🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.9

Radius: 11.7

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.59 AU - 0.73 AU

Year: 370 Days

Day: 10.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 138.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,963,927 km

• M1: 146,606 km (0.104 R)
• M2: 408,851 km (0.077 R)
• M3: 709,692 km (0.081 R)
• M4: 1,050,775 km (0.056 R)
• M5: 1,277,566 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.3

Radius: 10.9

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.58 AU - 0.9 AU

Year: 439 Days

Day: 12.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,963,927 km

• M1: 135,536 km (0.097 R)
• M2: 342,430 km (0.113 R)
• M3: 592,557 km (0.117 R)
• M4: 847,622 km (0.114 R)
• M5: 1,213,837 km (0.109 R)
• M6: 1,673,851 km (0.108 R)
• M7: 1,892,263 km (0.098 R)
• M8: 2,104,543 km (0.078 R)
• M9: 2,603,601 km (0.096 R)
• M10: 3,074,984 km (0.115 R)
• M11: 3,382,857 km (0.096 R)
• M12: 3,623,859 km (0.077 R)
• M13: 4,006,231 km (0.115 R)
• M14: 4,388,454 km (0.083 R)
• M15: 4,622,275 km (0.088 R)
• M16: 5,141,230 km (0.068 R)
• M17: 5,439,379 km (0.055 R)
• M18: 5,780,761 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.2

Radius: 14.2

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.87 AU - 4.17 AU

Year: 4559 Days

Day: 14 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,963,927 km

• M1: 176,675 km (0.113 R)
• M2: 609,312 km (0.113 R)
• M3: 2,553,336 km (0.063 R)
• M4: 3,409,485 km (0.107 R)
• M5: 4,232,573 km (0.037 R)
• M6: 5,014,371 km (0.071 R)
• M7: 6,749,706 km (0.083 R)
• M8: 7,064,759 km (0.113 R)
• M9: 9,069,670 km (0.078 R)
• M10: 9,662,676 km (0.082 R)
• M11: 10,403,934 km (0.104 R)
• M12: 10,774,039 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.5

Radius: 13.1

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.77 AU - 5.59 AU

Year: 6988 Days

Day: 14.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,963,927 km

• M1: 163,660 km (0.082 R)
• M2: 409,300 km (0.083 R)
• M3: 1,075,459 km (0.108 R)
• M4: 1,353,711 km (0.087 R)
• M5: 2,279,872 km (0.106 R)
• M6: 2,715,800 km (0.09 R)
• M7: 4,295,553 km (0.087 R)
• M8: 8,028,619 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735.4

Radius: 4.2

Gravity: 41.69 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.62 AU - 7.42 AU

Year: 11492 Days

Day: 16.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,963,927 km

• M1: 634,145 km (0.116 R)
• M2: 839,842 km (0.101 R)
• M3: 1,662,332 km (0.112 R)
• M4: 2,898,010 km (0.076 R)
• M5: 8,150,840 km (0.12 R)
• M6: 8,745,791 km (0.036 R)
• M7: 9,228,094 km (0.08 R)
• M8: 9,998,972 km (0.057 R)
• M9: 10,184,922 km (0.056 R)
• M10: 10,372,518 km (0.114 R)
• M11: 10,561,909 km (0.028 R)
• M12: 11,484,928 km (0.057 R)
• M13: 11,734,158 km (0.091 R)
• M14: 15,972,265 km (0.098 R)
• M15: 16,562,878 km (0.059 R)
• M16: 20,135,125 km (0.105 R)
• M17: 20,998,904 km (0.107 R)
• M18: 33,541,039 km (0.118 R)
• M19: 35,086,385 km (0.118 R)
• M20: 44,209,462 km (0.11 R)
• M21: 46,180,414 km (0.116 R)
• M22: 46,780,152 km (0.078 R)
• M23: 47,484,758 km (0.078 R)
• M24: 48,398,352 km (0.085 R)
• M25: 53,525,370 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.7

Radius: 6

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.25 AU - 8.11 AU

Year: 11917 Days

Day: 15.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 76,963,927 km

• M1: 142,567 km (0.073 R)
• M2: 257,757 km (0.106 R)
• M3: 539,899 km (0.055 R)
• M4: 889,659 km (0.1 R)
• M5: 1,162,974 km (0.087 R)
• M6: 1,475,633 km (0.106 R)
• M7: 1,917,546 km (0.116 R)
• M8: 2,298,571 km (0.05 R)
• M9: 3,144,547 km (0.07 R)
• M10: 3,530,959 km (0.115 R)
• M11: 3,707,185 km (0.116 R)
• M12: 3,861,719 km (0.112 R)
• M13: 4,180,512 km (0.089 R)
• M14: 4,856,695 km (0.116 R)
• M15: 5,244,453 km (0.115 R)
• M16: 5,870,520 km (0.041 R)
• M17: 6,464,573 km (0.1 R)
• M18: 7,410,031 km (0.11 R)
• M19: 7,702,794 km (0.112 R)
• M20: 8,343,672 km (0.107 R)
• M21: 9,171,097 km (0.071 R)
• M22: 9,911,607 km (0.047 R)
• M23: 10,037,868 km (0.057 R)
• M24: 12,213,918 km (0.065 R)
• M25: 15,484,277 km (0.082 R)
• M26: 18,107,476 km (0.071 R)
• M27: 19,085,996 km (0.043 R)
• M28: 22,176,538 km (0.092 R)
• M29: 23,387,383 km (0.117 R)
• M30: 23,711,263 km (0.105 R)
• M31: 25,499,555 km (0.117 R)
• M32: 29,416,477 km (0.083 R)
• M33: 29,706,996 km (0.083 R)
• M34: 31,555,128 km (0.111 R)
• M35: 32,462,140 km (0.104 R)
• M36: 33,846,668 km (0.088 R)
• M37: 36,379,809 km (0.086 R)
• M38: 39,843,298 km (0.115 R)
• M39: 42,066,622 km (0.043 R)
• M40: 43,025,395 km (0.087 R)
• M41: 44,083,650 km (0.051 R)
• M42: 44,439,244 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.1

Radius: 6.8

Gravity: 14.1 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 8.03 AU - 11.37 AU

Year: 20853 Days

Day: 16.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 76,963,927 km

• M1: 85,869 km (0.066 R)
• M2: 240,254 km (0.114 R)
• M3: 461,210 km (0.082 R)
• M4: 693,536 km (0.1 R)
• M5: 981,212 km (0.094 R)
• M6: 1,485,656 km (0.114 R)
• M7: 1,837,511 km (0.108 R)
• M8: 2,228,709 km (0.084 R)
• M9: 3,605,309 km (0.105 R)
• M10: 5,361,887 km (0.041 R)
• M11: 6,026,101 km (0.075 R)
• M12: 6,329,037 km (0.107 R)
• M13: 6,639,602 km (0.069 R)
• M14: 8,660,969 km (0.117 R)
• M15: 9,182,168 km (0.074 R)
• M16: 11,244,524 km (0.072 R)
• M17: 11,658,312 km (0.047 R)
• M18: 14,498,577 km (0.097 R)
• M19: 16,636,330 km (0.111 R)
• M20: 23,340,559 km (0.116 R)
• M21: 24,452,969 km (0.103 R)
• M22: 24,626,353 km (0.074 R)
• M23: 24,975,065 km (0.086 R)
• M24: 26,394,600 km (0.078 R)
• M25: 27,485,018 km (0.062 R)
• M26: 33,980,408 km (0.116 R)
• M27: 41,616,781 km (0.035 R)
• M28: 45,076,232 km (0.092 R)
• M29: 46,022,139 km (0.118 R)
• M30: 46,618,436 km (0.091 R)
• M31: 53,558,431 km (0.039 R)
• M32: 53,686,786 km (0.101 R)
• M33: 54,072,599 km (0.111 R)
• M34: 54,589,310 km (0.1 R)
• M35: 56,022,607 km (0.119 R)
• M36: 58,542,434 km (0.101 R)
• M37: 60,162,429 km (0.081 R)
• M38: 62,495,258 km (0.08 R)
• M39: 70,789,114 km (0.092 R)
• M40: 71,232,073 km (0.096 R)
• M41: 76,963,916 km (0.112 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 11,690 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit