🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.6

Radius: 9.8

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.66 AU - 0.76 AU

Year: 392 Days

Day: 14.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,534,822 km

• M1: 121,922 km (0.097 R)
• M2: 453,730 km (0.106 R)
• M3: 797,057 km (0.099 R)
• M4: 1,128,417 km (0.118 R)
• M5: 1,436,439 km (0.092 R)
• M6: 1,925,175 km (0.096 R)
• M7: 2,564,706 km (0.116 R)
• M8: 2,925,237 km (0.113 R)
• M9: 3,413,075 km (0.092 R)
• M10: 3,873,687 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.2

Radius: 13.9

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.85 AU - 1.05 AU

Year: 607 Days

Day: 6.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,534,822 km

• M1: 172,935 km (0.103 R)
• M2: 609,611 km (0.055 R)
• M3: 1,048,232 km (0.111 R)
• M4: 1,650,813 km (0.095 R)
• M5: 2,451,012 km (0.051 R)
• M6: 3,345,906 km (0.106 R)
• M7: 4,123,815 km (0.091 R)
• M8: 4,969,940 km (0.058 R)
• M9: 5,910,761 km (0.087 R)
• M10: 6,802,963 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.2

Radius: 9.2

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.92 AU - 3.02 AU

Year: 2547 Days

Day: 12.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,534,822 km

• M1: 116,387 km (0.041 R)
• M2: 416,780 km (0.117 R)
• M3: 730,786 km (0.093 R)
• M4: 1,047,634 km (0.069 R)
• M5: 1,599,800 km (0.081 R)
• M6: 2,136,108 km (0.114 R)
• M7: 2,621,104 km (0.109 R)
• M8: 3,027,711 km (0.056 R)
• M9: 3,530,659 km (0.086 R)
• M10: 3,850,799 km (0.076 R)
• M11: 4,169,741 km (0.094 R)
• M12: 4,506,337 km (0.086 R)
• M13: 6,144,882 km (0.078 R)
• M14: 7,734,659 km (0.067 R)
• M15: 8,342,774 km (0.087 R)
• M16: 10,435,499 km (0.091 R)
• M17: 10,900,449 km (0.104 R)
• M18: 12,165,748 km (0.119 R)
• M19: 13,435,534 km (0.071 R)
• M20: 14,647,277 km (0.109 R)
• M21: 15,034,436 km (0.099 R)
• M22: 15,678,006 km (0.056 R)
• M23: 16,703,799 km (0.102 R)
• M24: 17,126,413 km (0.059 R)
• M25: 17,610,512 km (0.117 R)
• M26: 18,945,673 km (0.1 R)
• M27: 19,405,537 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106

Radius: 8.6

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.61 AU - 3.57 AU

Year: 3563 Days

Day: 8.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 136.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,534,822 km

• M1: 106,962 km (0.062 R)
• M2: 1,141,133 km (0.077 R)
• M3: 1,691,204 km (0.111 R)
• M4: 5,849,576 km (0.114 R)
• M5: 6,383,341 km (0.088 R)
• M6: 9,520,408 km (0.1 R)
• M7: 10,062,701 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.8

Radius: 11.9

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.11 AU - 3.17 AU

Year: 3650 Days

Day: 9.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,534,822 km

• M1: 148,999 km (0.108 R)
• M2: 548,276 km (0.046 R)
• M3: 922,420 km (0.084 R)
• M4: 3,148,138 km (0.107 R)
• M5: 4,182,607 km (0.109 R)
• M6: 4,875,395 km (0.108 R)
• M7: 5,509,989 km (0.112 R)
• M8: 6,343,548 km (0.084 R)
• M9: 7,038,131 km (0.119 R)
• M10: 7,682,599 km (0.037 R)
• M11: 9,737,325 km (0.085 R)
• M12: 10,745,166 km (0.1 R)
• M13: 12,135,230 km (0.116 R)
• M14: 13,350,264 km (0.037 R)
• M15: 13,838,551 km (0.084 R)
• M16: 19,648,932 km (0.116 R)
• M17: 22,192,246 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.3

Radius: 7.6

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.95 AU - 6.17 AU

Year: 9786 Days

Day: 23.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,534,822 km

• M1: 94,546 km (0.07 R)
• M2: 421,866 km (0.088 R)
• M3: 692,189 km (0.117 R)
• M4: 961,914 km (0.098 R)
• M5: 2,179,043 km (0.055 R)
• M6: 3,331,694 km (0.102 R)
• M7: 3,686,690 km (0.119 R)
• M8: 4,307,072 km (0.106 R)
• M9: 7,148,833 km (0.102 R)
• M10: 7,460,595 km (0.112 R)
• M11: 7,986,432 km (0.114 R)
• M12: 9,432,744 km (0.108 R)
• M13: 9,760,663 km (0.112 R)
• M14: 10,389,722 km (0.07 R)
• M15: 10,638,802 km (0.033 R)
• M16: 11,998,946 km (0.054 R)
• M17: 12,834,450 km (0.092 R)
• M18: 13,471,288 km (0.077 R)
• M19: 16,975,618 km (0.059 R)
• M20: 17,391,201 km (0.102 R)
• M21: 17,742,756 km (0.074 R)
• M22: 21,443,209 km (0.091 R)
• M23: 23,773,346 km (0.066 R)
• M24: 24,644,753 km (0.106 R)
• M25: 24,910,439 km (0.12 R)
• M26: 25,537,404 km (0.103 R)
• M27: 27,010,344 km (0.073 R)
• M28: 29,922,865 km (0.104 R)
• M29: 30,326,480 km (0.093 R)
• M30: 31,663,137 km (0.088 R)
• M31: 35,007,996 km (0.091 R)
• M32: 39,420,685 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.3

Radius: 3.4

Gravity: 20.7 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 8.56 AU - 12.76 AU

Year: 22832 Days

Day: 21.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,534,822 km

• M1: 43,234 km (0.092 R)
• M2: 192,682 km (0.052 R)
• M3: 334,800 km (0.057 R)
• M4: 772,673 km (0.104 R)
• M5: 956,230 km (0.077 R)
• M6: 1,070,373 km (0.104 R)
• M7: 1,193,641 km (0.091 R)
• M8: 1,923,230 km (0.109 R)
• M9: 2,321,011 km (0.103 R)
• M10: 2,550,195 km (0.06 R)
• M11: 4,132,940 km (0.097 R)
• M12: 4,375,887 km (0.11 R)
• M13: 4,692,885 km (0.091 R)
• M14: 5,127,467 km (0.113 R)
• M15: 5,810,232 km (0.083 R)
• M16: 6,193,053 km (0.029 R)
• M17: 8,172,232 km (0.091 R)
• M18: 10,817,721 km (0.07 R)
• M19: 12,055,494 km (0.105 R)
• M20: 13,915,295 km (0.051 R)
• M21: 17,089,014 km (0.091 R)
• M22: 21,602,681 km (0.116 R)
• M23: 26,954,694 km (0.114 R)
• M24: 29,321,631 km (0.093 R)
• M25: 33,608,658 km (0.088 R)
• M26: 42,399,627 km (0.057 R)
• M27: 44,851,087 km (0.102 R)
• M28: 45,887,352 km (0.051 R)
• M29: 47,547,888 km (0.104 R)
• M30: 49,876,229 km (0.041 R)
• M31: 54,926,653 km (0.061 R)
• M32: 55,094,951 km (0.102 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 12,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit