🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.9

Radius: 13.8

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.72 AU - 0.76 AU

Year: 439 Days

Day: 13.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,264,700 km

• M1: 217,665 km (0.099 R)
• M2: 669,151 km (0.095 R)
• M3: 1,147,116 km (0.111 R)
• M4: 1,955,992 km (0.026 R)
• M5: 2,606,145 km (0.072 R)
• M6: 3,668,289 km (0.036 R)
• M7: 4,344,472 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.5

Radius: 12.7

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.78 AU - 0.8 AU

Year: 485 Days

Day: 13.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,264,700 km

• M1: 157,975 km (0.067 R)
• M2: 583,132 km (0.039 R)
• M3: 1,142,629 km (0.094 R)
• M4: 1,717,982 km (0.086 R)
• M5: 2,137,305 km (0.076 R)
• M6: 2,548,699 km (0.094 R)
• M7: 3,266,918 km (0.055 R)
• M8: 3,856,035 km (0.097 R)
• M9: 4,250,973 km (0.073 R)
• M10: 4,805,084 km (0.106 R)
• M11: 5,602,440 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.6

Radius: 12.3

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.73 AU - 1.01 AU

Year: 560 Days

Day: 12.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,264,700 km

• M1: 153,188 km (0.109 R)
• M2: 598,990 km (0.085 R)
• M3: 986,897 km (0.096 R)
• M4: 1,444,218 km (0.058 R)
• M5: 1,981,573 km (0.101 R)
• M6: 2,862,705 km (0.09 R)
• M7: 3,361,315 km (0.061 R)
• M8: 4,062,330 km (0.085 R)
• M9: 4,471,630 km (0.108 R)
• M10: 4,942,115 km (0.112 R)
• M11: 6,079,209 km (0.085 R)
• M12: 6,515,137 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.7

Radius: 8.1

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.59 AU - 2.17 AU

Year: 1779 Days

Day: 14 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,264,700 km

• M1: 101,128 km (0.086 R)
• M2: 400,025 km (0.084 R)
• M3: 694,134 km (0.12 R)
• M4: 1,080,246 km (0.09 R)
• M5: 1,435,990 km (0.079 R)
• M6: 2,455,200 km (0.079 R)
• M7: 3,602,466 km (0.044 R)
• M8: 5,405,121 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.5

Radius: 12.8

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.6 AU - 2.9 AU

Year: 3148 Days

Day: 6.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,264,700 km

• M1: 237,262 km (0.09 R)
• M2: 918,232 km (0.103 R)
• M3: 1,581,100 km (0.118 R)
• M4: 2,036,027 km (0.097 R)
• M5: 2,987,619 km (0.078 R)
• M6: 4,172,883 km (0.071 R)
• M7: 4,646,809 km (0.111 R)
• M8: 5,056,707 km (0.114 R)
• M9: 5,676,940 km (0.068 R)
• M10: 7,581,470 km (0.046 R)
• M11: 8,607,861 km (0.093 R)
• M12: 14,452,201 km (0.099 R)
• M13: 15,278,580 km (0.104 R)
• M14: 20,913,633 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.1

Radius: 11.4

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.63 AU - 3.33 AU

Year: 3551 Days

Day: 12.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,264,700 km

• M1: 141,819 km (0.102 R)
• M2: 1,078,301 km (0.084 R)
• M3: 1,538,465 km (0.078 R)
• M4: 1,923,529 km (0.084 R)
• M5: 2,447,122 km (0.102 R)
• M6: 2,978,344 km (0.11 R)
• M7: 3,699,705 km (0.086 R)
• M8: 4,496,314 km (0.09 R)
• M9: 6,356,862 km (0.094 R)
• M10: 8,076,490 km (0.083 R)
• M11: 8,565,675 km (0.119 R)
• M12: 10,689,217 km (0.105 R)
• M13: 11,818,381 km (0.115 R)
• M14: 12,986,591 km (0.038 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.5

Radius: 8.1

Gravity: 13.48 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.23 AU - 3.97 AU

Year: 4715 Days

Day: 12.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 31,264,700 km

• M1: 100,829 km (0.119 R)
• M2: 635,791 km (0.094 R)
• M3: 1,039,705 km (0.067 R)
• M4: 1,620,743 km (0.082 R)
• M5: 1,899,295 km (0.097 R)
• M6: 2,452,507 km (0.117 R)
• M7: 2,840,864 km (0.031 R)
• M8: 3,290,256 km (0.095 R)
• M9: 3,854,389 km (0.088 R)
• M10: 4,819,595 km (0.114 R)
• M11: 5,119,090 km (0.086 R)
• M12: 5,635,801 km (0.104 R)
• M13: 7,396,418 km (0.094 R)
• M14: 8,170,886 km (0.077 R)
• M15: 9,286,138 km (0.096 R)
• M16: 10,054,772 km (0.116 R)
• M17: 14,155,998 km (0.09 R)
• M18: 15,758,640 km (0.096 R)
• M19: 19,939,003 km (0.087 R)
• M20: 21,506,339 km (0.116 R)
• M21: 22,848,382 km (0.062 R)
• M22: 23,851,885 km (0.097 R)
• M23: 24,723,591 km (0.102 R)
• M24: 28,335,931 km (0.111 R)
• M25: 30,221,762 km (0.096 R)
• M26: 31,242,169 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.8

Radius: 11.1

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.05 AU - 5.25 AU

Year: 6921 Days

Day: 8.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,264,700 km

• M1: 138,079 km (0.075 R)
• M2: 573,708 km (0.06 R)
• M3: 1,186,910 km (0.086 R)
• M4: 1,664,127 km (0.103 R)
• M5: 2,717,894 km (0.046 R)
• M6: 4,667,902 km (0.077 R)
• M7: 5,149,159 km (0.099 R)
• M8: 7,343,161 km (0.114 R)
• M9: 9,583,838 km (0.09 R)
• M10: 10,452,553 km (0.058 R)
• M11: 11,804,469 km (0.098 R)
• M12: 12,197,163 km (0.051 R)
• M13: 15,137,659 km (0.108 R)
• M14: 16,015,200 km (0.107 R)
• M15: 16,375,581 km (0.068 R)
• M16: 16,926,251 km (0.117 R)
• M17: 22,603,191 km (0.09 R)
• M18: 22,980,926 km (0.055 R)
• M19: 25,826,726 km (0.106 R)
• M20: 28,810,904 km (0.109 R)
• M21: 30,248,839 km (0.109 R)
• M22: 31,078,359 km (0.119 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: 261 - 15,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit