🌌 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: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.2

Radius: 13

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.67 AU - 1.01 AU

Year: 513 Days

Day: 12.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,695,345 km

• M1: 161,715 km (0.101 R)
• M2: 899,532 km (0.089 R)
• M3: 1,418,337 km (0.094 R)
• M4: 1,883,736 km (0.107 R)
• M5: 2,355,867 km (0.036 R)
• M6: 2,929,276 km (0.046 R)
• M7: 3,333,938 km (0.066 R)
• M8: 4,301,238 km (0.091 R)
• M9: 4,937,777 km (0.072 R)
• M10: 6,119,750 km (0.028 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.5

Radius: 12.2

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.69 AU - 1.11 AU

Year: 569 Days

Day: 10.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,695,345 km

• M1: 151,692 km (0.117 R)
• M2: 672,143 km (0.097 R)
• M3: 1,174,343 km (0.108 R)
• M4: 1,705,416 km (0.071 R)
• M5: 2,310,988 km (0.084 R)
• M6: 2,785,512 km (0.115 R)
• M7: 3,699,406 km (0.09 R)
• M8: 4,114,689 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474

Radius: 13.6

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.37 AU - 1.45 AU

Year: 1116 Days

Day: 6.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,695,345 km

• M1: 169,345 km (0.102 R)
• M2: 695,032 km (0.095 R)
• M3: 1,197,980 km (0.045 R)
• M4: 1,715,888 km (0.108 R)
• M5: 2,482,876 km (0.06 R)
• M6: 3,166,837 km (0.082 R)
• M7: 3,805,321 km (0.057 R)
• M8: 4,701,113 km (0.106 R)
• M9: 5,134,199 km (0.037 R)
• M10: 5,673,350 km (0.088 R)
• M11: 6,335,619 km (0.069 R)
• M12: 6,775,437 km (0.085 R)
• M13: 8,117,031 km (0.07 R)
• M14: 9,262,203 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.9

Radius: 13.7

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.17 AU - 1.79 AU

Year: 1201 Days

Day: 6.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,695,345 km

• M1: 170,542 km (0.063 R)
• M2: 658,979 km (0.114 R)
• M3: 1,126,472 km (0.038 R)
• M4: 1,632,412 km (0.12 R)
• M5: 2,734,799 km (0.042 R)
• M6: 4,113,642 km (0.056 R)
• M7: 5,324,787 km (0.069 R)
• M8: 5,936,791 km (0.028 R)
• M9: 6,525,160 km (0.111 R)
• M10: 8,611,601 km (0.109 R)
• M11: 9,218,520 km (0.102 R)
• M12: 9,946,762 km (0.094 R)
• M13: 11,518,737 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.5

Radius: 9.8

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.97 AU - 3.11 AU

Year: 2699 Days

Day: 11.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,695,345 km

• M1: 122,072 km (0.079 R)
• M2: 523,293 km (0.118 R)
• M3: 953,387 km (0.046 R)
• M4: 1,261,559 km (0.052 R)
• M5: 1,984,416 km (0.107 R)
• M6: 2,365,890 km (0.088 R)
• M7: 2,779,828 km (0.064 R)
• M8: 3,314,640 km (0.059 R)
• M9: 4,728,938 km (0.065 R)
• M10: 5,138,088 km (0.112 R)
• M11: 5,755,778 km (0.111 R)
• M12: 6,774,390 km (0.115 R)
• M13: 7,614,083 km (0.092 R)
• M14: 7,942,301 km (0.101 R)
• M15: 9,919,087 km (0.111 R)
• M16: 10,550,839 km (0.089 R)
• M17: 12,382,515 km (0.112 R)
• M18: 12,836,993 km (0.099 R)
• M19: 14,317,563 km (0.105 R)
• M20: 15,697,005 km (0.078 R)
• M21: 16,283,579 km (0.092 R)
• M22: 16,829,611 km (0.101 R)
• M23: 17,219,014 km (0.115 R)
• M24: 19,560,670 km (0.101 R)
• M25: 20,115,378 km (0.09 R)
• M26: 21,842,935 km (0.045 R)
• M27: 22,306,389 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.5

Radius: 8

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.03 AU - 3.31 AU

Year: 2909 Days

Day: 13.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,695,345 km

• M1: 99,483 km (0.115 R)
• M2: 571,613 km (0.116 R)
• M3: 1,131,110 km (0.095 R)
• M4: 1,538,465 km (0.044 R)
• M5: 2,003,564 km (0.069 R)
• M6: 2,443,382 km (0.089 R)
• M7: 3,061,520 km (0.096 R)
• M8: 5,037,559 km (0.112 R)
• M9: 5,621,738 km (0.083 R)
• M10: 6,386,931 km (0.064 R)
• M11: 6,837,969 km (0.103 R)
• M12: 7,309,950 km (0.109 R)
• M13: 8,286,226 km (0.104 R)
• M14: 8,618,932 km (0.035 R)
• M15: 10,650,172 km (0.081 R)
• M16: 12,240,397 km (0.089 R)
• M17: 13,475,776 km (0.097 R)
• M18: 14,840,558 km (0.09 R)
• M19: 16,555,398 km (0.114 R)
• M20: 17,623,676 km (0.104 R)

Asteroid Belt

Center: 2.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.8

Radius: 12.4

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.96 AU - 3.5 AU

Year: 3871 Days

Day: 9.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,695,345 km

• M1: 156,031 km (0.094 R)
• M2: 605,273 km (0.077 R)
• M3: 1,486,404 km (0.047 R)
• M4: 1,977,235 km (0.114 R)
• M5: 3,120,312 km (0.102 R)
• M6: 3,698,807 km (0.113 R)
• M7: 4,115,886 km (0.049 R)
• M8: 5,903,581 km (0.107 R)
• M9: 7,838,480 km (0.097 R)
• M10: 9,028,231 km (0.068 R)
• M11: 11,717,403 km (0.1 R)
• M12: 12,429,040 km (0.069 R)
• M13: 13,270,229 km (0.115 R)
• M14: 14,792,237 km (0.096 R)
• M15: 18,118,097 km (0.117 R)
• M16: 20,526,324 km (0.086 R)
• M17: 21,560,793 km (0.081 R)
• M18: 22,993,791 km (0.119 R)
• M19: 24,413,026 km (0.099 R)
• M20: 25,339,037 km (0.098 R)
• M21: 26,048,879 km (0.101 R)
• M22: 26,610,020 km (0.075 R)
• M23: 27,343,349 km (0.031 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.2

Radius: 6.1

Gravity: 12.02 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 9.04 AU - 10.76 AU

Year: 20772 Days

Day: 16.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,695,345 km

• M1: 75,846 km (0.088 R)
• M2: 497,114 km (0.057 R)
• M3: 795,861 km (0.06 R)
• M4: 1,421,629 km (0.103 R)
• M5: 1,657,694 km (0.053 R)
• M6: 1,956,890 km (0.091 R)
• M7: 3,283,524 km (0.11 R)
• M8: 3,528,864 km (0.083 R)
• M9: 4,087,014 km (0.098 R)
• M10: 8,227,584 km (0.109 R)
• M11: 9,420,028 km (0.07 R)
• M12: 9,972,792 km (0.076 R)
• M13: 11,950,925 km (0.093 R)
• M14: 12,598,534 km (0.095 R)
• M15: 18,389,917 km (0.108 R)
• M16: 19,340,013 km (0.075 R)
• M17: 24,482,739 km (0.037 R)
• M18: 25,950,892 km (0.101 R)
• M19: 36,816,186 km (0.073 R)
• M20: 40,585,154 km (0.056 R)
• M21: 42,935,786 km (0.115 R)
• M22: 64,501,216 km (0.037 R)
• M23: 65,488,413 km (0.089 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: 404 - 19,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit