🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.7

Radius: 15

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.57 AU - 0.57 AU

Year: 297 Days

Day: 8.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,615,379 km

• M1: 186,698 km (0.099 R)
• M2: 672,592 km (0.07 R)
• M3: 1,164,171 km (0.087 R)
• M4: 1,687,913 km (0.032 R)
• M5: 2,174,555 km (0.066 R)
• M6: 2,784,764 km (0.055 R)
• M7: 3,633,134 km (0.085 R)
• M8: 4,100,478 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.6

Radius: 13.2

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.66 AU - 0.94 AU

Year: 494 Days

Day: 14.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,615,379 km

• M1: 166,353 km (0.099 R)
• M2: 705,504 km (0.036 R)
• M3: 1,198,279 km (0.106 R)
• M4: 1,646,773 km (0.11 R)
• M5: 2,116,810 km (0.084 R)
• M6: 2,676,904 km (0.111 R)
• M7: 3,210,670 km (0.105 R)
• M8: 3,903,906 km (0.108 R)
• M9: 4,355,392 km (0.111 R)
• M10: 4,886,465 km (0.085 R)
• M11: 5,689,506 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.7

Radius: 13.7

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.94 AU - 0.94 AU

Year: 629 Days

Day: 9.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,615,379 km

• M1: 170,392 km (0.085 R)
• M2: 825,331 km (0.042 R)
• M3: 1,333,515 km (0.116 R)
• M4: 2,557,525 km (0.116 R)
• M5: 3,666,494 km (0.086 R)
• M6: 4,125,760 km (0.111 R)
• M7: 4,754,071 km (0.079 R)
• M8: 5,319,999 km (0.108 R)
• M9: 6,046,746 km (0.106 R)
• M10: 6,988,016 km (0.085 R)
• M11: 8,072,152 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.2

Radius: 8.2

Gravity: 13.05 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.07 AU - 1.75 AU

Year: 1156 Days

Day: 8.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 154.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,615,379 km

• M1: 102,026 km (0.05 R)
• M2: 397,631 km (0.05 R)
• M3: 845,378 km (0.051 R)
• M4: 1,365,529 km (0.068 R)
• M5: 1,679,386 km (0.106 R)
• M6: 2,882,003 km (0.102 R)
• M7: 3,543,824 km (0.029 R)
• M8: 3,818,785 km (0.116 R)
• M9: 4,430,341 km (0.065 R)
• M10: 6,094,916 km (0.112 R)
• M11: 6,467,415 km (0.064 R)
• M12: 6,879,856 km (0.059 R)
• M13: 8,111,795 km (0.027 R)
• M14: 8,620,428 km (0.089 R)
• M15: 9,608,222 km (0.104 R)
• M16: 10,702,830 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.2

Radius: 12.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.85 AU - 2.57 AU

Year: 2268 Days

Day: 13.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,615,379 km

• M1: 158,125 km (0.085 R)
• M2: 554,859 km (0.114 R)
• M3: 1,071,570 km (0.086 R)
• M4: 1,550,881 km (0.1 R)
• M5: 3,134,674 km (0.072 R)
• M6: 4,631,700 km (0.101 R)
• M7: 5,301,749 km (0.065 R)
• M8: 5,908,667 km (0.098 R)
• M9: 6,453,951 km (0.114 R)
• M10: 7,118,016 km (0.116 R)
• M11: 8,011,864 km (0.076 R)
• M12: 8,979,163 km (0.113 R)
• M13: 9,421,973 km (0.11 R)
• M14: 10,167,868 km (0.106 R)
• M15: 12,021,086 km (0.104 R)
• M16: 13,027,880 km (0.099 R)
• M17: 14,089,875 km (0.075 R)
• M18: 14,642,191 km (0.091 R)
• M19: 15,352,930 km (0.119 R)
• M20: 17,308,623 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.3

Radius: 14.7

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.39 AU - 5.43 AU

Year: 6392 Days

Day: 5.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,615,379 km

• M1: 183,407 km (0.04 R)
• M2: 899,233 km (0.071 R)
• M3: 1,591,422 km (0.119 R)
• M4: 2,794,488 km (0.093 R)
• M5: 3,581,672 km (0.08 R)
• M6: 4,756,016 km (0.078 R)
• M7: 6,206,666 km (0.115 R)
• M8: 7,819,032 km (0.096 R)
• M9: 8,373,741 km (0.119 R)
• M10: 13,977,827 km (0.086 R)
• M11: 15,897,317 km (0.044 R)
• M12: 18,329,629 km (0.098 R)
• M13: 23,675,209 km (0.115 R)
• M14: 26,393,104 km (0.099 R)
• M15: 29,787,928 km (0.085 R)
• M16: 30,753,283 km (0.095 R)
• M17: 31,839,064 km (0.066 R)
• M18: 32,543,222 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.8

Radius: 8

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.44 AU - 7.4 AU

Year: 9942 Days

Day: 16.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,615,379 km

• M1: 99,782 km (0.092 R)
• M2: 460,911 km (0.083 R)
• M3: 714,928 km (0.11 R)
• M4: 965,953 km (0.053 R)
• M5: 1,571,974 km (0.086 R)
• M6: 3,078,575 km (0.064 R)
• M7: 3,350,693 km (0.095 R)
• M8: 4,432,435 km (0.099 R)
• M9: 5,401,082 km (0.078 R)
• M10: 6,074,272 km (0.114 R)
• M11: 6,541,017 km (0.088 R)
• M12: 7,792,254 km (0.063 R)
• M13: 11,714,411 km (0.075 R)
• M14: 13,608,470 km (0.109 R)
• M15: 14,914,908 km (0.084 R)
• M16: 16,099,573 km (0.096 R)
• M17: 17,631,306 km (0.078 R)
• M18: 17,992,585 km (0.096 R)
• M19: 18,954,798 km (0.065 R)
• M20: 22,806,195 km (0.101 R)
• M21: 24,644,155 km (0.046 R)
• M22: 28,910,836 km (0.1 R)
• M23: 29,514,463 km (0.059 R)
• M24: 32,659,908 km (0.095 R)
• M25: 33,095,387 km (0.094 R)
• M26: 36,370,234 km (0.093 R)
• M27: 39,978,685 km (0.091 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: 274 - 12,203 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit