🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.6

Radius: 9.1

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.58 AU - 0.78 AU

Year: 374 Days

Day: 14.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 33,667,515 km

• M1: 123,119 km (0.119 R)
• M2: 714,779 km (0.111 R)
• M3: 1,083,388 km (0.059 R)
• M4: 1,694,046 km (0.094 R)
• M5: 2,019,272 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.6

Radius: 12.7

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.61 AU - 0.79 AU

Year: 391 Days

Day: 13.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,667,515 km

• M1: 157,975 km (0.078 R)
• M2: 562,787 km (0.087 R)
• M3: 1,052,271 km (0.107 R)
• M4: 1,479,224 km (0.091 R)
• M5: 1,883,587 km (0.094 R)
• M6: 2,623,348 km (0.111 R)
• M7: 3,304,767 km (0.113 R)
• M8: 3,743,687 km (0.112 R)
• M9: 4,141,168 km (0.048 R)
• M10: 4,769,031 km (0.115 R)
• M11: 5,253,578 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.7

Radius: 12.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.73 AU - 0.77 AU

Year: 433 Days

Day: 12.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,667,515 km

• M1: 159,172 km (0.062 R)
• M2: 619,335 km (0.077 R)
• M3: 1,066,034 km (0.076 R)
• M4: 1,663,528 km (0.104 R)
• M5: 2,136,706 km (0.103 R)
• M6: 2,690,817 km (0.114 R)
• M7: 3,092,487 km (0.117 R)
• M8: 3,994,562 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.4

Radius: 8.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.88 AU - 2.58 AU

Year: 2221 Days

Day: 15 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,667,515 km

• M1: 106,962 km (0.075 R)
• M2: 549,922 km (0.104 R)
• M3: 829,969 km (0.094 R)
• M4: 1,959,732 km (0.102 R)
• M5: 2,653,866 km (0.037 R)
• M6: 3,387,644 km (0.053 R)
• M7: 4,037,946 km (0.086 R)
• M8: 5,252,232 km (0.052 R)
• M9: 6,807,750 km (0.073 R)
• M10: 8,019,044 km (0.068 R)
• M11: 8,729,933 km (0.075 R)
• M12: 9,888,868 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.9

Radius: 9.9

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.99 AU - 2.49 AU

Year: 2236 Days

Day: 6.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 152.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,667,515 km

• M1: 123,119 km (0.093 R)
• M2: 589,864 km (0.065 R)
• M3: 1,055,712 km (0.077 R)
• M4: 1,553,574 km (0.044 R)
• M5: 1,874,013 km (0.086 R)
• M6: 2,191,010 km (0.072 R)
• M7: 2,638,158 km (0.081 R)
• M8: 3,223,236 km (0.098 R)
• M9: 4,110,800 km (0.105 R)
• M10: 4,982,357 km (0.116 R)
• M11: 5,394,948 km (0.118 R)
• M12: 6,288,795 km (0.061 R)
• M13: 7,782,081 km (0.063 R)
• M14: 8,278,746 km (0.04 R)
• M15: 9,175,137 km (0.089 R)
• M16: 11,678,807 km (0.056 R)
• M17: 12,487,533 km (0.077 R)
• M18: 13,415,488 km (0.113 R)
• M19: 13,959,875 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.7

Radius: 9.1

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2 AU - 3.32 AU

Year: 2893 Days

Day: 5.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,667,515 km

• M1: 113,096 km (0.059 R)
• M2: 440,566 km (0.094 R)
• M3: 786,885 km (0.073 R)
• M4: 1,090,718 km (0.069 R)
• M5: 1,610,720 km (0.073 R)
• M6: 1,897,948 km (0.077 R)
• M7: 2,233,496 km (0.109 R)
• M8: 3,285,768 km (0.1 R)
• M9: 3,892,237 km (0.114 R)
• M10: 4,265,035 km (0.113 R)
• M11: 4,892,299 km (0.096 R)
• M12: 5,302,497 km (0.096 R)
• M13: 6,358,508 km (0.11 R)
• M14: 7,116,520 km (0.114 R)
• M15: 8,130,644 km (0.108 R)
• M16: 9,678,533 km (0.081 R)
• M17: 10,365,188 km (0.055 R)
• M18: 15,387,338 km (0.043 R)
• M19: 16,588,609 km (0.101 R)
• M20: 17,020,647 km (0.109 R)
• M21: 18,133,955 km (0.097 R)
• M22: 19,294,984 km (0.098 R)
• M23: 19,712,811 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.1

Radius: 12.6

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.46 AU - 4 AU

Year: 4804 Days

Day: 8.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 33,667,515 km

• M1: 157,377 km (0.089 R)
• M2: 549,623 km (0.053 R)
• M3: 954,734 km (0.1 R)
• M4: 1,397,992 km (0.092 R)
• M5: 1,800,859 km (0.107 R)
• M6: 2,219,733 km (0.083 R)
• M7: 2,963,235 km (0.075 R)
• M8: 3,730,672 km (0.099 R)
• M9: 4,446,647 km (0.106 R)
• M10: 5,111,610 km (0.071 R)
• M11: 5,660,634 km (0.099 R)
• M12: 6,508,555 km (0.105 R)
• M13: 6,945,979 km (0.102 R)
• M14: 7,367,246 km (0.069 R)
• M15: 8,896,885 km (0.116 R)
• M16: 9,310,373 km (0.118 R)
• M17: 9,736,727 km (0.119 R)
• M18: 10,400,642 km (0.106 R)
• M19: 10,953,556 km (0.064 R)
• M20: 12,730,480 km (0.076 R)
• M21: 15,212,757 km (0.096 R)
• M22: 17,611,858 km (0.12 R)
• M23: 18,398,145 km (0.065 R)
• M24: 20,395,276 km (0.087 R)
• M25: 23,225,817 km (0.075 R)
• M26: 24,091,839 km (0.052 R)
• M27: 24,654,028 km (0.111 R)
• M28: 26,733,738 km (0.089 R)
• M29: 30,861,742 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104

Radius: 12.7

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.93 AU - 4.25 AU

Year: 5516 Days

Day: 10.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,667,515 km

• M1: 157,975 km (0.111 R)
• M2: 1,063,790 km (0.1 R)
• M3: 1,503,309 km (0.052 R)
• M4: 2,652,071 km (0.091 R)
• M5: 3,414,422 km (0.087 R)
• M6: 4,141,019 km (0.113 R)
• M7: 4,990,585 km (0.098 R)
• M8: 7,261,032 km (0.12 R)
• M9: 7,998,250 km (0.063 R)
• M10: 9,450,845 km (0.1 R)
• M11: 10,512,542 km (0.06 R)
• M12: 12,788,673 km (0.075 R)
• M13: 13,644,822 km (0.096 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.2

Radius: 8.8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.4 AU - 5.12 AU

Year: 5863 Days

Day: 6.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,667,515 km

• M1: 109,506 km (0.076 R)
• M2: 387,010 km (0.101 R)
• M3: 1,080,097 km (0.068 R)
• M4: 1,608,476 km (0.116 R)
• M5: 1,978,731 km (0.092 R)
• M6: 2,330,136 km (0.048 R)
• M7: 2,997,343 km (0.075 R)
• M8: 4,354,495 km (0.062 R)
• M9: 4,755,866 km (0.038 R)
• M10: 6,226,413 km (0.064 R)
• M11: 6,644,689 km (0.086 R)
• M12: 7,081,514 km (0.086 R)
• M13: 7,705,038 km (0.112 R)
• M14: 13,627,468 km (0.041 R)
• M15: 16,598,183 km (0.115 R)
• M16: 17,055,204 km (0.091 R)
• M17: 18,294,623 km (0.051 R)
• M18: 19,466,872 km (0.11 R)
• M19: 20,039,233 km (0.092 R)
• M20: 21,018,202 km (0.093 R)
• M21: 23,856,223 km (0.095 R)
• M22: 24,733,016 km (0.093 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.7

Radius: 8.4

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.21 AU - 6.53 AU

Year: 8298 Days

Day: 11.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,667,515 km

• M1: 105,766 km (0.049 R)
• M2: 424,260 km (0.117 R)
• M3: 721,959 km (0.114 R)
• M4: 1,143,526 km (0.075 R)
• M5: 2,004,911 km (0.064 R)
• M6: 2,791,646 km (0.112 R)
• M7: 4,150,593 km (0.108 R)
• M8: 5,301,898 km (0.12 R)
• M9: 5,718,977 km (0.075 R)
• M10: 6,962,584 km (0.064 R)
• M11: 8,417,124 km (0.049 R)
• M12: 10,198,984 km (0.1 R)
• M13: 14,263,858 km (0.065 R)
• M14: 14,954,402 km (0.09 R)
• M15: 16,216,409 km (0.068 R)
• M16: 16,652,337 km (0.117 R)
• M17: 18,610,125 km (0.11 R)
• M18: 19,226,169 km (0.083 R)
• M19: 20,211,271 km (0.091 R)
• M20: 22,512,086 km (0.115 R)
• M21: 23,133,067 km (0.094 R)
• M22: 24,409,137 km (0.079 R)
• M23: 26,582,046 km (0.113 R)
• M24: 28,789,811 km (0.114 R)
• M25: 29,337,339 km (0.105 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 20,011 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit