🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.2

Radius: 11.4

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.46 AU - 0.6 AU

Year: 262 Days

Day: 11.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 11,146,673 km

• M1: 142,118 km (0.108 R)
• M2: 560,543 km (0.114 R)
• M3: 979,716 km (0.044 R)
• M4: 1,344,436 km (0.083 R)
• M5: 1,709,156 km (0.09 R)
• M6: 2,210,608 km (0.115 R)
• M7: 2,610,034 km (0.095 R)
• M8: 3,147,390 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.4

Radius: 12.2

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.58 AU - 0.6 AU

Year: 307 Days

Day: 7 Hours

Environment

Temp: -150 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 11,146,673 km

• M1: 151,692 km (0.079 R)
• M2: 531,222 km (0.034 R)
• M3: 1,038,508 km (0.087 R)
• M4: 1,588,430 km (0.092 R)
• M5: 2,372,173 km (0.11 R)
• M6: 2,893,672 km (0.091 R)
• M7: 3,365,354 km (0.096 R)
• M8: 3,789,015 km (0.092 R)
• M9: 4,933,887 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.5

Radius: 14.6

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.59 AU - 0.61 AU

Year: 315 Days

Day: 13.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 11,146,673 km

• M1: 181,612 km (0.095 R)
• M2: 662,120 km (0.119 R)
• M3: 1,225,356 km (0.088 R)
• M4: 1,797,269 km (0.109 R)
• M5: 2,338,215 km (0.115 R)
• M6: 3,014,846 km (0.086 R)
• M7: 3,540,084 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.1

Radius: 13.3

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.56 AU - 0.82 AU

Year: 389 Days

Day: 7 Hours

Environment

Temp: -149 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 11,146,673 km

• M1: 165,605 km (0.043 R)
• M2: 691,890 km (0.066 R)
• M3: 1,164,470 km (0.095 R)
• M4: 1,624,782 km (0.106 R)
• M5: 2,302,461 km (0.107 R)
• M6: 2,790,000 km (0.072 R)
• M7: 3,591,695 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.8

Radius: 12.7

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.87 AU - 1.25 AU

Year: 740 Days

Day: 9.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 11,146,673 km

• M1: 157,975 km (0.076 R)
• M2: 677,379 km (0.059 R)
• M3: 1,396,197 km (0.076 R)
• M4: 2,112,920 km (0.112 R)
• M5: 2,699,194 km (0.074 R)
• M6: 3,153,224 km (0.057 R)
• M7: 3,716,011 km (0.066 R)
• M8: 4,296,900 km (0.065 R)
• M9: 5,008,836 km (0.038 R)
• M10: 5,719,426 km (0.082 R)
• M11: 6,161,039 km (0.076 R)
• M12: 7,135,669 km (0.114 R)
• M13: 7,720,148 km (0.087 R)
• M14: 8,747,735 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.1

Radius: 13.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.11 AU - 1.53 AU

Year: 1029 Days

Day: 13.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 11,146,673 km

• M1: 171,589 km (0.092 R)
• M2: 720,613 km (0.082 R)
• M3: 1,475,185 km (0.046 R)
• M4: 1,969,007 km (0.058 R)
• M5: 2,657,008 km (0.113 R)
• M6: 3,375,676 km (0.096 R)
• M7: 4,352,849 km (0.084 R)
• M8: 5,355,753 km (0.105 R)
• M9: 5,794,374 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.3

Radius: 8.9

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.99 AU - 2.11 AU

Year: 1991 Days

Day: 7.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 11,146,673 km

• M1: 110,702 km (0.083 R)
• M2: 526,435 km (0.078 R)
• M3: 893,997 km (0.111 R)
• M4: 1,617,452 km (0.052 R)
• M5: 2,060,860 km (0.101 R)
• M6: 2,408,376 km (0.115 R)
• M7: 3,118,816 km (0.057 R)
• M8: 4,484,645 km (0.106 R)
• M9: 4,831,413 km (0.107 R)
• M10: 5,449,102 km (0.099 R)
• M11: 6,329,636 km (0.09 R)
• M12: 6,667,876 km (0.084 R)
• M13: 9,323,089 km (0.063 R)
• M14: 10,952,958 km (0.079 R)
• M15: 11,944,492 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66

Radius: 9.2

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.82 AU - 3.28 AU

Year: 3613 Days

Day: 11.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 11,146,673 km

• M1: 123,568 km (0.042 R)
• M2: 427,401 km (0.072 R)
• M3: 1,093,112 km (0.067 R)
• M4: 1,396,496 km (0.115 R)
• M5: 1,910,215 km (0.096 R)
• M6: 2,323,105 km (0.092 R)
• M7: 3,006,468 km (0.116 R)
• M8: 4,441,561 km (0.083 R)
• M9: 5,034,118 km (0.06 R)
• M10: 5,512,532 km (0.105 R)
• M11: 7,058,327 km (0.111 R)
• M12: 7,709,676 km (0.091 R)
• M13: 9,248,440 km (0.08 R)
• M14: 10,152,160 km (0.105 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 12,585 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit