (0.068 R)
• M13: 2,946,629 km (0.069 R)
• M14: 3,387,943 km (0.087 R)
• M15: 4,084,022 km (0.117 R)
• M16: 4,433,034 km (0.102 R)
• M17: 4,598,190 km (0.101 R)
• M18: 4,767,385 km (0.057 R)
• M19: 10,017,073 km (0.078 R)
• M20: 12,843,426 km (0.101 R)
• M21: 14,009,841 km (0.083 R)
• M22: 15,095,921 km (0.102 R)
• M23: 16,081,771 km (0.118 R)
• M24: 17,680,823 km (0.114 R)
• M25: 26,521,010 km (0.092 R)
• M26: 29,667,053 km (0.074 R)
• M27: 31,693,805 km (0.057 R)
• M28: 33,430,636 km (0.097 R)
• M29: 34,579,997 km (0.051 R)
• M30: 38,048,124 km (0.117 R)
• M31: 40,580,367 km (0.067 R)
• M32: 40,868,493 km (0.12 R)
• M33: 43,072,967 km (0.058 R)
• M34: 52,513,341 km (0.07 R)
• M35: 57,984,883 km (0.065 R)
• M36: 61,140,799 km (0.038 R)
• M37: 65,392,371 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.7

Radius: 7.3

Gravity: 13.96 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.67 AU - 10.99 AU

Year: 18111 Days

Day: 19.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,198,815 km

• M1: 93,199 km (0.047 R)
• M2: 337,493 km (0.11 R)
• M3: 568,921 km (0.116 R)
• M4: 1,986,809 km (0.102 R)
• M5: 2,419,596 km (0.112 R)
• M6: 3,417,115 km (0.108 R)
• M7: 3,793,952 km (0.117 R)
• M8: 4,230,329 km (0.067 R)
• M9: 5,546,042 km (0.092 R)
• M10: 6,191,856 km (0.102 R)
• M11: 7,206,877 km (0.115 R)
• M12: 8,431,186 km (0.029 R)
• M13: 11,925,344 km (0.087 R)
• M14: 14,134,904 km (0.068 R)
• M15: 16,040,632 km (0.052 R)
• M16: 16,603,419 km (0.111 R)
• M17: 19,345,548 km (0.046 R)
• M18: 20,168,037 km (0.101 R)
• M19: 22,177,585 km (0.064 R)
• M20: 24,211,967 km (0.053 R)
• M21: 26,478,674 km (0.087 R)
• M22: 29,595,994 km (0.049 R)
• M23: 31,930,768 km (0.071 R)
• M24: 34,651,056 km (0.063 R)
• M25: 38,799,704 km (0.08 R)
• M26: 43,113,358 km (0.098 R)
• M27: 44,829,994 km (0.044 R)
• M28: 48,398,801 km (0.112 R)
• M29: 49,911,834 km (0.095 R)
• M30: 56,648,674 km (0.051 R)
• M31: 57,952,420 km (0.047 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: 168 - 19,457 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit