🌌 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: 715.4

Radius: 9.7

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.6 AU - 0.76 AU

Year: 374 Days

Day: 14 Hours

Environment

Temp: -156 °C

Axial Tilt: 81.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,076,704 km

• M1: 120,725 km (0.067 R)
• M2: 443,408 km (0.086 R)
• M3: 825,930 km (0.091 R)
• M4: 1,152,801 km (0.112 R)
• M5: 1,469,350 km (0.098 R)
• M6: 1,867,430 km (0.068 R)
• M7: 2,372,921 km (0.093 R)
• M8: 3,084,858 km (0.111 R)
• M9: 3,467,529 km (0.088 R)
• M10: 3,881,915 km (0.119 R)
• M11: 4,207,590 km (0.107 R)
• M12: 4,565,428 km (0.09 R)
• M13: 5,110,114 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.9

Radius: 8.3

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.71 AU - 0.83 AU

Year: 451 Days

Day: 6 Hours

Environment

Temp: -162 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 67,076,704 km

• M1: 103,372 km (0.072 R)
• M2: 411,095 km (0.114 R)
• M3: 962,064 km (0.104 R)
• M4: 1,400,236 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.5

Radius: 8.2

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.43 AU - 2.53 AU

Year: 2604 Days

Day: 10.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,076,704 km

• M1: 102,624 km (0.101 R)
• M2: 416,929 km (0.117 R)
• M3: 712,834 km (0.075 R)
• M4: 1,270,834 km (0.081 R)
• M5: 1,563,447 km (0.114 R)
• M6: 2,274,037 km (0.069 R)
• M7: 3,584,215 km (0.088 R)
• M8: 4,613,150 km (0.102 R)
• M9: 5,266,294 km (0.076 R)
• M10: 5,676,940 km (0.087 R)
• M11: 6,005,307 km (0.036 R)
• M12: 6,952,860 km (0.079 R)
• M13: 8,217,561 km (0.059 R)
• M14: 9,039,451 km (0.082 R)
• M15: 11,234,351 km (0.084 R)
• M16: 11,793,548 km (0.079 R)
• M17: 14,217,482 km (0.107 R)
• M18: 16,190,080 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.8

Radius: 14

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.45 AU - 5.09 AU

Year: 5884 Days

Day: 13.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,076,704 km

• M1: 174,132 km (0.088 R)
• M2: 653,443 km (0.092 R)
• M3: 1,657,844 km (0.051 R)
• M4: 2,542,117 km (0.118 R)
• M5: 3,414,571 km (0.083 R)
• M6: 4,108,107 km (0.075 R)
• M7: 5,653,154 km (0.071 R)
• M8: 6,516,932 km (0.109 R)
• M9: 7,679,756 km (0.097 R)
• M10: 8,150,092 km (0.086 R)
• M11: 8,807,126 km (0.088 R)
• M12: 12,211,674 km (0.116 R)
• M13: 16,877,931 km (0.077 R)
• M14: 18,554,325 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474

Radius: 9.1

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.75 AU - 6.13 AU

Year: 8461 Days

Day: 6.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,076,704 km

• M1: 119,828 km (0.1 R)
• M2: 415,732 km (0.101 R)
• M3: 1,196,633 km (0.102 R)
• M4: 1,762,413 km (0.116 R)
• M5: 2,700,242 km (0.091 R)
• M6: 3,077,827 km (0.068 R)
• M7: 3,378,369 km (0.099 R)
• M8: 3,890,592 km (0.107 R)
• M9: 4,954,233 km (0.109 R)
• M10: 5,584,937 km (0.051 R)
• M11: 6,001,567 km (0.075 R)
• M12: 7,042,619 km (0.099 R)
• M13: 8,038,342 km (0.098 R)
• M14: 11,537,137 km (0.062 R)
• M15: 12,917,327 km (0.05 R)
• M16: 16,516,652 km (0.117 R)
• M17: 16,909,795 km (0.09 R)
• M18: 17,783,148 km (0.064 R)
• M19: 18,335,313 km (0.106 R)
• M20: 19,839,071 km (0.101 R)
• M21: 20,734,414 km (0.05 R)
• M22: 24,756,952 km (0.116 R)
• M23: 26,235,278 km (0.105 R)
• M24: 27,313,430 km (0.12 R)
• M25: 32,125,993 km (0.057 R)
• M26: 33,463,996 km (0.092 R)
• M27: 37,138,419 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972

Radius: 7.8

Gravity: 15.98 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.83 AU - 5.95 AU

Year: 9532 Days

Day: 18 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,076,704 km

• M1: 96,939 km (0.119 R)
• M2: 489,035 km (0.102 R)
• M3: 755,768 km (0.062 R)
• M4: 1,289,833 km (0.107 R)
• M5: 2,090,032 km (0.093 R)
• M6: 2,387,582 km (0.095 R)
• M7: 2,821,117 km (0.094 R)
• M8: 4,383,367 km (0.114 R)
• M9: 5,642,682 km (0.104 R)
• M10: 7,127,291 km (0.11 R)
• M11: 7,503,829 km (0.11 R)
• M12: 7,981,944 km (0.113 R)
• M13: 8,760,751 km (0.076 R)
• M14: 11,288,805 km (0.086 R)
• M15: 11,685,688 km (0.115 R)
• M16: 12,688,592 km (0.114 R)
• M17: 14,200,727 km (0.097 R)
• M18: 14,596,713 km (0.12 R)
• M19: 15,410,825 km (0.117 R)
• M20: 22,866,035 km (0.073 R)
• M21: 23,319,017 km (0.06 R)
• M22: 24,713,718 km (0.077 R)
• M23: 25,094,893 km (0.072 R)
• M24: 26,360,790 km (0.097 R)
• M25: 26,959,182 km (0.056 R)
• M26: 28,494,804 km (0.108 R)
• M27: 30,631,810 km (0.085 R)
• M28: 36,192,063 km (0.09 R)
• M29: 39,080,050 km (0.099 R)
• M30: 39,338,256 km (0.104 R)
• M31: 42,935,786 km (0.101 R)
• M32: 50,624,069 km (0.11 R)
• M33: 51,703,418 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.8

Radius: 7.1

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.99 AU - 10.03 AU

Year: 19557 Days

Day: 18.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,076,704 km

• M1: 88,263 km (0.078 R)
• M2: 309,817 km (0.107 R)
• M3: 577,448 km (0.073 R)
• M4: 991,385 km (0.108 R)
• M5: 1,451,249 km (0.101 R)
• M6: 1,688,511 km (0.089 R)
• M7: 2,606,743 km (0.058 R)
• M8: 2,985,076 km (0.051 R)
• M9: 3,764,032 km (0.099 R)
• M10: 4,031,513 km (0.112 R)
• M11: 4,773,070 km (0.069 R)
• M12: 5,872,764 km (0.098 R)
• M13: 6,152,063 km (0.049 R)
• M14: 6,780,224 km (0.098 R)
• M15: 9,453,239 km (0.073 R)
• M16: 10,288,893 km (0.089 R)
• M17: 12,823,380 km (0.035 R)
• M18: 13,986,653 km (0.119 R)
• M19: 15,746,522 km (0.079 R)
• M20: 16,679,564 km (0.087 R)
• M21: 24,574,293 km (0.077 R)
• M22: 24,987,482 km (0.108 R)
• M23: 26,147,913 km (0.112 R)
• M24: 29,378,628 km (0.073 R)
• M25: 32,990,968 km (0.11 R)
• M26: 34,903,427 km (0.088 R)
• M27: 43,293,923 km (0.108 R)
• M28: 47,952,700 km (0.115 R)
• M29: 51,742,762 km (0.11 R)
• M30: 52,763,319 km (0.113 R)
• M31: 54,319,286 km (0.062 R)
• M32: 55,373,353 km (0.092 R)
• M33: 57,341,313 km (0.117 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 15,366 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit