🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.6

Radius: 8.6

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.83 AU - 1.13 AU

Year: 636 Days

Day: 13 Hours

Environment

Temp: -148 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,292,656 km

• M1: 106,962 km (0.116 R)
• M2: 386,112 km (0.068 R)
• M3: 699,071 km (0.113 R)
• M4: 1,253,929 km (0.075 R)
• M5: 1,632,861 km (0.098 R)
• M6: 2,123,392 km (0.103 R)
• M7: 2,489,159 km (0.094 R)
• M8: 2,930,772 km (0.044 R)
• M9: 3,385,998 km (0.093 R)
• M10: 4,514,116 km (0.057 R)
• M11: 5,055,810 km (0.111 R)
• M12: 5,359,643 km (0.109 R)
• M13: 6,230,452 km (0.098 R)
• M14: 6,580,362 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.1

Radius: 13.4

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.87 AU - 1.14 AU

Year: 656 Days

Day: 8.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,292,656 km

• M1: 166,652 km (0.116 R)
• M2: 757,115 km (0.096 R)
• M3: 1,558,810 km (0.029 R)
• M4: 1,991,297 km (0.074 R)
• M5: 2,462,680 km (0.075 R)
• M6: 3,107,597 km (0.099 R)
• M7: 3,805,471 km (0.089 R)
• M8: 4,738,363 km (0.116 R)
• M9: 5,259,412 km (0.047 R)
• M10: 6,213,248 km (0.071 R)
• M11: 7,715,061 km (0.112 R)
• M12: 8,339,782 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.5

Radius: 8.1

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.5 AU - 1.76 AU

Year: 1365 Days

Day: 9.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,292,656 km

• M1: 101,577 km (0.096 R)
• M2: 372,798 km (0.117 R)
• M3: 737,667 km (0.066 R)
• M4: 1,212,341 km (0.119 R)
• M5: 1,556,865 km (0.098 R)
• M6: 1,975,889 km (0.025 R)
• M7: 3,027,113 km (0.035 R)
• M8: 3,728,428 km (0.086 R)
• M9: 4,192,032 km (0.111 R)
• M10: 4,657,730 km (0.11 R)
• M11: 6,665,632 km (0.079 R)
• M12: 6,966,474 km (0.056 R)
• M13: 7,228,120 km (0.095 R)
• M14: 8,209,034 km (0.107 R)
• M15: 8,554,904 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179

Radius: 13.8

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.5 AU - 2.36 AU

Year: 1759 Days

Day: 5.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,292,656 km

• M1: 171,589 km (0.081 R)
• M2: 608,863 km (0.071 R)
• M3: 1,055,712 km (0.077 R)
• M4: 1,554,471 km (0.054 R)
• M5: 2,243,220 km (0.111 R)
• M6: 2,730,610 km (0.066 R)
• M7: 3,329,899 km (0.072 R)
• M8: 3,802,179 km (0.073 R)
• M9: 4,303,033 km (0.079 R)
• M10: 6,118,703 km (0.092 R)
• M11: 7,082,562 km (0.084 R)
• M12: 7,698,306 km (0.04 R)
• M13: 9,146,414 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.1

Radius: 14

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.95 AU - 4.43 AU

Year: 4650 Days

Day: 6 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,292,656 km

• M1: 174,132 km (0.104 R)
• M2: 623,973 km (0.11 R)
• M3: 1,172,698 km (0.112 R)
• M4: 1,749,248 km (0.096 R)
• M5: 2,241,275 km (0.099 R)
• M6: 2,918,056 km (0.047 R)
• M7: 3,576,436 km (0.097 R)
• M8: 5,562,348 km (0.116 R)
• M9: 6,418,048 km (0.111 R)
• M10: 7,081,814 km (0.084 R)
• M11: 8,547,125 km (0.065 R)
• M12: 9,105,125 km (0.108 R)
• M13: 9,944,518 km (0.099 R)
• M14: 11,205,629 km (0.062 R)
• M15: 11,826,310 km (0.109 R)
• M16: 12,269,419 km (0.085 R)
• M17: 13,827,182 km (0.043 R)
• M18: 15,050,743 km (0.073 R)
• M19: 17,395,689 km (0.064 R)
• M20: 18,228,800 km (0.106 R)
• M21: 19,562,465 km (0.099 R)
• M22: 21,031,665 km (0.085 R)
• M23: 21,610,310 km (0.085 R)
• M24: 27,650,324 km (0.106 R)
• M25: 29,860,333 km (0.045 R)
• M26: 30,591,867 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.4

Radius: 3.9

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.31 AU - 10.47 AU

Year: 18876 Days

Day: 21 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,292,656 km

• M1: 48,769 km (0.109 R)
• M2: 287,228 km (0.114 R)
• M3: 459,714 km (0.037 R)
• M4: 675,883 km (0.117 R)
• M5: 812,316 km (0.109 R)
• M6: 1,311,674 km (0.093 R)
• M7: 1,484,160 km (0.048 R)
• M8: 1,763,759 km (0.092 R)
• M9: 3,459,900 km (0.109 R)
• M10: 3,584,664 km (0.12 R)
• M11: 5,261,357 km (0.086 R)
• M12: 5,393,302 km (0.057 R)
• M13: 11,757,345 km (0.112 R)
• M14: 12,678,270 km (0.09 R)
• M15: 13,035,659 km (0.054 R)
• M16: 15,056,278 km (0.099 R)
• M17: 16,419,862 km (0.053 R)
• M18: 17,789,431 km (0.11 R)
• M19: 19,784,468 km (0.104 R)
• M20: 22,524,951 km (0.061 R)
• M21: 23,491,952 km (0.084 R)
• M22: 23,850,239 km (0.053 R)
• M23: 27,935,906 km (0.11 R)
• M24: 30,196,031 km (0.087 R)
• M25: 30,619,692 km (0.118 R)
• M26: 32,686,088 km (0.071 R)
• M27: 38,440,370 km (0.114 R)
• M28: 41,229,772 km (0.12 R)
• M29: 42,408,902 km (0.107 R)
• M30: 42,673,840 km (0.072 R)
• M31: 45,523,679 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.2

Radius: 5.6

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 8.14 AU - 12.66 AU

Year: 22002 Days

Day: 18.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,292,656 km

• M1: 105,915 km (0.041 R)
• M2: 603,777 km (0.049 R)
• M3: 1,131,708 km (0.069 R)
• M4: 1,895,555 km (0.083 R)
• M5: 6,109,876 km (0.075 R)
• M6: 10,880,702 km (0.094 R)
• M7: 11,399,657 km (0.11 R)
• M8: 12,882,770 km (0.087 R)
• M9: 15,438,650 km (0.1 R)
• M10: 20,029,659 km (0.113 R)
• M11: 21,850,415 km (0.082 R)
• M12: 33,704,400 km (0.12 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 17,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit