🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.3

Radius: 13.4

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.69 AU - 0.91 AU

Year: 503 Days

Day: 14 Hours

Environment

Temp: -157 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,807,142 km

• M1: 166,652 km (0.107 R)
• M2: 602,131 km (0.107 R)
• M3: 1,341,145 km (0.111 R)
• M4: 1,935,198 km (0.058 R)
• M5: 2,386,684 km (0.058 R)
• M6: 2,931,669 km (0.079 R)
• M7: 3,431,925 km (0.075 R)
• M8: 4,087,612 km (0.066 R)
• M9: 4,970,688 km (0.045 R)
• M10: 6,335,171 km (0.112 R)
• M11: 6,868,637 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.8

Radius: 8.4

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.97 AU - 1.61 AU

Year: 1030 Days

Day: 13.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,807,142 km

• M1: 104,719 km (0.038 R)
• M2: 943,663 km (0.109 R)
• M3: 1,254,977 km (0.105 R)
• M4: 1,574,069 km (0.09 R)
• M5: 1,982,621 km (0.101 R)
• M6: 2,450,114 km (0.113 R)
• M7: 2,794,039 km (0.062 R)
• M8: 3,072,740 km (0.11 R)
• M9: 3,619,371 km (0.087 R)
• M10: 4,244,092 km (0.094 R)
• M11: 4,905,763 km (0.12 R)
• M12: 5,892,660 km (0.062 R)
• M13: 7,305,313 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.3

Radius: 10.5

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.12 AU - 1.56 AU

Year: 1090 Days

Day: 5.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,807,142 km

• M1: 130,599 km (0.066 R)
• M2: 568,771 km (0.118 R)
• M3: 1,441,375 km (0.103 R)
• M4: 2,333,278 km (0.113 R)
• M5: 2,809,149 km (0.072 R)
• M6: 4,278,649 km (0.107 R)
• M7: 5,351,864 km (0.106 R)
• M8: 5,962,672 km (0.105 R)
• M9: 6,479,533 km (0.1 R)
• M10: 7,124,449 km (0.086 R)
• M11: 7,759,043 km (0.06 R)
• M12: 8,909,750 km (0.069 R)
• M13: 9,376,795 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.4

Radius: 13.9

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.68 AU - 4.02 AU

Year: 4310 Days

Day: 5.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,807,142 km

• M1: 172,935 km (0.064 R)
• M2: 846,425 km (0.051 R)
• M3: 1,452,595 km (0.081 R)
• M4: 1,938,788 km (0.118 R)
• M5: 2,634,419 km (0.115 R)
• M6: 3,616,678 km (0.096 R)
• M7: 5,997,528 km (0.036 R)
• M8: 10,762,968 km (0.088 R)
• M9: 11,398,161 km (0.083 R)
• M10: 12,793,760 km (0.067 R)
• M11: 14,300,509 km (0.08 R)
• M12: 14,846,691 km (0.032 R)
• M13: 15,463,483 km (0.117 R)
• M14: 16,688,540 km (0.066 R)
• M15: 21,953,039 km (0.11 R)
• M16: 24,960,106 km (0.083 R)
• M17: 25,433,732 km (0.082 R)
• M18: 28,402,801 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398

Radius: 13.8

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.4 AU - 3.5 AU

Year: 4504 Days

Day: 12.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,807,142 km

• M1: 171,888 km (0.067 R)
• M2: 929,003 km (0.108 R)
• M3: 1,513,482 km (0.063 R)
• M4: 2,311,885 km (0.11 R)
• M5: 3,490,118 km (0.067 R)
• M6: 4,268,925 km (0.11 R)
• M7: 5,287,088 km (0.1 R)
• M8: 6,033,432 km (0.11 R)
• M9: 10,133,161 km (0.071 R)
• M10: 15,482,482 km (0.067 R)
• M11: 20,620,720 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.3

Radius: 5.3

Gravity: 31.94 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.1 AU - 11.44 AU

Year: 19839 Days

Day: 22.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 82,807,142 km

• M1: 65,973 km (0.098 R)
• M2: 312,959 km (0.109 R)
• M3: 524,789 km (0.117 R)
• M4: 768,335 km (0.115 R)
• M5: 1,126,023 km (0.114 R)
• M6: 1,805,497 km (0.076 R)
• M7: 2,147,178 km (0.119 R)
• M8: 2,751,853 km (0.054 R)
• M9: 3,799,038 km (0.093 R)
• M10: 4,223,148 km (0.083 R)
• M11: 4,534,760 km (0.1 R)
• M12: 6,690,466 km (0.069 R)
• M13: 7,210,617 km (0.055 R)
• M14: 7,911,334 km (0.063 R)
• M15: 12,107,404 km (0.07 R)
• M16: 21,251,574 km (0.087 R)
• M17: 24,398,366 km (0.089 R)
• M18: 26,777,121 km (0.098 R)
• M19: 28,812,550 km (0.097 R)
• M20: 29,555,004 km (0.12 R)
• M21: 32,253,600 km (0.119 R)
• M22: 36,101,407 km (0.114 R)
• M23: 36,674,816 km (0.1 R)
• M24: 39,180,131 km (0.075 R)
• M25: 41,797,196 km (0.093 R)
• M26: 43,713,096 km (0.099 R)
• M27: 45,022,377 km (0.115 R)
• M28: 45,853,842 km (0.117 R)
• M29: 46,357,687 km (0.084 R)
• M30: 46,695,629 km (0.076 R)
• M31: 48,757,536 km (0.118 R)
• M32: 51,058,950 km (0.084 R)
• M33: 59,384,520 km (0.116 R)
• M34: 61,598,718 km (0.039 R)
• M35: 69,229,107 km (0.081 R)
• M36: 69,449,615 km (0.116 R)
• M37: 73,041,460 km (0.12 R)
• M38: 75,115,484 km (0.113 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 14,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit