🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547

Radius: 10.2

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.8 AU - 0.9 AU

Year: 532 Days

Day: 13.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,358,680 km

• M1: 127,009 km (0.077 R)
• M2: 527,033 km (0.045 R)
• M3: 915,389 km (0.025 R)
• M4: 1,291,778 km (0.082 R)
• M5: 1,711,549 km (0.117 R)
• M6: 2,038,121 km (0.095 R)
• M7: 2,378,307 km (0.09 R)
• M8: 3,198,552 km (0.064 R)
• M9: 3,856,484 km (0.064 R)
• M10: 4,225,093 km (0.038 R)
• M11: 4,907,708 km (0.101 R)
• M12: 5,853,615 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.4

Radius: 11.4

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.81 AU - 1.17 AU

Year: 668 Days

Day: 7.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,358,680 km

• M1: 141,819 km (0.079 R)
• M2: 551,567 km (0.068 R)
• M3: 976,425 km (0.079 R)
• M4: 1,369,569 km (0.084 R)
• M5: 1,853,368 km (0.069 R)
• M6: 2,690,667 km (0.105 R)
• M7: 3,135,422 km (0.042 R)
• M8: 3,536,942 km (0.098 R)
• M9: 3,930,385 km (0.037 R)
• M10: 4,338,039 km (0.091 R)
• M11: 4,887,512 km (0.108 R)
• M12: 5,273,475 km (0.104 R)
• M13: 5,955,940 km (0.111 R)
• M14: 6,318,864 km (0.095 R)
• M15: 6,901,399 km (0.097 R)
• M16: 7,302,171 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.7

Radius: 12.5

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.97 AU - 1.17 AU

Year: 751 Days

Day: 12.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,358,680 km

• M1: 155,432 km (0.084 R)
• M2: 593,455 km (0.056 R)
• M3: 987,346 km (0.081 R)
• M4: 1,847,384 km (0.073 R)
• M5: 2,345,395 km (0.059 R)
• M6: 2,788,804 km (0.071 R)
• M7: 3,328,104 km (0.115 R)
• M8: 3,891,789 km (0.109 R)
• M9: 4,323,678 km (0.109 R)
• M10: 4,873,899 km (0.103 R)
• M11: 5,433,095 km (0.086 R)
• M12: 5,855,709 km (0.049 R)
• M13: 6,320,959 km (0.118 R)
• M14: 6,745,518 km (0.111 R)
• M15: 7,581,470 km (0.034 R)
• M16: 8,561,785 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.9

Radius: 14.5

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.95 AU - 2.27 AU

Year: 2079 Days

Day: 9.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,358,680 km

• M1: 180,565 km (0.11 R)
• M2: 662,719 km (0.091 R)
• M3: 1,457,532 km (0.065 R)
• M4: 2,065,348 km (0.081 R)
• M5: 2,562,462 km (0.084 R)
• M6: 3,017,838 km (0.077 R)
• M7: 4,170,489 km (0.098 R)
• M8: 5,882,637 km (0.037 R)
• M9: 7,195,807 km (0.072 R)
• M10: 8,387,055 km (0.06 R)
• M11: 9,339,096 km (0.096 R)
• M12: 10,901,197 km (0.068 R)
• M13: 12,712,378 km (0.071 R)
• M14: 15,214,851 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.2

Radius: 8.8

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.95 AU - 5.15 AU

Year: 6583 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,358,680 km

• M1: 119,379 km (0.094 R)
• M2: 741,407 km (0.057 R)
• M3: 1,205,609 km (0.086 R)
• M4: 1,882,839 km (0.032 R)
• M5: 2,665,684 km (0.114 R)
• M6: 3,925,299 km (0.056 R)
• M7: 4,779,652 km (0.112 R)
• M8: 5,424,568 km (0.082 R)
• M9: 7,272,850 km (0.086 R)
• M10: 7,784,325 km (0.067 R)
• M11: 11,084,454 km (0.114 R)
• M12: 14,465,964 km (0.064 R)
• M13: 14,809,142 km (0.101 R)
• M14: 15,216,497 km (0.101 R)
• M15: 15,511,803 km (0.07 R)
• M16: 16,669,691 km (0.088 R)
• M17: 22,791,535 km (0.072 R)
• M18: 25,262,443 km (0.111 R)
• M19: 27,120,748 km (0.111 R)
• M20: 27,730,658 km (0.069 R)
• M21: 30,448,552 km (0.1 R)
• M22: 32,161,897 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.9

Radius: 9.1

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.51 AU - 5.15 AU

Year: 7200 Days

Day: 5.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,358,680 km

• M1: 113,246 km (0.032 R)
• M2: 443,558 km (0.117 R)
• M3: 838,346 km (0.117 R)
• M4: 1,162,824 km (0.113 R)
• M5: 1,487,601 km (0.095 R)
• M6: 2,341,655 km (0.119 R)
• M7: 2,886,341 km (0.115 R)
• M8: 3,280,981 km (0.04 R)
• M9: 4,402,217 km (0.056 R)
• M10: 5,463,314 km (0.105 R)
• M11: 8,275,305 km (0.107 R)
• M12: 9,578,901 km (0.034 R)
• M13: 11,108,839 km (0.039 R)
• M14: 12,031,409 km (0.11 R)
• M15: 13,590,817 km (0.037 R)
• M16: 16,176,317 km (0.106 R)
• M17: 20,464,690 km (0.101 R)
• M18: 22,298,161 km (0.085 R)
• M19: 23,293,585 km (0.085 R)
• M20: 24,639,816 km (0.118 R)
• M21: 25,373,145 km (0.111 R)
• M22: 25,786,783 km (0.053 R)
• M23: 27,313,130 km (0.064 R)
• M24: 27,747,712 km (0.099 R)
• M25: 28,719,799 km (0.083 R)
• M26: 29,078,834 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379

Radius: 14.4

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.32 AU - 6.18 AU

Year: 8159 Days

Day: 13.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,358,680 km

• M1: 179,517 km (0.09 R)
• M2: 675,584 km (0.074 R)
• M3: 1,278,164 km (0.093 R)
• M4: 1,882,390 km (0.108 R)
• M5: 2,483,474 km (0.069 R)
• M6: 3,505,976 km (0.106 R)
• M7: 4,528,926 km (0.08 R)
• M8: 6,575,724 km (0.111 R)
• M9: 7,198,799 km (0.084 R)
• M10: 7,710,573 km (0.106 R)
• M11: 8,168,343 km (0.115 R)
• M12: 9,652,503 km (0.096 R)
• M13: 10,321,505 km (0.078 R)
• M14: 11,358,667 km (0.113 R)
• M15: 12,936,476 km (0.117 R)
• M16: 14,714,297 km (0.081 R)
• M17: 15,783,174 km (0.079 R)
• M18: 18,818,515 km (0.104 R)
• M19: 20,365,207 km (0.085 R)
• M20: 21,767,837 km (0.117 R)
• M21: 22,531,534 km (0.101 R)
• M22: 30,324,536 km (0.068 R)
• M23: 32,250,309 km (0.113 R)
• M24: 34,358,741 km (0.059 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 18,878 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit