🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.7

Radius: 8.6

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.45 AU - 0.57 AU

Year: 247 Days

Day: 6.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,541,541 km

• M1: 106,962 km (0.088 R)
• M2: 387,159 km (0.119 R)
• M3: 682,465 km (0.109 R)
• M4: 1,118,244 km (0.109 R)
• M5: 1,474,287 km (0.092 R)
• M6: 1,899,444 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.6

Radius: 12.3

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.52 AU - 0.72 AU

Year: 331 Days

Day: 5.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,541,541 km

• M1: 153,637 km (0.116 R)
• M2: 557,102 km (0.072 R)
• M3: 985,401 km (0.06 R)
• M4: 1,434,494 km (0.119 R)
• M5: 1,990,998 km (0.083 R)
• M6: 2,433,808 km (0.084 R)
• M7: 3,106,400 km (0.116 R)
• M8: 3,912,134 km (0.098 R)
• M9: 4,614,496 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.9

Radius: 13.8

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.67 AU - 0.73 AU

Year: 397 Days

Day: 7.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,541,541 km

• M1: 171,589 km (0.047 R)
• M2: 633,248 km (0.106 R)
• M3: 1,667,867 km (0.085 R)
• M4: 2,406,132 km (0.108 R)
• M5: 3,089,046 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.7

Radius: 14.1

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.95 AU - 1.35 AU

Year: 836 Days

Day: 9.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,541,541 km

• M1: 175,478 km (0.103 R)
• M2: 721,062 km (0.095 R)
• M3: 1,250,788 km (0.118 R)
• M4: 2,367,087 km (0.106 R)
• M5: 3,761,938 km (0.086 R)
• M6: 5,593,315 km (0.076 R)
• M7: 6,117,356 km (0.08 R)
• M8: 7,041,871 km (0.114 R)
• M9: 7,889,642 km (0.087 R)
• M10: 8,450,335 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590

Radius: 12.6

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.01 AU - 2.31 AU

Year: 2153 Days

Day: 12.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,541,541 km

• M1: 156,779 km (0.073 R)
• M2: 552,465 km (0.096 R)
• M3: 1,047,035 km (0.108 R)
• M4: 1,962,425 km (0.097 R)
• M5: 2,399,101 km (0.113 R)
• M6: 3,355,630 km (0.073 R)
• M7: 4,654,139 km (0.081 R)
• M8: 5,818,460 km (0.082 R)
• M9: 6,443,180 km (0.114 R)
• M10: 8,621,475 km (0.057 R)
• M11: 9,367,968 km (0.078 R)
• M12: 10,298,766 km (0.102 R)
• M13: 11,177,055 km (0.094 R)
• M14: 11,595,929 km (0.108 R)
• M15: 13,720,518 km (0.1 R)
• M16: 15,058,073 km (0.044 R)
• M17: 16,092,991 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.5

Radius: 12.6

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.11 AU - 4.63 AU

Year: 5164 Days

Day: 9.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,541,541 km

• M1: 156,629 km (0.091 R)
• M2: 593,006 km (0.105 R)
• M3: 1,133,653 km (0.089 R)
• M4: 1,961,378 km (0.101 R)
• M5: 2,656,709 km (0.117 R)
• M6: 3,249,715 km (0.107 R)
• M7: 3,929,786 km (0.06 R)
• M8: 4,586,521 km (0.118 R)
• M9: 5,039,503 km (0.094 R)
• M10: 7,904,901 km (0.063 R)
• M11: 10,212,448 km (0.111 R)
• M12: 10,822,060 km (0.075 R)
• M13: 11,498,990 km (0.098 R)
• M14: 13,031,471 km (0.114 R)
• M15: 18,148,316 km (0.116 R)
• M16: 19,533,293 km (0.073 R)
• M17: 20,793,805 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.1

Radius: 3.7

Gravity: 24.7 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.77 AU - 8.37 AU

Year: 12750 Days

Day: 23.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,541,541 km

• M1: 93,199 km (0.062 R)
• M2: 327,769 km (0.078 R)
• M3: 1,644,978 km (0.117 R)
• M4: 1,794,875 km (0.12 R)
• M5: 2,545,857 km (0.06 R)
• M6: 3,342,615 km (0.037 R)
• M7: 3,784,826 km (0.087 R)
• M8: 4,462,355 km (0.084 R)
• M9: 5,574,615 km (0.066 R)
• M10: 6,595,621 km (0.077 R)
• M11: 6,783,515 km (0.093 R)
• M12: 8,156,824 km (0.051 R)
• M13: 8,638,080 km (0.106 R)
• M14: 11,439,001 km (0.058 R)
• M15: 11,601,165 km (0.066 R)
• M16: 13,249,734 km (0.114 R)
• M17: 15,373,425 km (0.057 R)
• M18: 15,637,316 km (0.085 R)
• M19: 20,758,051 km (0.099 R)
• M20: 34,468,696 km (0.069 R)
• M21: 36,650,581 km (0.087 R)
• M22: 37,003,333 km (0.119 R)
• M23: 39,659,293 km (0.054 R)
• M24: 41,160,358 km (0.105 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 11,932 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit