🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.9

Radius: 9

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.55 AU - 0.85 AU

Year: 372 Days

Day: 7.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,451,499 km

• M1: 111,899 km (0.107 R)
• M2: 762,201 km (0.097 R)
• M3: 1,044,193 km (0.096 R)
• M4: 1,447,958 km (0.086 R)
• M5: 2,360,505 km (0.051 R)
• M6: 2,989,414 km (0.096 R)
• M7: 3,483,536 km (0.09 R)
• M8: 3,813,250 km (0.09 R)
• M9: 4,163,608 km (0.079 R)
• M10: 4,664,312 km (0.057 R)
• M11: 5,298,757 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.9

Radius: 14.1

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.65 AU - 0.85 AU

Year: 413 Days

Day: 12.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,451,499 km

• M1: 176,226 km (0.072 R)
• M2: 723,156 km (0.11 R)
• M3: 1,174,493 km (0.064 R)
• M4: 1,955,693 km (0.052 R)
• M5: 2,461,184 km (0.06 R)
• M6: 3,380,912 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.5

Radius: 12

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.64 AU - 1.04 AU

Year: 489 Days

Day: 5.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,451,499 km

• M1: 149,299 km (0.114 R)
• M2: 524,490 km (0.078 R)
• M3: 1,027,438 km (0.059 R)
• M4: 1,403,378 km (0.096 R)
• M5: 1,995,636 km (0.109 R)
• M6: 2,404,337 km (0.114 R)
• M7: 2,799,275 km (0.114 R)
• M8: 3,382,707 km (0.077 R)
• M9: 3,770,764 km (0.067 R)
• M10: 4,512,171 km (0.075 R)
• M11: 5,013,922 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.2

Radius: 10.5

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.86 AU - 2.3 AU

Year: 1907 Days

Day: 11.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,451,499 km

• M1: 131,945 km (0.096 R)
• M2: 558,299 km (0.086 R)
• M3: 910,303 km (0.103 R)
• M4: 1,586,785 km (0.099 R)
• M5: 1,932,804 km (0.102 R)
• M6: 2,922,095 km (0.116 R)
• M7: 3,390,337 km (0.119 R)
• M8: 4,004,885 km (0.069 R)
• M9: 4,801,792 km (0.073 R)
• M10: 5,476,329 km (0.09 R)
• M11: 5,889,519 km (0.11 R)
• M12: 6,323,352 km (0.102 R)
• M13: 6,778,579 km (0.053 R)
• M14: 7,780,286 km (0.112 R)
• M15: 9,333,262 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.7

Radius: 11.7

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.97 AU - 3.21 AU

Year: 3454 Days

Day: 13.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,451,499 km

• M1: 145,559 km (0.036 R)
• M2: 522,097 km (0.084 R)
• M3: 972,087 km (0.118 R)
• M4: 1,597,556 km (0.05 R)
• M5: 2,319,066 km (0.087 R)
• M6: 3,140,658 km (0.116 R)
• M7: 3,979,303 km (0.055 R)
• M8: 4,429,443 km (0.113 R)
• M9: 5,381,783 km (0.103 R)
• M10: 5,852,867 km (0.105 R)
• M11: 8,634,789 km (0.114 R)
• M12: 9,392,951 km (0.094 R)
• M13: 9,807,636 km (0.08 R)
• M14: 11,461,740 km (0.065 R)
• M15: 12,332,998 km (0.102 R)
• M16: 13,107,765 km (0.096 R)
• M17: 14,207,310 km (0.115 R)
• M18: 15,523,173 km (0.071 R)
• M19: 17,029,474 km (0.09 R)
• M20: 17,477,220 km (0.11 R)
• M21: 18,337,857 km (0.096 R)
• M22: 19,347,193 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.8

Radius: 14.8

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.02 AU - 4.22 AU

Year: 4379 Days

Day: 5.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,451,499 km

• M1: 184,005 km (0.109 R)
• M2: 1,367,624 km (0.088 R)
• M3: 2,051,136 km (0.057 R)
• M4: 2,648,182 km (0.068 R)
• M5: 3,291,004 km (0.045 R)
• M6: 4,240,202 km (0.069 R)
• M7: 4,847,719 km (0.089 R)
• M8: 5,587,780 km (0.069 R)
• M9: 6,347,587 km (0.108 R)
• M10: 6,910,973 km (0.109 R)
• M11: 7,724,486 km (0.056 R)
• M12: 9,579,649 km (0.11 R)
• M13: 10,437,743 km (0.074 R)
• M14: 10,945,179 km (0.112 R)
• M15: 12,350,800 km (0.059 R)
• M16: 15,318,672 km (0.116 R)
• M17: 19,077,917 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.8

Radius: 11.4

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.69 AU - 3.99 AU

Year: 4784 Days

Day: 5.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 179.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,451,499 km

• M1: 141,819 km (0.066 R)
• M2: 702,063 km (0.12 R)
• M3: 1,192,893 km (0.11 R)
• M4: 1,855,163 km (0.092 R)
• M5: 2,707,422 km (0.118 R)
• M6: 4,114,839 km (0.089 R)
• M7: 4,603,575 km (0.117 R)
• M8: 5,330,471 km (0.092 R)
• M9: 6,256,632 km (0.081 R)
• M10: 7,568,605 km (0.094 R)
• M11: 7,975,212 km (0.116 R)
• M12: 9,382,180 km (0.119 R)
• M13: 9,954,691 km (0.095 R)
• M14: 10,802,313 km (0.099 R)
• M15: 11,812,846 km (0.063 R)
• M16: 14,770,396 km (0.09 R)
• M17: 15,131,825 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722

Radius: 12.1

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.48 AU - 5.28 AU

Year: 5828 Days

Day: 11.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,451,499 km

• M1: 150,495 km (0.057 R)
• M2: 536,458 km (0.116 R)
• M3: 1,302,997 km (0.118 R)
• M4: 3,096,526 km (0.118 R)
• M5: 3,828,210 km (0.079 R)
• M6: 5,053,865 km (0.107 R)
• M7: 7,654,325 km (0.109 R)
• M8: 8,663,961 km (0.119 R)
• M9: 10,115,658 km (0.107 R)
• M10: 10,899,701 km (0.104 R)
• M11: 12,278,694 km (0.055 R)
• M12: 13,660,380 km (0.12 R)
• M13: 16,479,851 km (0.036 R)
• M14: 28,027,011 km (0.095 R)
• M15: 28,838,131 km (0.095 R)
• M16: 32,930,530 km (0.071 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.2

Radius: 9.8

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.58 AU - 6.36 AU

Year: 9275 Days

Day: 6.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 22,451,499 km

• M1: 121,922 km (0.086 R)
• M2: 447,746 km (0.045 R)
• M3: 948,151 km (0.108 R)
• M4: 1,324,689 km (0.088 R)
• M5: 2,004,163 km (0.057 R)
• M6: 3,204,087 km (0.058 R)
• M7: 4,398,776 km (0.091 R)
• M8: 4,856,545 km (0.027 R)
• M9: 5,496,226 km (0.085 R)
• M10: 5,931,705 km (0.086 R)
• M11: 7,602,564 km (0.062 R)
• M12: 8,711,234 km (0.118 R)
• M13: 9,089,417 km (0.105 R)
• M14: 9,969,501 km (0.113 R)
• M15: 11,197,101 km (0.09 R)
• M16: 11,796,540 km (0.107 R)
• M17: 12,522,688 km (0.106 R)
• M18: 13,499,861 km (0.077 R)
• M19: 14,410,464 km (0.092 R)
• M20: 15,544,266 km (0.095 R)
• M21: 16,101,668 km (0.096 R)
• M22: 16,800,888 km (0.094 R)
• M23: 18,950,609 km (0.081 R)
• M24: 19,302,314 km (0.109 R)
• M25: 20,018,738 km (0.1 R)
• M26: 20,678,764 km (0.094 R)
• M27: 22,197,033 km (0.098 R)
• M28: 23,143,090 km (0.106 R)
• M29: 24,280,333 km (0.109 R)
• M30: 26,316,061 km (0.087 R)
• M31: 28,463,089 km (0.026 R)
• M32: 32,097,420 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39.2

Radius: 3.2

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.53 AU - 8.73 AU

Year: 13400 Days

Day: 22 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,451,499 km

• M1: 43,084 km (0.114 R)
• M2: 146,008 km (0.108 R)
• M3: 327,021 km (0.103 R)
• M4: 537,056 km (0.114 R)
• M5: 1,085,482 km (0.075 R)
• M6: 1,410,558 km (0.115 R)
• M7: 2,351,828 km (0.116 R)
• M8: 2,487,513 km (0.077 R)
• M9: 3,320,026 km (0.1 R)
• M10: 6,871,329 km (0.057 R)
• M11: 7,306,659 km (0.113 R)
• M12: 7,595,981 km (0.111 R)
• M13: 10,553,083 km (0.091 R)
• M14: 16,872,994 km (0.094 R)
• M15: 17,892,953 km (0.066 R)
• M16: 18,066,785 km (0.094 R)
• M17: 19,868,243 km (0.038 R)
• M18: 19,992,409 km (0.094 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: 281 - 14,640 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit