🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.7

Radius: 11

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.65 AU - 0.89 AU

Year: 430 Days

Day: 10 Hours

Environment

Temp: -138 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,109,998 km

• M1: 136,882 km (0.092 R)
• M2: 494,271 km (0.06 R)
• M3: 836,850 km (0.119 R)
• M4: 1,293,722 km (0.035 R)
• M5: 1,660,686 km (0.111 R)
• M6: 2,042,759 km (0.098 R)
• M7: 2,571,438 km (0.115 R)
• M8: 2,997,193 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.2

Radius: 11.7

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.28 AU - 1.3 AU

Year: 932 Days

Day: 7.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,109,998 km

• M1: 145,559 km (0.093 R)
• M2: 752,178 km (0.09 R)
• M3: 1,166,714 km (0.114 R)
• M4: 1,660,237 km (0.113 R)
• M5: 2,038,869 km (0.09 R)
• M6: 2,838,320 km (0.031 R)
• M7: 3,414,571 km (0.087 R)
• M8: 4,020,592 km (0.118 R)
• M9: 4,855,498 km (0.041 R)
• M10: 6,026,550 km (0.083 R)
• M11: 6,689,718 km (0.076 R)
• M12: 7,119,811 km (0.117 R)
• M13: 8,086,064 km (0.103 R)
• M14: 9,082,984 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.3

Radius: 14.8

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.27 AU - 1.85 AU

Year: 1239 Days

Day: 11.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 128.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,109,998 km

• M1: 184,005 km (0.05 R)
• M2: 735,872 km (0.109 R)
• M3: 1,212,341 km (0.114 R)
• M4: 1,862,793 km (0.111 R)
• M5: 2,493,797 km (0.034 R)
• M6: 3,019,783 km (0.102 R)
• M7: 3,661,109 km (0.097 R)
• M8: 4,299,892 km (0.064 R)
• M9: 5,415,443 km (0.096 R)
• M10: 5,974,191 km (0.066 R)
• M11: 6,969,914 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.9

Radius: 10.9

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.61 AU - 2.19 AU

Year: 1665 Days

Day: 14.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 104.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,109,998 km

• M1: 135,536 km (0.106 R)
• M2: 545,135 km (0.05 R)
• M3: 1,116,449 km (0.051 R)
• M4: 1,741,319 km (0.109 R)
• M5: 3,617,725 km (0.109 R)
• M6: 4,226,589 km (0.085 R)
• M7: 5,033,071 km (0.063 R)
• M8: 5,392,405 km (0.055 R)
• M9: 6,366,586 km (0.029 R)
• M10: 6,977,693 km (0.072 R)
• M11: 8,194,523 km (0.088 R)
• M12: 9,925,370 km (0.114 R)
• M13: 10,277,523 km (0.119 R)
• M14: 11,044,212 km (0.116 R)
• M15: 13,275,614 km (0.047 R)
• M16: 14,768,451 km (0.115 R)
• M17: 15,508,362 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.4

Radius: 12.9

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.52 AU - 2.5 AU

Year: 1812 Days

Day: 14.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,109,998 km

• M1: 161,715 km (0.116 R)
• M2: 800,797 km (0.11 R)
• M3: 1,270,236 km (0.085 R)
• M4: 1,755,980 km (0.06 R)
• M5: 2,844,155 km (0.064 R)
• M6: 3,353,835 km (0.077 R)
• M7: 3,979,303 km (0.114 R)
• M8: 4,498,408 km (0.111 R)
• M9: 4,912,046 km (0.098 R)
• M10: 5,985,411 km (0.089 R)
• M11: 7,925,396 km (0.062 R)
• M12: 8,719,611 km (0.117 R)
• M13: 10,149,019 km (0.058 R)
• M14: 10,864,695 km (0.12 R)
• M15: 11,575,584 km (0.08 R)
• M16: 13,467,848 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.7

Radius: 10.7

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.95 AU - 2.33 AU

Year: 1990 Days

Day: 10.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,109,998 km

• M1: 133,292 km (0.112 R)
• M2: 628,610 km (0.118 R)
• M3: 1,316,162 km (0.032 R)
• M4: 2,659,701 km (0.102 R)
• M5: 3,710,476 km (0.071 R)
• M6: 4,823,783 km (0.119 R)
• M7: 5,923,477 km (0.042 R)
• M8: 6,825,403 km (0.087 R)
• M9: 7,408,984 km (0.116 R)
• M10: 8,238,654 km (0.119 R)
• M11: 8,933,087 km (0.082 R)
• M12: 9,734,633 km (0.113 R)
• M13: 10,547,099 km (0.065 R)
• M14: 11,025,961 km (0.091 R)
• M15: 13,004,393 km (0.075 R)
• M16: 13,469,643 km (0.116 R)
• M17: 14,932,111 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.2

Radius: 15

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.97 AU - 5.07 AU

Year: 6110 Days

Day: 12.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,109,998 km

• M1: 186,549 km (0.03 R)
• M2: 654,042 km (0.092 R)
• M3: 1,383,182 km (0.105 R)
• M4: 2,267,455 km (0.048 R)
• M5: 3,036,538 km (0.077 R)
• M6: 3,735,309 km (0.094 R)
• M7: 4,927,006 km (0.096 R)
• M8: 5,427,112 km (0.06 R)
• M9: 6,810,892 km (0.043 R)
• M10: 7,396,119 km (0.116 R)
• M11: 9,805,243 km (0.117 R)
• M12: 10,892,371 km (0.034 R)
• M13: 14,048,586 km (0.071 R)
• M14: 15,930,827 km (0.09 R)
• M15: 16,965,745 km (0.104 R)
• M16: 18,461,424 km (0.059 R)
• M17: 19,603,305 km (0.087 R)
• M18: 20,266,024 km (0.112 R)
• M19: 21,019,847 km (0.068 R)
• M20: 21,714,281 km (0.09 R)
• M21: 24,731,221 km (0.071 R)
• M22: 26,030,329 km (0.086 R)
• M23: 33,843,676 km (0.118 R)
• M24: 34,798,260 km (0.068 R)
• M25: 37,319,134 km (0.106 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: 357 - 18,729 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit