🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.5

Radius: 12.2

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.11 AU - 1.45 AU

Year: 982 Days

Day: 14.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,483,443 km

• M1: 151,991 km (0.088 R)
• M2: 549,772 km (0.072 R)
• M3: 953,537 km (0.077 R)
• M4: 1,954,197 km (0.106 R)
• M5: 2,418,998 km (0.054 R)
• M6: 3,093,983 km (0.061 R)
• M7: 3,858,727 km (0.069 R)
• M8: 4,745,843 km (0.037 R)
• M9: 5,512,233 km (0.104 R)
• M10: 5,914,501 km (0.103 R)
• M11: 6,590,085 km (0.06 R)
• M12: 7,068,649 km (0.092 R)
• M13: 8,176,421 km (0.119 R)
• M14: 8,561,187 km (0.117 R)
• M15: 9,102,582 km (0.101 R)
• M16: 9,819,155 km (0.099 R)
• M17: 11,364,950 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.7

Radius: 13

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.26 AU - 3.02 AU

Year: 2909 Days

Day: 5.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,483,443 km

• M1: 161,715 km (0.12 R)
• M2: 785,239 km (0.063 R)
• M3: 2,734,499 km (0.098 R)
• M4: 3,339,024 km (0.044 R)
• M5: 3,790,511 km (0.082 R)
• M6: 4,390,698 km (0.088 R)
• M7: 4,911,298 km (0.084 R)
• M8: 6,580,511 km (0.091 R)
• M9: 7,450,722 km (0.117 R)
• M10: 8,127,503 km (0.037 R)
• M11: 13,501,058 km (0.12 R)
• M12: 17,439,372 km (0.093 R)
• M13: 19,639,956 km (0.047 R)
• M14: 20,310,155 km (0.109 R)
• M15: 21,439,768 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.6

Radius: 13.4

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.69 AU - 3.19 AU

Year: 3419 Days

Day: 5.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,483,443 km

• M1: 166,652 km (0.1 R)
• M2: 905,217 km (0.113 R)
• M3: 2,158,847 km (0.041 R)
• M4: 3,133,028 km (0.033 R)
• M5: 4,338,488 km (0.088 R)
• M6: 5,317,456 km (0.105 R)
• M7: 5,913,155 km (0.095 R)
• M8: 6,495,689 km (0.104 R)
• M9: 7,177,556 km (0.085 R)
• M10: 8,340,231 km (0.071 R)
• M11: 9,438,878 km (0.053 R)
• M12: 10,314,773 km (0.094 R)
• M13: 11,836,632 km (0.09 R)
• M14: 14,865,540 km (0.085 R)
• M15: 18,727,559 km (0.063 R)
• M16: 21,238,559 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.5

Radius: 9.1

Gravity: 11.14 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.78 AU - 3.23 AU

Year: 3524 Days

Day: 14.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 24,483,443 km

• M1: 137,929 km (0.118 R)
• M2: 458,817 km (0.106 R)
• M3: 774,618 km (0.071 R)
• M4: 1,146,817 km (0.088 R)
• M5: 1,499,868 km (0.095 R)
• M6: 2,493,497 km (0.038 R)
• M7: 2,808,700 km (0.114 R)
• M8: 3,225,928 km (0.05 R)
• M9: 3,520,038 km (0.107 R)
• M10: 3,810,707 km (0.074 R)
• M11: 4,208,188 km (0.07 R)
• M12: 5,765,053 km (0.068 R)
• M13: 6,974,552 km (0.114 R)
• M14: 8,381,819 km (0.081 R)
• M15: 9,133,100 km (0.118 R)
• M16: 9,525,196 km (0.1 R)
• M17: 10,343,197 km (0.08 R)
• M18: 11,520,831 km (0.108 R)
• M19: 12,354,091 km (0.112 R)
• M20: 13,326,478 km (0.085 R)
• M21: 13,678,631 km (0.051 R)
• M22: 14,192,350 km (0.076 R)
• M23: 14,933,159 km (0.113 R)
• M24: 21,816,007 km (0.081 R)
• M25: 23,598,017 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.6

Radius: 12.9

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.37 AU - 4.97 AU

Year: 5776 Days

Day: 14.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 24,483,443 km

• M1: 160,668 km (0.059 R)
• M2: 587,321 km (0.07 R)
• M3: 1,074,562 km (0.087 R)
• M4: 2,152,863 km (0.105 R)
• M5: 2,595,523 km (0.114 R)
• M6: 3,267,068 km (0.077 R)
• M7: 3,929,038 km (0.103 R)
• M8: 4,597,292 km (0.113 R)
• M9: 5,045,338 km (0.057 R)
• M10: 6,062,603 km (0.086 R)
• M11: 7,976,558 km (0.081 R)
• M12: 8,460,807 km (0.114 R)
• M13: 8,964,503 km (0.038 R)
• M14: 9,622,285 km (0.115 R)
• M15: 10,936,502 km (0.116 R)
• M16: 12,207,934 km (0.073 R)
• M17: 14,741,673 km (0.078 R)
• M18: 18,500,769 km (0.088 R)
• M19: 19,495,744 km (0.067 R)
• M20: 20,526,025 km (0.071 R)
• M21: 24,757,700 km (0.075 R)
• M22: 25,443,307 km (0.086 R)
• M23: 26,229,743 km (0.069 R)
• M24: 30,504,651 km (0.119 R)
• M25: 32,398,560 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.5

Radius: 3.2

Gravity: 58.25 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.53 AU - 7.69 AU

Year: 11526 Days

Day: 17.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 24,483,443 km

• M1: 39,943 km (0.106 R)
• M2: 166,203 km (0.035 R)
• M3: 300,093 km (0.037 R)
• M4: 485,744 km (0.028 R)
• M5: 779,255 km (0.087 R)
• M6: 2,525,212 km (0.102 R)
• M7: 4,121,571 km (0.104 R)
• M8: 4,965,752 km (0.094 R)
• M9: 5,193,589 km (0.056 R)
• M10: 7,782,380 km (0.059 R)
• M11: 11,340,416 km (0.095 R)
• M12: 12,853,000 km (0.106 R)
• M13: 18,264,554 km (0.118 R)
• M14: 18,495,533 km (0.076 R)
• M15: 20,580,029 km (0.095 R)
• M16: 25,782,894 km (0.105 R)
• M17: 26,268,638 km (0.117 R)
• M18: 28,893,034 km (0.066 R)
• M19: 29,734,372 km (0.07 R)
• M20: 32,921,255 km (0.115 R)
• M21: 33,838,889 km (0.09 R)
• M22: 37,804,280 km (0.091 R)
• M23: 46,213,026 km (0.07 R)
• M24: 46,355,743 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.6

Radius: 5.6

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.52 AU - 10.26 AU

Year: 16483 Days

Day: 20.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,483,443 km

• M1: 72,705 km (0.091 R)
• M2: 411,394 km (0.117 R)
• M3: 2,508,457 km (0.118 R)
• M4: 2,889,483 km (0.1 R)
• M5: 3,365,653 km (0.11 R)
• M6: 4,907,409 km (0.055 R)
• M7: 6,805,207 km (0.096 R)
• M8: 7,712,369 km (0.065 R)
• M9: 8,194,822 km (0.056 R)
• M10: 10,002,862 km (0.081 R)
• M11: 11,085,651 km (0.078 R)
• M12: 13,044,186 km (0.065 R)
• M13: 21,200,412 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 10,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit