🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.2

Radius: 10.7

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.76 AU - 1.08 AU

Year: 570 Days

Day: 8.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,059,809 km

• M1: 133,142 km (0.097 R)
• M2: 501,003 km (0.038 R)
• M3: 861,235 km (0.115 R)
• M4: 1,281,755 km (0.066 R)
• M5: 1,839,455 km (0.091 R)
• M6: 2,531,944 km (0.118 R)
• M7: 2,992,556 km (0.107 R)
• M8: 3,351,740 km (0.05 R)
• M9: 3,981,099 km (0.085 R)
• M10: 4,339,685 km (0.111 R)
• M11: 4,818,547 km (0.044 R)
• M12: 5,750,692 km (0.082 R)
• M13: 6,820,017 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.3

Radius: 10.8

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.87 AU - 1.07 AU

Year: 617 Days

Day: 14.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,059,809 km

• M1: 135,386 km (0.088 R)
• M2: 495,468 km (0.12 R)
• M3: 971,040 km (0.109 R)
• M4: 1,342,940 km (0.071 R)
• M5: 1,754,334 km (0.116 R)
• M6: 2,288,548 km (0.094 R)
• M7: 2,659,551 km (0.113 R)
• M8: 4,923,565 km (0.107 R)
• M9: 5,404,522 km (0.102 R)
• M10: 5,748,448 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.5

Radius: 10.4

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.49 AU - 2.51 AU

Year: 2552 Days

Day: 13.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,059,809 km

• M1: 130,150 km (0.11 R)
• M2: 649,853 km (0.119 R)
• M3: 1,045,839 km (0.087 R)
• M4: 1,586,186 km (0.105 R)
• M5: 3,566,862 km (0.036 R)
• M6: 4,439,616 km (0.097 R)
• M7: 4,838,145 km (0.12 R)
• M8: 5,343,786 km (0.114 R)
• M9: 6,437,047 km (0.097 R)
• M10: 7,074,783 km (0.116 R)
• M11: 7,593,588 km (0.1 R)
• M12: 8,026,674 km (0.08 R)
• M13: 10,744,418 km (0.111 R)
• M14: 12,588,810 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.8

Radius: 11.2

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.44 AU - 3.5 AU

Year: 3305 Days

Day: 5.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,059,809 km

• M1: 139,276 km (0.12 R)
• M2: 565,929 km (0.116 R)
• M3: 933,640 km (0.1 R)
• M4: 1,499,270 km (0.112 R)
• M5: 1,987,557 km (0.11 R)
• M6: 2,414,659 km (0.106 R)
• M7: 2,953,660 km (0.088 R)
• M8: 3,475,757 km (0.096 R)
• M9: 4,187,095 km (0.082 R)
• M10: 4,543,287 km (0.086 R)
• M11: 6,611,179 km (0.104 R)
• M12: 7,347,948 km (0.048 R)
• M13: 7,935,569 km (0.091 R)
• M14: 8,554,455 km (0.083 R)
• M15: 8,984,699 km (0.104 R)
• M16: 9,429,303 km (0.079 R)
• M17: 12,054,297 km (0.096 R)
• M18: 14,518,773 km (0.114 R)
• M19: 19,425,134 km (0.053 R)
• M20: 21,062,931 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.7

Radius: 12.5

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.44 AU - 5.12 AU

Year: 6748 Days

Day: 6.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,059,809 km

• M1: 155,432 km (0.107 R)
• M2: 666,309 km (0.109 R)
• M3: 1,082,939 km (0.086 R)
• M4: 2,421,990 km (0.109 R)
• M5: 2,917,906 km (0.078 R)
• M6: 3,896,576 km (0.107 R)
• M7: 4,370,951 km (0.101 R)
• M8: 4,968,594 km (0.058 R)
• M9: 5,650,910 km (0.049 R)
• M10: 6,327,691 km (0.083 R)
• M11: 6,879,108 km (0.075 R)
• M12: 7,960,402 km (0.056 R)
• M13: 9,949,156 km (0.102 R)
• M14: 12,197,612 km (0.09 R)
• M15: 18,150,410 km (0.096 R)
• M16: 18,702,576 km (0.112 R)
• M17: 20,501,042 km (0.093 R)
• M18: 23,208,614 km (0.12 R)
• M19: 25,972,285 km (0.106 R)
• M20: 26,585,486 km (0.098 R)
• M21: 29,988,988 km (0.102 R)
• M22: 31,054,274 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.7

Radius: 10

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.73 AU - 5.45 AU

Year: 7415 Days

Day: 13.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,059,809 km

• M1: 133,441 km (0.119 R)
• M2: 482,752 km (0.111 R)
• M3: 1,234,781 km (0.041 R)
• M4: 3,049,553 km (0.088 R)
• M5: 5,106,823 km (0.074 R)
• M6: 7,161,848 km (0.091 R)
• M7: 12,315,196 km (0.061 R)
• M8: 16,235,408 km (0.037 R)
• M9: 19,312,786 km (0.114 R)
• M10: 21,349,561 km (0.052 R)
• M11: 27,273,936 km (0.091 R)
• M12: 29,021,239 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.7

Radius: 13.9

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.43 AU - 6.67 AU

Year: 8442 Days

Day: 7.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,059,809 km

• M1: 172,935 km (0.061 R)
• M2: 614,847 km (0.094 R)
• M3: 1,734,438 km (0.107 R)
• M4: 2,235,890 km (0.115 R)
• M5: 2,794,189 km (0.101 R)
• M6: 3,239,691 km (0.118 R)
• M7: 3,832,548 km (0.072 R)
• M8: 5,206,754 km (0.116 R)
• M9: 5,921,682 km (0.113 R)
• M10: 6,887,935 km (0.115 R)
• M11: 7,588,801 km (0.086 R)
• M12: 8,336,790 km (0.112 R)
• M13: 10,323,599 km (0.088 R)
• M14: 11,614,629 km (0.103 R)
• M15: 12,495,910 km (0.098 R)
• M16: 18,895,857 km (0.111 R)
• M17: 20,349,200 km (0.051 R)
• M18: 23,048,843 km (0.07 R)
• M19: 24,263,279 km (0.045 R)
• M20: 24,886,204 km (0.074 R)
• M21: 25,428,646 km (0.05 R)
• M22: 26,914,003 km (0.115 R)
• M23: 28,065,309 km (0.052 R)
• M24: 30,261,106 km (0.112 R)
• M25: 32,569,252 km (0.094 R)
• M26: 33,327,713 km (0.053 R)
• M27: 36,595,828 km (0.084 R)
• M28: 41,446,240 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.7

Radius: 7.6

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.58 AU - 11.06 AU

Year: 21406 Days

Day: 17.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,059,809 km

• M1: 95,294 km (0.074 R)
• M2: 381,923 km (0.104 R)
• M3: 1,612,815 km (0.112 R)
• M4: 4,406,405 km (0.072 R)
• M5: 4,707,845 km (0.031 R)
• M6: 6,127,379 km (0.101 R)
• M7: 10,830,138 km (0.119 R)
• M8: 12,007,323 km (0.036 R)
• M9: 18,959,137 km (0.099 R)
• M10: 20,166,391 km (0.085 R)
• M11: 27,582,855 km (0.086 R)
• M12: 43,104,532 km (0.12 R)
• M13: 45,467,730 km (0.062 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 17,509 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit