🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

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: 84.8

Radius: 12.5

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.84 AU - 1 AU

Year: 570 Days

Day: 10.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,163,450 km

• M1: 156,330 km (0.102 R)
• M2: 591,061 km (0.11 R)
• M3: 1,029,533 km (0.104 R)
• M4: 1,514,828 km (0.114 R)
• M5: 2,075,222 km (0.119 R)
• M6: 2,893,223 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.5

Radius: 12.2

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.99 AU - 1.57 AU

Year: 935 Days

Day: 14.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,163,450 km

• M1: 151,692 km (0.082 R)
• M2: 560,394 km (0.068 R)
• M3: 944,112 km (0.09 R)
• M4: 1,358,049 km (0.05 R)
• M5: 1,773,782 km (0.083 R)
• M6: 2,242,771 km (0.104 R)
• M7: 2,669,724 km (0.08 R)
• M8: 3,055,836 km (0.052 R)
• M9: 4,206,243 km (0.058 R)
• M10: 4,918,030 km (0.116 R)
• M11: 5,463,015 km (0.116 R)
• M12: 5,919,289 km (0.086 R)
• M13: 6,311,385 km (0.057 R)
• M14: 8,323,326 km (0.096 R)
• M15: 9,593,562 km (0.092 R)
• M16: 10,228,904 km (0.045 R)
• M17: 10,859,758 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.2

Radius: 8.2

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.1 AU - 1.68 AU

Year: 1058 Days

Day: 6.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,163,450 km

• M1: 102,475 km (0.093 R)
• M2: 443,558 km (0.11 R)
• M3: 703,559 km (0.052 R)
• M4: 963,111 km (0.04 R)
• M5: 1,236,576 km (0.079 R)
• M6: 1,536,669 km (0.086 R)
• M7: 1,985,762 km (0.092 R)
• M8: 2,680,495 km (0.102 R)
• M9: 3,091,141 km (0.067 R)
• M10: 4,579,490 km (0.096 R)
• M11: 5,167,709 km (0.082 R)
• M12: 6,425,528 km (0.095 R)
• M13: 6,846,945 km (0.101 R)
• M14: 7,437,408 km (0.105 R)
• M15: 8,719,761 km (0.059 R)
• M16: 9,926,716 km (0.098 R)
• M17: 10,237,281 km (0.068 R)
• M18: 10,650,770 km (0.079 R)
• M19: 10,976,295 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.1

Radius: 10

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.33 AU - 1.91 AU

Year: 1331 Days

Day: 7.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,163,450 km

• M1: 125,363 km (0.106 R)
• M2: 548,426 km (0.118 R)
• M3: 913,893 km (0.047 R)
• M4: 1,729,052 km (0.093 R)
• M5: 2,537,928 km (0.052 R)
• M6: 3,327,655 km (0.074 R)
• M7: 3,696,264 km (0.102 R)
• M8: 4,651,147 km (0.101 R)
• M9: 5,921,682 km (0.092 R)
• M10: 6,812,687 km (0.101 R)
• M11: 8,013,958 km (0.08 R)
• M12: 8,386,008 km (0.044 R)
• M13: 9,103,030 km (0.117 R)
• M14: 11,429,277 km (0.064 R)
• M15: 12,461,951 km (0.087 R)
• M16: 13,079,342 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.5

Radius: 12.8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.33 AU - 3.61 AU

Year: 3305 Days

Day: 8.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,163,450 km

• M1: 159,172 km (0.119 R)
• M2: 727,494 km (0.1 R)
• M3: 1,441,375 km (0.088 R)
• M4: 2,382,346 km (0.108 R)
• M5: 2,909,080 km (0.057 R)
• M6: 3,613,088 km (0.107 R)
• M7: 4,605,071 km (0.098 R)
• M8: 5,274,073 km (0.115 R)
• M9: 6,398,301 km (0.069 R)
• M10: 7,314,588 km (0.03 R)
• M11: 7,847,456 km (0.112 R)
• M12: 9,278,060 km (0.085 R)
• M13: 12,257,451 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.8

Radius: 13.2

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.84 AU - 4 AU

Year: 4084 Days

Day: 11.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 51.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,163,450 km

• M1: 165,605 km (0.089 R)
• M2: 673,789 km (0.091 R)
• M3: 1,441,076 km (0.098 R)
• M4: 2,044,105 km (0.113 R)
• M5: 2,755,443 km (0.059 R)
• M6: 3,558,933 km (0.1 R)
• M7: 4,127,555 km (0.103 R)
• M8: 5,471,243 km (0.068 R)
• M9: 6,132,914 km (0.111 R)
• M10: 7,760,240 km (0.073 R)
• M11: 11,583,662 km (0.103 R)
• M12: 12,357,682 km (0.099 R)
• M13: 13,373,302 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.4

Radius: 11.6

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.86 AU - 5.88 AU

Year: 9183 Days

Day: 11.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,163,450 km

• M1: 144,212 km (0.094 R)
• M2: 613,800 km (0.117 R)
• M3: 997,519 km (0.098 R)
• M4: 1,750,145 km (0.063 R)
• M5: 2,581,012 km (0.104 R)
• M6: 3,269,761 km (0.108 R)
• M7: 3,681,903 km (0.117 R)
• M8: 4,695,877 km (0.073 R)
• M9: 5,192,542 km (0.118 R)
• M10: 5,691,750 km (0.107 R)
• M11: 6,087,137 km (0.077 R)
• M12: 10,230,250 km (0.071 R)
• M13: 13,104,175 km (0.113 R)
• M14: 15,253,448 km (0.109 R)
• M15: 16,411,934 km (0.107 R)
• M16: 19,415,709 km (0.108 R)
• M17: 21,716,824 km (0.12 R)
• M18: 22,686,218 km (0.103 R)
• M19: 24,885,307 km (0.061 R)
• M20: 33,594,446 km (0.088 R)
• M21: 35,000,067 km (0.098 R)
• M22: 37,010,513 km (0.062 R)
• M23: 40,289,100 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.7

Radius: 4

Gravity: 42.29 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.85 AU - 9.03 AU

Year: 13103 Days

Day: 23.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,163,450 km

• M1: 50,115 km (0.115 R)
• M2: 184,155 km (0.041 R)
• M3: 355,893 km (0.117 R)
• M4: 506,688 km (0.118 R)
• M5: 691,741 km (0.093 R)
• M6: 1,211,743 km (0.116 R)
• M7: 1,501,065 km (0.107 R)
• M8: 1,784,403 km (0.085 R)
• M9: 2,028,547 km (0.09 R)
• M10: 2,989,863 km (0.107 R)
• M11: 3,516,448 km (0.117 R)
• M12: 5,048,779 km (0.075 R)
• M13: 5,429,655 km (0.119 R)
• M14: 6,055,423 km (0.109 R)
• M15: 6,728,015 km (0.074 R)
• M16: 8,649,300 km (0.086 R)
• M17: 13,141,425 km (0.06 R)
• M18: 14,535,827 km (0.112 R)
• M19: 15,304,311 km (0.069 R)
• M20: 16,921,614 km (0.104 R)
• M21: 19,388,931 km (0.089 R)
• M22: 21,634,844 km (0.083 R)
• M23: 22,727,657 km (0.104 R)
• M24: 23,570,940 km (0.112 R)
• M25: 26,841,598 km (0.116 R)
• M26: 35,998,484 km (0.095 R)
• M27: 38,574,409 km (0.085 R)
• M28: 41,963,848 km (0.102 R)
• M29: 42,664,714 km (0.093 R)
• M30: 43,231,092 km (0.099 R)
• M31: 47,336,207 km (0.113 R)
• M32: 49,172,371 km (0.092 R)
• M33: 50,580,237 km (0.083 R)
• M34: 54,631,646 km (0.047 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 18,243 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit